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Use slightly flatter directory structure since some developers did not

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like too many folders.
Extracted code from some files into separate files to fit with the new
layout.
This commit is contained in:
Dominic Clifton 2014-04-08 22:07:37 +01:00
parent 39adc34278
commit 3bd4cd2ed2
84 changed files with 732 additions and 645 deletions
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60
src/drivers/adc_common.c Executable file
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#include "board.h"
#define ADC_BATTERY 0
#define ADC_CURRENT 1
// static volatile uint16_t adc1Ch4Value = 0;
static volatile uint16_t adcValues[2];
void adcInit(drv_adc_config_t *init)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
bool multiChannel = init->powerAdcChannel > 0;
// ADC assumes all the GPIO was already placed in 'AIN' mode
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = multiChannel ? 2 : 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = multiChannel ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = multiChannel ? ENABLE : DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = multiChannel ? 2 : 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_28Cycles5);
if (multiChannel)
ADC_RegularChannelConfig(ADC1, init->powerAdcChannel, 2, ADC_SampleTime_28Cycles5);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
// Calibrate ADC
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
// Fire off ADC
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
uint16_t adcGetChannel(uint8_t channel)
{
return adcValues[channel];
}