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comparison Small_CPU/Src/uart.c @ 38:5f11787b4f42

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include in ostc4 repository
author heinrichsweikamp
date Sat, 28 Apr 2018 11:52:34 +0200
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children 1b995079c045
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37:ccc45c0e1ea2 38:5f11787b4f42
1 /**
2 ******************************************************************************
3 * @file uart.c
4 * @author heinrichs weikamp gmbh
5 * @version V0.0.1
6 * @date 27-March-2014
7 * @brief button control
8 *
9 @verbatim
10 ==============================================================================
11 ##### How to use #####
12 ==============================================================================
13 @endverbatim
14 ******************************************************************************
15 * @attention
16 *
17 * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
18 *
19 ******************************************************************************
20 */
21 /* Includes ------------------------------------------------------------------*/
22 #include "uart.h"
23
24 /* Private variables ---------------------------------------------------------*/
25
26 UART_HandleTypeDef huart2;
27
28
29 /* Exported functions --------------------------------------------------------*/
30
31 void MX_USART2_UART_Init(void)
32 {
33 /* pullup special */
34 GPIO_InitTypeDef GPIO_InitStructure;
35 __GPIOA_CLK_ENABLE();
36 GPIO_InitStructure.Pin = GPIO_PIN_2;
37 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
38 GPIO_InitStructure.Pull = GPIO_PULLUP;
39 GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
40 HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
41
42 /* regular init */
43 huart2.Instance = USART2;
44 huart2.Init.BaudRate = 1200;
45 huart2.Init.WordLength = UART_WORDLENGTH_8B;
46 huart2.Init.StopBits = UART_STOPBITS_1;
47 huart2.Init.Parity = UART_PARITY_NONE;
48 huart2.Init.Mode = UART_MODE_TX_RX;
49 huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
50 huart2.Init.OverSampling = UART_OVERSAMPLING_16;
51 HAL_UART_Init(&huart2);
52 }
53
54
55 uint8_t UART_ButtonAdjust(uint8_t *array)
56 {
57 uint8_t answer[4];
58
59 HAL_UART_Transmit(&huart2,array,4,1000);
60 HAL_UART_Receive(&huart2,answer,4,2000);
61 if( (answer[0] == array[0])
62 &&(answer[1] == array[1])
63 &&(answer[2] == array[2])
64 &&(answer[3] == array[3]))
65 return 1;
66 else
67 return 0;
68 }
69
70 void MX_USART2_UART_DeInit(void)
71 {
72 HAL_UART_DeInit(&huart2);
73 }
74
75
76 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/