migrate all barback BLE code to here, needs more work
This commit is contained in:
parent
e22fbbf02c
commit
a572217850
2 changed files with 380 additions and 8 deletions
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@ -2,6 +2,7 @@ set(REQUIRES
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app_update
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bootloader_support
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bt
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configulator
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esp_ringbuf
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)
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387
src/baros_ble.c
387
src/baros_ble.c
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@ -3,29 +3,400 @@
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "host/ble_hs.h"
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#include "nimble/nimble_port.h"
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#include "nimble/nimble_port_freertos.h"
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#include "services/gap/ble_svc_gap.h"
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#include "esp_bt.h"
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#include "esp_log.h"
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#include "esp_event_base.h"
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#include "baros.h"
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#include "baros_ble_ota.h"
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#include "configulator.h"
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#define TAG "BOS_BLE"
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ESP_EVENT_DEFINE_BASE(EVENT_BAROS_BLE);
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uint8_t baros_ble_init(baros_ble_cfg_t *cfg) {
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ESP_LOGV(TAG, "init");
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static uint8_t blehr_addr_type;
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static uint16_t conn_handle;
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static uint16_t ble_svc_handle;
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static uint16_t svc_handle_button;
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static uint16_t svc_handle_name;
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static const char *device_name = CONFIG_BARBACK_ID;
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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typedef struct {
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uint16_t conn_handle;
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} barback_ble_t;
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esp_err_t ret = esp_bt_controller_init(&bt_cfg);
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ESP_ERROR_CHECK(ret);
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static int ble_gap_event(struct ble_gap_event *event, void *arg);
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static int svc_access_name(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg);
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static int svc_access_system(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg);
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ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
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ESP_ERROR_CHECK(ret);
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static int barback_ble_char_access(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg);
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baros_ble_ota_init();
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static const struct ble_gatt_svc_def service_defs[] = {
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{
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.type = BLE_GATT_SVC_TYPE_PRIMARY,
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.uuid = BLE_UUID16_DECLARE(BAROS_BLE_SERVICE_BARBACK),
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.characteristics = (struct ble_gatt_chr_def[]) {
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{
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.uuid = BLE_UUID16_DECLARE(BAROS_CHAR_POUR),
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.access_cb = svc_access_system,
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.val_handle = &ble_svc_handle,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ
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}, {
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.uuid = BLE_UUID16_DECLARE(BAROS_CHAR_BUTTON),
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.access_cb = svc_access_system,
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.val_handle = &svc_handle_button,
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.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY
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}, {
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.uuid = BLE_UUID16_DECLARE(BAROS_CHAR_NAME),
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.access_cb = svc_access_name,
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.val_handle = &svc_handle_name,
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.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_NOTIFY
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},
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{ 0 }
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}
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},
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{ 0 } // no more services
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};
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static int gatt_svr_chr_write(struct os_mbuf *om, uint16_t min_len, uint16_t max_len, void *dst, uint16_t *len) {
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uint16_t om_len;
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int rc;
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om_len = OS_MBUF_PKTLEN(om);
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ESP_LOGI(TAG, "om_len: %d", om_len);
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if (om_len < min_len || om_len > max_len) {
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return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN;
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}
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rc = ble_hs_mbuf_to_flat(om, dst, max_len, len);
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if (rc != 0) {
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return BLE_ATT_ERR_UNLIKELY;
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}
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return 0;
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}
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static void ble_advertise(void) {
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// check if already adverting
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if(ble_gap_adv_active()) return;
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struct ble_gap_adv_params adv_params;
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struct ble_hs_adv_fields fields;
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int rc;
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/*
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* Set the advertisement data included in our advertisements:
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* o Flags (indicates advertisement type and other general info)
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* o Advertising tx power
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* o Device name
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*/
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memset(&fields, 0, sizeof(fields));
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/*
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* Advertise two flags:
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* o Discoverability in forthcoming advertisement (general)
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* o BLE-only (BR/EDR unsupported)
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*/
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fields.flags = BLE_HS_ADV_F_DISC_GEN |
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BLE_HS_ADV_F_BREDR_UNSUP;
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/*
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* Indicate that the TX power level field should be included; have the
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* stack fill this value automatically. This is done by assigning the
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* special value BLE_HS_ADV_TX_PWR_LVL_AUTO.
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*/
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fields.tx_pwr_lvl_is_present = 1;
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fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO;
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fields.name = (uint8_t *)device_name;
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fields.name_len = strlen(device_name);
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fields.name_is_complete = 1;
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rc = ble_gap_adv_set_fields(&fields);
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if (rc != 0) {
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ESP_LOGE(TAG, "error setting advertisement data; rc=%d\n", rc);
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return;
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}
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/* Begin advertising */
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memset(&adv_params, 0, sizeof(adv_params));
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adv_params.conn_mode = BLE_GAP_CONN_MODE_UND;
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adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN;
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rc = ble_gap_adv_start(blehr_addr_type, NULL, BLE_HS_FOREVER,
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&adv_params, ble_gap_event, NULL);
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if (rc != 0) {
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ESP_LOGE(TAG, "error enabling advertisement; rc=%d\n", rc);
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return;
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}
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}
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static int svc_access_system(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
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uint16_t uuid16 = ble_uuid_u16(ctxt->chr->uuid);
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uint8_t value = 0;
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uint16_t vlen = 0;
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ESP_LOGI(TAG, "0x%02X access: %d", uuid16, ctxt->op);
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if(ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR) {
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} else if(ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
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}
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return 0;
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}
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static int barback_ble_char_access(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
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uint16_t chr_uuid = ble_uuid_u16(ctxt->chr->uuid);
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// match the UUID against 0b111
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uint8_t idx = (chr_uuid & 0x07) - 1;
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uint8_t value = 0;
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ESP_LOGI(TAG, "conn_handle: %d attr_handle: %d char: 0x%02X op: %s", conn_handle, attr_handle, chr_uuid, (ctxt->op == 0 ? "read" : ctxt->op == 1 ? "write" : "unknown"));
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if(ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
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gatt_svr_chr_write(
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ctxt->om,
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sizeof value,
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sizeof value,
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&value, NULL
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);
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struct ble_gap_conn_desc notifiee;
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// TODO
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// this could needs to be verified, it might actually be needed
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// NiBLE could be passing notifications itself on chr_handler changes
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for (uint16_t i = 0; i < CONFIG_NIMBLE_MAX_CONNECTIONS; i++) {
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if(ble_gap_conn_find(i, ¬ifiee) == ESP_OK) {
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ble_gattc_notify_custom(i, attr_handle, ctxt->om);
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}
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}
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} else if(ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR) {
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}
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return 0;
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}
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static int svc_access_name(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
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uint16_t uuid16 = ble_uuid_u16(ctxt->chr->uuid);
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char *name = malloc(32);
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bzero(name, 32);
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uint16_t len;
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if(ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR) {
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} else if(ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
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esp_err_t err = gatt_svr_chr_write(
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ctxt->om,
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0,
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32,
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name,
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NULL
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);
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err = ble_svc_gap_device_name_set(name);
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ESP_LOGI(TAG, "configulator: %p", configulator);
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cfglr_element_t *name_handle = cfglr_get_element(configulator, "device_name");
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memcpy(name_handle->data, name, name_handle->datatype_size);
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//name_handle->data[name_handle->datatype_size - 1] = '\0';
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cfglr_commit(name_handle);
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}
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//ESP_LOGI(TAG, "read: %d", len);
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ESP_LOGI(TAG, "name: %s", name);
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return 0;
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}
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static int ble_gap_event(struct ble_gap_event *event, void *arg) {
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switch (event->type) {
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case BLE_GAP_EVENT_DISC: {
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struct ble_hs_adv_fields fields;
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ESP_ERROR_CHECK(ble_hs_adv_parse_fields(&fields, event->disc.data, event->disc.length_data));
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if(fields.name != NULL) {
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char *name = (char*)malloc(fields.name_len);
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memcpy(name, (uint8_t*)fields.name, fields.name_len);
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name[fields.name_len] = '\0';
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ESP_LOGI(TAG, "DISCOVERY: %s", name);
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if(strstr(name, "BARBACK") != NULL) {
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ESP_LOGI(TAG, "Let's Party!");
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uint8_t addr_type;
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ble_gap_disc_cancel();
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ESP_ERROR_CHECK(ble_hs_id_infer_auto(0, &addr_type));
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ESP_ERROR_CHECK(ble_gap_connect(addr_type, &event->disc.addr, 30000, NULL, ble_gap_event, NULL));
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}
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}
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return 0;
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}
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case BLE_GAP_EVENT_CONNECT:
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/* A new connection was established or a connection attempt failed */
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conn_handle = event->connect.conn_handle;
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ESP_LOGI(TAG, "connection %s; conn_handle: %d status=%d\n",
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event->connect.status == 0 ? "established" : "failed",
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conn_handle,
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event->connect.status
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);
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// always keep advertising
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ble_advertise();
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break;
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case BLE_GAP_EVENT_DISCONNECT:
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ESP_LOGI(TAG, "disconnect; reason=%d\n", event->disconnect.reason);
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/* Connection terminated; resume advertising */
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ble_advertise();
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break;
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case BLE_GAP_EVENT_ADV_COMPLETE:
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ESP_LOGI(TAG, "adv complete\n");
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ble_advertise();
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break;
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case BLE_GAP_EVENT_SUBSCRIBE:
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ESP_LOGI(TAG, "subscribe event; cur_notify=%d\n value handle; "
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"val_handle=%d\n",
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event->subscribe.cur_notify, event->subscribe.attr_handle);
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if(event->subscribe.attr_handle == svc_handle_button) {
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}
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break;
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case BLE_GAP_EVENT_CONN_UPDATE:
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ESP_LOGI(TAG, "BLE_GAP_EVENT_CONN_UPDATE, conn_handle: %d status: %d",
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event->mtu.conn_handle,
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event->enc_change.status
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);
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break;
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case BLE_GAP_EVENT_ENC_CHANGE:
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ESP_LOGI(TAG, "BLE_GAP_EVENT_ENC_CHANGE");
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break;
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case BLE_GAP_EVENT_MTU:
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ESP_LOGI(TAG, "mtu update event; conn_handle=%d mtu=%d\n",
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event->mtu.conn_handle,
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event->mtu.value);
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break;
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case BLE_GAP_EVENT_NOTIFY_RX:
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ESP_LOGI(TAG, "BLE_GAP_EVENT_NOTIFY_RX; conn_handle=%d mtu=%d attr_handle=%d\n",
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event->mtu.conn_handle,
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event->mtu.value,
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event->notify_rx.attr_handle);
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break;
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case BLE_GAP_EVENT_NOTIFY_TX:
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ESP_LOGI(TAG, "BLE_GAP_EVENT_NOTIFY_TX; conn_handle=%d mtu=%d\n",
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event->mtu.conn_handle,
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event->mtu.value);
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break;
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default:
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ESP_LOGW(TAG, "unhandled ble_gap_event; conn_handle=%d type=%d\n",
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event->mtu.conn_handle,
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event->type
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);
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}
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return 0;
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}
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void ble_init_buddy_client() {
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uint8_t addr_type;
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struct ble_gap_disc_params disc_params = {
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.filter_duplicates = 1,
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.passive = 1,
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.itvl = 0,
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.window = 0,
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.filter_policy = 0,
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.limited = 0,
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};
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ESP_ERROR_CHECK(ble_hs_id_infer_auto(0, &addr_type));
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ESP_ERROR_CHECK(ble_gap_disc(addr_type, BLE_HS_FOREVER, &disc_params, ble_gap_event, &addr_type));
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}
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static void on_sync() {
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ESP_LOGI(TAG, "on_sync");
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int err;
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err = ble_hs_id_infer_auto(0, &blehr_addr_type);
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ESP_ERROR_CHECK(err);
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uint8_t addr_val[6] = {0};
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err = ble_hs_id_copy_addr(blehr_addr_type, addr_val, NULL);
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ESP_ERROR_CHECK(err);
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ble_advertise();
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ble_init_buddy_client();
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}
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static void on_reset(int reason) {
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ESP_LOGE(TAG, "on_reset, reason: %d", reason);
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}
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int8_t ble_send_notification(void *buf, uint8_t size) {
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struct os_mbuf *om;
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om = ble_hs_mbuf_from_flat(buf, size);
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return ble_gattc_notify_custom(conn_handle, svc_handle_button, om);
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}
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void nimble_host_task(void *param) {
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nimble_port_run();
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}
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uint8_t baros_ble_init(baros_ble_cfg_t *cfg) {
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ESP_LOGV(TAG, "init");
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esp_err_t err;
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nimble_port_init();
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ble_hs_cfg.sync_cb = on_sync;
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ble_hs_cfg.reset_cb = on_reset;
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// initialize services
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err = ble_gatts_count_cfg(service_defs);
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ESP_ERROR_CHECK(err);
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err = ble_gatts_add_svcs(service_defs);
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ESP_ERROR_CHECK(err);
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ESP_LOGI(TAG, "Setting device name: %s", cfg->name);
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device_name = cfg->name;
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err = ble_svc_gap_device_name_set(cfg->name);
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ESP_ERROR_CHECK(err);
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nimble_port_freertos_init(nimble_host_task);
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return 0;
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}
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