1 | /* Includes ------------------------------------------------------------------*/
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2 | #include "stm32f10x_conf.h"
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3 | #include <stdio.h>
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4 | #include <time.h>
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5 |
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6 | /** @addtogroup Template_Project
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7 | * @{
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8 | */
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9 |
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10 | /* Private typedef -----------------------------------------------------------*/
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11 | /* Private define ------------------------------------------------------------*/
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12 | /* Private macro -------------------------------------------------------------*/
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13 | /* Private variables ---------------------------------------------------------*/
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14 | volatile unsigned short TimerVar;
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15 |
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16 | /* Private function prototypes -----------------------------------------------*/
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17 | void NVIC_Configuration(void);
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18 | void RCC_Configuration(void);
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19 | void IO_Configuration(void);
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20 |
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21 | int ReadValue;
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22 |
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23 | /* Private functions ---------------------------------------------------------*/
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24 |
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25 | /**
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26 | * @brief Main program.
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27 | * @param None
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28 | * @retval None
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29 | */
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30 | int main(void)
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31 | {
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32 | int x,anzahl;
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33 | anzahl = 40;
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34 |
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35 | RCC_Configuration(); // es muss richtige Definition in stm32f10x.h einkommentiert sein (STM32F10X_MD)
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36 | IO_Configuration ();
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37 | //NVIC_Configuration();
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38 |
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39 | SysTick_Config(75000); // ruft in cyklischen Abständen eine ISR auf (1ms)
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40 |
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41 | // LED 3 und 4 leuchten immer
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42 |
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43 |
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44 | /* Infinite loop
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45 | while (1)
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46 | {
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47 |
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48 | GPIO_ResetBits(GPIOD, GPIO_Pin_13);
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49 | int start;
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50 | start = GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13);
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51 | if (start == 1)
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52 | {
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53 | GPIO_SetBits(GPIOD, GPIO_Pin_13);
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54 |
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55 |
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56 | }
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57 |
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58 | do {
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59 | GPIO_SetBits(GPIOD, GPIO_Pin_3);
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60 | }while(anzahl < 40);*/
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61 |
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62 | //for (x=1;x=anzahl;x++)
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63 | //for (x=1;x=anzahl;x++);
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64 | /*GPIO_ResetBits(GPIOD, GPIO_Pin_3);
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65 | GPIO_SetBits(GPIOD, GPIO_Pin_4);
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66 | GPIO_SetBits(GPIOD, GPIO_Pin_3);
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67 | GPIO_SetBits(GPIOD, GPIO_Pin_13);*/
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68 | //warte(100);
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69 | //GPIO_SetBits(GPIOD, GPIO_Pin_7);
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70 | //GPIO_SetBits(GPIOD, GPIO_Pin_13);
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71 |
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72 |
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73 | // Wenn Taster B3 nicht betätigt leuchtet LED4,
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74 | // Reset von LED3 damit immer nur eine der beiden LEDs leuchtet
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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 | // while(1)
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80 |
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81 | //{
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82 |
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83 | // Variable für bessere Übersicht festlegen
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84 | ReadValue = GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_9);
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85 |
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86 | if (ReadValue == 1)
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87 |
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88 | GPIO_SetBits(GPIOD, GPIO_Pin_7);//, GPIO_ResetBits(GPIOD, GPIO_Pin_7);// , GPIO_ResetBits(GPIOD, GPIO_Pin_7) , GPIO_ResetBits(GPIOD, GPIO_Pin_13);
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89 | else
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90 | GPIO_ResetBits(GPIOD, GPIO_Pin_7);
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91 | //wait(100);
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92 | /* if (ReadValue == 1)
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93 | GPIO_ResetBits(GPIOD, GPIO_Pin_7);// , GPIO_SetBits(GPIOD, GPIO_Pin_3) , GPIO_ResetBits(GPIOD, GPIO_Pin_7) , GPIO_ResetBits(GPIOD, GPIO_Pin_13);
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94 |
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95 | if (ReadValue == 1)
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96 | GPIO_ResetBits(GPIOD, GPIO_Pin_4) , GPIO_ResetBits(GPIOD, GPIO_Pin_3) , GPIO_SetBits(GPIOD, GPIO_Pin_7) , GPIO_ResetBits(GPIOD, GPIO_Pin_13);
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97 | else GPIO_SetBits(GPIOD, GPIO_Pin_3) , GPIO_ResetBits(GPIOD, GPIO_Pin_4);
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98 |
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99 | if (ReadValue == 1)
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100 |
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101 | GPIO_SetBits(GPIOD, GPIO_Pin_7) , GPIO_ResetBits(GPIOD, GPIO_Pin_13);
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102 |
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103 | else GPIO_SetBits(GPIOD, GPIO_Pin_13) , GPIO_ResetBits(GPIOD, GPIO_Pin_7);
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104 |
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105 | */
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106 | //}
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107 | }
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108 |
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109 |
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110 |
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111 | void NVIC_Configuration(void)
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112 | {
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113 | NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
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114 | }
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115 |
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116 | void RCC_Configuration(void)
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117 | {
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118 | // The maximum frequency of the AHB and the APB2 domains is 72 MHz
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119 | // The maximum allowed frequency of the APB1 domain is 36 MHz
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120 |
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121 | ErrorStatus HSEStartUpStatus;
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122 |
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123 | RCC_DeInit(); // RCC system reset(for debug purpose)
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124 |
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125 |
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126 | RCC_HSEConfig(RCC_HSE_ON); // Enable HSE
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127 | HSEStartUpStatus = RCC_WaitForHSEStartUp(); // Wait till HSE is ready
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128 |
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129 | if(HSEStartUpStatus == SUCCESS)
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130 | {
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131 | FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); // Enable Prefetch Buffer
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132 | FLASH_SetLatency(FLASH_Latency_2); // Flash 2 wait state
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133 | RCC_HCLKConfig(RCC_SYSCLK_Div1); // HCLK = SYSCLK
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134 | RCC_PCLK2Config(RCC_HCLK_Div1); // PCLK2 = HCLK // ABP2 max 72 MHz !!! WICHTIG
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135 | RCC_PCLK1Config(RCC_HCLK_Div2); // PCLK1 = HCLK/2 // ABP1 max 36 MHz !!! WICHTIG
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136 | RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_3); // PLLCLK = 25MHz * 3 = 75 MHz !!! WICHTIG
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137 | RCC_PLLCmd(ENABLE); // Enable PLL
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138 |
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139 | while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); // Wait till PLL is ready
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140 |
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141 | RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); // Select PLL as system clock source
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142 |
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143 | while(RCC_GetSYSCLKSource() != 0x08); // Wait till PLL is used as system clock source
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144 | }
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145 |
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146 |
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147 | }
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148 |
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149 |
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150 | void IO_Configuration(void)
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151 | {
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152 | /* Configure all the GPIOA in Input Floating mode */
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153 | GPIO_InitTypeDef GPIO_InitStructure;
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154 |
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155 |
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156 |
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157 | //RCC->APB2ENR |= RCC_APB2ENR_IOPBEN| RCC_APB2ENR_AFIOEN; // clock für PortB
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158 | //RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOB , ENABLE);
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159 |
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160 |
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161 |
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162 | // LED Ports definieren
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163 | RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD , ENABLE);
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164 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_7 | GPIO_Pin_13;
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165 | GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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166 | GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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167 |
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168 | GPIO_Init(GPIOD, &GPIO_InitStructure);
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169 |
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170 |
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171 | //Tasterinitialisierung
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172 | RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB , ENABLE);
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173 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
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174 | GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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175 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
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176 | GPIO_Init(GPIOB, &GPIO_InitStructure);
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177 | GPIO_Init(GPIOC, &GPIO_InitStructure);
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178 |
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179 |
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180 |
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181 | /*
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182 | GPIOB->CRL &= ~(GPIO_CRL_MODE4 | GPIO_CRL_CNF4);
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183 | GPIOB->CRL &= ~(GPIO_CRL_MODE5 | GPIO_CRL_CNF5);
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184 | GPIOB->CRL &= ~(GPIO_CRL_MODE6 | GPIO_CRL_CNF6);
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185 | GPIOB->CRL &= ~(GPIO_CRL_MODE7 | GPIO_CRL_CNF7);
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186 |
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187 |
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188 | GPIOB->CRL |= GPIO_CRL_MODE4
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189 | | GPIO_CRL_MODE5
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190 | | GPIO_CRL_MODE6
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191 | | GPIO_CRL_MODE7;
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192 |
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193 | AFIO->MAPR &= ~AFIO_MAPR_SWJ_CFG;
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194 | AFIO->MAPR |= AFIO_MAPR_SWJ_CFG_1;
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195 | */
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196 |
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197 | }
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198 |
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199 |
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200 |
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201 | #ifdef USE_FULL_ASSERT
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202 |
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203 |
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204 | void assert_failed(uint8_t* file, uint32_t line)
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205 | {
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206 | /* User can add his own implementation to report the file name and line number,
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207 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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208 |
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209 | /* Infinite loop */
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210 | while (1)
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211 | {
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212 | }
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213 | }
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214 | #endif
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215 |
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216 | /**
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217 | * @}
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218 | */
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