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39
Platformio/include/README
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This directory is intended for project header files.
A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.
```src/main.c
#include "header.h"
int main (void)
{
...
}
```
Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.
In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.
Read more about using header files in official GCC documentation:
* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes
https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

1
Platformio/lib/ESP32-BLE-Keyboard/.piopm
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{"type": "library", "name": "ESP32 BLE Keyboard", "version": "0.3.2", "spec": {"owner": "t-vk", "id": 6749, "name": "ESP32 BLE Keyboard", "requirements": null, "uri": null}}

552
Platformio/lib/ESP32-BLE-Keyboard/BleKeyboard.cpp
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#include "BleKeyboard.h"
#if defined(USE_NIMBLE)
#include <NimBLEDevice.h>
#include <NimBLEServer.h>
#include <NimBLEUtils.h>
#include <NimBLEHIDDevice.h>
#else
#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEServer.h>
#include "BLE2902.h"
#include "BLEHIDDevice.h"
#endif // USE_NIMBLE
#include "HIDTypes.h"
#include <driver/adc.h>
#include "sdkconfig.h"
#if defined(CONFIG_ARDUHAL_ESP_LOG)
#include "esp32-hal-log.h"
#define LOG_TAG ""
#else
#include "esp_log.h"
static const char* LOG_TAG = "BLEDevice";
#endif
// Report IDs:
#define KEYBOARD_ID 0x01
#define MEDIA_KEYS_ID 0x02
static const uint8_t _hidReportDescriptor[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop Ctrls)
USAGE(1), 0x06, // USAGE (Keyboard)
COLLECTION(1), 0x01, // COLLECTION (Application)
// ------------------------------------------------- Keyboard
REPORT_ID(1), KEYBOARD_ID, // REPORT_ID (1)
USAGE_PAGE(1), 0x07, // USAGE_PAGE (Kbrd/Keypad)
USAGE_MINIMUM(1), 0xE0, // USAGE_MINIMUM (0xE0)
USAGE_MAXIMUM(1), 0xE7, // USAGE_MAXIMUM (0xE7)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // Logical Maximum (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
REPORT_COUNT(1), 0x01, // REPORT_COUNT (1) ; 1 byte (Reserved)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
HIDINPUT(1), 0x01, // INPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
REPORT_COUNT(1), 0x05, // REPORT_COUNT (5) ; 5 bits (Num lock, Caps lock, Scroll lock, Compose, Kana)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
USAGE_PAGE(1), 0x08, // USAGE_PAGE (LEDs)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (0x01) ; Num Lock
USAGE_MAXIMUM(1), 0x05, // USAGE_MAXIMUM (0x05) ; Kana
HIDOUTPUT(1), 0x02, // OUTPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
REPORT_COUNT(1), 0x01, // REPORT_COUNT (1) ; 3 bits (Padding)
REPORT_SIZE(1), 0x03, // REPORT_SIZE (3)
HIDOUTPUT(1), 0x01, // OUTPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6) ; 6 bytes (Keys)
REPORT_SIZE(1), 0x08, // REPORT_SIZE(8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM(0)
LOGICAL_MAXIMUM(1), 0x65, // LOGICAL_MAXIMUM(0x65) ; 101 keys
USAGE_PAGE(1), 0x07, // USAGE_PAGE (Kbrd/Keypad)
USAGE_MINIMUM(1), 0x00, // USAGE_MINIMUM (0)
USAGE_MAXIMUM(1), 0x65, // USAGE_MAXIMUM (0x65)
HIDINPUT(1), 0x00, // INPUT (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
END_COLLECTION(0), // END_COLLECTION
// ------------------------------------------------- Media Keys
USAGE_PAGE(1), 0x0C, // USAGE_PAGE (Consumer)
USAGE(1), 0x01, // USAGE (Consumer Control)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), MEDIA_KEYS_ID, // REPORT_ID (3)
USAGE_PAGE(1), 0x0C, // USAGE_PAGE (Consumer)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x10, // REPORT_COUNT (16)
USAGE(1), 0xB5, // USAGE (Scan Next Track) ; bit 0: 1
USAGE(1), 0xB6, // USAGE (Scan Previous Track) ; bit 1: 2
USAGE(1), 0xB7, // USAGE (Stop) ; bit 2: 4
USAGE(1), 0xCD, // USAGE (Play/Pause) ; bit 3: 8
USAGE(1), 0xE2, // USAGE (Mute) ; bit 4: 16
USAGE(1), 0xE9, // USAGE (Volume Increment) ; bit 5: 32
USAGE(1), 0xEA, // USAGE (Volume Decrement) ; bit 6: 64
USAGE(2), 0x23, 0x02, // Usage (WWW Home) ; bit 7: 128
USAGE(2), 0x94, 0x01, // Usage (My Computer) ; bit 0: 1
// original from BLE-Keyboard
// USAGE(2), 0x92, 0x01, // Usage (Calculator) ; bit 1: 2
// changed for usage in OMOTE
USAGE(1), 0xB3, // USAGE (Fast Forward); bit 1: 2
USAGE(2), 0x2A, 0x02, // Usage (WWW fav) ; bit 2: 4
USAGE(2), 0x21, 0x02, // Usage (WWW search) ; bit 3: 8
USAGE(2), 0x26, 0x02, // Usage (WWW stop) ; bit 4: 16
USAGE(2), 0x24, 0x02, // Usage (WWW back) ; bit 5: 32
USAGE(2), 0x83, 0x01, // Usage (Media sel) ; bit 6: 64
// original from BLE-Keyboard
// USAGE(2), 0x8A, 0x01, // Usage (Mail) ; bit 7: 128
// changed for usage in OMOTE
USAGE(1), 0xB4, // USAGE (Rewind) ; bit 7: 128
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
END_COLLECTION(0) // END_COLLECTION
};
BleKeyboard::BleKeyboard(std::string deviceName, std::string deviceManufacturer, uint8_t batteryLevel)
: hid(0)
, deviceName(std::string(deviceName).substr(0, 15))
, deviceManufacturer(std::string(deviceManufacturer).substr(0,15))
, batteryLevel(batteryLevel) {}
void BleKeyboard::begin(void)
{
BLEDevice::init(deviceName);
BLEServer* pServer = BLEDevice::createServer();
pServer->setCallbacks(this);
hid = new BLEHIDDevice(pServer);
inputKeyboard = hid->inputReport(KEYBOARD_ID); // <-- input REPORTID from report map
outputKeyboard = hid->outputReport(KEYBOARD_ID);
inputMediaKeys = hid->inputReport(MEDIA_KEYS_ID);
outputKeyboard->setCallbacks(this);
hid->manufacturer()->setValue(deviceManufacturer);
hid->pnp(0x02, vid, pid, version);
hid->hidInfo(0x00, 0x01);
#if defined(USE_NIMBLE)
BLEDevice::setSecurityAuth(true, true, true);
#else
BLESecurity* pSecurity = new BLESecurity();
pSecurity->setAuthenticationMode(ESP_LE_AUTH_REQ_SC_MITM_BOND);
#endif // USE_NIMBLE
hid->reportMap((uint8_t*)_hidReportDescriptor, sizeof(_hidReportDescriptor));
hid->startServices();
onStarted(pServer);
advertising = pServer->getAdvertising();
advertising->setAppearance(HID_KEYBOARD);
advertising->addServiceUUID(hid->hidService()->getUUID());
advertising->setScanResponse(false);
advertising->start();
hid->setBatteryLevel(batteryLevel);
ESP_LOGD(LOG_TAG, "Advertising started!");
}
void BleKeyboard::end(void)
{
}
bool BleKeyboard::isConnected(void) {
return this->connected;
}
void BleKeyboard::setBatteryLevel(uint8_t level) {
this->batteryLevel = level;
if (hid != 0)
this->hid->setBatteryLevel(this->batteryLevel);
}
//must be called before begin in order to set the name
void BleKeyboard::setName(std::string deviceName) {
this->deviceName = deviceName;
}
/**
* @brief Sets the waiting time (in milliseconds) between multiple keystrokes in NimBLE mode.
*
* @param ms Time in milliseconds
*/
void BleKeyboard::setDelay(uint32_t ms) {
this->_delay_ms = ms;
}
void BleKeyboard::set_vendor_id(uint16_t vid) {
this->vid = vid;
}
void BleKeyboard::set_product_id(uint16_t pid) {
this->pid = pid;
}
void BleKeyboard::set_version(uint16_t version) {
this->version = version;
}
void BleKeyboard::sendReport(KeyReport* keys)
{
if (this->isConnected())
{
this->inputKeyboard->setValue((uint8_t*)keys, sizeof(KeyReport));
this->inputKeyboard->notify();
#if defined(USE_NIMBLE)
// vTaskDelay(delayTicks);
this->delay_ms(_delay_ms);
#endif // USE_NIMBLE
}
}
void BleKeyboard::sendReport(MediaKeyReport* keys)
{
if (this->isConnected())
{
this->inputMediaKeys->setValue((uint8_t*)keys, sizeof(MediaKeyReport));
this->inputMediaKeys->notify();
#if defined(USE_NIMBLE)
//vTaskDelay(delayTicks);
this->delay_ms(_delay_ms);
#endif // USE_NIMBLE
}
}
extern
const uint8_t _asciimap[128] PROGMEM;
#define SHIFT 0x80
const uint8_t _asciimap[128] =
{
0x00, // NUL
0x00, // SOH
0x00, // STX
0x00, // ETX
0x00, // EOT
0x00, // ENQ
0x00, // ACK
0x00, // BEL
0x2a, // BS Backspace
0x2b, // TAB Tab
0x28, // LF Enter
0x00, // VT
0x00, // FF
0x00, // CR
0x00, // SO
0x00, // SI
0x00, // DEL
0x00, // DC1
0x00, // DC2
0x00, // DC3
0x00, // DC4
0x00, // NAK
0x00, // SYN
0x00, // ETB
0x00, // CAN
0x00, // EM
0x00, // SUB
0x00, // ESC
0x00, // FS
0x00, // GS
0x00, // RS
0x00, // US
0x2c, // ' '
0x1e|SHIFT, // !
0x34|SHIFT, // "
0x20|SHIFT, // #
0x21|SHIFT, // $
0x22|SHIFT, // %
0x24|SHIFT, // &
0x34, // '
0x26|SHIFT, // (
0x27|SHIFT, // )
0x25|SHIFT, // *
0x2e|SHIFT, // +
0x36, // ,
0x2d, // -
0x37, // .
0x38, // /
0x27, // 0
0x1e, // 1
0x1f, // 2
0x20, // 3
0x21, // 4
0x22, // 5
0x23, // 6
0x24, // 7
0x25, // 8
0x26, // 9
0x33|SHIFT, // :
0x33, // ;
0x36|SHIFT, // <
0x2e, // =
0x37|SHIFT, // >
0x38|SHIFT, // ?
0x1f|SHIFT, // @
0x04|SHIFT, // A
0x05|SHIFT, // B
0x06|SHIFT, // C
0x07|SHIFT, // D
0x08|SHIFT, // E
0x09|SHIFT, // F
0x0a|SHIFT, // G
0x0b|SHIFT, // H
0x0c|SHIFT, // I
0x0d|SHIFT, // J
0x0e|SHIFT, // K
0x0f|SHIFT, // L
0x10|SHIFT, // M
0x11|SHIFT, // N
0x12|SHIFT, // O
0x13|SHIFT, // P
0x14|SHIFT, // Q
0x15|SHIFT, // R
0x16|SHIFT, // S
0x17|SHIFT, // T
0x18|SHIFT, // U
0x19|SHIFT, // V
0x1a|SHIFT, // W
0x1b|SHIFT, // X
0x1c|SHIFT, // Y
0x1d|SHIFT, // Z
0x2f, // [
0x31, // bslash
0x30, // ]
0x23|SHIFT, // ^
0x2d|SHIFT, // _
0x35, // `
0x04, // a
0x05, // b
0x06, // c
0x07, // d
0x08, // e
0x09, // f
0x0a, // g
0x0b, // h
0x0c, // i
0x0d, // j
0x0e, // k
0x0f, // l
0x10, // m
0x11, // n
0x12, // o
0x13, // p
0x14, // q
0x15, // r
0x16, // s
0x17, // t
0x18, // u
0x19, // v
0x1a, // w
0x1b, // x
0x1c, // y
0x1d, // z
0x2f|SHIFT, // {
0x31|SHIFT, // |
0x30|SHIFT, // }
0x35|SHIFT, // ~
0 // DEL
};
uint8_t USBPutChar(uint8_t c);
// press() adds the specified key (printing, non-printing, or modifier)
// to the persistent key report and sends the report. Because of the way
// USB HID works, the host acts like the key remains pressed until we
// call release(), releaseAll(), or otherwise clear the report and resend.
size_t BleKeyboard::press(uint8_t k)
{
uint8_t i;
if (k >= 136) { // it's a non-printing key (not a modifier)
k = k - 136;
} else if (k >= 128) { // it's a modifier key
_keyReport.modifiers |= (1<<(k-128));
k = 0;
} else { // it's a printing key
k = pgm_read_byte(_asciimap + k);
if (!k) {
setWriteError();
return 0;
}
if (k & 0x80) { // it's a capital letter or other character reached with shift
_keyReport.modifiers |= 0x02; // the left shift modifier
k &= 0x7F;
}
}
// Add k to the key report only if it's not already present
// and if there is an empty slot.
if (_keyReport.keys[0] != k && _keyReport.keys[1] != k &&
_keyReport.keys[2] != k && _keyReport.keys[3] != k &&
_keyReport.keys[4] != k && _keyReport.keys[5] != k) {
for (i=0; i<6; i++) {
if (_keyReport.keys[i] == 0x00) {
_keyReport.keys[i] = k;
break;
}
}
if (i == 6) {
setWriteError();
return 0;
}
}
sendReport(&_keyReport);
return 1;
}
size_t BleKeyboard::press(const MediaKeyReport k)
{
uint16_t k_16 = k[1] | (k[0] << 8);
uint16_t mediaKeyReport_16 = _mediaKeyReport[1] | (_mediaKeyReport[0] << 8);
mediaKeyReport_16 |= k_16;
_mediaKeyReport[0] = (uint8_t)((mediaKeyReport_16 & 0xFF00) >> 8);
_mediaKeyReport[1] = (uint8_t)(mediaKeyReport_16 & 0x00FF);
sendReport(&_mediaKeyReport);
return 1;
}
// release() takes the specified key out of the persistent key report and
// sends the report. This tells the OS the key is no longer pressed and that
// it shouldn't be repeated any more.
size_t BleKeyboard::release(uint8_t k)
{
uint8_t i;
if (k >= 136) { // it's a non-printing key (not a modifier)
k = k - 136;
} else if (k >= 128) { // it's a modifier key
_keyReport.modifiers &= ~(1<<(k-128));
k = 0;
} else { // it's a printing key
k = pgm_read_byte(_asciimap + k);
if (!k) {
return 0;
}
if (k & 0x80) { // it's a capital letter or other character reached with shift
_keyReport.modifiers &= ~(0x02); // the left shift modifier
k &= 0x7F;
}
}
// Test the key report to see if k is present. Clear it if it exists.
// Check all positions in case the key is present more than once (which it shouldn't be)
for (i=0; i<6; i++) {
if (0 != k && _keyReport.keys[i] == k) {
_keyReport.keys[i] = 0x00;
}
}
sendReport(&_keyReport);
return 1;
}
size_t BleKeyboard::release(const MediaKeyReport k)
{
uint16_t k_16 = k[1] | (k[0] << 8);
uint16_t mediaKeyReport_16 = _mediaKeyReport[1] | (_mediaKeyReport[0] << 8);
mediaKeyReport_16 &= ~k_16;
_mediaKeyReport[0] = (uint8_t)((mediaKeyReport_16 & 0xFF00) >> 8);
_mediaKeyReport[1] = (uint8_t)(mediaKeyReport_16 & 0x00FF);
sendReport(&_mediaKeyReport);
return 1;
}
void BleKeyboard::releaseAll(void)
{
_keyReport.keys[0] = 0;
_keyReport.keys[1] = 0;
_keyReport.keys[2] = 0;
_keyReport.keys[3] = 0;
_keyReport.keys[4] = 0;
_keyReport.keys[5] = 0;
_keyReport.modifiers = 0;
_mediaKeyReport[0] = 0;
_mediaKeyReport[1] = 0;
sendReport(&_keyReport);
}
size_t BleKeyboard::write(uint8_t c)
{
uint8_t p = press(c); // Keydown
release(c); // Keyup
return p; // just return the result of press() since release() almost always returns 1
}
size_t BleKeyboard::write(const MediaKeyReport c)
{
uint16_t p = press(c); // Keydown
release(c); // Keyup
return p; // just return the result of press() since release() almost always returns 1
}
size_t BleKeyboard::write(const uint8_t *buffer, size_t size) {
size_t n = 0;
while (size--) {
if (*buffer != '\r') {
if (write(*buffer)) {
n++;
} else {
break;
}
}
buffer++;
}
return n;
}
void BleKeyboard::onConnect(BLEServer* pServer) {
this->connected = true;
#if !defined(USE_NIMBLE)
BLE2902* desc = (BLE2902*)this->inputKeyboard->getDescriptorByUUID(BLEUUID((uint16_t)0x2902));
desc->setNotifications(true);
desc = (BLE2902*)this->inputMediaKeys->getDescriptorByUUID(BLEUUID((uint16_t)0x2902));
desc->setNotifications(true);
#endif // !USE_NIMBLE
}
void BleKeyboard::onDisconnect(BLEServer* pServer) {
this->connected = false;
#if !defined(USE_NIMBLE)
BLE2902* desc = (BLE2902*)this->inputKeyboard->getDescriptorByUUID(BLEUUID((uint16_t)0x2902));
desc->setNotifications(false);
desc = (BLE2902*)this->inputMediaKeys->getDescriptorByUUID(BLEUUID((uint16_t)0x2902));
desc->setNotifications(false);
advertising->start();
#endif // !USE_NIMBLE
}
void BleKeyboard::onWrite(BLECharacteristic* me) {
uint8_t* value = (uint8_t*)(me->getValue().c_str());
(void)value;
ESP_LOGI(LOG_TAG, "special keys: %d", *value);
}
void BleKeyboard::delay_ms(uint64_t ms) {
uint64_t m = esp_timer_get_time();
if(ms){
uint64_t e = (m + (ms * 1000));
if(m > e){ //overflow
while(esp_timer_get_time() > e) { }
}
while(esp_timer_get_time() < e) {}
}
}

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Platformio/lib/ESP32-BLE-Keyboard/BleKeyboard.h
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// uncomment the following line to use NimBLE library
//#define USE_NIMBLE
#ifndef ESP32_BLE_KEYBOARD_H
#define ESP32_BLE_KEYBOARD_H
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#if defined(USE_NIMBLE)
#include "NimBLECharacteristic.h"
#include "NimBLEHIDDevice.h"
#define BLEDevice NimBLEDevice
#define BLEServerCallbacks NimBLEServerCallbacks
#define BLECharacteristicCallbacks NimBLECharacteristicCallbacks
#define BLEHIDDevice NimBLEHIDDevice
#define BLECharacteristic NimBLECharacteristic
#define BLEAdvertising NimBLEAdvertising
#define BLEServer NimBLEServer
#else
#include "BLEHIDDevice.h"
#include "BLECharacteristic.h"
#endif // USE_NIMBLE
#include "Print.h"
#define BLE_KEYBOARD_VERSION "0.0.4"
#define BLE_KEYBOARD_VERSION_MAJOR 0
#define BLE_KEYBOARD_VERSION_MINOR 0
#define BLE_KEYBOARD_VERSION_REVISION 4
const uint8_t KEY_LEFT_CTRL = 0x80;
const uint8_t KEY_LEFT_SHIFT = 0x81;
const uint8_t KEY_LEFT_ALT = 0x82;
const uint8_t KEY_LEFT_GUI = 0x83;
const uint8_t KEY_RIGHT_CTRL = 0x84;
const uint8_t KEY_RIGHT_SHIFT = 0x85;
const uint8_t KEY_RIGHT_ALT = 0x86;
const uint8_t KEY_RIGHT_GUI = 0x87;
const uint8_t KEY_UP_ARROW = 0xDA;
const uint8_t KEY_DOWN_ARROW = 0xD9;
const uint8_t KEY_LEFT_ARROW = 0xD8;
const uint8_t KEY_RIGHT_ARROW = 0xD7;
const uint8_t KEY_BACKSPACE = 0xB2;
const uint8_t KEY_TAB = 0xB3;
const uint8_t KEY_RETURN = 0xB0;
const uint8_t KEY_ESC = 0xB1;
const uint8_t KEY_INSERT = 0xD1;
const uint8_t KEY_PRTSC = 0xCE;
const uint8_t KEY_DELETE = 0xD4;
const uint8_t KEY_PAGE_UP = 0xD3;
const uint8_t KEY_PAGE_DOWN = 0xD6;
const uint8_t KEY_HOME = 0xD2;
const uint8_t KEY_END = 0xD5;
const uint8_t KEY_CAPS_LOCK = 0xC1;
const uint8_t KEY_F1 = 0xC2;
const uint8_t KEY_F2 = 0xC3;
const uint8_t KEY_F3 = 0xC4;
const uint8_t KEY_F4 = 0xC5;
const uint8_t KEY_F5 = 0xC6;
const uint8_t KEY_F6 = 0xC7;
const uint8_t KEY_F7 = 0xC8;
const uint8_t KEY_F8 = 0xC9;
const uint8_t KEY_F9 = 0xCA;
const uint8_t KEY_F10 = 0xCB;
const uint8_t KEY_F11 = 0xCC;
const uint8_t KEY_F12 = 0xCD;
const uint8_t KEY_F13 = 0xF0;
const uint8_t KEY_F14 = 0xF1;
const uint8_t KEY_F15 = 0xF2;
const uint8_t KEY_F16 = 0xF3;
const uint8_t KEY_F17 = 0xF4;
const uint8_t KEY_F18 = 0xF5;
const uint8_t KEY_F19 = 0xF6;
const uint8_t KEY_F20 = 0xF7;
const uint8_t KEY_F21 = 0xF8;
const uint8_t KEY_F22 = 0xF9;
const uint8_t KEY_F23 = 0xFA;
const uint8_t KEY_F24 = 0xFB;
const uint8_t KEY_NUM_0 = 0xEA;
const uint8_t KEY_NUM_1 = 0xE1;
const uint8_t KEY_NUM_2 = 0xE2;
const uint8_t KEY_NUM_3 = 0xE3;
const uint8_t KEY_NUM_4 = 0xE4;
const uint8_t KEY_NUM_5 = 0xE5;
const uint8_t KEY_NUM_6 = 0xE6;
const uint8_t KEY_NUM_7 = 0xE7;
const uint8_t KEY_NUM_8 = 0xE8;
const uint8_t KEY_NUM_9 = 0xE9;
const uint8_t KEY_NUM_SLASH = 0xDC;
const uint8_t KEY_NUM_ASTERISK = 0xDD;
const uint8_t KEY_NUM_MINUS = 0xDE;
const uint8_t KEY_NUM_PLUS = 0xDF;
const uint8_t KEY_NUM_ENTER = 0xE0;
const uint8_t KEY_NUM_PERIOD = 0xEB;
typedef uint8_t MediaKeyReport[2];
const MediaKeyReport KEY_MEDIA_NEXT_TRACK = {1, 0};
const MediaKeyReport KEY_MEDIA_PREVIOUS_TRACK = {2, 0};
const MediaKeyReport KEY_MEDIA_STOP = {4, 0};
const MediaKeyReport KEY_MEDIA_PLAY_PAUSE = {8, 0};
const MediaKeyReport KEY_MEDIA_MUTE = {16, 0};
const MediaKeyReport KEY_MEDIA_VOLUME_UP = {32, 0};
const MediaKeyReport KEY_MEDIA_VOLUME_DOWN = {64, 0};
const MediaKeyReport KEY_MEDIA_WWW_HOME = {128, 0};
const MediaKeyReport KEY_MEDIA_LOCAL_MACHINE_BROWSER = {0, 1}; // Opens "My Computer" on Windows
// original from BLE-Keyboard
// const MediaKeyReport KEY_MEDIA_CALCULATOR = {0, 2};
// changed for usage in OMOTE
const MediaKeyReport KEY_MEDIA_FASTFORWARD = {0, 2};
const MediaKeyReport KEY_MEDIA_WWW_BOOKMARKS = {0, 4};
const MediaKeyReport KEY_MEDIA_WWW_SEARCH = {0, 8};
const MediaKeyReport KEY_MEDIA_WWW_STOP = {0, 16};
const MediaKeyReport KEY_MEDIA_WWW_BACK = {0, 32};
const MediaKeyReport KEY_MEDIA_CONSUMER_CONTROL_CONFIGURATION = {0, 64}; // Media Selection
// original from BLE-Keyboard
// const MediaKeyReport KEY_MEDIA_EMAIL_READER = {0, 128};
// changed for usage in OMOTE
const MediaKeyReport KEY_MEDIA_REWIND = {0, 128};
// Low level key report: up to 6 keys and shift, ctrl etc at once
typedef struct
{
uint8_t modifiers;
uint8_t reserved;
uint8_t keys[6];
} KeyReport;
class BleKeyboard : public Print, public BLEServerCallbacks, public BLECharacteristicCallbacks
{
private:
BLEHIDDevice* hid;
BLECharacteristic* inputKeyboard;
BLECharacteristic* outputKeyboard;
BLECharacteristic* inputMediaKeys;
BLEAdvertising* advertising;
KeyReport _keyReport;
MediaKeyReport _mediaKeyReport;
std::string deviceName;
std::string deviceManufacturer;
uint8_t batteryLevel;
bool connected = false;
uint32_t _delay_ms = 7;
void delay_ms(uint64_t ms);
uint16_t vid = 0x05ac;
uint16_t pid = 0x820a;
uint16_t version = 0x0210;
public:
BleKeyboard(std::string deviceName = "ESP32 Keyboard", std::string deviceManufacturer = "Espressif", uint8_t batteryLevel = 100);
void begin(void);
void end(void);
void sendReport(KeyReport* keys);
void sendReport(MediaKeyReport* keys);
size_t press(uint8_t k);
size_t press(const MediaKeyReport k);
size_t release(uint8_t k);
size_t release(const MediaKeyReport k);
size_t write(uint8_t c);
size_t write(const MediaKeyReport c);
size_t write(const uint8_t *buffer, size_t size);
void releaseAll(void);
bool isConnected(void);
void setBatteryLevel(uint8_t level);
void setName(std::string deviceName);
void setDelay(uint32_t ms);
void set_vendor_id(uint16_t vid);
void set_product_id(uint16_t pid);
void set_version(uint16_t version);
protected:
virtual void onStarted(BLEServer *pServer) { };
virtual void onConnect(BLEServer* pServer) override;
virtual void onDisconnect(BLEServer* pServer) override;
virtual void onWrite(BLECharacteristic* me) override;
};
#endif // CONFIG_BT_ENABLED
#endif // ESP32_BLE_KEYBOARD_H

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@ -1,162 +0,0 @@
# ESP32 BLE Keyboard library
This library allows you to make the ESP32 act as a Bluetooth Keyboard and control what it does.
You might also be interested in:
- [ESP32-BLE-Mouse](https://github.com/T-vK/ESP32-BLE-Mouse)
- [ESP32-BLE-Gamepad](https://github.com/lemmingDev/ESP32-BLE-Gamepad)
## Features
- [x] Send key strokes
- [x] Send text
- [x] Press/release individual keys
- [x] Media keys are supported
- [ ] Read Numlock/Capslock/Scrolllock state
- [x] Set battery level (basically works, but doesn't show up in Android's status bar)
- [x] Compatible with Android
- [x] Compatible with Windows
- [x] Compatible with Linux
- [x] Compatible with MacOS X (not stable, some people have issues, doesn't work with old devices)
- [x] Compatible with iOS (not stable, some people have issues, doesn't work with old devices)
## Installation
- (Make sure you can use the ESP32 with the Arduino IDE. [Instructions can be found here.](https://github.com/espressif/arduino-esp32#installation-instructions))
- [Download the latest release of this library from the release page.](https://github.com/T-vK/ESP32-BLE-Keyboard/releases)
- In the Arduino IDE go to "Sketch" -> "Include Library" -> "Add .ZIP Library..." and select the file you just downloaded.
- You can now go to "File" -> "Examples" -> "ESP32 BLE Keyboard" and select any of the examples to get started.
## Example
``` C++
/**
* This example turns the ESP32 into a Bluetooth LE keyboard that writes the words, presses Enter, presses a media key and then Ctrl+Alt+Delete
*/
#include <BleKeyboard.h>
BleKeyboard bleKeyboard;
void setup() {
Serial.begin(115200);
Serial.println("Starting BLE work!");
bleKeyboard.begin();
}
void loop() {
if(bleKeyboard.isConnected()) {
Serial.println("Sending 'Hello world'...");
bleKeyboard.print("Hello world");
delay(1000);
Serial.println("Sending Enter key...");
bleKeyboard.write(KEY_RETURN);
delay(1000);
Serial.println("Sending Play/Pause media key...");
bleKeyboard.write(KEY_MEDIA_PLAY_PAUSE);
delay(1000);
//
// Below is an example of pressing multiple keyboard modifiers
// which by default is commented out.
//
/* Serial.println("Sending Ctrl+Alt+Delete...");
bleKeyboard.press(KEY_LEFT_CTRL);
bleKeyboard.press(KEY_LEFT_ALT);
bleKeyboard.press(KEY_DELETE);
delay(100);
bleKeyboard.releaseAll();
*/
}
Serial.println("Waiting 5 seconds...");
delay(5000);
}
```
## API docs
The BleKeyboard interface is almost identical to the Keyboard Interface, so you can use documentation right here:
https://www.arduino.cc/reference/en/language/functions/usb/keyboard/
Just remember that you have to use `bleKeyboard` instead of just `Keyboard` and you need these two lines at the top of your script:
```
#include <BleKeyboard.h>
BleKeyboard bleKeyboard;
```
In addition to that you can send media keys (which is not possible with the USB keyboard library). Supported are the following:
- KEY_MEDIA_NEXT_TRACK
- KEY_MEDIA_PREVIOUS_TRACK
- KEY_MEDIA_STOP
- KEY_MEDIA_PLAY_PAUSE
- KEY_MEDIA_MUTE
- KEY_MEDIA_VOLUME_UP
- KEY_MEDIA_VOLUME_DOWN
- KEY_MEDIA_WWW_HOME
- KEY_MEDIA_LOCAL_MACHINE_BROWSER // Opens "My Computer" on Windows
- KEY_MEDIA_CALCULATOR
- KEY_MEDIA_WWW_BOOKMARKS
- KEY_MEDIA_WWW_SEARCH
- KEY_MEDIA_WWW_STOP
- KEY_MEDIA_WWW_BACK
- KEY_MEDIA_CONSUMER_CONTROL_CONFIGURATION // Media Selection
- KEY_MEDIA_EMAIL_READER
There is also Bluetooth specific information that you can set (optional):
Instead of `BleKeyboard bleKeyboard;` you can do `BleKeyboard bleKeyboard("Bluetooth Device Name", "Bluetooth Device Manufacturer", 100);`. (Max lenght is 15 characters, anything beyond that will be truncated.)
The third parameter is the initial battery level of your device. To adjust the battery level later on you can simply call e.g. `bleKeyboard.setBatteryLevel(50)` (set battery level to 50%).
By default the battery level will be set to 100%, the device name will be `ESP32 Bluetooth Keyboard` and the manufacturer will be `Espressif`.
There is also a `setDelay` method to set a delay between each key event. E.g. `bleKeyboard.setDelay(10)` (10 milliseconds). The default is `8`.
This feature is meant to compensate for some applications and devices that can't handle fast input and will skip letters if too many keys are sent in a small time frame.
## NimBLE-Mode
The NimBLE mode enables a significant saving of RAM and FLASH memory.
### Comparison (SendKeyStrokes.ino at compile-time)
**Standard**
```
RAM: [= ] 9.3% (used 30548 bytes from 327680 bytes)
Flash: [======== ] 75.8% (used 994120 bytes from 1310720 bytes)
```
**NimBLE mode**
```
RAM: [= ] 8.3% (used 27180 bytes from 327680 bytes)
Flash: [==== ] 44.2% (used 579158 bytes from 1310720 bytes)
```
### Comparison (SendKeyStrokes.ino at run-time)
| | Standard | NimBLE mode | difference
|---|--:|--:|--:|
| `ESP.getHeapSize()` | 296.804 | 321.252 | **+ 24.448** |
| `ESP.getFreeHeap()` | 143.572 | 260.764 | **+ 117.192** |
| `ESP.getSketchSize()` | 994.224 | 579.264 | **- 414.960** |
## How to activate NimBLE mode?
### ArduinoIDE:
Uncomment the first line in BleKeyboard.h
```C++
#define USE_NIMBLE
```
### PlatformIO:
Change your `platformio.ini` to the following settings
```ini
lib_deps =
NimBLE-Arduino
build_flags =
-D USE_NIMBLE
```
## Credits
Credits to [chegewara](https://github.com/chegewara) and [the authors of the USB keyboard library](https://github.com/arduino-libraries/Keyboard/) as this project is heavily based on their work!
Also, credits to [duke2421](https://github.com/T-vK/ESP32-BLE-Keyboard/issues/1) who helped a lot with testing, debugging and fixing the device descriptor!
And credits to [sivar2311](https://github.com/sivar2311) for adding NimBLE support, greatly reducing the memory footprint, fixing advertising issues and for adding the `setDelay` method.

46
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@ -1,46 +0,0 @@
/**
* This example turns the ESP32 into a Bluetooth LE keyboard that writes the words, presses Enter, presses a media key and then Ctrl+Alt+Delete
*/
#include <BleKeyboard.h>
BleKeyboard bleKeyboard;
void setup() {
Serial.begin(115200);
Serial.println("Starting BLE work!");
bleKeyboard.begin();
}
void loop() {
if(bleKeyboard.isConnected()) {
Serial.println("Sending 'Hello world'...");
bleKeyboard.print("Hello world");
delay(1000);
Serial.println("Sending Enter key...");
bleKeyboard.write(KEY_RETURN);
delay(1000);
Serial.println("Sending Play/Pause media key...");
bleKeyboard.write(KEY_MEDIA_PLAY_PAUSE);
delay(1000);
//
// Below is an example of pressing multiple keyboard modifiers
// which by default is commented out.
/*
Serial.println("Sending Ctrl+Alt+Delete...");
bleKeyboard.press(KEY_LEFT_CTRL);
bleKeyboard.press(KEY_LEFT_ALT);
bleKeyboard.press(KEY_DELETE);
delay(100);
bleKeyboard.releaseAll();
*/
}
Serial.println("Waiting 5 seconds...");
delay(5000);
}

24
Platformio/lib/ESP32-BLE-Keyboard/keywords.txt
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@ -1,24 +0,0 @@
#######################################
# Syntax Coloring Map For ESP32 BLE Keyboard
#######################################
# Class
#######################################
BleKeyboard KEYWORD1
#######################################
# Methods and Functions
#######################################
begin KEYWORD2
end KEYWORD2
write KEYWORD2
press KEYWORD2
release KEYWORD2
releaseAll KEYWORD2
setBatteryLevel KEYWORD2
isConnected KEYWORD2
#######################################
# Constants
#######################################

9
Platformio/lib/ESP32-BLE-Keyboard/library.properties
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@ -1,9 +0,0 @@
name=ESP32 BLE Keyboard
version=0.3.2
author=T-vK
maintainer=T-vK
sentence=Bluetooth LE Keyboard library for the ESP32.
paragraph=Bluetooth LE Keyboard library for the ESP32.
category=Communication
url=https://github.com/T-vK/ESP32-BLE-Keyboard
architectures=esp32

675
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@ -1,675 +0,0 @@
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Also add information on how to contact you by electronic and paper mail.
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notice like this when it starts in an interactive mode:
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This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
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9
Platformio/lib/Keypad/README.md
View file

@ -1,9 +0,0 @@
## Keypad library for Arduino
**Authors:** *Mark Stanley***,** *Alexander Brevig*
This repository is a copy of the code found here [[Arduino Playground]](http://playground.arduino.cc/Code/Keypad).
The source and file structure has been modified to conform to the newer `1.5r2` library specification and is not compatible with legacy IDE's.
For these IDE's, visit the link above to grab the pre `1.0` compatible version, or download it directly here: [[pre `1.0` version]](http://playground.arduino.cc/uploads/Code/keypad.zip).

37
Platformio/lib/Keypad/examples/CustomKeypad/CustomKeypad.ino
View file

@ -1,37 +0,0 @@
/* @file CustomKeypad.pde
|| @version 1.0
|| @author Alexander Brevig
|| @contact alexanderbrevig@gmail.com
||
|| @description
|| | Demonstrates changing the keypad size and key values.
|| #
*/
#include <Keypad.h>
const byte ROWS = 4; //four rows
const byte COLS = 4; //four columns
//define the cymbols on the buttons of the keypads
char hexaKeys[ROWS][COLS] = {
{'0','1','2','3'},
{'4','5','6','7'},
{'8','9','A','B'},
{'C','D','E','F'}
};
byte rowPins[ROWS] = {3, 2, 1, 0}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {7, 6, 5, 4}; //connect to the column pinouts of the keypad
//initialize an instance of class NewKeypad
Keypad customKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);
void setup(){
Serial.begin(9600);
}
void loop(){
char customKey = customKeypad.getKey();
if (customKey){
Serial.println(customKey);
}
}

213
Platformio/lib/Keypad/examples/DynamicKeypad/DynamicKeypad.ino
View file

@ -1,213 +0,0 @@
/* @file DynamicKeypad.pde
|| @version 1.2
|| @author Mark Stanley
|| @contact mstanley@technologist.com
||
|| 07/11/12 - Re-modified (from DynamicKeypadJoe2) to use direct-connect kpds
|| 02/28/12 - Modified to use I2C i/o G. D. (Joe) Young
||
||
|| @dificulty: Intermediate
||
|| @description
|| | This is a demonstration of keypadEvents. It's used to switch between keymaps
|| | while using only one keypad. The main concepts being demonstrated are:
|| |
|| | Using the keypad events, PRESSED, HOLD and RELEASED to simplify coding.
|| | How to use setHoldTime() and why.
|| | Making more than one thing happen with the same key.
|| | Assigning and changing keymaps on the fly.
|| |
|| | Another useful feature is also included with this demonstration although
|| | it's not really one of the concepts that I wanted to show you. If you look
|| | at the code in the PRESSED event you will see that the first section of that
|| | code is used to scroll through three different letters on each key. For
|| | example, pressing the '2' key will step through the letters 'd', 'e' and 'f'.
|| |
|| |
|| | Using the keypad events, PRESSED, HOLD and RELEASED to simplify coding
|| | Very simply, the PRESSED event occurs imediately upon detecting a pressed
|| | key and will not happen again until after a RELEASED event. When the HOLD
|| | event fires it always falls between PRESSED and RELEASED. However, it will
|| | only occur if a key has been pressed for longer than the setHoldTime() interval.
|| |
|| | How to use setHoldTime() and why
|| | Take a look at keypad.setHoldTime(500) in the code. It is used to set the
|| | time delay between a PRESSED event and the start of a HOLD event. The value
|| | 500 is in milliseconds (mS) and is equivalent to half a second. After pressing
|| | a key for 500mS the HOLD event will fire and any code contained therein will be
|| | executed. This event will stay active for as long as you hold the key except
|| | in the case of bug #1 listed above.
|| |
|| | Making more than one thing happen with the same key.
|| | If you look under the PRESSED event (case PRESSED:) you will see that the '#'
|| | is used to print a new line, Serial.println(). But take a look at the first
|| | half of the HOLD event and you will see the same key being used to switch back
|| | and forth between the letter and number keymaps that were created with alphaKeys[4][5]
|| | and numberKeys[4][5] respectively.
|| |
|| | Assigning and changing keymaps on the fly
|| | You will see that the '#' key has been designated to perform two different functions
|| | depending on how long you hold it down. If you press the '#' key for less than the
|| | setHoldTime() then it will print a new line. However, if you hold if for longer
|| | than that it will switch back and forth between numbers and letters. You can see the
|| | keymap changes in the HOLD event.
|| |
|| |
|| | In addition...
|| | You might notice a couple of things that you won't find in the Arduino language
|| | reference. The first would be #include <ctype.h>. This is a standard library from
|| | the C programming language and though I don't normally demonstrate these types of
|| | things from outside the Arduino language reference I felt that its use here was
|| | justified by the simplicity that it brings to this sketch.
|| | That simplicity is provided by the two calls to isalpha(key) and isdigit(key).
|| | The first one is used to decide if the key that was pressed is any letter from a-z
|| | or A-Z and the second one decides if the key is any number from 0-9. The return
|| | value from these two functions is either a zero or some positive number greater
|| | than zero. This makes it very simple to test a key and see if it is a number or
|| | a letter. So when you see the following:
|| |
|| | if (isalpha(key)) // this tests to see if your key was a letter
|| |
|| | And the following may be more familiar to some but it is equivalent:
|| |
|| | if (isalpha(key) != 0) // this tests to see if your key was a letter
|| |
|| | And Finally...
|| | To better understand how the event handler affects your code you will need to remember
|| | that it gets called only when you press, hold or release a key. However, once a key
|| | is pressed or held then the event handler gets called at the full speed of the loop().
|| |
|| #
*/
#include <Keypad.h>
#include <ctype.h>
const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
// Define the keymaps. The blank spot (lower left) is the space character.
char alphaKeys[ROWS][COLS] = {
{ 'a','d','g' },
{ 'j','m','p' },
{ 's','v','y' },
{ ' ','.','#' }
};
char numberKeys[ROWS][COLS] = {
{ '1','2','3' },
{ '4','5','6' },
{ '7','8','9' },
{ ' ','0','#' }
};
boolean alpha = false; // Start with the numeric keypad.
byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the keypad
// Create two new keypads, one is a number pad and the other is a letter pad.
Keypad numpad( makeKeymap(numberKeys), rowPins, colPins, sizeof(rowPins), sizeof(colPins) );
Keypad ltrpad( makeKeymap(alphaKeys), rowPins, colPins, sizeof(rowPins), sizeof(colPins) );
unsigned long startTime;
const byte ledPin = 13; // Use the LED on pin 13.
void setup() {
Serial.begin(9600);
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW); // Turns the LED on.
ltrpad.begin( makeKeymap(alphaKeys) );
numpad.begin( makeKeymap(numberKeys) );
ltrpad.addEventListener(keypadEvent_ltr); // Add an event listener.
ltrpad.setHoldTime(500); // Default is 1000mS
numpad.addEventListener(keypadEvent_num); // Add an event listener.
numpad.setHoldTime(500); // Default is 1000mS
}
char key;
void loop() {
if( alpha )
key = ltrpad.getKey( );
else
key = numpad.getKey( );
if (alpha && millis()-startTime>100) { // Flash the LED if we are using the letter keymap.
digitalWrite(ledPin,!digitalRead(ledPin));
startTime = millis();
}
}
static char virtKey = NO_KEY; // Stores the last virtual key press. (Alpha keys only)
static char physKey = NO_KEY; // Stores the last physical key press. (Alpha keys only)
static char buildStr[12];
static byte buildCount;
static byte pressCount;
static byte kpadState;
// Take care of some special events.
void keypadEvent_ltr(KeypadEvent key) {
// in here when in alpha mode.
kpadState = ltrpad.getState( );
swOnState( key );
} // end ltrs keypad events
void keypadEvent_num( KeypadEvent key ) {
// in here when using number keypad
kpadState = numpad.getState( );
swOnState( key );
} // end numbers keypad events
void swOnState( char key ) {
switch( kpadState ) {
case PRESSED:
if (isalpha(key)) { // This is a letter key so we're using the letter keymap.
if (physKey != key) { // New key so start with the first of 3 characters.
pressCount = 0;
virtKey = key;
physKey = key;
}
else { // Pressed the same key again...
virtKey++; // so select the next character on that key.
pressCount++; // Tracks how many times we press the same key.
}
if (pressCount > 2) { // Last character reached so cycle back to start.
pressCount = 0;
virtKey = key;
}
Serial.print(virtKey); // Used for testing.
}
if (isdigit(key) || key == ' ' || key == '.')
Serial.print(key);
if (key == '#')
Serial.println();
break;
case HOLD:
if (key == '#') { // Toggle between keymaps.
if (alpha == true) { // We are currently using a keymap with letters
alpha = false; // Now we want a keymap with numbers.
digitalWrite(ledPin, LOW);
}
else { // We are currently using a keymap with numbers
alpha = true; // Now we want a keymap with letters.
}
}
else { // Some key other than '#' was pressed.
buildStr[buildCount++] = (isalpha(key)) ? virtKey : key;
buildStr[buildCount] = '\0';
Serial.println();
Serial.println(buildStr);
}
break;
case RELEASED:
if (buildCount >= sizeof(buildStr)) buildCount = 0; // Our string is full. Start fresh.
break;
} // end switch-case
}// end switch on state function

73
Platformio/lib/Keypad/examples/EventKeypad/EventKeypad.ino
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@ -1,73 +0,0 @@
/* @file EventSerialKeypad.pde
|| @version 1.0
|| @author Alexander Brevig
|| @contact alexanderbrevig@gmail.com
||
|| @description
|| | Demonstrates using the KeypadEvent.
|| #
*/
#include <Keypad.h>
const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'*','0','#'}
};
byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
byte ledPin = 13;
boolean blink = false;
boolean ledPin_state;
void setup(){
Serial.begin(9600);
pinMode(ledPin, OUTPUT); // Sets the digital pin as output.
digitalWrite(ledPin, HIGH); // Turn the LED on.
ledPin_state = digitalRead(ledPin); // Store initial LED state. HIGH when LED is on.
keypad.addEventListener(keypadEvent); // Add an event listener for this keypad
}
void loop(){
char key = keypad.getKey();
if (key) {
Serial.println(key);
}
if (blink){
digitalWrite(ledPin,!digitalRead(ledPin)); // Change the ledPin from Hi2Lo or Lo2Hi.
delay(100);
}
}
// Taking care of some special events.
void keypadEvent(KeypadEvent key){
switch (keypad.getState()){
case PRESSED:
if (key == '#') {
digitalWrite(ledPin,!digitalRead(ledPin));
ledPin_state = digitalRead(ledPin); // Remember LED state, lit or unlit.
}
break;
case RELEASED:
if (key == '*') {
digitalWrite(ledPin,ledPin_state); // Restore LED state from before it started blinking.
blink = false;
}
break;
case HOLD:
if (key == '*') {
blink = true; // Blink the LED when holding the * key.
}
break;
}
}

35
Platformio/lib/Keypad/examples/HelloKeypad/HelloKeypad.ino
View file

@ -1,35 +0,0 @@
/* @file HelloKeypad.pde
|| @version 1.0
|| @author Alexander Brevig
|| @contact alexanderbrevig@gmail.com
||
|| @description
|| | Demonstrates the simplest use of the matrix Keypad library.
|| #
*/
#include <Keypad.h>
const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'*','0','#'}
};
byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
void setup(){
Serial.begin(9600);
}
void loop(){
char key = keypad.getKey();
if (key){
Serial.println(key);
}
}

68
Platformio/lib/Keypad/examples/HelloKeypad3/HelloKeypad3.ino
View file

@ -1,68 +0,0 @@
#include <Keypad.h>
const byte ROWS = 2; // use 4X4 keypad for both instances
const byte COLS = 2;
char keys[ROWS][COLS] = {
{'1','2'},
{'3','4'}
};
byte rowPins[ROWS] = {5, 4}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {7, 6}; //connect to the column pinouts of the keypad
Keypad kpd( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
const byte ROWSR = 2;
const byte COLSR = 2;
char keysR[ROWSR][COLSR] = {
{'a','b'},
{'c','d'}
};
byte rowPinsR[ROWSR] = {3, 2}; //connect to the row pinouts of the keypad
byte colPinsR[COLSR] = {7, 6}; //connect to the column pinouts of the keypad
Keypad kpdR( makeKeymap(keysR), rowPinsR, colPinsR, ROWSR, COLSR );
const byte ROWSUR = 4;
const byte COLSUR = 1;
char keysUR[ROWSUR][COLSUR] = {
{'M'},
{'A'},
{'R'},
{'K'}
};
// Digitran keypad, bit numbers of PCF8574 i/o port
byte rowPinsUR[ROWSUR] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
byte colPinsUR[COLSUR] = {8}; //connect to the column pinouts of the keypad
Keypad kpdUR( makeKeymap(keysUR), rowPinsUR, colPinsUR, ROWSUR, COLSUR );
void setup(){
// Wire.begin( );
kpdUR.begin( makeKeymap(keysUR) );
kpdR.begin( makeKeymap(keysR) );
kpd.begin( makeKeymap(keys) );
Serial.begin(9600);
Serial.println( "start" );
}
//byte alternate = false;
char key, keyR, keyUR;
void loop(){
// alternate = !alternate;
key = kpd.getKey( );
keyUR = kpdUR.getKey( );
keyR = kpdR.getKey( );
if (key){
Serial.println(key);
}
if( keyR ) {
Serial.println( keyR );
}
if( keyUR ) {
Serial.println( keyUR );
}
}

78
Platformio/lib/Keypad/examples/MultiKey/MultiKey.ino
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@ -1,78 +0,0 @@
/* @file MultiKey.ino
|| @version 1.0
|| @author Mark Stanley
|| @contact mstanley@technologist.com
||
|| @description
|| | The latest version, 3.0, of the keypad library supports up to 10
|| | active keys all being pressed at the same time. This sketch is an
|| | example of how you can get multiple key presses from a keypad or
|| | keyboard.
|| #
*/
#include <Keypad.h>
const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'*','0','#'}
};
byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the kpd
byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the kpd
Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
unsigned long loopCount;
unsigned long startTime;
String msg;
void setup() {
Serial.begin(9600);
loopCount = 0;
startTime = millis();
msg = "";
}
void loop() {
loopCount++;
if ( (millis()-startTime)>5000 ) {
Serial.print("Average loops per second = ");
Serial.println(loopCount/5);
startTime = millis();
loopCount = 0;
}
// Fills kpd.key[ ] array with up-to 10 active keys.
// Returns true if there are ANY active keys.
if (kpd.getKeys())
{
for (int i=0; i<LIST_MAX; i++) // Scan the whole key list.
{
if ( kpd.key[i].stateChanged ) // Only find keys that have changed state.
{
switch (kpd.key[i].kstate) { // Report active key state : IDLE, PRESSED, HOLD, or RELEASED
case PRESSED:
msg = " PRESSED.";
break;
case HOLD:
msg = " HOLD.";
break;
case RELEASED:
msg = " RELEASED.";
break;
case IDLE:
msg = " IDLE.";
}
Serial.print("Key ");
Serial.print(kpd.key[i].kchar);
Serial.println(msg);
}
}
}
} // End loop

46
Platformio/lib/Keypad/examples/loopCounter/loopCounter.ino
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@ -1,46 +0,0 @@
#include <Keypad.h>
const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'*','0','#'}
};
byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {8, 7, 6}; //connect to the column pinouts of the keypad
Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
unsigned long loopCount = 0;
unsigned long timer_ms = 0;
void setup(){
Serial.begin(9600);
// Try playing with different debounceTime settings to see how it affects
// the number of times per second your loop will run. The library prevents
// setting it to anything below 1 millisecond.
kpd.setDebounceTime(10); // setDebounceTime(mS)
}
void loop(){
char key = kpd.getKey();
// Report the number of times through the loop in 1 second. This will give
// you a relative idea of just how much the debounceTime has changed the
// speed of your code. If you set a high debounceTime your loopCount will
// look good but your keypresses will start to feel sluggish.
if ((millis() - timer_ms) > 1000) {
Serial.print("Your loop code ran ");
Serial.print(loopCount);
Serial.println(" times over the last second");
loopCount = 0;
timer_ms = millis();
}
loopCount++;
if(key)
Serial.println(key);
}

38
Platformio/lib/Keypad/keywords.txt
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@ -1,38 +0,0 @@
# Keypad Library data types
KeyState KEYWORD1
Keypad KEYWORD1
KeypadEvent KEYWORD1
# Keypad Library constants
NO_KEY LITERAL1
IDLE LITERAL1
PRESSED LITERAL1
HOLD LITERAL1
RELEASED LITERAL1
# Keypad Library methods & functions
addEventListener KEYWORD2
bitMap KEYWORD2
findKeyInList KEYWORD2
getKey KEYWORD2
getKeys KEYWORD2
getState KEYWORD2
holdTimer KEYWORD2
isPressed KEYWORD2
keyStateChanged KEYWORD2
numKeys KEYWORD2
pin_mode KEYWORD2
pin_write KEYWORD2
pin_read KEYWORD2
setDebounceTime KEYWORD2
setHoldTime KEYWORD2
waitForKey KEYWORD2
# this is a macro that converts 2d arrays to pointers
makeKeymap KEYWORD2
# List of objects created in the example sketches.
kpd KEYWORD3
keypad KEYWORD3
kbrd KEYWORD3
keyboard KEYWORD3

9
Platformio/lib/Keypad/library.properties
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@ -1,9 +0,0 @@
name=Keypad
version=3.1.1
author=Mark Stanley, Alexander Brevig
maintainer=Community https://github.com/Chris--A/Keypad
sentence=Keypad is a library for using matrix style keypads with the Arduino.
paragraph=As of version 3.0 it now supports mulitple keypresses. This library is based upon the Keypad Tutorial. It was created to promote Hardware Abstraction. It improves readability of the code by hiding the pinMode and digitalRead calls for the user.
category=Device Control
url=http://playground.arduino.cc/Code/Keypad
architectures=*

61
Platformio/lib/Keypad/src/Key.cpp
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@ -1,61 +0,0 @@
/*
|| @file Key.cpp
|| @version 1.0
|| @author Mark Stanley
|| @contact mstanley@technologist.com
||
|| @description
|| | Key class provides an abstract definition of a key or button
|| | and was initially designed to be used in conjunction with a
|| | state-machine.
|| #
||
|| @license
|| | This library is free software; you can redistribute it and/or
|| | modify it under the terms of the GNU Lesser General Public
|| | License as published by the Free Software Foundation; version
|| | 2.1 of the License.
|| |
|| | This library is distributed in the hope that it will be useful,
|| | but WITHOUT ANY WARRANTY; without even the implied warranty of
|| | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|| | Lesser General Public License for more details.
|| |
|| | You should have received a copy of the GNU Lesser General Public
|| | License along with this library; if not, write to the Free Software
|| | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|| #
||
*/
#include <Key.h>
// default constructor
Key::Key() {
kchar = NO_KEY;
kstate = IDLE;
stateChanged = false;
}
// constructor
Key::Key(char userKeyChar) {
kchar = userKeyChar;
kcode = -1;
kstate = IDLE;
stateChanged = false;
}
void Key::key_update (char userKeyChar, KeyState userState, boolean userStatus) {
kchar = userKeyChar;
kstate = userState;
stateChanged = userStatus;
}
/*
|| @changelog
|| | 1.0 2012-06-04 - Mark Stanley : Initial Release
|| #
*/

68
Platformio/lib/Keypad/src/Key.h
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@ -1,68 +0,0 @@
/*
||
|| @file Key.h
|| @version 1.0
|| @author Mark Stanley
|| @contact mstanley@technologist.com
||
|| @description
|| | Key class provides an abstract definition of a key or button
|| | and was initially designed to be used in conjunction with a
|| | state-machine.
|| #
||
|| @license
|| | This library is free software; you can redistribute it and/or
|| | modify it under the terms of the GNU Lesser General Public
|| | License as published by the Free Software Foundation; version
|| | 2.1 of the License.
|| |
|| | This library is distributed in the hope that it will be useful,
|| | but WITHOUT ANY WARRANTY; without even the implied warranty of
|| | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|| | Lesser General Public License for more details.
|| |
|| | You should have received a copy of the GNU Lesser General Public
|| | License along with this library; if not, write to the Free Software
|| | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|| #
||
*/
#ifndef Keypadlib_KEY_H_
#define Keypadlib_KEY_H_
#include <Arduino.h>
#define OPEN LOW
#define CLOSED HIGH
typedef unsigned int uint;
typedef enum{ IDLE, PRESSED, HOLD, RELEASED } KeyState;
const char NO_KEY = '\0';
class Key {
public:
// members
char kchar;
int kcode;
KeyState kstate;
boolean stateChanged;
// methods
Key();
Key(char userKeyChar);
void key_update(char userKeyChar, KeyState userState, boolean userStatus);
private:
};
#endif
/*
|| @changelog
|| | 1.0 2012-06-04 - Mark Stanley : Initial Release
|| #
*/

306
Platformio/lib/Keypad/src/Keypad.cpp
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@ -1,306 +0,0 @@
/*
||
|| @file Keypad.cpp
|| @version 3.1
|| @author Mark Stanley, Alexander Brevig
|| @contact mstanley@technologist.com, alexanderbrevig@gmail.com
||
|| @description
|| | This library provides a simple interface for using matrix
|| | keypads. It supports multiple keypresses while maintaining
|| | backwards compatibility with the old single key library.
|| | It also supports user selectable pins and definable keymaps.
|| #
||
|| @license
|| | This library is free software; you can redistribute it and/or
|| | modify it under the terms of the GNU Lesser General Public
|| | License as published by the Free Software Foundation; version
|| | 2.1 of the License.
|| |
|| | This library is distributed in the hope that it will be useful,
|| | but WITHOUT ANY WARRANTY; without even the implied warranty of
|| | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|| | Lesser General Public License for more details.
|| |
|| | You should have received a copy of the GNU Lesser General Public
|| | License along with this library; if not, write to the Free Software
|| | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|| #
||
*/
#include <Keypad.h>
// <<constructor>> Allows custom keymap, pin configuration, and keypad sizes.
Keypad::Keypad(char *userKeymap, byte *row, byte *col, byte numRows, byte numCols) {
rowPins = row;
columnPins = col;
sizeKpd.rows = numRows;
sizeKpd.columns = numCols;
begin(userKeymap);
setDebounceTime(10);
setHoldTime(500);
keypadEventListener = 0;
startTime = 0;
single_key = false;
}
// Let the user define a keymap - assume the same row/column count as defined in constructor
void Keypad::begin(char *userKeymap) {
keymap = userKeymap;
}
// Returns a single key only. Retained for backwards compatibility.
char Keypad::getKey() {
single_key = true;
if (getKeys() && key[0].stateChanged && (key[0].kstate==PRESSED))
return key[0].kchar;
single_key = false;
return NO_KEY;
}
// Populate the key list.
bool Keypad::getKeys() {
bool keyActivity = false;
// Limit how often the keypad is scanned. This makes the loop() run 10 times as fast.
if ( (millis()-startTime)>debounceTime ) {
scanKeys();
keyActivity = updateList();
startTime = millis();
}
return keyActivity;
}
// Private : Hardware scan
void Keypad::scanKeys() {
// Re-intialize the row pins. Allows sharing these pins with other hardware.
for (byte r=0; r<sizeKpd.rows; r++) {
// Logic needs to be inverted. This way the ESP32’s EXT1 wakeup can be used to detect if the accelerometer pin or any button pin goes high
// original from Keypad
// pin_mode(rowPins[r],INPUT_PULLUP);
// changed for usage in OMOTE
pin_mode(rowPins[r],INPUT);
}
// bitMap stores ALL the keys that are being pressed.
for (byte c=0; c<sizeKpd.columns; c++) {
pin_mode(columnPins[c],OUTPUT);
// original from Keypad
// pin_write(columnPins[c], LOW); // Begin column pulse output.
// changed for usage in OMOTE
pin_write(columnPins[c], HIGH); // Begin column pulse output.
for (byte r=0; r<sizeKpd.rows; r++) {
// original from Keypad
// bitWrite(bitMap[r], c, !pin_read(rowPins[r])); // keypress is active low so invert to high.
// changed for usage in OMOTE
bitWrite(bitMap[r], c, pin_read(rowPins[r])); // keypress is active low so invert to high.
}
// Set pin to high impedance input. Effectively ends column pulse.
// original from Keypad
// pin_write(columnPins[c],HIGH);
// changed for usage in OMOTE
pin_write(columnPins[c], LOW);
pin_mode(columnPins[c],INPUT);
}
}
// Manage the list without rearranging the keys. Returns true if any keys on the list changed state.
bool Keypad::updateList() {
bool anyActivity = false;
// Delete any IDLE keys
for (byte i=0; i<LIST_MAX; i++) {
if (key[i].kstate==IDLE) {
key[i].kchar = NO_KEY;
key[i].kcode = -1;
key[i].stateChanged = false;
}
}
// Add new keys to empty slots in the key list.
for (byte r=0; r<sizeKpd.rows; r++) {
for (byte c=0; c<sizeKpd.columns; c++) {
boolean button = bitRead(bitMap[r],c);
char keyChar = keymap[r * sizeKpd.columns + c];
int keyCode = r * sizeKpd.columns + c;
int idx = findInList (keyCode);
// Key is already on the list so set its next state.
if (idx > -1) {
nextKeyState(idx, button);
}
// Key is NOT on the list so add it.
if ((idx == -1) && button) {
for (byte i=0; i<LIST_MAX; i++) {
if (key[i].kchar==NO_KEY) { // Find an empty slot or don't add key to list.
key[i].kchar = keyChar;
key[i].kcode = keyCode;
key[i].kstate = IDLE; // Keys NOT on the list have an initial state of IDLE.
nextKeyState (i, button);
break; // Don't fill all the empty slots with the same key.
}
}
}
}
}
// Report if the user changed the state of any key.
for (byte i=0; i<LIST_MAX; i++) {
if (key[i].stateChanged) anyActivity = true;
}
return anyActivity;
}
// Private
// This function is a state machine but is also used for debouncing the keys.
void Keypad::nextKeyState(byte idx, boolean button) {
key[idx].stateChanged = false;
switch (key[idx].kstate) {
case IDLE:
if (button==CLOSED) {
transitionTo (idx, PRESSED);
holdTimer = millis(); } // Get ready for next HOLD state.
break;
case PRESSED:
if ((millis()-holdTimer)>holdTime) // Waiting for a key HOLD...
transitionTo (idx, HOLD);
else if (button==OPEN) // or for a key to be RELEASED.
transitionTo (idx, RELEASED);
break;
case HOLD:
if (button==OPEN)
transitionTo (idx, RELEASED);
break;
case RELEASED:
transitionTo (idx, IDLE);
break;
}
}
// New in 2.1
bool Keypad::isPressed(char keyChar) {
for (byte i=0; i<LIST_MAX; i++) {
if ( key[i].kchar == keyChar ) {
if ( (key[i].kstate == PRESSED) && key[i].stateChanged )
return true;
}
}
return false; // Not pressed.
}
// Search by character for a key in the list of active keys.
// Returns -1 if not found or the index into the list of active keys.
int Keypad::findInList (char keyChar) {
for (byte i=0; i<LIST_MAX; i++) {
if (key[i].kchar == keyChar) {
return i;
}
}
return -1;
}
// Search by code for a key in the list of active keys.
// Returns -1 if not found or the index into the list of active keys.
int Keypad::findInList (int keyCode) {
for (byte i=0; i<LIST_MAX; i++) {
if (key[i].kcode == keyCode) {
return i;
}
}
return -1;
}
// New in 2.0
char Keypad::waitForKey() {
char waitKey = NO_KEY;
while( (waitKey = getKey()) == NO_KEY ); // Block everything while waiting for a keypress.
return waitKey;
}
// Backwards compatibility function.
KeyState Keypad::getState() {
return key[0].kstate;
}
// The end user can test for any changes in state before deciding
// if any variables, etc. needs to be updated in their code.
bool Keypad::keyStateChanged() {
return key[0].stateChanged;
}
// The number of keys on the key list, key[LIST_MAX], equals the number
// of bytes in the key list divided by the number of bytes in a Key object.
byte Keypad::numKeys() {
return sizeof(key)/sizeof(Key);
}
// Minimum debounceTime is 1 mS. Any lower *will* slow down the loop().
void Keypad::setDebounceTime(uint debounce) {
debounce<1 ? debounceTime=1 : debounceTime=debounce;
}
void Keypad::setHoldTime(uint hold) {
holdTime = hold;
}
void Keypad::addEventListener(void (*listener)(char)){
keypadEventListener = listener;
}
void Keypad::transitionTo(byte idx, KeyState nextState) {
key[idx].kstate = nextState;
key[idx].stateChanged = true;
// Sketch used the getKey() function.
// Calls keypadEventListener only when the first key in slot 0 changes state.
if (single_key) {
if ( (keypadEventListener!=NULL) && (idx==0) ) {
keypadEventListener(key[0].kchar);
}
}
// Sketch used the getKeys() function.
// Calls keypadEventListener on any key that changes state.
else {
if (keypadEventListener!=NULL) {
keypadEventListener(key[idx].kchar);
}
}
}
/*
|| @changelog
|| | 3.1 2013-01-15 - Mark Stanley : Fixed missing RELEASED & IDLE status when using a single key.
|| | 3.0 2012-07-12 - Mark Stanley : Made library multi-keypress by default. (Backwards compatible)
|| | 3.0 2012-07-12 - Mark Stanley : Modified pin functions to support Keypad_I2C
|| | 3.0 2012-07-12 - Stanley & Young : Removed static variables. Fix for multiple keypad objects.
|| | 3.0 2012-07-12 - Mark Stanley : Fixed bug that caused shorted pins when pressing multiple keys.
|| | 2.0 2011-12-29 - Mark Stanley : Added waitForKey().
|| | 2.0 2011-12-23 - Mark Stanley : Added the public function keyStateChanged().
|| | 2.0 2011-12-23 - Mark Stanley : Added the private function scanKeys().
|| | 2.0 2011-12-23 - Mark Stanley : Moved the Finite State Machine into the function getKeyState().
|| | 2.0 2011-12-23 - Mark Stanley : Removed the member variable lastUdate. Not needed after rewrite.
|| | 1.8 2011-11-21 - Mark Stanley : Added decision logic to compile WProgram.h or Arduino.h
|| | 1.8 2009-07-08 - Alexander Brevig : No longer uses arrays
|| | 1.7 2009-06-18 - Alexander Brevig : Every time a state changes the keypadEventListener will trigger, if set.
|| | 1.7 2009-06-18 - Alexander Brevig : Added setDebounceTime. setHoldTime specifies the amount of
|| | microseconds before a HOLD state triggers
|| | 1.7 2009-06-18 - Alexander Brevig : Added transitionTo
|| | 1.6 2009-06-15 - Alexander Brevig : Added getState() and state variable
|| | 1.5 2009-05-19 - Alexander Brevig : Added setHoldTime()
|| | 1.4 2009-05-15 - Alexander Brevig : Added addEventListener
|| | 1.3 2009-05-12 - Alexander Brevig : Added lastUdate, in order to do simple debouncing
|| | 1.2 2009-05-09 - Alexander Brevig : Changed getKey()
|| | 1.1 2009-04-28 - Alexander Brevig : Modified API, and made variables private
|| | 1.0 2007-XX-XX - Mark Stanley : Initial Release
|| #
*/

149
Platformio/lib/Keypad/src/Keypad.h
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@ -1,149 +0,0 @@
/*
||
|| @file Keypad.h
|| @version 3.1
|| @author Mark Stanley, Alexander Brevig
|| @contact mstanley@technologist.com, alexanderbrevig@gmail.com
||
|| @description
|| | This library provides a simple interface for using matrix
|| | keypads. It supports multiple keypresses while maintaining
|| | backwards compatibility with the old single key library.
|| | It also supports user selectable pins and definable keymaps.
|| #
||
|| @license
|| | This library is free software; you can redistribute it and/or
|| | modify it under the terms of the GNU Lesser General Public
|| | License as published by the Free Software Foundation; version
|| | 2.1 of the License.
|| |
|| | This library is distributed in the hope that it will be useful,
|| | but WITHOUT ANY WARRANTY; without even the implied warranty of
|| | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|| | Lesser General Public License for more details.
|| |
|| | You should have received a copy of the GNU Lesser General Public
|| | License along with this library; if not, write to the Free Software
|| | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|| #
||
*/
#ifndef KEYPAD_H
#define KEYPAD_H
#include "Key.h"
// bperrybap - Thanks for a well reasoned argument and the following macro(s).
// See http://arduino.cc/forum/index.php/topic,142041.msg1069480.html#msg1069480
#ifndef INPUT_PULLUP
#warning "Using pinMode() INPUT_PULLUP AVR emulation"
#define INPUT_PULLUP 0x2
#define pinMode(_pin, _mode) _mypinMode(_pin, _mode)
#define _mypinMode(_pin, _mode) \
do { \
if(_mode == INPUT_PULLUP) \
pinMode(_pin, INPUT); \
digitalWrite(_pin, 1); \
if(_mode != INPUT_PULLUP) \
pinMode(_pin, _mode); \
}while(0)
#endif
#define OPEN LOW
#define CLOSED HIGH
typedef char KeypadEvent;
typedef unsigned int uint;
typedef unsigned long ulong;
// Made changes according to this post http://arduino.cc/forum/index.php?topic=58337.0
// by Nick Gammon. Thanks for the input Nick. It actually saved 78 bytes for me. :)
typedef struct {
byte rows;
byte columns;
} KeypadSize;
#define LIST_MAX 10 // Max number of keys on the active list.
#define MAPSIZE 10 // MAPSIZE is the number of rows (times 16 columns)
#define makeKeymap(x) ((char*)x)
//class Keypad : public Key, public HAL_obj {
class Keypad : public Key {
public:
Keypad(char *userKeymap, byte *row, byte *col, byte numRows, byte numCols);
virtual void pin_mode(byte pinNum, byte mode) { pinMode(pinNum, mode); }
virtual void pin_write(byte pinNum, boolean level) { digitalWrite(pinNum, level); }
virtual int pin_read(byte pinNum) { return digitalRead(pinNum); }
uint bitMap[MAPSIZE]; // 10 row x 16 column array of bits. Except Due which has 32 columns.
Key key[LIST_MAX];
unsigned long holdTimer;
char getKey();
bool getKeys();
KeyState getState();
void begin(char *userKeymap);
bool isPressed(char keyChar);
void setDebounceTime(uint);
void setHoldTime(uint);
void addEventListener(void (*listener)(char));
int findInList(char keyChar);
int findInList(int keyCode);
char waitForKey();
bool keyStateChanged();
byte numKeys();
private:
unsigned long startTime;
char *keymap;
byte *rowPins;
byte *columnPins;
KeypadSize sizeKpd;
uint debounceTime;
uint holdTime;
bool single_key;
void scanKeys();
bool updateList();
void nextKeyState(byte n, boolean button);
void transitionTo(byte n, KeyState nextState);
void (*keypadEventListener)(char);
};
#endif
/*
|| @changelog
|| | 3.1 2013-01-15 - Mark Stanley : Fixed missing RELEASED & IDLE status when using a single key.
|| | 3.0 2012-07-12 - Mark Stanley : Made library multi-keypress by default. (Backwards compatible)
|| | 3.0 2012-07-12 - Mark Stanley : Modified pin functions to support Keypad_I2C
|| | 3.0 2012-07-12 - Stanley & Young : Removed static variables. Fix for multiple keypad objects.
|| | 3.0 2012-07-12 - Mark Stanley : Fixed bug that caused shorted pins when pressing multiple keys.
|| | 2.0 2011-12-29 - Mark Stanley : Added waitForKey().
|| | 2.0 2011-12-23 - Mark Stanley : Added the public function keyStateChanged().
|| | 2.0 2011-12-23 - Mark Stanley : Added the private function scanKeys().
|| | 2.0 2011-12-23 - Mark Stanley : Moved the Finite State Machine into the function getKeyState().
|| | 2.0 2011-12-23 - Mark Stanley : Removed the member variable lastUdate. Not needed after rewrite.
|| | 1.8 2011-11-21 - Mark Stanley : Added test to determine which header file to compile,
|| | WProgram.h or Arduino.h.
|| | 1.8 2009-07-08 - Alexander Brevig : No longer uses arrays
|| | 1.7 2009-06-18 - Alexander Brevig : This library is a Finite State Machine every time a state changes
|| | the keypadEventListener will trigger, if set
|| | 1.7 2009-06-18 - Alexander Brevig : Added setDebounceTime setHoldTime specifies the amount of
|| | microseconds before a HOLD state triggers
|| | 1.7 2009-06-18 - Alexander Brevig : Added transitionTo
|| | 1.6 2009-06-15 - Alexander Brevig : Added getState() and state variable
|| | 1.5 2009-05-19 - Alexander Brevig : Added setHoldTime()
|| | 1.4 2009-05-15 - Alexander Brevig : Added addEventListener
|| | 1.3 2009-05-12 - Alexander Brevig : Added lastUdate, in order to do simple debouncing
|| | 1.2 2009-05-09 - Alexander Brevig : Changed getKey()
|| | 1.1 2009-04-28 - Alexander Brevig : Modified API, and made variables private
|| | 1.0 2007-XX-XX - Mark Stanley : Initial Release
|| #
*/

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Platformio/lib/README
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@ -1,46 +0,0 @@
This directory is intended for project specific (private) libraries.
PlatformIO will compile them to static libraries and link into executable file.
The source code of each library should be placed in a an own separate directory
("lib/your_library_name/[here are source files]").
For example, see a structure of the following two libraries `Foo` and `Bar`:
|--lib
| |
| |--Bar
| | |--docs
| | |--examples
| | |--src
| | |- Bar.c
| | |- Bar.h
| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
| |
| |--Foo
| | |- Foo.c
| | |- Foo.h
| |
| |- README --> THIS FILE
|
|- platformio.ini
|--src
|- main.c
and a contents of `src/main.c`:
```
#include <Foo.h>
#include <Bar.h>
int main (void)
{
...
}
```
PlatformIO Library Dependency Finder will find automatically dependent
libraries scanning project source files.
More information about PlatformIO Library Dependency Finder
- https://docs.platformio.org/page/librarymanager/ldf.html

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This directory is intended for PlatformIO Test Runner and project tests.
Unit Testing is a software testing method by which individual units of
source code, sets of one or more MCU program modules together with associated
control data, usage procedures, and operating procedures, are tested to
determine whether they are fit for use. Unit testing finds problems early
in the development cycle.
More information about PlatformIO Unit Testing:
- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html