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adc: new feature adc digital monitor supported

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This commit is contained in:
wanlei
2023-03-20 18:17:44 +08:00
parent 7a462d8a86
commit 87848110c1
16 changed files with 813 additions and 204 deletions
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101
components/hal/esp32c3/include/hal/adc_ll.h
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@@ -29,10 +29,13 @@ extern "C" {
#define ADC_LL_EVENT_ADC1_ONESHOT_DONE BIT(31)
#define ADC_LL_EVENT_ADC2_ONESHOT_DONE BIT(30)
#define ADC_LL_EVENT_THRES0_HIGH BIT(29)
#define ADC_LL_EVENT_THRES1_HIGH BIT(28)
#define ADC_LL_EVENT_THRES0_LOW BIT(27)
#define ADC_LL_EVENT_THRES1_LOW BIT(26)
#define ADC_LL_THRES_ALL_INTR_ST_M (APB_SARADC_THRES0_HIGH_INT_ST_M | \
APB_SARADC_THRES1_HIGH_INT_ST_M | \
APB_SARADC_THRES0_LOW_INT_ST_M | \
APB_SARADC_THRES1_LOW_INT_ST_M)
#define ADC_LL_GET_HIGH_THRES_MASK(monitor_id) ((monitor_id == 0) ? APB_SARADC_THRES0_HIGH_INT_ST_M : APB_SARADC_THRES1_HIGH_INT_ST_M)
#define ADC_LL_GET_LOW_THRES_MASK(monitor_id) ((monitor_id == 0) ? APB_SARADC_THRES0_LOW_INT_ST_M : APB_SARADC_THRES1_LOW_INT_ST_M)
/*---------------------------------------------------------------
Oneshot
@@ -391,41 +394,87 @@ static inline void adc_ll_digi_filter_enable(adc_digi_iir_filter_t idx, adc_unit
}
/**
* Set monitor mode of adc digital controller.
* Set monitor threshold of adc digital controller on specific channel.
*
* @note If the channel info is not supported, the monitor function will not be enabled.
* @param adc_n ADC unit.
* @param is_larger true: If ADC_OUT > threshold, Generates monitor interrupt.
* false: If ADC_OUT < threshold, Generates monitor interrupt.
* @param monitor_id ADC digi monitor unit index.
* @param adc_n Which adc unit the channel belong to.
* @param channel Which channel of adc want to be monitored.
* @param h_thresh High threshold of this monitor.
* @param l_thresh Low threshold of this monitor.
*/
static inline void adc_ll_digi_monitor_set_mode(adc_digi_monitor_idx_t idx, adc_digi_monitor_t *cfg)
static inline void adc_ll_digi_monitor_set_thres(adc_monitor_id_t monitor_id, adc_unit_t adc_n, uint8_t channel, int32_t h_thresh, int32_t l_thresh)
{
if (idx == ADC_DIGI_MONITOR_IDX0) {
APB_SARADC.thres0_ctrl.thres0_channel = (cfg->adc_unit << 3) | (cfg->channel & 0x7);
APB_SARADC.thres0_ctrl.thres0_high = cfg->h_threshold;
APB_SARADC.thres0_ctrl.thres0_low = cfg->l_threshold;
} else { // ADC_DIGI_MONITOR_IDX1
APB_SARADC.thres1_ctrl.thres1_channel = (cfg->adc_unit << 3) | (cfg->channel & 0x7);
APB_SARADC.thres1_ctrl.thres1_high = cfg->h_threshold;
APB_SARADC.thres1_ctrl.thres1_low = cfg->l_threshold;
if (monitor_id == ADC_MONITOR_0) {
APB_SARADC.thres0_ctrl.thres0_channel = (adc_n << 3) | (channel & 0x7);
APB_SARADC.thres0_ctrl.thres0_high = h_thresh;
APB_SARADC.thres0_ctrl.thres0_low = l_thresh;
} else { // ADC_MONITOR_1
APB_SARADC.thres1_ctrl.thres1_channel = (adc_n << 3) | (channel & 0x7);
APB_SARADC.thres1_ctrl.thres1_high = h_thresh;
APB_SARADC.thres1_ctrl.thres1_low = l_thresh;
}
}
/**
* Enable/disable monitor of adc digital controller.
* Start/Stop monitor of adc digital controller.
*
* @note If the channel info is not supported, the monitor function will not be enabled.
* @param adc_n ADC unit.
* @param monitor_id ADC digi monitor unit index.
* @param start 1 for start, 0 for stop
*/
static inline void adc_ll_digi_monitor_disable(adc_digi_monitor_idx_t idx)
static inline void adc_ll_digi_monitor_user_start(adc_monitor_id_t monitor_id, bool start)
{
if (idx == ADC_DIGI_MONITOR_IDX0) {
APB_SARADC.thres0_ctrl.thres0_channel = 0xF;
} else { // ADC_DIGI_MONITOR_IDX1
APB_SARADC.thres1_ctrl.thres1_channel = 0xF;
if (monitor_id == ADC_MONITOR_0) {
APB_SARADC.thres_ctrl.thres0_en = start;
} else {
APB_SARADC.thres_ctrl.thres1_en = start;
}
}
/**
* Enable/disable a intr of adc digital monitor.
*
* @param monitor_id ADC digi monitor unit index.
* @param mode monit mode to enable/disable intr.
* @param enable enable or disable.
*/
static inline void adc_ll_digi_monitor_enable_intr(adc_monitor_id_t monitor_id, adc_monitor_mode_t mode, bool enable)
{
if (monitor_id == ADC_MONITOR_0) {
if (mode == ADC_MONITOR_MODE_HIGH) {
APB_SARADC.int_ena.thres0_high = enable;
} else {
APB_SARADC.int_ena.thres0_low = enable;
}
}
if (monitor_id == ADC_MONITOR_1) {
if (mode == ADC_MONITOR_MODE_HIGH) {
APB_SARADC.int_ena.thres1_high = enable;
} else {
APB_SARADC.int_ena.thres1_low = enable;
}
}
}
/**
* Get the address of digi monitor intr statue register.
*
* @return address of register.
*/
__attribute__((always_inline))
static inline volatile const void *adc_ll_digi_monitor_get_intr_status_addr(void)
{
return &APB_SARADC.int_st.val;
}
/**
* Clear intr raw for adc digi monitors.
*/
__attribute__((always_inline))
static inline void adc_ll_digi_monitor_clear_intr(void)
{
APB_SARADC.int_clr.val |= ADC_LL_THRES_ALL_INTR_ST_M;
}
/**
* Set DMA eof num of adc digital controller.
* If the number of measurements reaches `dma_eof_num`, then `dma_in_suc_eof` signal is generated.