1 | void ADC_Configuration(void)
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2 | {
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3 | ADC_InitTypeDef ADC_InitStructure;
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4 | ADC_CommonInitTypeDef ADC_CommonInitStructure;
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5 | volatile int i;
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6 |
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7 | /* Configure the ADC clocks */
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8 | RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div1);
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9 | RCC_ADCCLKConfig(RCC_ADC34PLLCLK_Div1);
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10 |
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11 | /* Enable ADC1/2/3/4 clocks */
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12 | RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12 | RCC_AHBPeriph_ADC34, ENABLE);
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13 |
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14 | /* ADC GPIO configuration */
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15 | ADC_GPIO_Configuration();
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16 |
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17 | /* ADC DMA Channel configuration */
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18 | ADC12_DMA_Configuration();
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19 | ADC34_DMA_Configuration();
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20 |
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21 | /* ADC Calibration procedure */
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22 | ADC_VoltageRegulatorCmd(ADC1, ENABLE);
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23 | ADC_VoltageRegulatorCmd(ADC2, ENABLE);
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24 | ADC_VoltageRegulatorCmd(ADC3, ENABLE);
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25 | ADC_VoltageRegulatorCmd(ADC4, ENABLE);
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26 |
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27 | /* Insert delay equal to 10 µs */
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28 | //Delay(10);
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29 | for(i=0; i<10000; i++);
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30 |
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31 | ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
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32 | ADC_StartCalibration(ADC1);
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33 |
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34 | ADC_SelectCalibrationMode(ADC2, ADC_CalibrationMode_Single);
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35 | ADC_StartCalibration(ADC2);
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36 |
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37 | ADC_SelectCalibrationMode(ADC3, ADC_CalibrationMode_Single);
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38 | ADC_StartCalibration(ADC3);
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39 |
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40 | ADC_SelectCalibrationMode(ADC4, ADC_CalibrationMode_Single);
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41 | ADC_StartCalibration(ADC4);
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42 |
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43 | while(ADC_GetCalibrationStatus(ADC1) != RESET );
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44 | CalibrationValue[0] = ADC_GetCalibrationValue(ADC1);
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45 |
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46 | while(ADC_GetCalibrationStatus(ADC2) != RESET );
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47 | CalibrationValue[1] = ADC_GetCalibrationValue(ADC2);
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48 |
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49 | while(ADC_GetCalibrationStatus(ADC3) != RESET );
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50 | CalibrationValue[2] = ADC_GetCalibrationValue(ADC3);
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51 |
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52 | while(ADC_GetCalibrationStatus(ADC4) != RESET );
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53 | CalibrationValue[3] = ADC_GetCalibrationValue(ADC4);
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54 |
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55 | /* ADC Dual mode configuration */
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56 | ADC_CommonInitStructure.ADC_Mode = ADC_Mode_RegSimul;
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57 | ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
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58 | ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1; // 12-bit
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59 | ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_Circular;
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60 | ADC_CommonInitStructure.ADC_TwoSamplingDelay = 10;
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61 |
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62 | ADC_CommonInit(ADC1, &ADC_CommonInitStructure);
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63 | ADC_CommonInit(ADC3, &ADC_CommonInitStructure);
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64 |
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65 | /* */
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66 | ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Disable; // Triggered
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67 | ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
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68 | ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_RisingEdge;
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69 | ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
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70 | ADC_InitStructure.ADC_OverrunMode = ADC_OverrunMode_Disable;
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71 | ADC_InitStructure.ADC_AutoInjMode = ADC_AutoInjec_Disable;
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72 | ADC_InitStructure.ADC_NbrOfRegChannel = 3;
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73 |
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74 | ADC_InitStructure.ADC_ExternalTrigConvEvent =
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75 | ADC_ExternalTrigConvEvent_10; // Entspricht dem TRGO2 des TIM1
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76 | // ADC_ExternalTrigConvEvent_3; // ADC1/2 EXT3 TIM2_CC2
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77 |
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78 | ADC_Init(ADC1, &ADC_InitStructure);
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79 | ADC_Init(ADC2, &ADC_InitStructure);
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80 |
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81 | ADC_InitStructure.ADC_ExternalTrigConvEvent =
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82 | ADC_ExternalTrigConvEvent_10; // Entspricht dem TRGO2 des TIM1
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83 | // ADC_ExternalTrigConvEvent_1; // ADC3/4 EXT1 TIM2_CC3
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84 |
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85 | ADC_Init(ADC3, &ADC_InitStructure);
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86 | ADC_Init(ADC4, &ADC_InitStructure);
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87 | }
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