Mercurial > public > ostc4
annotate Small_CPU/Src/uartProtocol_GNSS.c @ 921:eb4109d7d1e9 Evo_2_23
Improved mix mode ADC conversion:
Activity of UART sensors may have an impact to ADC measurement. To avoid the ADC trigger was moved into a time window ~300ms after last UART command request => After UART sensor performed measurement but before next measurement is requested. In addition the general ADC measurement cycle has been changed to one second to avoid jitter in the value updates on the display.
| author | Ideenmodellierer |
|---|---|
| date | Sun, 03 Nov 2024 18:19:51 +0100 |
| parents | c0553dd70608 |
| children | 7c996354b8ac |
| rev | line source |
|---|---|
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1 /** |
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2 ****************************************************************************** |
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3 * @file uartProtocol_GNSS.c |
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4 * @author heinrichs weikamp gmbh |
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5 * @version V0.0.1 |
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6 * @date 30-Sep-2024 |
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7 * @brief Interface functionality operation of GNSS devices |
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8 * |
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9 @verbatim |
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10 |
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11 |
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12 @endverbatim |
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13 ****************************************************************************** |
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14 * @attention |
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15 * |
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16 * <h2><center>© COPYRIGHT(c) 2024 heinrichs weikamp</center></h2> |
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17 * |
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18 ****************************************************************************** |
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19 */ |
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20 /* Includes ------------------------------------------------------------------*/ |
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21 |
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22 #include <string.h> |
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23 #include "scheduler.h" |
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24 #include <uartProtocol_GNSS.h> |
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25 #include "uart.h" |
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26 #include "GNSS.h" |
| 919 | 27 #include "configuration.h" |
| 28 #include "externalInterface.h" | |
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29 |
| 919 | 30 #if defined ENABLE_GNSS || defined ENABLE_GNSS_SUPPORT |
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31 |
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32 static receiveStateGnss_t rxState = GNSSRX_READY; |
| 919 | 33 static uint8_t GnssConnected = 0; /* Binary indicator if a sensor is connected or not */ |
| 34 | |
| 35 static uint8_t writeIndex = 0; | |
| 36 | |
| 37 static uint8_t dataToRead = 0; | |
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38 |
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39 void ConvertByteToHexString(uint8_t byte, char* str) |
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40 { |
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41 uint8_t worker = 0; |
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42 uint8_t digit = 0; |
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43 uint8_t digitCnt = 1; |
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44 |
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45 worker = byte; |
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46 while((worker!=0) && (digitCnt != 255)) |
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47 { |
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48 digit = worker % 16; |
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49 if( digit < 10) |
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50 { |
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51 digit += '0'; |
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52 } |
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53 else |
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54 { |
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55 digit += 'A' - 10; |
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56 } |
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57 str[digitCnt--]= digit; |
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58 worker = worker / 16; |
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59 } |
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60 } |
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61 |
| 919 | 62 |
| 63 void uartGnss_SendCmd(uint8_t GnssCmd) | |
| 64 { | |
| 65 uint8_t* pData; | |
| 66 uint8_t txLength = 0; | |
| 67 | |
| 68 switch (GnssCmd) | |
| 69 { | |
| 70 case GNSSCMD_LOADCONF_0: pData = configUBX; | |
| 71 txLength = sizeof(configUBX) / sizeof(uint8_t); | |
| 72 break; | |
| 73 case GNSSCMD_LOADCONF_1: pData = setNMEA410; | |
| 74 txLength = sizeof(setNMEA410) / sizeof(uint8_t); | |
| 75 break; | |
| 76 case GNSSCMD_LOADCONF_2: pData = setGNSS; | |
| 77 txLength = sizeof(setGNSS) / sizeof(uint8_t); | |
| 78 break; | |
| 79 case GNSSCMD_GET_PVT_DATA: pData = getPVTData; | |
| 80 txLength = sizeof(getPVTData) / sizeof(uint8_t); | |
| 81 break; | |
| 82 case GNSSCMD_GET_NAV_DATA: pData = getNavigatorData; | |
| 83 txLength = sizeof(getNavigatorData) / sizeof(uint8_t); | |
| 84 break; | |
| 85 | |
| 86 default: | |
| 87 break; | |
| 88 } | |
| 89 if(txLength != 0) | |
| 90 { | |
| 91 UART_SendCmdUbx(pData, txLength); | |
| 92 } | |
| 93 } | |
| 94 | |
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95 void uartGnss_Control(void) |
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96 { |
| 919 | 97 static uint32_t warmupTick = 0; |
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98 |
| 919 | 99 uint8_t activeSensor = externalInterface_GetActiveUartSensor(); |
| 100 uartGnssStatus_t localComState = externalInterface_GetSensorState(activeSensor + EXT_INTERFACE_MUX_OFFSET); | |
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101 |
| 919 | 102 switch (localComState) |
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103 { |
| 919 | 104 case UART_GNSS_INIT: localComState = UART_GNSS_WARMUP; |
| 105 warmupTick = HAL_GetTick(); | |
| 106 UART_clearRxBuffer(); | |
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107 break; |
| 919 | 108 case UART_GNSS_WARMUP: if(time_elapsed_ms(warmupTick,HAL_GetTick()) > 1000) |
| 109 { | |
| 110 localComState = UART_GNSS_LOADCONF_0; | |
| 111 } | |
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112 break; |
| 919 | 113 case UART_GNSS_LOADCONF_0: uartGnss_SendCmd(GNSSCMD_LOADCONF_0); |
| 114 localComState = UART_GNSS_LOADCONF_1; | |
| 115 rxState = GNSSRX_DETECT_ACK_0; | |
| 116 break; | |
| 117 case UART_GNSS_LOADCONF_1: uartGnss_SendCmd(GNSSCMD_LOADCONF_1); | |
| 118 localComState = UART_GNSS_LOADCONF_2; | |
| 119 rxState = GNSSRX_DETECT_ACK_0; | |
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120 break; |
| 919 | 121 case UART_GNSS_LOADCONF_2: uartGnss_SendCmd(GNSSCMD_LOADCONF_2); |
| 122 localComState = UART_GNSS_IDLE; | |
| 123 rxState = GNSSRX_DETECT_ACK_0; | |
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124 break; |
| 919 | 125 case UART_GNSS_IDLE: uartGnss_SendCmd(GNSSCMD_GET_PVT_DATA); |
| 126 localComState = UART_GNSS_GET_PVT; | |
| 127 rxState = GNSSRX_DETECT_HEADER_0; | |
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128 break; |
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129 default: |
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130 break; |
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131 } |
| 919 | 132 |
| 133 externalInterface_SetSensorState(activeSensor + EXT_INTERFACE_MUX_OFFSET,localComState); | |
| 134 | |
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135 } |
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136 |
| 919 | 137 void uartGnss_ProcessData(uint8_t data) |
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138 { |
| 919 | 139 uint8_t activeSensor = externalInterface_GetActiveUartSensor(); |
| 140 GNSS_Handle.uartWorkingBuffer[writeIndex++] = data; | |
| 141 switch(rxState) | |
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142 { |
| 919 | 143 case GNSSRX_DETECT_ACK_0: |
| 144 case GNSSRX_DETECT_HEADER_0: if(data == 0xB5) | |
| 145 { | |
| 146 writeIndex = 0; | |
| 147 memset(GNSS_Handle.uartWorkingBuffer,0, sizeof(GNSS_Handle.uartWorkingBuffer)); | |
| 148 GNSS_Handle.uartWorkingBuffer[writeIndex++] = data; | |
| 149 rxState++; | |
| 150 } | |
| 151 break; | |
| 152 case GNSSRX_DETECT_ACK_1: | |
| 153 case GNSSRX_DETECT_HEADER_1: if(data == 0x62) | |
| 154 { | |
| 155 rxState++; | |
| 156 } | |
| 157 else | |
| 158 { | |
| 159 rxState = GNSSRX_DETECT_HEADER_0; | |
| 160 } | |
| 161 break; | |
| 162 case GNSSRX_DETECT_ACK_2: if(data == 0x05) | |
| 163 { | |
| 164 rxState++; | |
| 165 } | |
| 166 else | |
| 167 { | |
| 168 rxState = GNSSRX_DETECT_HEADER_0; | |
| 169 } | |
| 170 break; | |
| 171 case GNSSRX_DETECT_ACK_3: if((data == 0x01) || (data == 0x00)) | |
| 172 { | |
| 173 GnssConnected = 1; | |
| 174 rxState = GNSSRX_READY; | |
| 175 } | |
| 176 else | |
| 177 { | |
| 178 rxState = GNSSRX_DETECT_HEADER_0; | |
| 179 } | |
| 180 break; | |
| 181 case GNSSRX_DETECT_HEADER_2: if(data == 0x01) | |
| 182 { | |
| 183 rxState++; | |
| 184 } | |
| 185 else | |
| 186 { | |
| 187 rxState = GNSSRX_DETECT_HEADER_0; | |
| 188 } | |
| 189 break; | |
| 190 case GNSSRX_DETECT_HEADER_3: | |
| 191 switch(data) | |
| 192 { | |
| 193 case 0x21: rxState = GNSSRX_READ_NAV_DATA; | |
| 194 dataToRead = 20; | |
| 195 break; | |
| 196 case 0x07: rxState = GNSSRX_READ_PVT_DATA; | |
| 197 dataToRead = 92; | |
| 198 break; | |
| 199 case 0x02: rxState = GNSSRX_READ_POSLLH_DATA; | |
| 200 break; | |
| 201 default: rxState = GNSSRX_DETECT_HEADER_0; | |
| 202 break; | |
| 203 } | |
| 204 break; | |
| 205 case GNSSRX_READ_NAV_DATA: | |
| 206 case GNSSRX_READ_PVT_DATA: | |
| 207 case GNSSRX_READ_POSLLH_DATA: if(dataToRead > 0) | |
| 208 { | |
| 209 dataToRead--; | |
| 210 } | |
| 211 else | |
| 212 { | |
| 213 switch(rxState) | |
| 214 { | |
| 215 case GNSSRX_READ_NAV_DATA: GNSS_ParseNavigatorData(&GNSS_Handle); | |
| 216 break; | |
| 217 case GNSSRX_READ_PVT_DATA: GNSS_ParsePVTData(&GNSS_Handle); | |
| 218 break; | |
| 219 case GNSSRX_READ_POSLLH_DATA: GNSS_ParsePOSLLHData(&GNSS_Handle); | |
| 220 break; | |
| 221 default: rxState = GNSSRX_DETECT_HEADER_0; | |
| 222 break; | |
| 223 } | |
| 224 rxState = GNSSRX_DETECT_HEADER_0; | |
| 225 externalInterface_SetSensorState(activeSensor + EXT_INTERFACE_MUX_OFFSET,UART_GNSS_IDLE); | |
| 226 } | |
| 227 break; | |
| 228 default: rxState = GNSSRX_READY; | |
| 229 break; | |
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230 } |
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231 } |
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232 |
| 919 | 233 uint8_t uartGnss_isSensorConnected() |
| 234 { | |
| 235 return GnssConnected; | |
| 236 } | |
| 237 | |
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238 #endif |
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239 |