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38
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1 /**
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2 ******************************************************************************
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3 * @file uart.c
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 27-March-2014
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7 * @brief button control
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use #####
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12 ==============================================================================
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13 @endverbatim
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14 ******************************************************************************
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15 * @attention
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16 *
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17 * <h2><center>© COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
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18 *
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19 ******************************************************************************
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20 */
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21 /* Includes ------------------------------------------------------------------*/
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22 #include "uart.h"
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23
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24 /* Private variables ---------------------------------------------------------*/
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25
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26 UART_HandleTypeDef huart2;
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27
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28
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29 /* Exported functions --------------------------------------------------------*/
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30
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31 void MX_USART2_UART_Init(void)
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32 {
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33 /* pullup special */
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34 GPIO_InitTypeDef GPIO_InitStructure;
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35 __GPIOA_CLK_ENABLE();
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36 GPIO_InitStructure.Pin = GPIO_PIN_2;
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37 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
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38 GPIO_InitStructure.Pull = GPIO_PULLUP;
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39 GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
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40 HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
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41
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42 /* regular init */
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43 huart2.Instance = USART2;
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44 huart2.Init.BaudRate = 1200;
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45 huart2.Init.WordLength = UART_WORDLENGTH_8B;
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46 huart2.Init.StopBits = UART_STOPBITS_1;
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47 huart2.Init.Parity = UART_PARITY_NONE;
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48 huart2.Init.Mode = UART_MODE_TX_RX;
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49 huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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50 huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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51 HAL_UART_Init(&huart2);
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52 }
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53
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54
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55 uint8_t UART_ButtonAdjust(uint8_t *array)
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56 {
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57 uint8_t answer[4];
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58
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59 HAL_UART_Transmit(&huart2,array,4,1000);
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60 HAL_UART_Receive(&huart2,answer,4,2000);
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61 if( (answer[0] == array[0])
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62 &&(answer[1] == array[1])
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63 &&(answer[2] == array[2])
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64 &&(answer[3] == array[3]))
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65 return 1;
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66 else
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67 return 0;
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68 }
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69
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70 void MX_USART2_UART_DeInit(void)
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71 {
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72 HAL_UART_DeInit(&huart2);
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73 }
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74
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75
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76 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/
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