1 | /**
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2 | ******************************************************************************
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3 | * @file : main.c
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4 | * @brief : Main program body
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5 | ******************************************************************************
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6 | ** This notice applies to any and all portions of this file
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7 | * that are not between comment pairs USER CODE BEGIN and
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8 | * USER CODE END. Other portions of this file, whether
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9 | * inserted by the user or by software development tools
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10 | * are owned by their respective copyright owners.
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11 | *
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12 | * COPYRIGHT(c) 2018 STMicroelectronics
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13 | *
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14 | * Redistribution and use in source and binary forms, with or without modification,
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15 | * are permitted provided that the following conditions are met:
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16 | * 1. Redistributions of source code must retain the above copyright notice,
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17 | * this list of conditions and the following disclaimer.
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18 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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19 | * this list of conditions and the following disclaimer in the documentation
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20 | * and/or other materials provided with the distribution.
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21 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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22 | * may be used to endorse or promote products derived from this software
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23 | * without specific prior written permission.
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24 | *
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25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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26 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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28 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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31 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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32 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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33 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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34 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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35 | *
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36 | ******************************************************************************
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37 | */
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38 | /* Includes ------------------------------------------------------------------*/
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39 | #include "main.h"
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40 | #include "stm32f0xx_hal.h"
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41 |
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42 | /* USER CODE BEGIN Includes */
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43 |
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44 | /* USER CODE END Includes */
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45 |
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46 | /* Private variables ---------------------------------------------------------*/
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47 |
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48 | /* USER CODE BEGIN PV */
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49 | /* Private variables ---------------------------------------------------------*/
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50 |
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51 | /* USER CODE END PV */
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52 |
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53 | /* Private function prototypes -----------------------------------------------*/
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54 | void SystemClock_Config(void);
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55 | static void MX_GPIO_Init(void);
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56 |
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57 | /* USER CODE BEGIN PFP */
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58 | /* Private function prototypes -----------------------------------------------*/
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59 |
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60 | /* USER CODE END PFP */
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61 |
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62 | /* USER CODE BEGIN 0 */
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63 |
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64 | /* USER CODE END 0 */
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65 |
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66 | /**
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67 | * @brief The application entry point.
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68 | *
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69 | * @retval None
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70 | */
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71 | int main(void)
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72 | {
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73 | /* USER CODE BEGIN 1 */
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74 | // set_frequency();
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75 | /* USER CODE END 1 */
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76 |
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77 | /* MCU Configuration----------------------------------------------------------*/
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78 |
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79 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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80 | HAL_Init();
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81 |
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82 | /* USER CODE BEGIN Init */
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83 |
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84 |
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85 |
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86 | /* USER CODE END Init */
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87 |
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88 | /* Configure the system clock */
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89 | SystemClock_Config();
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90 |
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91 | /* USER CODE BEGIN SysInit */
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92 |
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93 | /* USER CODE END SysInit */
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94 |
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95 | /* Initialize all configured peripherals */
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96 | MX_GPIO_Init();
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97 | /* USER CODE BEGIN 2 */
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98 | /*
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99 | uint8_t check = SSD1306_Init(); // initialize the diaply
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100 |
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101 | SSD1306_Fill(0); // fill the display with black color
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102 | SSD1306_UpdateScreen(); // update screen
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103 |
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104 | SSD1306_GotoXY(10,10); // goto 10, 10
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105 | SSD1306_Puts("HELLO", &Font_11x18, 1); // print Hello
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106 |
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107 | SSD1306_GotoXY(10, 30);
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108 | SSD1306_Puts("WORLD !!", &Font_11x18, 1);
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109 |
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110 | SSD1306_UpdateScreen(); // update screen
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111 | */
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112 | // char *msg = "Hello Nucleo Fun!\n\r";
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113 |
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114 | /* USER CODE END 2 */
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115 |
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116 | /* Infinite loop */
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117 | /* USER CODE BEGIN WHILE */
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118 | while (1)
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119 | {
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120 |
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121 | /* USER CODE END WHILE */
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122 |
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123 | /* USER CODE BEGIN 3 */
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124 |
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125 | if (HAL_GPIO_ReadPin(GPIOB, 7) == 0)
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126 | {
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127 |
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128 | HAL_GPIO_WritePin(GPIOF, GPIO_PIN_7, 1);
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129 |
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130 | }
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131 | else
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132 | {
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133 |
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134 | HAL_GPIO_WritePin(GPIOF, GPIO_PIN_7, 0);
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135 |
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136 | }
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137 |
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138 | }
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139 |
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140 | /* USER CODE END 3 */
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141 |
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142 | }
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143 |
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144 | /**
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145 | * @brief System Clock Configuration
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146 | * @retval None
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147 | */
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148 | void SystemClock_Config(void)
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149 | {
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150 |
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151 | RCC_OscInitTypeDef RCC_OscInitStruct;
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152 | RCC_ClkInitTypeDef RCC_ClkInitStruct;
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153 |
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154 | /**Initializes the CPU, AHB and APB busses clocks
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155 | */
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156 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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157 | RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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158 | RCC_OscInitStruct.HSICalibrationValue = 16;
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159 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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160 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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161 | {
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162 | _Error_Handler(__FILE__, __LINE__);
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163 | }
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164 |
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165 | /**Initializes the CPU, AHB and APB busses clocks
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166 | */
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167 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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168 | |RCC_CLOCKTYPE_PCLK1;
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169 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
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170 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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171 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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172 |
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173 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
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174 | {
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175 | _Error_Handler(__FILE__, __LINE__);
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176 | }
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177 |
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178 | /**Configure the Systick interrupt time
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179 | */
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180 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
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181 |
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182 | /**Configure the Systick
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183 | */
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184 | HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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185 |
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186 | /* SysTick_IRQn interrupt configuration */
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187 | HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
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188 | }
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189 |
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190 | /** Configure pins as
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191 | * Analog
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192 | * Input
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193 | * Output
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194 | * EVENT_OUT
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195 | * EXTI
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196 | */
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197 | static void MX_GPIO_Init(void)
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198 | {
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199 |
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200 | GPIO_InitTypeDef GPIO_InitStruct;
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201 |
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202 | /* GPIO Ports Clock Enable */
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203 | __HAL_RCC_GPIOF_CLK_ENABLE();
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204 | __HAL_RCC_GPIOB_CLK_ENABLE();
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205 |
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206 | /*Configure GPIO pin Output Level */
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207 | HAL_GPIO_WritePin(GPIOF, GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_RESET);
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208 |
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209 | /*Configure GPIO pins : PF6 PF7 */
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210 | GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
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211 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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212 | GPIO_InitStruct.Pull = GPIO_NOPULL;
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213 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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214 | HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
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215 |
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216 | /*Configure GPIO pin : PB7 */
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217 | GPIO_InitStruct.Pin = GPIO_PIN_7;
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218 | GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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219 | GPIO_InitStruct.Pull = GPIO_NOPULL;
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220 | HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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221 |
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222 | }
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223 |
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224 | /* USER CODE BEGIN 4 */
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225 |
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226 |
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227 | /* USER CODE END 4 */
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228 |
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229 | /**
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230 | * @brief This function is executed in case of error occurrence.
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231 | * @param file: The file name as string.
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232 | * @param line: The line in file as a number.
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233 | * @retval None
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234 | */
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235 | void _Error_Handler(char *file, int line)
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236 | {
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237 | /* USER CODE BEGIN Error_Handler_Debug */
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238 | /* User can add his own implementation to report the HAL error return state */
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239 | while(1)
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240 | {
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241 | }
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242 | /* USER CODE END Error_Handler_Debug */
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243 | }
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244 |
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245 | #ifdef USE_FULL_ASSERT
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246 | /**
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247 | * @brief Reports the name of the source file and the source line number
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248 | * where the assert_param error has occurred.
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249 | * @param file: pointer to the source file name
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250 | * @param line: assert_param error line source number
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251 | * @retval None
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252 | */
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253 | void assert_failed(uint8_t* file, uint32_t line)
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254 | {
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255 | /* USER CODE BEGIN 6 */
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256 | /* User can add his own implementation to report the file name and line number,
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257 | tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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258 | /* USER CODE END 6 */
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259 | }
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260 | #endif /* USE_FULL_ASSERT */
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261 |
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262 | /**
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263 | * @}
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264 | */
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265 |
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266 | /**
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267 | * @}
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268 | */
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269 |
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270 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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