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feat(lp_adc): Added support for LP ADC initialization to the esp_adc oneshot driver

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This commit adds support for LP ADC initialization to the esp_adc
oneshot driver, when it is used from the HP core.
This commit is contained in:
Sudeep Mohanty
2024-08-27 11:03:55 +02:00
parent f972cd4bbd
commit d604e09274
8 changed files with 45 additions and 16 deletions
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9
components/hal/esp32p4/include/hal/adc_ll.h
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@@ -39,6 +39,7 @@ extern "C" {
---------------------------------------------------------------*/
#define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM) (0)
#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) (1)
#define LP_ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) (2)
#define ADC_LL_DELAY_CYCLE_AFTER_DONE_SIGNAL (0)
/*---------------------------------------------------------------
@@ -616,8 +617,8 @@ static inline void adc_ll_set_controller(adc_unit_t adc_n, adc_ll_controller_t c
break;
case ADC_LL_CTRL_ULP:
LP_ADC.meas1_mux.sar1_dig_force = 0; // 1: Select digital control; 0: Select RTC control.
LP_ADC.meas1_ctrl2.meas1_start_force = 0; // 1: SW control RTC ADC start; 0: ULP control RTC ADC start.
LP_ADC.meas1_ctrl2.sar1_en_pad_force = 0; // 1: SW control RTC ADC bit map; 0: ULP control RTC ADC bit map;
LP_ADC.meas1_ctrl2.meas1_start_force = 1; // 1: SW control RTC ADC start; 0: ULP control RTC ADC start.
LP_ADC.meas1_ctrl2.sar1_en_pad_force = 1; // 1: SW control RTC ADC bit map; 0: ULP control RTC ADC bit map;
break;
case ADC_LL_CTRL_DIG:
LP_ADC.meas1_mux.sar1_dig_force = 1; // 1: Select digital control; 0: Select RTC control.
@@ -636,8 +637,8 @@ static inline void adc_ll_set_controller(adc_unit_t adc_n, adc_ll_controller_t c
break;
case ADC_LL_CTRL_ULP:
LP_ADC.meas2_mux.sar2_rtc_force = 0; // 1: Select digital control; 0: Select RTC control.
LP_ADC.meas2_ctrl2.meas2_start_force = 0; // 1: SW control RTC ADC start; 0: ULP control RTC ADC start.
LP_ADC.meas2_ctrl2.sar2_en_pad_force = 0; // 1: SW control RTC ADC bit map; 0: ULP control RTC ADC bit map;
LP_ADC.meas2_ctrl2.meas2_start_force = 1; // 1: SW control RTC ADC start; 0: ULP control RTC ADC start.
LP_ADC.meas2_ctrl2.sar2_en_pad_force = 1; // 1: SW control RTC ADC bit map; 0: ULP control RTC ADC bit map;
break;
case ADC_LL_CTRL_DIG:
LP_ADC.meas2_mux.sar2_rtc_force = 0; // 1: Select digital control; 0: Select RTC control.