523 lines
16 KiB
C++
523 lines
16 KiB
C++
#include "HardwareRevX.hpp"
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#include "driver/ledc.h"
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std::shared_ptr<HardwareRevX> HardwareRevX::mInstance = nullptr;
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void HardwareRevX::initIO() {
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// Button Pin Definition
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pinMode(SW_1, OUTPUT);
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pinMode(SW_2, OUTPUT);
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pinMode(SW_3, OUTPUT);
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pinMode(SW_4, OUTPUT);
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pinMode(SW_5, OUTPUT);
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pinMode(SW_A, INPUT);
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pinMode(SW_B, INPUT);
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pinMode(SW_C, INPUT);
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pinMode(SW_D, INPUT);
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pinMode(SW_E, INPUT);
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// Power Pin Definition
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pinMode(CRG_STAT, INPUT_PULLUP);
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pinMode(ADC_BAT, INPUT);
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// IR Pin Definition
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pinMode(IR_RX, INPUT);
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pinMode(IR_LED, OUTPUT);
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pinMode(IR_VCC, OUTPUT);
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digitalWrite(IR_LED, HIGH); // HIGH off - LOW on
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digitalWrite(IR_VCC, LOW); // HIGH on - LOW off
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// LCD Pin Definition
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pinMode(LCD_EN, OUTPUT);
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digitalWrite(LCD_EN, HIGH);
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pinMode(LCD_BL, OUTPUT);
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digitalWrite(LCD_BL, HIGH);
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// Other Pin Definition
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pinMode(ACC_INT, INPUT);
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pinMode(USER_LED, OUTPUT);
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digitalWrite(USER_LED, LOW);
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// Release GPIO hold in case we are coming out of standby
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gpio_hold_dis((gpio_num_t)SW_1);
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gpio_hold_dis((gpio_num_t)SW_2);
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gpio_hold_dis((gpio_num_t)SW_3);
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gpio_hold_dis((gpio_num_t)SW_4);
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gpio_hold_dis((gpio_num_t)SW_5);
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gpio_hold_dis((gpio_num_t)LCD_EN);
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gpio_hold_dis((gpio_num_t)LCD_BL);
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gpio_deep_sleep_hold_dis();
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}
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HardwareRevX::WakeReason getWakeReason() {
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// Find out wakeup cause
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if (esp_sleep_get_wakeup_cause() == ESP_SLEEP_WAKEUP_EXT1) {
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if (log(esp_sleep_get_ext1_wakeup_status()) / log(2) == 13)
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return HardwareRevX::WakeReason::IMU;
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else
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return HardwareRevX::WakeReason::KEYPAD;
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} else {
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return HardwareRevX::WakeReason::RESET;
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}
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}
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void HardwareRevX::init() {
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// Make sure ESP32 is running at full speed
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setCpuFrequencyMhz(240);
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wakeup_reason = getWakeReason();
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initIO();
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setupBacklight();
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Serial.begin(115200);
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restorePreferences();
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slowDisplayWakeup();
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setupTFT();
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setupTouchScreen();
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initLVGL();
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setupWifi();
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setupIMU();
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setupIR();
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debugPrint(std::string("Finished Hardware Setup in %d", millis()));
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}
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void HardwareRevX::debugPrint(std::string aDebugMessage) {
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Serial.print(aDebugMessage.c_str());
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}
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void HardwareRevX::sendIR() {}
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void HardwareRevX::MQTTPublish(const char *topic, const char *payload) {
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#ifdef ENABLE_WIFI
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if (client.connected()) {
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client.publish(topic, payload);
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} else {
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debugPrint("MQTT Client Not Connected When Attempting Publish.");
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}
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#else
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debugPrint("Attempting To Publish MQTT with wifi Disabled!");
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#endif
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}
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HardwareInterface::batteryStatus HardwareRevX::getBatteryPercentage() {
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return battery;
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}
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void HardwareRevX::initLVGL() {
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lv_init();
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lv_disp_draw_buf_init(&mdraw_buf, mbufA, mbufB,
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SCREEN_WIDTH * SCREEN_HEIGHT / 10);
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// Initialize the display driver
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static lv_disp_drv_t disp_drv;
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lv_disp_drv_init(&disp_drv);
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disp_drv.hor_res = SCREEN_WIDTH;
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disp_drv.ver_res = SCREEN_HEIGHT;
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disp_drv.flush_cb = &HardwareRevX::displayFlushImpl;
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disp_drv.draw_buf = &mdraw_buf;
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lv_disp_drv_register(&disp_drv);
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// Initialize the touchscreen driver
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static lv_indev_drv_t indev_drv;
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lv_indev_drv_init(&indev_drv);
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.read_cb = &HardwareRevX::touchPadReadImpl;
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lv_indev_drv_register(&indev_drv);
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}
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void HardwareRevX::handleDisplayFlush(lv_disp_drv_t *disp,
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const lv_area_t *area,
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lv_color_t *color_p) {
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uint32_t w = (area->x2 - area->x1 + 1);
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uint32_t h = (area->y2 - area->y1 + 1);
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tft.startWrite();
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tft.setAddrWindow(area->x1, area->y1, w, h);
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tft.pushPixelsDMA((uint16_t *)&color_p->full, w * h);
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tft.endWrite();
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lv_disp_flush_ready(disp);
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}
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void HardwareRevX::handleTouchPadRead(lv_indev_drv_t *indev_driver,
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lv_indev_data_t *data) {
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// int16_t touchX, touchY;
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touchPoint = touch.getPoint();
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int16_t touchX = touchPoint.x;
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int16_t touchY = touchPoint.y;
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bool touched = false;
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if ((touchX > 0) || (touchY > 0)) {
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touched = true;
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standbyTimer = SLEEP_TIMEOUT;
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}
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if (!touched) {
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data->state = LV_INDEV_STATE_REL;
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} else {
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data->state = LV_INDEV_STATE_PR;
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// Set the coordinates
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data->point.x = SCREEN_WIDTH - touchX;
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data->point.y = SCREEN_HEIGHT - touchY;
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// Serial.print( "touchpoint: x" );
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// Serial.print( touchX );
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// Serial.print( " y" );
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// Serial.println( touchY );
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// tft.drawFastHLine(0, screenHeight - touchY, screenWidth, TFT_RED);
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// tft.drawFastVLine(screenWidth - touchX, 0, screenHeight, TFT_RED);
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}
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}
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void HardwareRevX::activityDetection() {
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static int accXold;
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static int accYold;
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static int accZold;
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int accX = IMU.readFloatAccelX() * 1000;
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int accY = IMU.readFloatAccelY() * 1000;
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int accZ = IMU.readFloatAccelZ() * 1000;
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// determine motion value as da/dt
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motion = (abs(accXold - accX) + abs(accYold - accY) + abs(accZold - accZ));
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// Calculate time to standby
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standbyTimer -= 100;
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if (standbyTimer < 0)
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standbyTimer = 0;
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// If the motion exceeds the threshold, the standbyTimer is reset
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if (motion > MOTION_THRESHOLD)
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standbyTimer = SLEEP_TIMEOUT;
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// Store the current acceleration and time
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accXold = accX;
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accYold = accY;
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accZold = accZ;
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}
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void HardwareRevX::enterSleep() {
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// Save settings to internal flash memory
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preferences.putBool("wkpByIMU", wakeupByIMUEnabled);
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preferences.putUChar("blBrightness", backlight_brightness);
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preferences.putUChar("currentDevice", currentDevice);
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if (!preferences.getBool("alreadySetUp"))
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preferences.putBool("alreadySetUp", true);
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preferences.end();
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// Configure IMU
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uint8_t intDataRead;
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IMU.readRegister(&intDataRead, LIS3DH_INT1_SRC); // clear interrupt
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configIMUInterrupts();
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IMU.readRegister(&intDataRead,
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LIS3DH_INT1_SRC); // really clear interrupt
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#ifdef ENABLE_WIFI
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// Power down modem
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WiFi.disconnect();
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WiFi.mode(WIFI_OFF);
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#endif
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// Prepare IO states
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digitalWrite(LCD_DC, LOW); // LCD control signals off
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digitalWrite(LCD_CS, LOW);
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digitalWrite(LCD_MOSI, LOW);
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digitalWrite(LCD_SCK, LOW);
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digitalWrite(LCD_EN, HIGH); // LCD logic off
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digitalWrite(LCD_BL, HIGH); // LCD backlight off
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pinMode(CRG_STAT, INPUT); // Disable Pull-Up
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digitalWrite(IR_VCC, LOW); // IR Receiver off
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// Configure button matrix for ext1 interrupt
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pinMode(SW_1, OUTPUT);
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pinMode(SW_2, OUTPUT);
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pinMode(SW_3, OUTPUT);
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pinMode(SW_4, OUTPUT);
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pinMode(SW_5, OUTPUT);
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digitalWrite(SW_1, HIGH);
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digitalWrite(SW_2, HIGH);
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digitalWrite(SW_3, HIGH);
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digitalWrite(SW_4, HIGH);
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digitalWrite(SW_5, HIGH);
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gpio_hold_en((gpio_num_t)SW_1);
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gpio_hold_en((gpio_num_t)SW_2);
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gpio_hold_en((gpio_num_t)SW_3);
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gpio_hold_en((gpio_num_t)SW_4);
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gpio_hold_en((gpio_num_t)SW_5);
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// Force display pins to high impedance
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// Without this the display might not wake up from sleep
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pinMode(LCD_BL, INPUT);
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pinMode(LCD_EN, INPUT);
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gpio_hold_en((gpio_num_t)LCD_BL);
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gpio_hold_en((gpio_num_t)LCD_EN);
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gpio_deep_sleep_hold_en();
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esp_sleep_enable_ext1_wakeup(BUTTON_PIN_BITMASK, ESP_EXT1_WAKEUP_ANY_HIGH);
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delay(100);
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// Sleep
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esp_deep_sleep_start();
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}
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void HardwareRevX::configIMUInterrupts() {
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uint8_t dataToWrite = 0;
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// LIS3DH_INT1_CFG
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// dataToWrite |= 0x80;//AOI, 0 = OR 1 = AND
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// dataToWrite |= 0x40;//6D, 0 = interrupt source, 1 = 6 direction source
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// Set these to enable individual axes of generation source (or direction)
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// -- high and low are used generically
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dataToWrite |= 0x20; // Z high
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// dataToWrite |= 0x10;//Z low
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dataToWrite |= 0x08; // Y high
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// dataToWrite |= 0x04;//Y low
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dataToWrite |= 0x02; // X high
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// dataToWrite |= 0x01;//X low
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if (wakeupByIMUEnabled)
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IMU.writeRegister(LIS3DH_INT1_CFG, 0b00101010);
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else
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IMU.writeRegister(LIS3DH_INT1_CFG, 0b00000000);
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// LIS3DH_INT1_THS
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dataToWrite = 0;
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// Provide 7 bit value, 0x7F always equals max range by accelRange setting
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dataToWrite |= 0x45;
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IMU.writeRegister(LIS3DH_INT1_THS, dataToWrite);
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// LIS3DH_INT1_DURATION
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dataToWrite = 0;
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// minimum duration of the interrupt
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// LSB equals 1/(sample rate)
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dataToWrite |= 0x00; // 1 * 1/50 s = 20ms
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IMU.writeRegister(LIS3DH_INT1_DURATION, dataToWrite);
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// LIS3DH_CTRL_REG5
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// Int1 latch interrupt and 4D on int1 (preserve fifo en)
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IMU.readRegister(&dataToWrite, LIS3DH_CTRL_REG5);
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dataToWrite &= 0xF3; // Clear bits of interest
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dataToWrite |= 0x08; // Latch interrupt (Cleared by reading int1_src)
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// dataToWrite |= 0x04; //Pipe 4D detection from 6D recognition to int1?
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IMU.writeRegister(LIS3DH_CTRL_REG5, dataToWrite);
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// LIS3DH_CTRL_REG3
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// Choose source for pin 1
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dataToWrite = 0;
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// dataToWrite |= 0x80; //Click detect on pin 1
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dataToWrite |= 0x40; // AOI1 event (Generator 1 interrupt on pin 1)
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dataToWrite |= 0x20; // AOI2 event ()
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// dataToWrite |= 0x10; //Data ready
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// dataToWrite |= 0x04; //FIFO watermark
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// dataToWrite |= 0x02; //FIFO overrun
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IMU.writeRegister(LIS3DH_CTRL_REG3, dataToWrite);
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}
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void HardwareRevX::setupBacklight() {
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// Configure the backlight PWM
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// Manual setup because ledcSetup() briefly turns on the backlight
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ledc_channel_config_t ledc_channel_left;
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ledc_channel_left.gpio_num = (gpio_num_t)LCD_BL;
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ledc_channel_left.speed_mode = LEDC_HIGH_SPEED_MODE;
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ledc_channel_left.channel = LEDC_CHANNEL_5;
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ledc_channel_left.intr_type = LEDC_INTR_DISABLE;
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ledc_channel_left.timer_sel = LEDC_TIMER_1;
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ledc_channel_left.flags.output_invert = 1; // Can't do this with ledcSetup()
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ledc_channel_left.duty = 0;
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ledc_timer_config_t ledc_timer;
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ledc_timer.speed_mode = LEDC_HIGH_SPEED_MODE;
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ledc_timer.duty_resolution = LEDC_TIMER_8_BIT;
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ledc_timer.timer_num = LEDC_TIMER_1;
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ledc_timer.freq_hz = 640;
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ledc_channel_config(&ledc_channel_left);
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ledc_timer_config(&ledc_timer);
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}
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void HardwareRevX::restorePreferences() {
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// Restore settings from internal flash memory
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preferences.begin("settings", false);
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if (preferences.getBool("alreadySetUp")) {
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wakeupByIMUEnabled = preferences.getBool("wkpByIMU");
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backlight_brightness = preferences.getUChar("blBrightness");
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currentDevice = preferences.getUChar("currentDevice");
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}
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}
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void HardwareRevX::setupTFT() {
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// Setup TFT
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tft.init();
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tft.initDMA();
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tft.setRotation(0);
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tft.fillScreen(TFT_BLACK);
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tft.setSwapBytes(true);
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}
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void HardwareRevX::setupTouchScreen() {
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// Configure i2c pins and set frequency to 400kHz
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Wire.begin(SDA, SCL, 400000);
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touch.begin(128); // Initialize touchscreen and set sensitivity threshold
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}
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void HardwareRevX::setupIMU() {
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// Setup hal
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IMU.settings.accelSampleRate =
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50; // Hz. Can be: 0,1,10,25,50,100,200,400,1600,5000 Hz
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IMU.settings.accelRange = 2; // Max G force readable. Can be: 2, 4, 8, 16
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IMU.settings.adcEnabled = 0;
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IMU.settings.tempEnabled = 0;
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IMU.settings.xAccelEnabled = 1;
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IMU.settings.yAccelEnabled = 1;
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IMU.settings.zAccelEnabled = 1;
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IMU.begin();
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uint8_t intDataRead;
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IMU.readRegister(&intDataRead, LIS3DH_INT1_SRC); // clear interrupt
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}
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void HardwareRevX::slowDisplayWakeup() {
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// Slowly charge the VSW voltage to prevent a brownout
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// Workaround for hardware rev 1!
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for (int i = 0; i < 100; i++) {
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digitalWrite(LCD_EN, HIGH); // LCD Logic off
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delayMicroseconds(1);
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digitalWrite(LCD_EN, LOW); // LCD Logic on
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}
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delay(100); // Wait for the LCD driver to power on
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}
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void HardwareRevX::handleWifiEvent(WiFiEvent_t event) {
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#ifdef ENABLE_WIFI
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// Serial.printf("[WiFi-event] event: %d\n", event);
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if (event == ARDUINO_EVENT_WIFI_STA_GOT_IP) {
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client.setServer(MQTT_SERVER, 1883); // MQTT initialization
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client.connect("OMOTE"); // Connect using a client id
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}
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// Set status bar icon based on WiFi status
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// TODO allow UI to register a Handler for these events
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// if (event == ARDUINO_EVENT_WIFI_STA_GOT_IP ||
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// event == ARDUINO_EVENT_WIFI_STA_GOT_IP6) {
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// lv_label_set_text(WifiLabel, LV_SYMBOL_WIFI);
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// } else {
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// lv_label_set_text(WifiLabel, "");
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// }
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#endif
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}
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void HardwareRevX::setupIR() {
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// Setup IR
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IrSender.begin();
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digitalWrite(IR_VCC, HIGH); // Turn on IR receiver
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IrReceiver.enableIRIn(); // Start the receiver
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}
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void HardwareRevX::setupWifi() {
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#ifdef ENABLE_WIFI
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// Setup WiFi
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WiFi.setHostname("OMOTE"); // define hostname
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WiFi.onEvent(wiFiEventImpl);
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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WiFi.setSleep(true);
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#endif
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}
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void HardwareRevX::startTasks() {
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if (xTaskCreate(&HardwareRevX::updateBatteryTask, "Battery Percent Update",
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1024, nullptr, 5, &batteryUpdateTskHndl) != pdPASS) {
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debugPrint("ERROR Could not Create Battery Update Task!");
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}
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}
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void HardwareRevX::updateBatteryTask([[maybe_unused]] void *aData) {
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while (true) {
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mInstance->battery.voltage =
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analogRead(ADC_BAT) * 2 * 3300 / 4095 + 350; // 350mV ADC offset
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mInstance->battery.percentage =
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constrain(map(mInstance->battery.voltage, 3700, 4200, 0, 100), 0, 100);
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mInstance->battery.isCharging = !digitalRead(CRG_STAT);
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// Check if battery is charging, fully charged or disconnected
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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// Update battery at 1Hz
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}
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}
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void HardwareRevX::loopHandler() {
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// TODO Move the backlight handling into task that spawns when the backlight
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// setting changes and then gets deleted when the setting is achieved.
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// Update Backlight brightness
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static int fadeInTimer = millis(); // fadeInTimer = time after setup
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if (millis() <
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fadeInTimer + backlight_brightness) { // Fade in the backlight brightness
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ledcWrite(5, millis() - fadeInTimer);
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} else { // Dim Backlight before entering standby
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if (standbyTimer < 2000)
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ledcWrite(5, 85); // Backlight dim
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else
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ledcWrite(5, backlight_brightness); // Backlight on
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}
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// TODO move to debug task
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// Blink debug LED at 1 Hz
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digitalWrite(USER_LED, millis() % 1000 > 500);
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// Refresh IMU data at 10Hz
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static unsigned long IMUTaskTimer = millis();
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if (millis() - IMUTaskTimer >= 100) {
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activityDetection();
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if (standbyTimer == 0) {
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Serial.println("Entering Sleep Mode. Goodbye.");
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enterSleep();
|
|
}
|
|
IMUTaskTimer = millis();
|
|
}
|
|
|
|
// TODO Convert to free RTOS task
|
|
|
|
// TODO Create batter change notification for UI
|
|
|
|
// if (battery_ischarging || (!battery_ischarging && battery_voltage >
|
|
// 4350)) {
|
|
// lv_label_set_text(objBattPercentage, "");
|
|
// lv_label_set_text(objBattIcon, LV_SYMBOL_USB);
|
|
// } else {
|
|
// // Update status bar battery indicator
|
|
// // lv_label_set_text_fmt(objBattPercentage, "%d%%",
|
|
// battery_percentage); if (battery_percentage > 95)
|
|
// lv_label_set_text(objBattIcon, LV_SYMBOL_BATTERY_FULL);
|
|
// else if (battery_percentage > 75)
|
|
// lv_label_set_text(objBattIcon, LV_SYMBOL_BATTERY_3);
|
|
// else if (battery_percentage > 50)
|
|
// lv_label_set_text(objBattIcon, LV_SYMBOL_BATTERY_2);
|
|
// else if (battery_percentage > 25)
|
|
// lv_label_set_text(objBattIcon, LV_SYMBOL_BATTERY_1);
|
|
// else
|
|
// lv_label_set_text(objBattIcon, LV_SYMBOL_BATTERY_EMPTY);
|
|
// }
|
|
// }
|
|
|
|
// Keypad Handling
|
|
customKeypad.getKey(); // Populate key list
|
|
for (int i = 0; i < LIST_MAX;
|
|
i++) { // Handle multiple keys (Not really necessary in this case)
|
|
if (customKeypad.key[i].kstate == PRESSED ||
|
|
customKeypad.key[i].kstate == HOLD) {
|
|
standbyTimer =
|
|
SLEEP_TIMEOUT; // Reset the sleep timer when a button is pressed
|
|
int keyCode = customKeypad.key[i].kcode;
|
|
Serial.println(customKeypad.key[i].kchar);
|
|
// Send IR codes depending on the current device (tabview page)
|
|
if (currentDevice == 1) {
|
|
IrSender.sendRC5(IrSender.encodeRC5X(
|
|
0x00, keyMapTechnisat[keyCode / ROWS][keyCode % ROWS]));
|
|
} else if (currentDevice == 2) {
|
|
IrSender.sendSony((keyCode / ROWS) * (keyCode % ROWS), 15);
|
|
}
|
|
}
|
|
}
|
|
// IR Test
|
|
// tft.drawString("IR Command: ", 10, 90, 1);
|
|
// decode_results results;
|
|
// if (IrReceiver.decode(&results)) {
|
|
// IrReceiver.resume(); // Enable receiving of the next value
|
|
//} //tft.drawString(String(results.command) + " ", 80, 90, 1);
|
|
//
|
|
} |