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driver(adc): fix adc io init bug

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This commit is contained in:
fuzhibo 2020-05-13 11:48:55 +08:00
parent 8860c1b94c
commit 260d6f83b7
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;
}