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fix(adc): fix adc1 error after bootloader random

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gaoxu
2024-10-28 09:38:13 +08:00
parent 9d45436a5f
commit 3e9c1ae62b
1 changed files with 12 additions and 4 deletions
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16
components/bootloader_support/src/bootloader_random_esp32p4.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -94,7 +94,15 @@ void bootloader_random_enable(void)
void bootloader_random_disable(void)
{
// No-op for now TODO IDF-6497
// ADC should be set to defaults here, once ADC API is implemented
// OR just keep this empty and let application continue to use RNG initialized by the bootloader
//TODO IDF-4714
// disable timer
REG_CLR_BIT(ADC_CTRL2_REG, ADC_TIMER_EN);
// Write reset value of this register
REG_WRITE(ADC_SAR1_PATT_TAB1_REG, 0xFFFFFF);
// Revert ADC I2C configuration and initial voltage source setting
REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SAR_ADC_SAR1_INIT_CODE_MSB, 0);
REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SAR_ADC_SAR1_INIT_CODE_LSB, 0);
REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SAR_ADC_ENT_VDD_GRP1, 0);
REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SAR_ADC_DTEST_VDD_GRP1, 0);
}