1 | /* TIM1 configuration ------------------------------------------------------*/
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2 | /* Time Base configuration */
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3 | TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
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4 | TIM_TimeBaseStructure.TIM_Period = 0xFFFF;
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5 | TIM_TimeBaseStructure.TIM_Prescaler = 0x4;
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6 | TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
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7 | TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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8 | TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
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9 |
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10 | /* TIM1 channel1 configuration in PWM mode */
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11 | TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
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12 | TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
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13 | TIM_OCInitStructure.TIM_Pulse = 0xFFFF/2;
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14 | TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
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15 | TIM_OC1Init(TIM1, &TIM_OCInitStructure);
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16 | // TIM_OC2Init(TIM1, &TIM_OCInitStructure); // (sollte für das 2te compare-register sein sollen)
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17 |
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18 | /* DMA1 Channel1 Configuration ----------------------------------------------*/
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19 | DMA_DeInit(DMA1_Channel1);
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20 | DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
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21 | DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_RegularConvertedValueTab;
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22 | DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
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23 | DMA_InitStructure.DMA_BufferSize = FRAME_ADC_SIZE_OF_BUFFER;
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24 | DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
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25 | DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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26 | DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
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27 | DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
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28 | DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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29 | DMA_InitStructure.DMA_Priority = DMA_Priority_High;
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30 | DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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31 | DMA_Init(DMA1_Channel1, &DMA_InitStructure);
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32 |
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33 | /* Enable DMA1 channel1 */
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34 | DMA_Cmd(DMA1_Channel1, ENABLE);
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35 |
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36 | /* ADC1 configuration ------------------------------------------------------*/
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37 | ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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38 | ADC_InitStructure.ADC_ScanConvMode = DISABLE;
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39 | ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
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40 | ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
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41 | // ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC2; // (triggert den ADC jedoch nicht an)
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42 | ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
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43 | ADC_InitStructure.ADC_NbrOfChannel = 1;
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44 | ADC_Init(ADC1, &ADC_InitStructure);
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45 |
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46 | /* ADC1 regular channel1 configuration */
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47 | ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_41Cycles5);
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48 |
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49 |
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50 | /* Enable ADC1 DMA */
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51 | ADC_DMACmd(ADC1, ENABLE);
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52 |
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53 | /* Enable ADC1 external trigger */
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54 | ADC_ExternalTrigConvCmd(ADC1, ENABLE);
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55 |
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56 | /* Enable ADC1 */
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57 | ADC_Cmd(ADC1, ENABLE);
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58 |
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59 | /* TIM1 main Output Enable */
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60 | TIM_CtrlPWMOutputs(TIM1, ENABLE);
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61 |
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62 | /* TIM1 counter enable */
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63 | TIM_Cmd(TIM1, ENABLE);
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