esp_hf_client_send_nrec() function
Disable echo cancellation and noise reduction in the AG (use AT+NREC=0 command). As a precondition to use this API, Service Level Connection shall exist with AG
Return value
- ESP_OK: NREC=0 request is sent to lower layer - ESP_ERR_INVALID_STATE: if bluetooth stack is not yet enabled - ESP_FAIL: others
esp_hf_client_send_nrec() calls 2 functions:
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esp_hf_client_send_nrec()
esp_hf_client_send_nrec() reads 5 variables and writes 3 variables:
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esp_hf_client_send_nrec()