annotate Small_CPU/Src/uart.c @ 926:875933272056 Evo_2_23 tip

Bugfix sensor de-/activation handling: In the previous version a CO2 sensor could cause a not used analog channel to be displayed. Rootcause was that all sensor type, not only o2 sensors, were used for o2 sensor deactivation evaluation. The deactivation state is the criteria if a value is displayed or not. In the new version only o2 sensor type are used for handling of sensor de-/activation state. In addition the cursor will now be set to the first valid sensor entry in case sensor slot 0 is empty.
author Ideenmodellierer
date Thu, 14 Nov 2024 20:13:18 +0100
parents 7c996354b8ac
children
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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 "externalInterface.h"
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28 #include "data_exchange.h"
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29 #include <string.h> /* memset */
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30
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31 #ifdef ENABLE_GPIO_V2
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32 extern UART_HandleTypeDef huart6;
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33 extern void UART6_RxCpltCallback(UART_HandleTypeDef *huart);
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34 extern void UART6_TxCpltCallback(UART_HandleTypeDef *huart);
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35 #endif
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36
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37 /* Private variables ---------------------------------------------------------*/
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38
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39
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40 #define TX_BUF_SIZE (40u) /* max length for commands */
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41 #define CHUNK_SIZE (25u) /* the DMA will handle chunk size transfers */
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42 #define CHUNKS_PER_BUFFER (6u)
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45
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46 DMA_HandleTypeDef hdma_usart1_rx, hdma_usart1_tx;
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47
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48 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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49 uint8_t txBuffer[CHUNK_SIZE]; /* tx uses less bytes */
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50 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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51 uint8_t txBufferQueLen;
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52
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53 static uint8_t rxWriteIndex; /* Index of the data item which is analysed */
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54 static uint8_t rxReadIndex; /* Index at which new data is stared */
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55 static uint8_t lastCmdIndex; /* Index of last command which has not been completely received */
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56 static uint8_t dmaRxActive; /* Indicator if DMA reception needs to be started */
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57 static uint8_t dmaTxActive; /* Indicator if DMA reception needs to be started */
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58
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59 static uint32_t LastCmdRequestTick = 0; /* Used by ADC handler to avoid interferance with UART communication */
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60
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61 static uint8_t isEndIndication(uint8_t index);
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63 /* Exported functions --------------------------------------------------------*/
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64
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65 void UART_clearRxBuffer(void)
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66 {
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67 uint16_t index = 0;
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68 do
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69 {
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70 rxBuffer[index++] = BUFFER_NODATA_LOW;
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71 rxBuffer[index++] = BUFFER_NODATA_HIGH;
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72 } while (index < sizeof(rxBuffer));
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74 rxReadIndex = 0;
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75 rxWriteIndex = 0;
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76 }
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77
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78 void MX_USART1_UART_Init(void)
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79 {
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80 /* regular init */
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81 huart1.Instance = USART1;
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82 huart1.Init.BaudRate = 19200;
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83 huart1.Init.WordLength = UART_WORDLENGTH_8B;
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84 huart1.Init.StopBits = UART_STOPBITS_1;
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85 huart1.Init.Parity = UART_PARITY_NONE;
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86 huart1.Init.Mode = UART_MODE_TX_RX;
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87 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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88 huart1.Init.OverSampling = UART_OVERSAMPLING_16;
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89
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90 HAL_UART_Init(&huart1);
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91
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92 MX_USART1_DMA_Init();
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93
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94 UART_clearRxBuffer();
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95 rxReadIndex = 0;
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96 lastCmdIndex = 0;
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97 rxWriteIndex = 0;
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98 dmaRxActive = 0;
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99 dmaTxActive = 0;
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100 txBufferQueLen = 0;
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101 }
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102
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104
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105 void MX_USART1_UART_DeInit(void)
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106 {
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107 HAL_DMA_Abort(&hdma_usart1_rx);
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108 HAL_DMA_DeInit(&hdma_usart1_rx);
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109 HAL_DMA_Abort(&hdma_usart1_tx);
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110 HAL_DMA_DeInit(&hdma_usart1_tx);
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111 HAL_UART_DeInit(&huart1);
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112 dmaRxActive = 0;
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113 dmaTxActive = 0;
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114 txBufferQueLen = 0;
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115 }
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116
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117 void MX_USART1_DMA_Init()
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118 {
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119 /* DMA controller clock enable */
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120 __DMA2_CLK_ENABLE();
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121
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122 /* Peripheral DMA init*/
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123 hdma_usart1_rx.Instance = DMA2_Stream5;
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124 hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4;
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125 hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; //DMA_MEMORY_TO_PERIPH;
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126 hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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127 hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
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128 hdma_usart1_rx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE;
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129 hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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130 hdma_usart1_rx.Init.Mode = DMA_NORMAL;
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131 hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
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132 hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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133 HAL_DMA_Init(&hdma_usart1_rx);
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134
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135 __HAL_LINKDMA(&huart1,hdmarx,hdma_usart1_rx);
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136
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137 hdma_usart1_tx.Instance = DMA2_Stream7;
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138 hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
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139 hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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140 hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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141 hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
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142 hdma_usart1_tx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE;
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143 hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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144 hdma_usart1_tx.Init.Mode = DMA_NORMAL;
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145 hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
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146 hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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147 HAL_DMA_Init(&hdma_usart1_tx);
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148
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149 __HAL_LINKDMA(&huart1,hdmatx,hdma_usart1_tx);
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150
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151
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152 /* DMA interrupt init */
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153 HAL_NVIC_SetPriority(DMA2_Stream5_IRQn, 2, 2);
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154 HAL_NVIC_EnableIRQ(DMA2_Stream5_IRQn);
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155 HAL_NVIC_SetPriority(DMA2_Stream7_IRQn, 2, 1);
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156 HAL_NVIC_EnableIRQ(DMA2_Stream7_IRQn);
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157 }
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158
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159 void UART_MUX_SelectAddress(uint8_t muxAddress)
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160 {
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161 uint8_t indexstr[4];
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162
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163 if(muxAddress <= MAX_MUX_CHANNEL)
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164 {
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165 indexstr[0] = '~';
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166 indexstr[1] = muxAddress;
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167 indexstr[2] = 0x0D;
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168 indexstr[3] = 0x0A;
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169 if(!dmaTxActive)
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170 {
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171 memcpy(txBuffer, indexstr, 4);
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172 dmaTxActive = 0;
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173 if(HAL_OK == HAL_UART_Transmit_DMA(&huart1,txBuffer,4))
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174 {
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175 dmaTxActive = 1;
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176 while(dmaTxActive)
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177 {
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178 HAL_Delay(1);
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179 }
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180 }
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181 }
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182 else
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183 {
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184 memcpy(txBufferQue, indexstr, 4);
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185 txBufferQueLen = 4;
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186 }
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187 }
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188 }
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189
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190
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191 void UART_SendCmdString(uint8_t *cmdString)
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192 {
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193 uint8_t cmdLength = strlen((char*)cmdString);
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194
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195 if(dmaTxActive == 0)
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196 {
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197 if(cmdLength < TX_BUF_SIZE) /* A longer string is an indication for a missing 0 termination */
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198 {
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199 if(dmaRxActive == 0)
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200 {
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201 UART_StartDMA_Receiption();
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202 }
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203 memcpy(txBuffer, cmdString, cmdLength);
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204 if(HAL_OK == HAL_UART_Transmit_DMA(&huart1,txBuffer,cmdLength))
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205 {
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206 dmaTxActive = 1;
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207 LastCmdRequestTick = HAL_GetTick();
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208 }
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209 }
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210 }
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211 else
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212 {
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213 memcpy(txBufferQue, cmdString, cmdLength);
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214 txBufferQueLen = cmdLength;
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215 }
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216 }
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217
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218 void UART_SendCmdUbx(const uint8_t *cmd, uint8_t len)
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219 {
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220 if(len < TX_BUF_SIZE) /* A longer string is an indication for a missing 0 termination */
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221 {
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222 if(dmaRxActive == 0)
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223 {
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224 UART_StartDMA_Receiption();
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225 }
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226 memcpy(txBuffer, cmd, len);
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227 if(HAL_OK == HAL_UART_Transmit_DMA(&huart1,txBuffer,len))
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228 {
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229 dmaTxActive = 1;
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230 LastCmdRequestTick = HAL_GetTick();
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231 }
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232 }
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233 }
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234
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235
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236 void StringToInt(char *pstr, uint32_t *puInt32)
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237 {
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238 uint8_t index = 0;
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239 uint32_t result = 0;
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240 while((pstr[index] >= '0') && (pstr[index] <= '9'))
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241 {
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242 result *=10;
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243 result += pstr[index] - '0';
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244 index++;
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245 }
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246 *puInt32 = result;
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247 }
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248
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249 void StringToUInt64(char *pstr, uint64_t *puint64)
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250 {
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251 uint8_t index = 0;
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252 uint64_t result = 0;
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253 while((pstr[index] >= '0') && (pstr[index] <= '9'))
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254 {
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255 result *=10;
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256 result += pstr[index] - '0';
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257 index++;
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258 }
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259 *puint64 = result;
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260 }
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261
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262 void UART_StartDMA_Receiption()
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263 {
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264 if(dmaRxActive == 0)
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265 {
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266 if(((rxWriteIndex / CHUNK_SIZE) != (rxReadIndex / CHUNK_SIZE)) || ((isEndIndication(rxWriteIndex)) && (isEndIndication(rxWriteIndex + 1)))) /* start next transfer if we did not catch up with read index */
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267 {
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268 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE))
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269 {
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270 dmaRxActive = 1;
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271 }
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272 }
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273 }
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274 }
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fca2bd25e6e2 Added Sentinel protocoll support:
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275
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276 void UART_ChangeBaudrate(uint32_t newBaudrate)
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277 {
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278 MX_USART1_UART_DeInit();
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e9eba334b942 Migrated CO2 protocol implementation to new format:
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279 huart1.Init.BaudRate = newBaudrate;
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280 HAL_UART_Init(&huart1);
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281 MX_USART1_DMA_Init();
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282 HAL_NVIC_SetPriority(USART1_IRQn, 1, 3);
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283 HAL_NVIC_EnableIRQ(USART1_IRQn);
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284
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285 UART_clearRxBuffer();
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286 rxReadIndex = 0;
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287 rxWriteIndex = 0;
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288 dmaRxActive = 0;
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289 txBufferQueLen = 0;
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290 }
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fca2bd25e6e2 Added Sentinel protocoll support:
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291
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292 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
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293 {
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294 if(huart == &huart1)
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295 {
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296 dmaRxActive = 0;
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297 rxWriteIndex+=CHUNK_SIZE;
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298 if(rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
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299 {
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300 rxWriteIndex = 0;
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301 }
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302 UART_StartDMA_Receiption();
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303 }
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304 #ifdef ENABLE_GPIO_V2
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305 if(huart == &huart6)
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306 {
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307 UART6_RxCpltCallback(huart);
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308 }
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309 #endif
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310 }
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311 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
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312 {
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313 if(huart == &huart1)
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314 {
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315 dmaTxActive = 0;
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316 UART_WriteData();
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317 if(txBufferQueLen)
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318 {
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319 memcpy(txBuffer, txBufferQue, txBufferQueLen);
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320 HAL_UART_Transmit_DMA(&huart1,txBuffer,txBufferQueLen);
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321 dmaTxActive = 1;
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322 txBufferQueLen = 0;
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323 }
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324 }
922
7c996354b8ac Moved UART6 into a separate unit:
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325 #ifdef ENABLE_GPIO_V2
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326 if(huart == &huart6)
7c996354b8ac Moved UART6 into a separate unit:
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327 {
7c996354b8ac Moved UART6 into a separate unit:
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328 UART6_TxCpltCallback(huart);
7c996354b8ac Moved UART6 into a separate unit:
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329 }
7c996354b8ac Moved UART6 into a separate unit:
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330 #endif
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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331 }
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
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diff changeset
332
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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333 uint8_t isEndIndication(uint8_t index)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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334 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
335 uint8_t ret = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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336 if(index % 2)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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parents: 894
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337 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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338 if(rxBuffer[index] == BUFFER_NODATA_HIGH)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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339 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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340 ret = 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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341 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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342 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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343 else
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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344 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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345 if(rxBuffer[index] == BUFFER_NODATA_LOW)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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346 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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347 ret = 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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348 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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349 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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350
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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351 return ret;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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352 }
794
bb37d4f3e50e Restructure UART based sensor handling:
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353 void UART_ReadData(uint8_t sensorType)
bb37d4f3e50e Restructure UART based sensor handling:
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354 {
bb37d4f3e50e Restructure UART based sensor handling:
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355 uint8_t localRX = rxReadIndex;
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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356 uint8_t futureIndex = rxReadIndex + 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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357 uint8_t moreData = 0;
38
5f11787b4f42 include in ostc4 repository
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358
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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359 if(futureIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
794
bb37d4f3e50e Restructure UART based sensor handling:
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diff changeset
360 {
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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361 futureIndex = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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362 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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363
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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364 if((!isEndIndication(localRX)) || (!isEndIndication(futureIndex))) do
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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365 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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366 while((!isEndIndication(localRX)) || (moreData))
794
bb37d4f3e50e Restructure UART based sensor handling:
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367 {
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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368 moreData = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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369 switch (sensorType)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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370 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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371 case SENSOR_MUX:
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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372 case SENSOR_DIGO2: uartO2_ProcessData(rxBuffer[localRX]);
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373 break;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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374 #ifdef ENABLE_CO2_SUPPORT
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375 case SENSOR_CO2: uartCo2_ProcessData(rxBuffer[localRX]);
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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376 break;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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377 #endif
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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378 #ifdef ENABLE_GNSS_SUPPORT
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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379 case SENSOR_GNSS: uartGnss_ProcessData(rxBuffer[localRX]);
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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380 break;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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381 #endif
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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382 #ifdef ENABLE_SENTINEL_MODE
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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383 case SENSOR_SENTINEL: uartSentinel_ProcessData(rxBuffer[localRX]);
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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384 break;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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385 #endif
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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386 default:
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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387 break;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
388 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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389 if(localRX % 2)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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390 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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391 rxBuffer[localRX] = BUFFER_NODATA_HIGH;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
392 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
393 else
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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parents: 894
diff changeset
394 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
395 rxBuffer[localRX] = BUFFER_NODATA_LOW;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
396 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
397
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
398 localRX++;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
399 rxReadIndex++;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
400 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
401 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
402 localRX = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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parents: 894
diff changeset
403 rxReadIndex = 0;
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 futureIndex++;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
406 if(futureIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
407 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
408 futureIndex = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
409 }
794
bb37d4f3e50e Restructure UART based sensor handling:
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parents: 787
diff changeset
410 }
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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parents: 894
diff changeset
411 if(!isEndIndication(futureIndex))
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
412 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
413 moreData = 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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parents: 894
diff changeset
414 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
415 } while(moreData);
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
416 }
794
bb37d4f3e50e Restructure UART based sensor handling:
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parents: 787
diff changeset
417
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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418 void UART_WriteData(void)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
419 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
420 if(huart1.hdmatx->State == HAL_DMA_STATE_READY)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
421 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
422 huart1.gState = HAL_UART_STATE_READY;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
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diff changeset
423 dmaTxActive = 0;
794
bb37d4f3e50e Restructure UART based sensor handling:
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diff changeset
424 }
918
f72613a152dd Switch external interface tx communication to DMA:
Ideenmodellierer
parents: 916
diff changeset
425 if(huart1.hdmarx->State == HAL_DMA_STATE_READY)
f72613a152dd Switch external interface tx communication to DMA:
Ideenmodellierer
parents: 916
diff changeset
426 {
f72613a152dd Switch external interface tx communication to DMA:
Ideenmodellierer
parents: 916
diff changeset
427 huart1.RxState = HAL_UART_STATE_READY;
f72613a152dd Switch external interface tx communication to DMA:
Ideenmodellierer
parents: 916
diff changeset
428 dmaRxActive = 0;
f72613a152dd Switch external interface tx communication to DMA:
Ideenmodellierer
parents: 916
diff changeset
429 }
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
430 }
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
431
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
432 void UART_FlushRxBuffer(void)
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
433 {
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
434 uint8_t futureIndex = rxReadIndex + 1;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
435
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
436 if(futureIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
437 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
438 futureIndex = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
439 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
440 while((rxBuffer[rxReadIndex] != BUFFER_NODATA_LOW) && (rxBuffer[futureIndex] != BUFFER_NODATA_HIGH))
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
441 {
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
442 if(rxReadIndex % 2)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
443 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
444 rxBuffer[rxReadIndex++] = BUFFER_NODATA_HIGH;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
445 }
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
446 else
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
447 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
448 rxBuffer[rxReadIndex++] = BUFFER_NODATA_LOW;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
449 }
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
450 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
451 {
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
452 rxReadIndex = 0;
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
453 }
916
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
454 futureIndex++;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
455 if(futureIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER)
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
456 {
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
457 futureIndex = 0;
4832981f9af8 External sensor UART: Switch to DMA TX transfers:
Ideenmodellierer
parents: 894
diff changeset
458 }
794
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
459 }
bb37d4f3e50e Restructure UART based sensor handling:
Ideenmodellierer
parents: 787
diff changeset
460 }
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 38
diff changeset
461
861
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
462 uint8_t UART_isComActive(uint8_t sensorId)
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
463 {
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
464 uint8_t active = 1;
809
9602a7338f28 DevBugfix CO2 sensor in streaming mode:
Ideenmodellierer
parents: 803
diff changeset
465
921
eb4109d7d1e9 Improved mix mode ADC conversion:
Ideenmodellierer
parents: 918
diff changeset
466 if(time_elapsed_ms(LastCmdRequestTick, HAL_GetTick()) > 300) /* UART activity should be inactive 300ms after last command */
861
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
467 {
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
468 active = 0;
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
469 }
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
470 return active;
ad96f99ebc78 Synchronize ADC and UART activities:
Ideenmodellierer
parents: 842
diff changeset
471 }
809
9602a7338f28 DevBugfix CO2 sensor in streaming mode:
Ideenmodellierer
parents: 803
diff changeset
472
921
eb4109d7d1e9 Improved mix mode ADC conversion:
Ideenmodellierer
parents: 918
diff changeset
473
38
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
474 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/