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adc: create common adc hal layer

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This commit is contained in:
Armando
2022-03-24 17:45:58 +08:00
parent 1f922f2124
commit 49747bb486
39 changed files with 1256 additions and 839 deletions
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103
components/hal/esp32/include/hal/adc_ll.h
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@@ -6,19 +6,22 @@
#pragma once
#include "soc/adc_periph.h"
#include <stdbool.h>
#include "hal/adc_types.h"
#include "hal/misc.h"
#include "hal/assert.h"
#include "soc/adc_periph.h"
#include "soc/rtc_io_struct.h"
#include "soc/sens_struct.h"
#include "soc/syscon_struct.h"
#include "soc/rtc_cntl_struct.h"
#include <stdbool.h>
#include "hal/misc.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ADC_LL_EVENT_ADC1_ONESHOT_DONE (1 << 0)
#define ADC_LL_EVENT_ADC2_ONESHOT_DONE (1 << 1)
typedef enum {
ADC_POWER_BY_FSM, /*!< ADC XPD controlled by FSM. Used for polling mode */
@@ -338,14 +341,31 @@ static inline void adc_ll_set_sar_clk_div(adc_unit_t adc_n, uint32_t div)
* @param adc_n ADC unit.
* @param bits Output data bits width option, see ``adc_bits_width_t``.
*/
static inline void adc_ll_rtc_set_output_format(adc_unit_t adc_n, adc_bits_width_t bits)
static inline void adc_oneshot_ll_set_output_bits(adc_unit_t adc_n, adc_bitwidth_t bits)
{
uint32_t reg_val = 0;
switch (bits) {
case ADC_BITWIDTH_9:
reg_val = 0;
break;
case ADC_BITWIDTH_10:
reg_val = 1;
break;
case ADC_BITWIDTH_11:
reg_val = 2;
break;
case ADC_BITWIDTH_12:
reg_val = 3;
break;
default:
HAL_ASSERT(false);
}
if (adc_n == ADC_UNIT_1) {
SENS.sar_start_force.sar1_bit_width = bits;
SENS.sar_read_ctrl.sar1_sample_bit = bits;
SENS.sar_start_force.sar1_bit_width = reg_val;
SENS.sar_read_ctrl.sar1_sample_bit = reg_val;
} else { // adc_n == ADC_UNIT_2
SENS.sar_start_force.sar2_bit_width = bits;
SENS.sar_read_ctrl2.sar2_sample_bit = bits;
SENS.sar_start_force.sar2_bit_width = reg_val;
SENS.sar_read_ctrl2.sar2_sample_bit = reg_val;
}
}
@@ -357,7 +377,7 @@ static inline void adc_ll_rtc_set_output_format(adc_unit_t adc_n, adc_bits_width
* @param adc_n ADC unit.
* @param channel ADC channel number for each ADCn.
*/
static inline void adc_ll_rtc_enable_channel(adc_unit_t adc_n, int channel)
static inline void adc_oneshot_ll_set_channel(adc_unit_t adc_n, int channel)
{
if (adc_n == ADC_UNIT_1) {
SENS.sar_meas_start1.sar1_en_pad = (1 << channel); //only one channel is selected.
@@ -373,7 +393,7 @@ static inline void adc_ll_rtc_enable_channel(adc_unit_t adc_n, int channel)
*
* @param adc_n ADC unit.
*/
static inline void adc_ll_rtc_disable_channel(adc_unit_t adc_n)
static inline void adc_oneshot_ll_disable_channel(adc_unit_t adc_n)
{
if (adc_n == ADC_UNIT_1) {
SENS.sar_meas_start1.sar1_en_pad = 0; //only one channel is selected.
@@ -388,9 +408,8 @@ static inline void adc_ll_rtc_disable_channel(adc_unit_t adc_n)
* @note It may be block to wait conversion idle for ADC1.
*
* @param adc_n ADC unit.
* @param channel ADC channel number for each ADCn.
*/
static inline void adc_ll_rtc_start_convert(adc_unit_t adc_n, int channel)
static inline void adc_oneshot_ll_start(adc_unit_t adc_n)
{
if (adc_n == ADC_UNIT_1) {
while (HAL_FORCE_READ_U32_REG_FIELD(SENS.sar_slave_addr1, meas_status) != 0) {}
@@ -403,20 +422,33 @@ static inline void adc_ll_rtc_start_convert(adc_unit_t adc_n, int channel)
}
/**
* Check the conversion done flag for each ADCn for RTC controller.
* Clear the event for each ADCn for Oneshot mode
*
* @param event ADC event
*/
static inline void adc_oneshot_ll_clear_event(uint32_t event)
{
//For compatibility
}
/**
* Check the event for each ADCn for Oneshot mode
*
* @param event ADC event
*
* @param adc_n ADC unit.
* @return
* -true : The conversion process is finish.
* -false : The conversion process is not finish.
*/
static inline bool adc_ll_rtc_convert_is_done(adc_unit_t adc_n)
static inline bool adc_oneshot_ll_get_event(uint32_t event)
{
bool ret = true;
if (adc_n == ADC_UNIT_1) {
if (event == ADC_LL_EVENT_ADC1_ONESHOT_DONE) {
ret = (bool)SENS.sar_meas_start1.meas1_done_sar;
} else { // adc_n == ADC_UNIT_2
} else if (event == ADC_LL_EVENT_ADC2_ONESHOT_DONE) {
ret = (bool)SENS.sar_meas_start2.meas2_done_sar;
} else {
HAL_ASSERT(false);
}
return ret;
}
@@ -428,9 +460,9 @@ static inline bool adc_ll_rtc_convert_is_done(adc_unit_t adc_n)
* @return
* - Converted value.
*/
static inline int adc_ll_rtc_get_convert_value(adc_unit_t adc_n)
static inline uint32_t adc_oneshot_ll_get_raw_result(adc_unit_t adc_n)
{
int ret_val = 0;
uint32_t ret_val = 0;
if (adc_n == ADC_UNIT_1) {
ret_val = HAL_FORCE_READ_U32_REG_FIELD(SENS.sar_meas_start1, meas1_data_sar);
} else { // adc_n == ADC_UNIT_2
@@ -444,7 +476,7 @@ static inline int adc_ll_rtc_get_convert_value(adc_unit_t adc_n)
*
* @param adc_n ADC unit.
*/
static inline void adc_ll_rtc_output_invert(adc_unit_t adc_n, bool inv_en)
static inline void adc_oneshot_ll_output_invert(adc_unit_t adc_n, bool inv_en)
{
if (adc_n == ADC_UNIT_1) {
SENS.sar_read_ctrl.sar1_data_inv = inv_en; // Enable / Disable ADC data invert
@@ -457,20 +489,20 @@ static inline void adc_ll_rtc_output_invert(adc_unit_t adc_n, bool inv_en)
* Analyze whether the obtained raw data is correct.
*
* @param adc_n ADC unit.
* @param raw_data ADC raw data input (convert value).
* @param raw ADC raw data input (convert value).
* @return
* - 0: The data is correct to use.
* - true: raw data is valid
*/
static inline adc_ll_rtc_raw_data_t adc_ll_rtc_analysis_raw_data(adc_unit_t adc_n, uint16_t raw_data)
static inline bool adc_oneshot_ll_raw_check_valid(adc_unit_t adc_n, uint32_t raw)
{
/* ADC1 don't need check data */
return ADC_RTC_DATA_OK;
/* No arbiter, don't need check data */
return true;
}
/**
* Set the attenuation of a particular channel on ADCn.
*/
static inline void adc_ll_set_atten(adc_unit_t adc_n, adc_channel_t channel, adc_atten_t atten)
static inline void adc_oneshot_ll_set_atten(adc_unit_t adc_n, adc_channel_t channel, adc_atten_t atten)
{
if (adc_n == ADC_UNIT_1) {
SENS.sar_atten1 = ( SENS.sar_atten1 & ~(0x3 << (channel * 2)) ) | ((atten & 0x3) << (channel * 2));
@@ -495,6 +527,25 @@ static inline adc_atten_t adc_ll_get_atten(adc_unit_t adc_n, adc_channel_t chann
}
}
/**
* Enable oneshot conversion trigger
*
* @param adc_n Not used, for compatibility
*/
static inline void adc_oneshot_ll_enable(adc_unit_t adc_n)
{
(void)adc_n;
//For compatibility
}
/**
* Disable oneshot conversion trigger for all the ADC units
*/
static inline void adc_oneshot_ll_disable_all_unit(void)
{
//For compatibility
}
/*---------------------------------------------------------------
Common setting
---------------------------------------------------------------*/