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better adc settings

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This commit is contained in:
Ben V. Brown
2022-05-24 19:30:55 +10:00
parent 9decdcc89c
commit ad6d90dc8d
1 changed files with 8 additions and 6 deletions
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14
source/Core/BSP/Magic/Setup.cpp
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@@ -71,15 +71,15 @@ void setup_adc(void) {
adc_cfg.clkDiv = ADC_CLK_DIV_4; adc_cfg.clkDiv = ADC_CLK_DIV_4;
adc_cfg.vref = ADC_VREF_3P2V; adc_cfg.vref = ADC_VREF_3P2V;
adc_cfg.resWidth = ADC_DATA_WIDTH_16_WITH_128_AVERAGE; adc_cfg.resWidth = ADC_DATA_WIDTH_16_WITH_256_AVERAGE;
adc_cfg.inputMode = ADC_INPUT_SINGLE_END; adc_cfg.inputMode = ADC_INPUT_SINGLE_END;
adc_cfg.v18Sel = ADC_V18_SEL_1P82V; adc_cfg.v18Sel = ADC_V18_SEL_1P82V;
adc_cfg.v11Sel = ADC_V11_SEL_1P1V; adc_cfg.v11Sel = ADC_V11_SEL_1P1V;
adc_cfg.gain1 = ADC_PGA_GAIN_1; adc_cfg.gain1 = ADC_PGA_GAIN_NONE;
adc_cfg.gain2 = ADC_PGA_GAIN_1; adc_cfg.gain2 = ADC_PGA_GAIN_NONE;
adc_cfg.chopMode = ADC_CHOP_MOD_AZ_PGA_RPC_ON; adc_cfg.chopMode = ADC_CHOP_MOD_AZ_ON;
adc_cfg.biasSel = ADC_BIAS_SEL_MAIN_BANDGAP; adc_cfg.biasSel = ADC_BIAS_SEL_MAIN_BANDGAP;
adc_cfg.vcm = ADC_PGA_VCM_1V; adc_cfg.vcm = ADC_PGA_VCM_1P6V;
adc_cfg.offsetCalibEn = DISABLE; adc_cfg.offsetCalibEn = DISABLE;
adc_cfg.offsetCalibVal = 0; adc_cfg.offsetCalibVal = 0;
@@ -90,7 +90,9 @@ void setup_adc(void) {
adc_fifo_cfg.dmaEn = DISABLE; adc_fifo_cfg.dmaEn = DISABLE;
adc_fifo_cfg.fifoThreshold = ADC_FIFO_THRESHOLD_4; adc_fifo_cfg.fifoThreshold = ADC_FIFO_THRESHOLD_4;
ADC_FIFO_Cfg(&adc_fifo_cfg); ADC_FIFO_Cfg(&adc_fifo_cfg);
ADC_MIC_Bias_Disable(); // ADC_MIC_Bias_Disable();
// ADC_SET_TSVBE_LOW();
// ADC_Tsen_Disable();
// Enable FiFo IRQ // Enable FiFo IRQ
Interrupt_Handler_Register(GPADC_DMA_IRQn, adc_fifo_irq); Interrupt_Handler_Register(GPADC_DMA_IRQn, adc_fifo_irq);