annotate Small_CPU/Src/uart.c @ 481:89f6857276f8 Improve_Button_Sleep

Bugfix calculation of string center position: Strings shown on the right side at surface mode use special characters ('\016' and '\017') to switch font size. Headline strings like "Desaturation" could also be set to the target font directly, because they do not contain mixed font sizes, but nethertheless they are using the special characters. The function calculating the offset needed to display the strinter with center alignment did not consider the small font size => misalignment during string display. To avoid this an evaluation of the special characters has been added to the helper function.
author ideenmodellierer
date Mon, 18 May 2020 21:51:08 +0200
parents 5f11787b4f42
children 1b995079c045
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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>&copy; 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****/