1 | void init_exti()
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2 | {
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3 |
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4 | GPIO_InitTypeDef GPIO_InitStructure;
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5 | EXTI_InitTypeDef EXTI_InitStructure;
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6 | NVIC_InitTypeDef NVIC_InitStructure;
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7 |
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8 | /// Enable the BUTTON Clock
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9 | RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOC, ENABLE);
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10 |
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11 | RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
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12 |
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13 |
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14 |
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15 | /// Configure Button pin as input
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16 | GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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17 | GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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18 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
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19 | GPIO_Init(GPIOC, &GPIO_InitStructure);
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20 |
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21 | //Anbindung mit Interruptgenerator
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22 |
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23 | /// Connect Button EXTI Line to Button GPIO Pin
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24 | SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource11);
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25 | SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource12);
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26 |
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27 |
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28 | SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource13);
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29 | SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource14);
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30 | SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource15);
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31 |
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32 |
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33 | // Configure Button EXTI line
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34 | EXTI_InitStructure.EXTI_Line = EXTI_Line11;
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35 | EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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36 | EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
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37 | EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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38 | EXTI_Init(&EXTI_InitStructure);
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39 |
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40 | // Configure Button EXTI line
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41 | EXTI_InitStructure.EXTI_Line = EXTI_Line12;
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42 | EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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43 | EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
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44 | EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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45 | EXTI_Init(&EXTI_InitStructure);
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46 |
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47 | // Configure Button EXTI line
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48 | EXTI_InitStructure.EXTI_Line = EXTI_Line13;
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49 | EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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50 | EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
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51 | EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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52 |
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53 | // Configure Button EXTI line
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54 | EXTI_InitStructure.EXTI_Line = EXTI_Line14;
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55 | EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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56 | EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
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57 | EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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58 |
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59 | // Configure Button EXTI line
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60 | EXTI_InitStructure.EXTI_Line = EXTI_Line15;
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61 | EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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62 | EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
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63 | EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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64 |
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65 |
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66 | NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
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67 | NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
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68 | NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
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69 | NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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70 |
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71 | NVIC_Init(&NVIC_InitStructure);
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72 |
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73 |
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74 | }
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75 |
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76 |
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77 |
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78 |
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79 | void EXTI15_10_IRQHandler()
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80 | {
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81 | GPIOE->BSRRL=0xFFFF;
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82 |
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83 |
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84 | //Manü Links / Wert--
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85 | if (EXTI->PR & (1<<10)) { // EXTI13 interrupt pending?
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86 | EXTI_ClearITPendingBit(EXTI_Line10); // clear pending interrupt
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87 | GPIOE->BSRRL=0xFFFF;
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88 |
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89 | }
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90 |
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91 | //Manü Links / Wert++
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92 | if (EXTI->PR & (1<<11)) { // EXTI13 interrupt pending?
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93 | EXTI_ClearITPendingBit(EXTI_Line11); // clear pending interrupt
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94 | GPIOE->BSRRL=0x00FF;
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95 |
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96 |
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97 | }
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98 |
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99 |
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100 | if (EXTI->PR & (1<<12)) { // EXTI13 interrupt pending?
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101 | EXTI_ClearITPendingBit(EXTI_Line12); // clear pending interrupt
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102 | GPIOE->BSRRL=0xFFFF;
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103 | }
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104 |
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105 | if (EXTI->PR & (1<<13)) { // EXTI13 interrupt pending?
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106 | EXTI_ClearITPendingBit(EXTI_Line13); // clear pending interrupt
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107 | GPIOE->BSRRL=0xFFFF;
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108 |
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109 | }
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110 |
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111 | if (EXTI->PR & (1<<14)) { // EXTI13 interrupt pending?
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112 | EXTI_ClearITPendingBit(EXTI_Line13); // clear pending interrupt
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113 | GPIOE->BSRRL=0xFFFF;
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114 |
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115 | }
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116 |
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117 | if (EXTI->PR & (1<<14)) { // EXTI13 interrupt pending?
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118 | EXTI_ClearITPendingBit(EXTI_Line13); // clear pending interrupt
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119 | GPIOE->BSRRL=0xFFFF;
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120 |
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121 | }
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122 |
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123 |
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124 |
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125 | //EXTI_GetITStatus()
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126 |
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127 |
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128 |
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129 |
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130 | }
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