1 | //Tim3 PWM
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2 |
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3 | //Takt für Timer 3 einschalten
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4 | RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
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5 | //Timer 3 konfigurieren
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6 | TIM_TimeBase_InitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
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7 | TIM_TimeBase_InitStructure.TIM_CounterMode = TIM_CounterMode_Up;
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8 | TIM_TimeBase_InitStructure.TIM_Period = 99;
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9 | TIM_TimeBase_InitStructure.TIM_Prescaler = 7;
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10 | TIM_TimeBase_InitStructure.TIM_RepetitionCounter = 0;
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11 |
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12 | TIM_TimeBaseInit(TIM3, &TIM_TimeBase_InitStructure);
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13 |
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14 | //PWM konfigurieren
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15 | TIM_OCInitTypeDef outputChannelInit;
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16 |
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17 | outputChannelInit.TIM_OCMode = TIM_OCMode_PWM1;
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18 | outputChannelInit.TIM_OutputState = TIM_OutputState_Enable;
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19 | outputChannelInit.TIM_OutputNState = TIM_OutputNState_Enable;
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20 | outputChannelInit.TIM_OCPolarity = TIM_OCPolarity_High;
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21 | outputChannelInit.TIM_OCPolarity = TIM_OCNPolarity_High;
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22 | outputChannelInit.TIM_OCIdleState = TIM_OCIdleState_Reset;
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23 | outputChannelInit.TIM_OCNIdleState = TIM_OCNIdleState_Set;
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24 | outputChannelInit.TIM_Pulse = 80; //80Pulse von 100 high
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25 |
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26 | //PWM Channel 1
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27 | TIM_OC1Init(TIM3, &outputChannelInit);
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28 | TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable);
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29 |
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30 | GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_1);
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31 |
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32 | //PWM Channel 2
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33 | TIM_OC2Init(TIM3, &outputChannelInit);
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34 | TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable);
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35 |
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36 | GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_1);
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37 |
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38 | //PWM Channel 4
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39 | TIM_OC4Init(TIM3, &outputChannelInit);
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40 | TIM_OC4PreloadConfig(TIM3, TIM_OCPreload_Enable);
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41 |
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42 | GPIO_PinAFConfig(GPIOB, GPIO_PinSource1, GPIO_AF_1);
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43 |
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44 | // Timer3 einschalten
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45 | TIM_Cmd(TIM3, ENABLE);
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46 | /* TIM3 Main Output Enable */
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47 | TIM_CtrlPWMOutputs(TIM3, ENABLE);
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48 |
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49 |
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50 |
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51 | //Tim1 PWM
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52 |
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53 | //Takt für Timer 1 einschalten
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54 | RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
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55 | //Timer 1 konfigurieren
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56 | TIM_TimeBase_InitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
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57 | TIM_TimeBase_InitStructure.TIM_CounterMode = TIM_CounterMode_Up;
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58 | TIM_TimeBase_InitStructure.TIM_Period = 99;
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59 | TIM_TimeBase_InitStructure.TIM_Prescaler = 7;
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60 | TIM_TimeBase_InitStructure.TIM_RepetitionCounter = 0;
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61 |
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62 | TIM_TimeBaseInit(TIM1, &TIM_TimeBase_InitStructure);
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63 |
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64 | //PWM konfigurieren
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65 |
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66 | outputChannelInit.TIM_OCMode = TIM_OCMode_PWM1;
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67 | outputChannelInit.TIM_OutputState = TIM_OutputState_Enable;
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68 | outputChannelInit.TIM_OutputNState = TIM_OutputNState_Enable;
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69 | outputChannelInit.TIM_OCPolarity = TIM_OCPolarity_High;
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70 | outputChannelInit.TIM_OCPolarity = TIM_OCNPolarity_High;
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71 | outputChannelInit.TIM_OCIdleState = TIM_OCIdleState_Reset;
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72 | outputChannelInit.TIM_OCNIdleState = TIM_OCNIdleState_Set;
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73 | outputChannelInit.TIM_Pulse = 80; //80Pulse von 100 high
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74 |
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75 | //PWM Channel 2
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76 | TIM_OC2Init(TIM1, &outputChannelInit);
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77 | TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);
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78 |
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79 | GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_2);
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80 |
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81 |
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82 | // Timer1 einschalten
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83 | TIM_Cmd(TIM1, ENABLE);
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84 | /* TIM1 Main Output Enable */
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85 | TIM_CtrlPWMOutputs(TIM1, ENABLE);
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