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adc_continuous_read() function
Read bytes from ADC under continuous mode.
Syntax
esp_err_t adc_continuous_read(adc_continuous_handle_t handle,
uint8_t *buf,
uint32_t length_max,
uint32_t *out_length,
uint32_t timeout_ms);
Implemented in ![]()
adc_continuous.c:378
Return value
- ESP_ERR_INVALID_STATE Driver state is invalid. Usually it means the ADC sampling rate is faster than the task processing rate. - ESP_ERR_TIMEOUT Operation timed out - ESP_OK On success
Related Functions
Found 10 other functions taking a ![]()
adc_continuous_ctx_t
argument:
Function
Description
Deinitialize the ADC continuous driver.
Start the ADC under continuous mode. After this, the hardware starts working.
Stop the ADC. After this, the hardware stops working.
Register callbacks
Set ADC continuous mode required configurations
Initialize DMA interrupt event
Flush the driver internal pool
Allocate an ADC continuous mode monitor (and configure it into an initial state)
New an ADC continuous mode IIR filter
Examples
Code
Location
Call Tree
from 0/1 examplesadc_continuous_read() calls 5 functions:
Data Use
from 0/1 examplesadc_continuous_read() reads 9 variables: