NRF52832的SAADC设置12位没反应 - Discuz! Board

ret_code_t errCode;
nrfx_saadc_config_t adc_config;
adc_config.resolution = (nrf_saadc_resolution_t)NRFX_SAADC_CONFIG_RESOLUTION;
adc_config.oversample = (nrf_saadc_oversample_t)NRFX_SAADC_CONFIG_OVERSAMPLE;
adc_config.interrupt_priority = NRFX_SAADC_CONFIG_IRQ_PRIORITY;
adc_config.low_power_mode = NRFX_SAADC_CONFIG_LP_MODE ;
// ADC初始化
errCode = nrf_drv_saadc_init(&adc_config, adcCallbackFunc);
APP_ERROR_CHECK(errCode);
// ADC通道配置
nrf_saadc_channel_config_t channelConfig = NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(NRF_SAADC_INPUT_AIN3); // 单端输入
// ADC通道初始化
errCode = nrf_drv_saadc_channel_init(3, &channelConfig);
APP_ERROR_CHECK(errCode);
// ADC通道配置
nrf_saadc_channel_config_t channelConfig1 = NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(NRF_SAADC_INPUT_AIN2); // 单端输入
// ADC通道初始化
errCode = nrf_drv_saadc_channel_init(2, &channelConfig1);
APP_ERROR_CHECK(errCode);
// ADC通道配置
nrf_saadc_channel_config_t channelConfig2 = NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(NRF_SAADC_INPUT_AIN1); // 单端输入
// ADC通道初始化
errCode = nrf_drv_saadc_channel_init(1, &channelConfig2);
APP_ERROR_CHECK(errCode);
// 缓冲配置
errCode = nrf_drv_saadc_buffer_convert(s_bufferPool, SAMPLES_IN_BUFFER);
APP_ERROR_CHECK(errCode);

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