feedc0de/esp-idf
1
0
Fork 0
forked from espressif/esp-idf
Code Pull Requests Activity

feat(rng): add comment of reserved channel in RNG

Browse Source
This commit is contained in:
gaoxu
2025-03-26 14:52:59 +08:00
parent 09dbbe4452
commit 32b7347965
5 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
components/bootloader_support/src/bootloader_random_esp32c5.c
View File

@ -30,11 +30,11 @@ void bootloader_random_enable(void)
adc_digi_pattern_config_t pattern_config = {};
pattern_config.unit = ADC_UNIT_1;
pattern_config.atten = ADC_ATTEN_DB_12;
pattern_config.channel = ADC_CHANNEL_7;
pattern_config.channel = ADC_CHANNEL_7; //Use reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_1, 0, pattern_config);
pattern_config.unit = ADC_UNIT_2;
pattern_config.atten = ADC_ATTEN_DB_12;
pattern_config.channel = ADC_CHANNEL_1;
pattern_config.channel = ADC_CHANNEL_1; //Use reserved ADC2 and reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_2, 1, pattern_config);
adc_ll_digi_set_pattern_table_len(ADC_UNIT_1, 2);

4
components/bootloader_support/src/bootloader_random_esp32c6.c
View File

@ -30,11 +30,11 @@ void bootloader_random_enable(void)
adc_digi_pattern_config_t pattern_config = {};
pattern_config.unit = ADC_UNIT_2;
pattern_config.atten = ADC_ATTEN_DB_2_5;
pattern_config.channel = ADC_CHANNEL_1;
pattern_config.channel = ADC_CHANNEL_1; //Use reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_1, 0, pattern_config);
pattern_config.unit = ADC_UNIT_2;
pattern_config.atten = ADC_ATTEN_DB_2_5;
pattern_config.channel = ADC_CHANNEL_1;
pattern_config.channel = ADC_CHANNEL_1; //Use reserved ADC2 and reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_2, 1, pattern_config);
adc_ll_digi_set_pattern_table_len(ADC_UNIT_2, 2);

4
components/bootloader_support/src/bootloader_random_esp32c61.c
View File

@ -30,11 +30,11 @@ void bootloader_random_enable(void)
adc_digi_pattern_config_t pattern_config = {};
pattern_config.unit = ADC_UNIT_1;
pattern_config.atten = ADC_ATTEN_DB_12;
pattern_config.channel = ADC_CHANNEL_7;
pattern_config.channel = ADC_CHANNEL_7; //Use reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_1, 0, pattern_config);
pattern_config.unit = ADC_UNIT_2;
pattern_config.atten = ADC_ATTEN_DB_12;
pattern_config.channel = ADC_CHANNEL_1;
pattern_config.channel = ADC_CHANNEL_1; //Use reserved ADC2 and reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_2, 1, pattern_config);
adc_ll_digi_set_pattern_table_len(ADC_UNIT_1, 2);

2
components/bootloader_support/src/bootloader_random_esp32h2.c
View File

@ -31,7 +31,7 @@ void bootloader_random_enable(void)
adc_ll_digi_set_pattern_table(ADC_UNIT_1, 0, pattern_config);
pattern_config.unit = ADC_UNIT_2;
pattern_config.atten = ADC_ATTEN_DB_2_5;
pattern_config.channel = ADC_CHANNEL_1;
pattern_config.channel = ADC_CHANNEL_1; //Use reserved ADC2 and reserved channel to get internal voltage
adc_ll_digi_set_pattern_table(ADC_UNIT_2, 1, pattern_config);
adc_ll_digi_set_pattern_table_len(ADC_UNIT_1, 1);

2
components/hal/esp32c5/include/hal/adc_ll.h
View File

@ -896,7 +896,7 @@ static inline void adc_ll_set_ent_param(uint32_t param)
__attribute__((always_inline))
static inline void adc_ll_enable_calibration_ref(adc_unit_t adc_n, bool en)
{
//C6 doesn't support ADC2, here is for backward compatibility for RNG
//C5 doesn't support ADC2, here is for backward compatibility for RNG
if (adc_n == ADC_UNIT_1) {
REGI2C_WRITE_MASK(I2C_SAR_ADC, ADC_SARADC1_EN_TOUT_ADDR, en);
} else {