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annotate Small_CPU/Src/uartProtocol_GNSS.c @ 918:f72613a152dd Evo_2_23

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Switch external interface tx communication to DMA: In the previous version the transmitting of data was done in polling mode. With the introduction of new sensors the length of commands send to the sensor may increase and have a impact to the runtim behavior of the SW. To avoid this the DMA transfers for TX has been activated.
author Ideenmodellierer
date Sun, 03 Nov 2024 15:40:55 +0100
parents 2225c467f1e9
children c0553dd70608
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899
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1 /**
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2 ******************************************************************************
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3 * @file uartProtocol_GNSS.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 30-Sep-2024
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7 * @brief Interface functionality operation of GNSS devices
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8 *
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9 @verbatim
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10
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11
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12 @endverbatim
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13 ******************************************************************************
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14 * @attention
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15 *
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16 * <h2><center>&copy; COPYRIGHT(c) 2024 heinrichs weikamp</center></h2>
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17 *
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18 ******************************************************************************
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19 */
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20 /* Includes ------------------------------------------------------------------*/
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21
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22 #include <string.h>
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23 #include "scheduler.h"
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24 #include <uartProtocol_GNSS.h>
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25 #include "uart.h"
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26 #include "GNSS.h"
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27
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28 #ifdef ENABLE_GNSS
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29
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30 static uartGnssStatus_t gnssOpState = UART_GNSS_INIT;
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31 static receiveStateGnss_t rxState = GNSSRX_READY;
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32
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33 void ConvertByteToHexString(uint8_t byte, char* str)
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34 {
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35 uint8_t worker = 0;
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36 uint8_t digit = 0;
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37 uint8_t digitCnt = 1;
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38
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39 worker = byte;
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40 while((worker!=0) && (digitCnt != 255))
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41 {
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42 digit = worker % 16;
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43 if( digit < 10)
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44 {
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45 digit += '0';
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46 }
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47 else
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48 {
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49 digit += 'A' - 10;
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50 }
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51 str[digitCnt--]= digit;
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52 worker = worker / 16;
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53 }
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54 }
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55
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56 void uartGnss_Control(void)
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57 {
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58 static uint32_t delayStartTick = 0;
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59
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60 uint32_t tick = HAL_GetTick();
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61
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62 switch (gnssOpState)
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63 {
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64 case UART_GNSS_INIT: delayStartTick = tick;
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65 gnssOpState = UART_GNSS_LOAD;
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66 break;
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67 case UART_GNSS_LOAD: if(time_elapsed_ms(delayStartTick,HAL_GetTick()) > 1000)
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68 {
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69 GNSS_LoadConfig(&GNSS_Handle);
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70 gnssOpState = UART_GNSS_GET_ID;
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71 delayStartTick = tick;
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72 }
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73 break;
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74 case UART_GNSS_GET_ID: if(time_elapsed_ms(delayStartTick,HAL_GetTick()) > 250)
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75 {
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76 GNSS_GetUniqID(&GNSS_Handle);
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77 gnssOpState = UART_GNSS_IDLE;
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78 rxState = GNSSRX_RECEIVING;
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79 delayStartTick = tick;
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80 }
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81 break;
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82 case UART_GNSS_IDLE: if(time_elapsed_ms(delayStartTick,HAL_GetTick()) > 1000)
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83 {
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84 GNSS_GetPVTData(&GNSS_Handle);
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85 gnssOpState = UART_GNSS_OPERATING;
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86 rxState = GNSSRX_RECEIVING;
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87 delayStartTick = tick;
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88 }
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89 break;
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90 case UART_GNSS_OPERATING: if(time_elapsed_ms(delayStartTick,HAL_GetTick()) > 1000)
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91 {
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92 gnssOpState = UART_GNSS_IDLE; /* simple error handling => start next request */
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93 rxState = GNSSRX_READY;
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94 }
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95 break;
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96 default:
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97 break;
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98 }
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99 }
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100
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101 void uartGnss_ProcessData(void)
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102 {
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103 if(rxState == GNSSRX_RECEIVING)
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104 {
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105 if(GNSS_ParseBuffer(&GNSS_Handle))
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106 {
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107 gnssOpState = UART_GNSS_IDLE;
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108 }
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109 }
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110 }
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111
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112 #endif
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113