Mercurial > public > ostc4
comparison Small_CPU/Src/uart.c @ 38:5f11787b4f42
include in ostc4 repository
author | heinrichsweikamp |
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date | Sat, 28 Apr 2018 11:52:34 +0200 |
parents | |
children | 1b995079c045 |
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37:ccc45c0e1ea2 | 38:5f11787b4f42 |
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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>© 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****/ |