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Code Issues Actions 2 Packages Projects Releases Wiki Activity

1. changed pin_type of Legacy Paring from FIXED to VARIABLE to avoid authentication failure

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2. provide compatibilities with devices that do not support Secure Simple Paring

Closes https://github.com/espressif/esp-idf/issues/10069
Closes https://github.com/espressif/esp-idf/issues/10005
This commit is contained in:
Jin Cheng 2022-10-31 10:36:20 +08:00
parent a69c5408a3
commit 728e2c97b4
1 changed files with 21 additions and 8 deletions
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29
examples/bluetooth/esp_hid_host/main/esp_hid_gap.c
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@ -412,8 +412,25 @@ static void bt_gap_event_handler(esp_bt_gap_cb_event_t event, esp_bt_gap_cb_para
case ESP_BT_GAP_MODE_CHG_EVT:
ESP_LOGI(TAG, "BT GAP MODE_CHG_EVT mode:%d", param->mode_chg.mode);
break;
case ESP_BT_GAP_PIN_REQ_EVT: {
ESP_LOGI(TAG, "ESP_BT_GAP_PIN_REQ_EVT min_16_digit:%d", param->pin_req.min_16_digit);
if (param->pin_req.min_16_digit) {
ESP_LOGI(TAG, "Input pin code: 0000 0000 0000 0000");
esp_bt_pin_code_t pin_code = {0};
esp_bt_gap_pin_reply(param->pin_req.bda, true, 16, pin_code);
} else {
ESP_LOGI(TAG, "Input pin code: 1234");
esp_bt_pin_code_t pin_code;
pin_code[0] = '1';
pin_code[1] = '2';
pin_code[2] = '3';
pin_code[3] = '4';
esp_bt_gap_pin_reply(param->pin_req.bda, true, 4, pin_code);
}
break;
}
default:
ESP_LOGV(TAG, "BT GAP EVENT %s", bt_gap_evt_str(event));
ESP_LOGW(TAG, "BT GAP EVENT %s", bt_gap_evt_str(event));
break;
}
}
@ -429,15 +446,11 @@ static esp_err_t init_bt_gap(void)
#endif
/*
* Set default parameters for Legacy Pairing
* Use fixed pin code
* Use variable pin, input pin code when pairing
*/
esp_bt_pin_type_t pin_type = ESP_BT_PIN_TYPE_FIXED;
esp_bt_pin_type_t pin_type = ESP_BT_PIN_TYPE_VARIABLE;
esp_bt_pin_code_t pin_code;
pin_code[0] = '1';
pin_code[1] = '2';
pin_code[2] = '3';
pin_code[3] = '4';
esp_bt_gap_set_pin(pin_type, 4, pin_code);
esp_bt_gap_set_pin(pin_type, 0, pin_code);
if ((ret = esp_bt_gap_register_callback(bt_gap_event_handler)) != ESP_OK) {
ESP_LOGE(TAG, "esp_bt_gap_register_callback failed: %d", ret);