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fix(ulp-riscv): Fixed ADC oneshot initialization for ULP RISC-V

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This commit fixes a bug in the ADC oneshot driver initialization for the
ULP RISC-V.
This commit is contained in:
Sudeep Mohanty 2025-02-24 15:59:14 +01:00
parent 2d1c99e74f
commit 6858b37f51
1 changed files with 21 additions and 3 deletions
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24
components/esp_adc/adc_oneshot.c
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@ -1,5 +1,5 @@
/* /*
* SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2019-2025 Espressif Systems (Shanghai) CO LTD
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
@ -107,7 +107,7 @@ esp_err_t adc_oneshot_new_unit(const adc_oneshot_unit_init_cfg_t *init_config, a
if (init_config->ulp_mode != ADC_ULP_MODE_DISABLE) { if (init_config->ulp_mode != ADC_ULP_MODE_DISABLE) {
clk_src = LP_ADC_CLK_SRC_LP_DYN_FAST; clk_src = LP_ADC_CLK_SRC_LP_DYN_FAST;
} else } else
#endif /* CONFIG_SOC_LP_ADC_SUPPORTED */ #endif /* SOC_LP_ADC_SUPPORTED */
{ {
clk_src = ADC_DIGI_CLK_SRC_DEFAULT; clk_src = ADC_DIGI_CLK_SRC_DEFAULT;
if (init_config->clk_src) { if (init_config->clk_src) {
@ -119,10 +119,28 @@ esp_err_t adc_oneshot_new_unit(const adc_oneshot_unit_init_cfg_t *init_config, a
adc_oneshot_hal_cfg_t config = { adc_oneshot_hal_cfg_t config = {
.unit = init_config->unit_id, .unit = init_config->unit_id,
.work_mode = (init_config->ulp_mode != ADC_ULP_MODE_DISABLE) ? ADC_HAL_LP_MODE : ADC_HAL_SINGLE_READ_MODE,
.clk_src = clk_src, .clk_src = clk_src,
.clk_src_freq_hz = clk_src_freq_hz, .clk_src_freq_hz = clk_src_freq_hz,
}; };
switch (init_config->ulp_mode) {
case ADC_ULP_MODE_FSM:
config.work_mode = ADC_HAL_LP_MODE; // esp32 ulp-fsm mode
break;
case ADC_ULP_MODE_RISCV:
config.work_mode = ADC_HAL_SINGLE_READ_MODE; // esp32s2, esp32s3 ulp-riscv mode
break;
#if SOC_LP_ADC_SUPPORTED
case ADC_ULP_MODE_LP_CORE:
config.work_mode = ADC_HAL_LP_MODE; // lp core mode
break;
#endif /* SOC_LP_ADC_SUPPORTED */
case ADC_ULP_MODE_DISABLE:
default:
config.work_mode = ADC_HAL_SINGLE_READ_MODE; // oneshot read mode
break;
}
adc_oneshot_hal_init(&(unit->hal), &config); adc_oneshot_hal_init(&(unit->hal), &config);
#if SOC_ADC_DIG_CTRL_SUPPORTED && !SOC_ADC_RTC_CTRL_SUPPORTED #if SOC_ADC_DIG_CTRL_SUPPORTED && !SOC_ADC_RTC_CTRL_SUPPORTED