kopia lustrzana https://github.com/espressif/esp-idf
rng: fix rng adc digital inpu not disabled issue
rodzic
964db79c0e
commit
d53ea1166d
|
@ -74,6 +74,7 @@ void bootloader_random_enable(void)
|
|||
REGI2C_WRITE_MASK(I2C_SAR_ADC, ADC_SARADC_DTEST_RTC_ADDR, 0);
|
||||
}
|
||||
|
||||
//TODO: IDF-4714
|
||||
void bootloader_random_disable(void)
|
||||
{
|
||||
/* Restore internal I2C bus state */
|
||||
|
@ -82,13 +83,19 @@ void bootloader_random_disable(void)
|
|||
REGI2C_WRITE_MASK(I2C_SAR_ADC, ADC_SARADC_ENT_RTC_ADDR, 0);
|
||||
REGI2C_WRITE_MASK(I2C_SAR_ADC, ADC_SARADC_DTEST_RTC_ADDR, 0);
|
||||
|
||||
/* Restore SARADC to default mode */
|
||||
CLEAR_PERI_REG_MASK(SENS_SAR_MEAS1_MUX_REG, SENS_SAR1_DIG_FORCE);
|
||||
SET_PERI_REG_MASK(SYSTEM_PERIP_CLK_EN0_REG, SYSTEM_APB_SARADC_CLK_EN);
|
||||
REG_SET_FIELD(SENS_SAR_POWER_XPD_SAR_REG, SENS_FORCE_XPD_SAR, 0);
|
||||
CLEAR_PERI_REG_MASK(APB_SARADC_CTRL2_REG, APB_SARADC_TIMER_EN);
|
||||
//Stop SAR ADC clock
|
||||
CLEAR_PERI_REG_MASK(SENS_SAR_PERI_CLK_GATE_CONF_REG, SENS_SARADC_CLK_EN);
|
||||
//Power off SAR ADC
|
||||
REG_SET_FIELD(SENS_SAR_POWER_XPD_SAR_REG, SENS_FORCE_XPD_SAR, 0);
|
||||
//return to ADC RTC controller
|
||||
CLEAR_PERI_REG_MASK(SENS_SAR_MEAS1_MUX_REG, SENS_SAR1_DIG_FORCE);
|
||||
//Invalidate ADC digital trigger timer
|
||||
CLEAR_PERI_REG_MASK(APB_SARADC_CTRL2_REG, APB_SARADC_TIMER_EN);
|
||||
|
||||
//Disable ADC digital part
|
||||
CLEAR_PERI_REG_MASK(SYSTEM_PERIP_CLK_EN0_REG, SYSTEM_APB_SARADC_CLK_EN);
|
||||
//Hold reset bit for ADC digital part
|
||||
SET_PERI_REG_MASK(SYSTEM_PERIP_RST_EN0_REG, SYSTEM_APB_SARADC_RST);
|
||||
|
||||
/* Note: the 8M CLK entropy source continues running even after this function is called,
|
||||
but as mentioned above it's better to enable Wi-Fi or BT or call bootloader_random_enable()
|
||||
|
|
Ładowanie…
Reference in New Issue