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annotate Small_CPU/Src/uart.c @ 1079:9e1fdb383d86 Icon_Integration

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Changed reaction for uart DMA buffer overruns: In the previous version a DMA was not restarted in case the read pointer is in the chunk which should be filled next. In normal operation this should never happen, in special cases, like debugging, it may occure. In case of an overrun the data may be already outdated and can be discarded. Because of this the new handling of a buffer overflow is to set the read pointer to the start of the chunk => the read function will start with the latest received data. Not yet processed data will be discarded.
author Ideenmodellierer
date Sun, 08 Mar 2026 21:04:36 +0100
parents bd8ab302ef4a
children
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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 #include "uartProtocol_O2.h"
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24 #include "uartProtocol_Co2.h"
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25 #include "uartProtocol_Sentinel.h"
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26 #include "uartProtocol_GNSS.h"
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27 #include "uartProtocol_HUD.h"
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28 #include "externalInterface.h"
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29 #include "data_exchange.h"
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30 #include "gpio.h"
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31 #include <string.h> /* memset */
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32
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33 #ifdef ENABLE_GNSS_INTERN
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34 extern UART_HandleTypeDef huart6;
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35 extern sUartComCtrl Uart6Ctrl;
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36 #endif
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37
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38 /* Private variables ---------------------------------------------------------*/
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39
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40 DMA_HandleTypeDef hdma_usart1_rx, hdma_usart1_tx;
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41
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42 uint8_t rxBuffer[CHUNK_SIZE * CHUNKS_PER_BUFFER]; /* The complete buffer has a X * chunk size to allow variations in buffer read time */
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43 uint8_t txBuffer[TX_BUF_SIZE]; /* tx uses less bytes */
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44 uint8_t txBufferQue[TX_BUF_SIZE]; /* In MUX mode command may be send shortly after each other => allow q 1 entry que */
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45
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46
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47 static uint8_t lastCmdIndex; /* Index of last command which has not been completely received */
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48
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49 sUartComCtrl Uart1Ctrl;
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50 static sUartComCtrl* pGnssCtrl = NULL;
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51
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52 static uint32_t LastCmdRequestTick = 0; /* Used by ADC handler to avoid interferance with UART communication */
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53
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54 /* Exported functions --------------------------------------------------------*/
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55
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56
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57 void UART_SetGnssCtrl(sUartComCtrl* pTarget)
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58 {
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59 pGnssCtrl = pTarget;
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60 }
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61
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62 sUartComCtrl* UART_GetGnssCtrl()
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63 {
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64 return pGnssCtrl;
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65 }
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66
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67
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68 void UART_clearRxBuffer(sUartComCtrl* pUartCtrl)
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69 {
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70 uint16_t index = 0;
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71 do
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72 {
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73 pUartCtrl->pRxBuffer[index++] = BUFFER_NODATA_LOW;
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74 pUartCtrl->pRxBuffer[index++] = BUFFER_NODATA_HIGH;
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75 } while (index < sizeof(rxBuffer));
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76
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77 pUartCtrl->rxReadIndex = 0;
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78 pUartCtrl->rxWriteIndex = 0;
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79 }
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80
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81 void MX_USART1_UART_Init(void)
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82 {
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83 /* regular init */
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84 huart1.Instance = USART1;
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85 huart1.Init.BaudRate = 19200;
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86 huart1.Init.WordLength = UART_WORDLENGTH_8B;
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87 huart1.Init.StopBits = UART_STOPBITS_1;
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88 huart1.Init.Parity = UART_PARITY_NONE;
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89 huart1.Init.Mode = UART_MODE_TX_RX;
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90 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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91 huart1.Init.OverSampling = UART_OVERSAMPLING_16;
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92
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93 HAL_UART_Init(&huart1);
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94
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95 MX_USART1_DMA_Init();
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96
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97 UART_clearRxBuffer(&Uart1Ctrl);
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98 lastCmdIndex = 0;
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99
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100 Uart1Ctrl.pHandle = &huart1;
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101 Uart1Ctrl.rxWriteIndex = 0;
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102 Uart1Ctrl.rxReadIndex = 0;
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103 Uart1Ctrl.dmaRxActive = 0;
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104 Uart1Ctrl.dmaTxActive = 0;
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105 Uart1Ctrl.pRxBuffer = rxBuffer;
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106 Uart1Ctrl.pTxBuffer = txBuffer;
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107 Uart1Ctrl.txBufferQueLen = 0;
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108
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109 #ifndef ENABLE_GNSS_INTERN
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110 #ifdef ENABLE_GNSS_EXTERN
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111 UART_SetGnssCtrl(&Uart1Ctrl);
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112 #endif
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113 #endif
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114 }
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115
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116
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117
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118 void MX_USART1_UART_DeInit(void)
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119 {
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120 HAL_DMA_Abort(&hdma_usart1_rx);
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121 HAL_DMA_DeInit(&hdma_usart1_rx);
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122 HAL_DMA_Abort(&hdma_usart1_tx);
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123 HAL_DMA_DeInit(&hdma_usart1_tx);
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124 HAL_UART_DeInit(&huart1);
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125 Uart1Ctrl.dmaRxActive = 0;
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126 Uart1Ctrl.dmaTxActive = 0;
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127 Uart1Ctrl.txBufferQueLen = 0;
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128 }
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129
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130 void MX_USART1_DMA_Init()
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131 {
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132 /* DMA controller clock enable */
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133 __DMA2_CLK_ENABLE();
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134
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135 /* Peripheral DMA init*/
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136 hdma_usart1_rx.Instance = DMA2_Stream5;
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137 hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4;
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138 hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; //DMA_MEMORY_TO_PERIPH;
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139 hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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140 hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
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141 hdma_usart1_rx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE;
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142 hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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143 hdma_usart1_rx.Init.Mode = DMA_NORMAL;
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144 hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
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145 hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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146 HAL_DMA_Init(&hdma_usart1_rx);
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147
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148 __HAL_LINKDMA(&huart1,hdmarx,hdma_usart1_rx);
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149
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150 hdma_usart1_tx.Instance = DMA2_Stream7;
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151 hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
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152 hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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153 hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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154 hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
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155 hdma_usart1_tx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE;
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156 hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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157 hdma_usart1_tx.Init.Mode = DMA_NORMAL;
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158 hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
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159 hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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160 HAL_DMA_Init(&hdma_usart1_tx);
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161
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162 __HAL_LINKDMA(&huart1,hdmatx,hdma_usart1_tx);
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163
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164
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165 /* DMA interrupt init */
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166 HAL_NVIC_SetPriority(DMA2_Stream5_IRQn, 2, 2);
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167 HAL_NVIC_EnableIRQ(DMA2_Stream5_IRQn);
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168 HAL_NVIC_SetPriority(DMA2_Stream7_IRQn, 2, 1);
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169 HAL_NVIC_EnableIRQ(DMA2_Stream7_IRQn);
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170 }
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171
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172 void UART_MUX_SelectAddress(uint8_t muxAddress)
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173 {
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174 uint8_t indexstr[4];
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175
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176 if(muxAddress <= MAX_MUX_CHANNEL)
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177 {
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178 indexstr[0] = '~';
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179 indexstr[1] = muxAddress;
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180 indexstr[2] = 0x0D;
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181 indexstr[3] = 0x0A;
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182 if(!Uart1Ctrl.dmaTxActive)
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183 {
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184 memcpy(txBuffer, indexstr, 4);
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185 Uart1Ctrl.dmaTxActive = 0;
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186 if(HAL_OK == HAL_UART_Transmit_DMA(&huart1,txBuffer,4))
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187 {
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188 Uart1Ctrl.dmaTxActive = 1;
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189 while(Uart1Ctrl.dmaTxActive)
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190 {
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191 HAL_Delay(1);
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192 }
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193 }
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194 }
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195 else
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196 {
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197 memcpy(txBufferQue, indexstr, 4);
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198 Uart1Ctrl.txBufferQueLen = 4;
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199 }
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200 }
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201 }
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202
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203 void UART_SendCmdRaw(const uint8_t *cmd, uint8_t cmdLength)
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204 {
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205 if(Uart1Ctrl.dmaTxActive == 0)
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206 {
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207 if(cmdLength < TX_BUF_SIZE) /* A longer string is an indication for a missing 0 termination */
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208 {
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209 if(Uart1Ctrl.dmaRxActive == 0)
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210 {
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211 UART_StartDMA_Receiption(&Uart1Ctrl);
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212 }
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213 memcpy(txBuffer, cmd, cmdLength);
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214 if(HAL_OK == HAL_UART_Transmit_DMA(&huart1,txBuffer,cmdLength))
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215 {
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216 Uart1Ctrl.dmaTxActive = 1;
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217 LastCmdRequestTick = HAL_GetTick();
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218 }
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219 }
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220 }
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221 else
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222 {
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223 memcpy(txBufferQue, cmd, cmdLength);
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224 Uart1Ctrl.txBufferQueLen = cmdLength;
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225 }
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226 }
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227
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228 void UART_SendCmdString(uint8_t *cmdString)
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229 {
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230 uint8_t cmdLength = strlen((char*)cmdString);
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231
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232 UART_SendCmdRaw(cmdString, cmdLength);
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233 }
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234
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235 void UART_AddFletcher(uint8_t* pBuffer, uint8_t length)
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236 {
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237 uint8_t ck_A = 0;
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238 uint8_t ck_B = 0;
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239 uint8_t index = 0;
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240
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241
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242 pBuffer += 2; /* skip sync chars */
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243 for(index = 2; index < length; index++)
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244 {
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245 ck_A += *pBuffer++;
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246 ck_B += ck_A;
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247 }
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248 *pBuffer++ = ck_A;
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249 *pBuffer++ = ck_B;
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250 }
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251
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252 void UART_SendCmdUbx(const uint8_t *cmd, uint8_t len)
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253 {
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254 if(len < TX_BUF_SIZE) /* A longer string is an indication for a missing 0 termination */
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255 {
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256 if(pGnssCtrl != NULL)
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257 {
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258 if(pGnssCtrl->dmaRxActive == 0)
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259 {
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260 UART_StartDMA_Receiption(pGnssCtrl);
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261 }
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262 memcpy(pGnssCtrl->pTxBuffer, cmd, len);
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263 UART_AddFletcher(pGnssCtrl->pTxBuffer, len);
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264 len += 2;
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265 if(HAL_OK == HAL_UART_Transmit_DMA(pGnssCtrl->pHandle,pGnssCtrl->pTxBuffer,len))
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266 {
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267 pGnssCtrl->dmaTxActive = 1;
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268 LastCmdRequestTick = HAL_GetTick();
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269 }
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270 }
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271 }
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272 }
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273
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274
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275 void StringToInt(char *pstr, uint32_t *puInt32)
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276 {
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277 uint8_t index = 0;
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278 uint32_t result = 0;
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279 while((pstr[index] >= '0') && (pstr[index] <= '9'))
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280 {
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281 result *=10;
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282 result += pstr[index] - '0';
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283 index++;
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284 }
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285 *puInt32 = result;
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286 }
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287
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288 void StringToUInt64(char *pstr, uint64_t *puint64)
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289 {
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290 uint8_t index = 0;
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291 uint64_t result = 0;
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292 while((pstr[index] >= '0') && (pstr[index] <= '9'))
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293 {
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294 result *=10;
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295 result += pstr[index] - '0';
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296 index++;
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297 }
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298 *puint64 = result;
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299 }
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300
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301 void UART_StartDMA_Receiption(sUartComCtrl* pUartCtrl)
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302 {
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303 if(pUartCtrl->dmaRxActive == 0)
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304 {
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305 if((pUartCtrl->rxWriteIndex / CHUNK_SIZE) == (pUartCtrl->rxReadIndex / CHUNK_SIZE)) /* write pointer catched up with read pointer (should never happen) => Reset read pointer to start of block */
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306 {
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307 pUartCtrl->rxReadIndex = pUartCtrl->rxWriteIndex;
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308 }
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309 if(HAL_OK == HAL_UART_Receive_DMA (pUartCtrl->pHandle, &pUartCtrl->pRxBuffer[pUartCtrl->rxWriteIndex], CHUNK_SIZE))
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310 {
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311 pUartCtrl->dmaRxActive = 1;
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312 }
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313 }
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314 }
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fca2bd25e6e2 Added Sentinel protocoll support:
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315
798
e9eba334b942 Migrated CO2 protocol implementation to new format:
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316 void UART_ChangeBaudrate(uint32_t newBaudrate)
38
5f11787b4f42 include in ostc4 repository
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317 {
918
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318 MX_USART1_UART_DeInit();
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e9eba334b942 Migrated CO2 protocol implementation to new format:
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319 huart1.Init.BaudRate = newBaudrate;
e9eba334b942 Migrated CO2 protocol implementation to new format:
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320 HAL_UART_Init(&huart1);
e9eba334b942 Migrated CO2 protocol implementation to new format:
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321 MX_USART1_DMA_Init();
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322 HAL_NVIC_SetPriority(USART1_IRQn, 1, 3);
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diff changeset
323 HAL_NVIC_EnableIRQ(USART1_IRQn);
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
324
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
325 UART_clearRxBuffer(&Uart1Ctrl);
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
326 Uart1Ctrl.rxReadIndex = 0;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
327 Uart1Ctrl.rxWriteIndex = 0;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
328 Uart1Ctrl.dmaRxActive = 0;
976
0b81ac558e89 Devbugfix UART buffer cleaning:
Ideenmodellierer
parents: 936
diff changeset
329 Uart1Ctrl.dmaTxActive = 0;
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
330 Uart1Ctrl.txBufferQueLen = 0;
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
331 }
690
fca2bd25e6e2 Added Sentinel protocoll support:
Ideenmodellierer
parents: 662
diff changeset
332
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
333 void UART_HandleRxComplete(sUartComCtrl* pUartCtrl)
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
334 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
335 pUartCtrl->dmaRxActive = 0;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
336 pUartCtrl->rxWriteIndex+=CHUNK_SIZE;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
337 if(pUartCtrl->rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
338 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
339 pUartCtrl->rxWriteIndex = 0;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
340 }
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
341 UART_StartDMA_Receiption(pUartCtrl);
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
342 }
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 38
diff changeset
343 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
344 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
345 if(huart == &huart1)
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
346 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
347 UART_HandleRxComplete(&Uart1Ctrl);
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
348 }
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
349 #ifdef ENABLE_GNSS_INTERN
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
350 if(GPIO_GetVersion() > 0)
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
351 {
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
352 if(huart == &huart6)
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
353 {
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
354 UART_HandleRxComplete(&Uart6Ctrl);
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
355 }
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
356 }
922
7c996354b8ac Moved UART6 into a separate unit:
Ideenmodellierer
parents: 921
diff changeset
357 #endif
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
358 }
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
359
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
360 void UART_HandleTxComplete(sUartComCtrl* pUartCtrl)
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
361 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
362 pUartCtrl->dmaTxActive = 0;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
363 UART_WriteData(pUartCtrl);
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
364 if(pUartCtrl->txBufferQueLen)
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
365 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
366 memcpy(pUartCtrl->pTxBuffer, pUartCtrl->pTxQue, pUartCtrl->txBufferQueLen);
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
367 HAL_UART_Transmit_DMA(pUartCtrl->pHandle,pUartCtrl->pTxBuffer,pUartCtrl->txBufferQueLen);
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
368 pUartCtrl->dmaTxActive = 1;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
369 pUartCtrl->txBufferQueLen = 0;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
370 }
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
371 }
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
372 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
373 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
374 if(huart == &huart1)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
375 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
376 UART_HandleTxComplete(&Uart1Ctrl);
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
377 }
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
378 #ifdef ENABLE_GNSS_INTERN
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
379 if(GPIO_GetVersion() > 0)
922
7c996354b8ac Moved UART6 into a separate unit:
Ideenmodellierer
parents: 921
diff changeset
380 {
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
381 if(huart == &huart6)
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
382 {
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
383 UART_HandleTxComplete(&Uart6Ctrl);
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
384 }
922
7c996354b8ac Moved UART6 into a separate unit:
Ideenmodellierer
parents: 921
diff changeset
385 }
7c996354b8ac Moved UART6 into a separate unit:
Ideenmodellierer
parents: 921
diff changeset
386 #endif
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
387 }
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
388
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
389 uint8_t UART_isEndIndication(sUartComCtrl* pCtrl, uint8_t index)
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
390 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
391 uint8_t ret = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
392 if(index % 2)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
393 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
394 if(pCtrl->pRxBuffer[index] == BUFFER_NODATA_HIGH)
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
395 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
396 ret = 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
397 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
398 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
399 else
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
400 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
401 if(pCtrl->pRxBuffer[index] == BUFFER_NODATA_LOW)
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
402 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
403 ret = 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
404 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
405 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
406
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
407 return ret;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
408 }
976
0b81ac558e89 Devbugfix UART buffer cleaning:
Ideenmodellierer
parents: 936
diff changeset
409 void UART_ReadData(uint8_t sensorType, uint8_t flush) /* flush = 1 skips processing of data => data is discarded */
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
410 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
411 uint8_t localRX;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
412 uint8_t futureIndex;
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
413 uint8_t moreData = 0;
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
414
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
415 sUartComCtrl* pUartCtrl;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
416
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
417 if(sensorType == SENSOR_GNSS)
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
418 {
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
419 #ifdef ENABLE_GNSS_INTERN
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
420 pUartCtrl = &Uart6Ctrl;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
421 #else
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
422 #ifdef ENABLE_GNSS_EXTERN
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
423 pUartCtrl = &Uart1Ctrl;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
424 #endif
988
d9290c76b840 OSTC4/5 joined code:
ideenmodellierer
parents: 976
diff changeset
425 #endif
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
426 }
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
427 else
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
428 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
429 pUartCtrl = &Uart1Ctrl;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
430 }
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
431 localRX = pUartCtrl->rxReadIndex;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
432 futureIndex = pUartCtrl->rxReadIndex + 1;
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
433 if(futureIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
434 {
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
435 futureIndex = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
436 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
437
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
438 if(!UART_isEndIndication(pUartCtrl, futureIndex))
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
439 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
440 moreData = 1;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
441 }
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
442
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
443 if((!UART_isEndIndication(pUartCtrl, localRX)) || (moreData))
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
444 do
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
445 {
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
446 while((!UART_isEndIndication(pUartCtrl, localRX)) || (moreData))
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
447 {
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
448 moreData = 0;
1065
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
449 if(flush == 0)
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
450 {
1065
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
451 switch (sensorType)
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
452 {
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
453 case SENSOR_MUX:
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
454 case SENSOR_DIGO2: uartO2_ProcessData(pUartCtrl->pRxBuffer[localRX]);
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
455 break;
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
456 #ifdef ENABLE_CO2_SUPPORT
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
457 case SENSOR_CO2: uartCo2_ProcessData(pUartCtrl->pRxBuffer[localRX]);
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
458 break;
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
459 #endif
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
460 #if defined ENABLE_GNSS_INTERN || defined ENABLE_GNSS_EXTERN
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
461 case SENSOR_GNSS: uartGnss_ProcessData(pUartCtrl->pRxBuffer[localRX]);
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
462 break;
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
463 #endif
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
464 #ifdef ENABLE_SENTINEL_MODE
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
465 case SENSOR_SENTINEL: uartSentinel_ProcessData(pUartCtrl->pRxBuffer[localRX]);
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
466 break;
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
467 #endif
1077
bd8ab302ef4a Added uart support for HUD:
Ideenmodellierer
parents: 1065
diff changeset
468 #ifdef ENABLE_HUD_SUPPORT
bd8ab302ef4a Added uart support for HUD:
Ideenmodellierer
parents: 1065
diff changeset
469 case SENSOR_HUD: uartHUD_ProcessData(pUartCtrl->pRxBuffer[localRX]);
bd8ab302ef4a Added uart support for HUD:
Ideenmodellierer
parents: 1065
diff changeset
470 break;
bd8ab302ef4a Added uart support for HUD:
Ideenmodellierer
parents: 1065
diff changeset
471 #endif
1065
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
472 default:
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
473 break;
1f2067cad41b Mixed sensor operation improvment:
Ideenmodellierer
parents: 1000
diff changeset
474 }
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
475 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
476 if(localRX % 2)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
477 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
478 pUartCtrl->pRxBuffer[localRX] = BUFFER_NODATA_HIGH;
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
479 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
480 else
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
481 {
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
482 pUartCtrl->pRxBuffer[localRX] = BUFFER_NODATA_LOW;
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
483 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
484
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
485 localRX++;
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
486 pUartCtrl->rxReadIndex++;
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
487 if(pUartCtrl->rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
488 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
489 localRX = 0;
932
effadaa3a1f7 Cleanup Gnss UART implementation:
Ideenmodellierer
parents: 922
diff changeset
490 pUartCtrl->rxReadIndex = 0;
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
491 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
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492 futureIndex++;
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493 if(futureIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
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494 {
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495 futureIndex = 0;
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496 }
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497 }
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498 if(!UART_isEndIndication(pUartCtrl, futureIndex))
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499 {
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500 moreData = 1;
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501 }
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502 } while(moreData);
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503 }
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504
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505 void UART_WriteData(sUartComCtrl* pUartCtrl)
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506 {
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507 if(pUartCtrl->pHandle->hdmatx->State == HAL_DMA_STATE_READY)
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508 {
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509 pUartCtrl->pHandle->gState = HAL_UART_STATE_READY;
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510 pUartCtrl->dmaTxActive = 0;
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511 }
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512 if(pUartCtrl->pHandle->hdmarx->State == HAL_DMA_STATE_READY)
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513 {
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514 pUartCtrl->pHandle->RxState = HAL_UART_STATE_READY;
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515 pUartCtrl->dmaRxActive = 0;
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516 }
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517 }
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518
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519 uint8_t UART_isComActive(uint8_t sensorId)
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520 {
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521 uint8_t active = 1;
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522
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523 if(time_elapsed_ms(LastCmdRequestTick, HAL_GetTick()) > 300) /* UART activity should be inactive 300ms after last command */
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524 {
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525 active = 0;
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526 }
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527 return active;
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528 }
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529
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530
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5f11787b4f42 include in ostc4 repository
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531 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/