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Merge branch 'bugfix/fix_adc_io_init_bug_for_idfv4.1' into 'release/v4.1'

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driver(adc): fix adc io init bug for idfv4.1 (backport v4.1)

See merge request espressif/esp-idf!8714
This commit is contained in:
Wang Jia Lin 2020-06-29 15:00:22 +08:00
commit 6cbc7dc2cd
1 changed files with 6 additions and 3 deletions
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9
components/driver/adc.c
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@ -144,14 +144,16 @@ esp_err_t adc_gpio_init(adc_unit_t adc_unit, adc_channel_t channel)
ADC_CHECK_RET(rtc_gpio_init(gpio_num));
ADC_CHECK_RET(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
ADC_CHECK_RET(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
ADC_CHECK_RET(rtc_gpio_pulldown_dis(gpio_num));
ADC_CHECK_RET(rtc_gpio_pullup_dis(gpio_num));
}
if (adc_unit & ADC_UNIT_2) {
ADC_CHANNEL_CHECK(ADC_NUM_2, channel);
gpio_num = ADC_GET_IO_NUM(ADC_NUM_2, channel);
ADC_CHECK_RET(rtc_gpio_init(gpio_num));
ADC_CHECK_RET(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
ADC_CHECK_RET(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
ADC_CHECK_RET(rtc_gpio_pulldown_dis(gpio_num));
ADC_CHECK_RET(rtc_gpio_pullup_dis(gpio_num));
}
return ESP_OK;
}
@ -385,7 +387,8 @@ static esp_err_t adc2_pad_init(adc2_channel_t channel)
ADC_CHECK_RET(adc2_pad_get_io_num(channel, &gpio_num));
ADC_CHECK_RET(rtc_gpio_init(gpio_num));
ADC_CHECK_RET(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
ADC_CHECK_RET(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
ADC_CHECK_RET(rtc_gpio_pulldown_dis(gpio_num));
ADC_CHECK_RET(rtc_gpio_pullup_dis(gpio_num));
return ESP_OK;
}