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feat(adc): added an API to flush the continuous driver pool

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This commit is contained in:
Armando
2023-08-08 20:45:00 +08:00
committed by Armando (Dou Yiwen)
parent eb8883cc20
commit 73c9182581
2 changed files with 31 additions and 2 deletions
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17
components/esp_adc/adc_continuous.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2016-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2016-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -613,6 +613,21 @@ esp_err_t adc_continuous_register_event_callbacks(adc_continuous_handle_t handle
return ESP_OK;
}
esp_err_t adc_continuous_flush_pool(adc_continuous_handle_t handle)
{
ESP_RETURN_ON_FALSE(handle, ESP_ERR_INVALID_ARG, ADC_TAG, "invalid argument");
ESP_RETURN_ON_FALSE(handle->fsm == ADC_FSM_INIT, ESP_ERR_INVALID_STATE, ADC_TAG, "ADC continuous mode isn't in the init state, it's started already");
size_t actual_size = 0;
uint8_t *old_data = NULL;
while ((old_data = xRingbufferReceiveUpTo(handle->ringbuf_hdl, &actual_size, 0, handle->ringbuf_size))) {
vRingbufferReturnItem(handle->ringbuf_hdl, old_data);
}
return ESP_OK;
}
esp_err_t adc_continuous_io_to_channel(int io_num, adc_unit_t * const unit_id, adc_channel_t * const channel)
{
return adc_io_to_channel(io_num, unit_id, channel);