1 | int main(void)
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2 | {
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3 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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4 |
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5 | // System startup
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6 |
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7 | MainGpioInit(); // GPIO configuration
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8 | //A. Martin debug
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9 | GPIO_SetBits(LED_OK_PORT, LED_OK_PIN);
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10 | GPIO_ResetBits(LED_ERR_PORT, LED_ERR_PIN);
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11 |
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12 | RCC_Configuration(); // System clocks configuration
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13 | RCC_ClockSecuritySystemCmd(ENABLE); // Enable clock security system(CSS)
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14 | EH_Init(); // Error Code Handling initialization
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15 | //A. Martin debug
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16 | //NVIC_Configuration(); // NVIC configuration
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17 | //MainGpioInit(); // GPIO configuration
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18 |
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19 | if (SysTick_Config(SystemCoreClock / SYSTICK_FREQ)) // Setup SysTick Timer for 1 msec interrupts
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20 | while (1)
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21 | ;
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22 |
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23 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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24 |
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25 | // Initialize internal peripherals
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26 |
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27 | I2c_Configuration(); // I2C configuration
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28 | Timer_Configuration(); // Timer configuration
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29 | //ExtInt_Configuration(); // External hardware interrupt configuration
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30 | // was only used for overtemp sensor which is not used in DLX
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31 | Adc_Configuration(); // ADC_ configuration
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32 |
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33 |
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34 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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35 |
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36 | // Initialize system control and get system informations
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37 |
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38 | ParameterInit(); // initialize internal parameters and structures
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39 | GetStartupInformation(); // request static system information
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40 |
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41 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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42 |
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43 | // Prepare command reception and command buffer
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44 |
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45 | nCanRxCounter = 0;
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46 | pCBWritePtr = pCBReadPtr = szCmdQueue; // set circular buffer pointer to first element of buffer
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47 | Can_Configuration(); // CAN configuration
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48 |
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49 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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50 |
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51 | // Prepare program execution
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52 |
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53 | FncDispEnable(true); // enable periodically function dispatcher
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54 | WatchdogConfig(); // configure independent watchdog
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55 |
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56 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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57 |
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58 | // Start program execution
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59 | while (1)
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60 | {
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61 | //A. Martin debug
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62 | GPIO_SetBits(LED_OK_PORT, LED_OK_PIN);
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63 |
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64 | GPIO_SetBits(TEST2_PORT, TEST2_PIN); // switch On Testpin, to check if app runs
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65 |
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66 |
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67 | // check permanently for errors
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68 | if( EH_GetErrorCounter() != 0)
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69 | {
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70 | nStatusByte |= (1<<UC_ERR_FLAG); // set error flag in global status byte
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71 | SetStatusLED(UC_ERR);
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72 | }
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73 | else
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74 | {
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75 | nStatusByte &= ~(1<<UC_ERR_FLAG); // clear error flag in global status byte
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76 | SetStatusLED(UC_OK);
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77 | }
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78 |
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79 | //A. Martin debug
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80 | GPIO_SetBits(LED_OK_PORT, LED_OK_PIN);
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81 | /************************OVERTEMPERATURE-Handling***********************************************************/
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82 |
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83 | // check if over-temperature error is always active
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84 | if (((nStatusByte & (1<<OVERTEMP_FLAG)) == !0) && (GPIO_ReadInputDataBit(OVT_PORT, OVT_PIN) == 0x00)) // read OV flag and input pin status (PORTE Pin11)/low active
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85 | {
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86 | EXTI_ClearITPendingBit(EXTI_LINE_OVT); // Clear the supervisor board over-temperature EXTI line pending bit
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87 | OVFailureCount++; // increase failure counter
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88 | if (OVFailureCount >= 500) // does counter reach end point?
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89 | {
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90 | Overtemp_Shutdown (); // call over temperature shutdown
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91 | //nStatusByte &= ~(1<<OVERTEMP_FLAG); // clear over temperature flag
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92 | OVFailureCount = 0; // clear counter
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93 | }
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94 | }
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95 | else if (GPIO_ReadInputDataBit(OVT_PORT, OVT_PIN) == 0x01)
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96 | {
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97 | // if ((nStatusByte & (1<<OVERTEMP_FLAG)) == !0) // overtemp_flag was set
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98 | // {
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99 | nStatusByte &= ~(1<<OVERTEMP_FLAG); // clear over temperature flag
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100 | EXTI_ClearITPendingBit(EXTI_LINE_OVT); // Clear the supervisor board over-temperature EXTI line pending bit
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101 | // }
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102 | //EH_ClearErrorCode(ERR_OVT); // clear error code
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103 | OVFailureCount = 0; // clear counter
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104 | }
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105 |
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106 | // reset watchdog counter
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107 | WatchdogReset();
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108 |
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109 | // call command interpreter
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110 | CmdEval();
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111 |
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112 | // reset watchdog counter
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113 | WatchdogReset();
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114 | }
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115 | }
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116 |
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117 |
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118 |
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119 | void NVIC_Configuration(void)
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120 | {
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121 | NVIC_InitTypeDef NVIC_InitStructure;
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122 |
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123 | /* Configure the Priority Grouping with 1 bit */
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124 | NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
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125 |
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126 | /* Configure and enable CAN interrupt */
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127 | NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
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128 | NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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129 | NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
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130 | NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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131 | NVIC_Init(&NVIC_InitStructure);
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132 |
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133 | // Enable ADC1_2 IRQChannel
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134 | NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;
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135 | NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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136 | NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
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137 | NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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138 | NVIC_Init(&NVIC_InitStructure);
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139 |
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140 | /* Enable the EXTI15_10 Interrupt */
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141 | /*
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142 | NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
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143 | NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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144 | NVIC_InitStructure.NVIC_IRQChannelSubPriority = 5;
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145 | NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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146 | NVIC_Init(&NVIC_InitStructure);
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147 | */
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148 | }
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