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Rev | Author | Line No. | Line |
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2108 | - | 1 | #include <avr/io.h> |
2 | #include <avr/interrupt.h> |
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3 | #include <avr/wdt.h> |
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4 | #include <avr/pgmspace.h> |
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5 | #include <stdarg.h> |
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6 | #include <string.h> |
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7 | |||
8 | #include "eeprom.h" |
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9 | #include "timer0.h" |
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10 | #include "uart0.h" |
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11 | #include "rc.h" |
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12 | #include "externalControl.h" |
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13 | #include "output.h" |
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14 | #include "attitude.h" |
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15 | #include "commands.h" |
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2132 | - | 16 | #include "main.h" |
2108 | - | 17 | |
18 | #define FC_ADDRESS 1 |
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19 | #define NC_ADDRESS 2 |
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20 | #define MK3MAG_ADDRESS 3 |
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21 | |||
22 | #define FALSE 0 |
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23 | #define TRUE 1 |
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24 | |||
25 | int8_t displayBuff[DISPLAYBUFFSIZE]; |
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26 | uint8_t dispPtr = 0; |
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27 | |||
28 | uint8_t requestedDebugLabel = 255; |
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29 | uint8_t request_verInfo = FALSE; |
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30 | uint8_t request_externalControl = FALSE; |
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31 | uint8_t request_debugData = FALSE; |
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32 | uint8_t request_data3D = FALSE; |
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33 | uint8_t request_PPMChannels = FALSE; |
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34 | uint8_t request_servoTest = FALSE; |
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35 | uint8_t request_variables = FALSE; |
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36 | uint8_t request_OSD = FALSE; |
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37 | |||
38 | /* |
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39 | #define request_verInfo (1<<0) |
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40 | #define request_externalControl (1<<1) |
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41 | #define request_display (1<<3) |
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42 | #define request_display1 (1<<4) |
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43 | #define request_debugData (1<<5) |
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44 | #define request_data3D (1<<6) |
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45 | #define request_PPMChannels (1<<7) |
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46 | #define request_motorTest (1<<8) |
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47 | #define request_variables (1<<9) |
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48 | #define request_OSD (1<<10) |
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49 | */ |
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50 | |||
51 | //uint16_t request = 0; |
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52 | |||
53 | volatile uint8_t txd_buffer[TXD_BUFFER_LEN]; |
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54 | volatile uint8_t rxd_buffer_locked = FALSE; |
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55 | volatile uint8_t rxd_buffer[RXD_BUFFER_LEN]; |
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56 | volatile uint8_t txd_complete = TRUE; |
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57 | volatile uint8_t receivedBytes = 0; |
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58 | volatile uint8_t *pRxData = 0; |
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59 | volatile uint8_t rxDataLen = 0; |
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60 | |||
61 | uint8_t servoTestActive = 0; |
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62 | uint8_t servoTest[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
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63 | uint8_t confirmFrame; |
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64 | |||
65 | typedef struct { |
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66 | int16_t heading; |
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67 | }__attribute__((packed)) Heading_t; |
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68 | |||
69 | Data3D_t data3D; |
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70 | |||
71 | uint16_t debugData_timer; |
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72 | uint16_t data3D_timer; |
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73 | uint16_t OSD_timer; |
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74 | uint16_t debugData_interval = 0; // in 1ms |
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75 | uint16_t data3D_interval = 0; // in 1ms |
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76 | uint16_t OSD_interval = 0; |
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77 | |||
78 | #ifdef USE_DIRECT_GPS |
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79 | int16_t toMk3MagTimer; |
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80 | #endif |
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81 | |||
82 | // keep lables in flash to save 512 bytes of sram space |
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83 | const prog_uint8_t ANALOG_LABEL[32][16] = { |
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84 | //1234567890123456 |
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85 | "Gyro P ", //0 |
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86 | "Gyro R ", |
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87 | "Gyro Y ", |
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88 | "Attitude P ", |
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89 | "Attitude R ", |
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90 | "Attitude Y ", //5 |
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91 | "Target P ", |
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92 | "Target R ", |
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93 | "Target Y ", |
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94 | "Error P ", |
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95 | "Error R ", //10 |
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96 | "Error Y ", |
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97 | "Term P ", |
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98 | "Term R ", |
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99 | "Throttle ", |
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100 | "Term Y ", //15 |
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101 | "Flight mode ", |
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2109 | - | 102 | "Ultralow thr. ", |
103 | "Var0 ", |
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104 | "Var1 ", |
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2108 | - | 105 | "RC P ", //20 |
106 | "RC R ", |
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107 | "RC T ", |
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108 | "RC Y ", |
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109 | "Servo P ", |
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110 | "Servo R ", //25 |
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111 | "Servo T ", |
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112 | "Servo Y ", |
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2109 | - | 113 | "I2C cycles ", |
114 | "I2C restarts ", |
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2108 | - | 115 | " ", //30 |
116 | " " |
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117 | }; |
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118 | |||
119 | /****************************************************************/ |
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120 | /* Initialization of the USART0 */ |
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121 | /****************************************************************/ |
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122 | void usart0_init(void) { |
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123 | uint8_t sreg = SREG; |
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2133 | - | 124 | uint16_t ubrr = (uint16_t) ((uint32_t) F_CPU / (8 * USART0_BAUD) - 1); |
2108 | - | 125 | |
126 | // disable all interrupts before configuration |
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127 | cli(); |
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128 | |||
129 | // disable RX-Interrupt |
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130 | UCSR0B &= ~(1 << RXCIE0); |
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131 | // disable TX-Interrupt |
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132 | UCSR0B &= ~(1 << TXCIE0); |
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133 | |||
134 | // set direction of RXD0 and TXD0 pins |
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135 | // set RXD0 (PD0) as an input pin |
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136 | PORTD |= (1 << PORTD0); |
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137 | DDRD &= ~(1 << DDD0); |
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138 | // set TXD0 (PD1) as an output pin |
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139 | PORTD |= (1 << PORTD1); |
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140 | DDRD |= (1 << DDD1); |
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141 | |||
142 | // USART0 Baud Rate Register |
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143 | // set clock divider |
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144 | UBRR0H = (uint8_t) (ubrr >> 8); |
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145 | UBRR0L = (uint8_t) ubrr; |
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146 | |||
147 | // USART0 Control and Status Register A, B, C |
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148 | |||
149 | // enable double speed operation in |
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150 | UCSR0A |= (1 << U2X0); |
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151 | // enable receiver and transmitter in |
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152 | UCSR0B = (1 << TXEN0) | (1 << RXEN0); |
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153 | // set asynchronous mode |
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154 | UCSR0C &= ~(1 << UMSEL01); |
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155 | UCSR0C &= ~(1 << UMSEL00); |
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156 | // no parity |
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157 | UCSR0C &= ~(1 << UPM01); |
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158 | UCSR0C &= ~(1 << UPM00); |
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159 | // 1 stop bit |
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160 | UCSR0C &= ~(1 << USBS0); |
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161 | // 8-bit |
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162 | UCSR0B &= ~(1 << UCSZ02); |
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163 | UCSR0C |= (1 << UCSZ01); |
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164 | UCSR0C |= (1 << UCSZ00); |
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165 | |||
166 | // flush receive buffer |
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167 | while (UCSR0A & (1 << RXC0)) |
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168 | UDR0; |
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169 | |||
170 | // enable interrupts at the end |
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171 | // enable RX-Interrupt |
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172 | UCSR0B |= (1 << RXCIE0); |
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173 | // enable TX-Interrupt |
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174 | UCSR0B |= (1 << TXCIE0); |
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175 | |||
176 | // initialize the debug timer |
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177 | debugData_timer = setDelay(debugData_interval); |
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178 | |||
179 | // unlock rxd_buffer |
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180 | rxd_buffer_locked = FALSE; |
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181 | pRxData = 0; |
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182 | rxDataLen = 0; |
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183 | |||
184 | // no bytes to send |
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185 | txd_complete = TRUE; |
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186 | |||
187 | versionInfo.SWMajor = VERSION_MAJOR; |
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188 | versionInfo.SWMinor = VERSION_MINOR; |
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189 | versionInfo.SWPatch = VERSION_PATCH; |
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190 | versionInfo.protoMajor = VERSION_SERIAL_MAJOR; |
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191 | versionInfo.protoMinor = VERSION_SERIAL_MINOR; |
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192 | |||
193 | // restore global interrupt flags |
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194 | SREG = sreg; |
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195 | } |
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196 | |||
197 | /****************************************************************/ |
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198 | /* USART0 transmitter ISR */ |
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199 | /****************************************************************/ |
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200 | ISR(USART_TX_vect) { |
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201 | static uint16_t ptr_txd_buffer = 0; |
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202 | uint8_t tmp_tx; |
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203 | if (!txd_complete) { // transmission not completed |
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204 | ptr_txd_buffer++; // die [0] wurde schon gesendet |
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205 | tmp_tx = txd_buffer[ptr_txd_buffer]; |
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206 | // if terminating character or end of txd buffer was reached |
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207 | if ((tmp_tx == '\r') || (ptr_txd_buffer == TXD_BUFFER_LEN)) { |
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208 | ptr_txd_buffer = 0; // reset txd pointer |
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209 | txd_complete = 1; // stop transmission |
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210 | } |
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211 | UDR0 = tmp_tx; // send current byte will trigger this ISR again |
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212 | } |
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213 | // transmission completed |
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214 | else |
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215 | ptr_txd_buffer = 0; |
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216 | } |
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217 | |||
218 | /****************************************************************/ |
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219 | /* USART0 receiver ISR */ |
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220 | /****************************************************************/ |
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221 | ISR(USART_RX_vect) { |
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222 | static uint16_t checksum; |
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223 | static uint8_t ptr_rxd_buffer = 0; |
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224 | uint8_t checksum1, checksum2; |
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225 | uint8_t c; |
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226 | |||
227 | c = UDR0; // catch the received byte |
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228 | |||
229 | if (rxd_buffer_locked) |
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230 | return; // if rxd buffer is locked immediately return |
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231 | |||
232 | // the rxd buffer is unlocked |
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233 | if ((ptr_rxd_buffer == 0) && (c == '#')) { // if rxd buffer is empty and syncronisation character is received |
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234 | rxd_buffer[ptr_rxd_buffer++] = c; // copy 1st byte to buffer |
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235 | checksum = c; // init checksum |
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236 | } |
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237 | else if (ptr_rxd_buffer < RXD_BUFFER_LEN) { // collect incomming bytes |
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238 | if (c != '\r') { // no termination character |
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239 | rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer |
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240 | checksum += c; // update checksum |
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241 | } else { // termination character was received |
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242 | // the last 2 bytes are no subject for checksum calculation |
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243 | // they are the checksum itself |
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244 | checksum -= rxd_buffer[ptr_rxd_buffer - 2]; |
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245 | checksum -= rxd_buffer[ptr_rxd_buffer - 1]; |
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246 | // calculate checksum from transmitted data |
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247 | checksum %= 4096; |
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248 | checksum1 = '=' + checksum / 64; |
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249 | checksum2 = '=' + checksum % 64; |
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250 | // compare checksum to transmitted checksum bytes |
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251 | if ((checksum1 == rxd_buffer[ptr_rxd_buffer - 2]) && (checksum2 |
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252 | == rxd_buffer[ptr_rxd_buffer - 1])) { |
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253 | // checksum valid |
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254 | rxd_buffer[ptr_rxd_buffer] = '\r'; // set termination character |
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255 | receivedBytes = ptr_rxd_buffer + 1;// store number of received bytes |
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256 | rxd_buffer_locked = TRUE; // lock the rxd buffer |
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257 | // if 2nd byte is an 'R' enable watchdog that will result in an reset |
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258 | if (rxd_buffer[2] == 'R') { |
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2132 | - | 259 | reset(); |
260 | } |
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2108 | - | 261 | } else { // checksum invalid |
262 | rxd_buffer_locked = FALSE; // unlock rxd buffer |
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263 | } |
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264 | ptr_rxd_buffer = 0; // reset rxd buffer pointer |
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265 | } |
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266 | } else { // rxd buffer overrun |
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267 | ptr_rxd_buffer = 0; // reset rxd buffer |
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268 | rxd_buffer_locked = FALSE; // unlock rxd buffer |
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269 | } |
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270 | } |
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271 | |||
272 | // -------------------------------------------------------------------------- |
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273 | void addChecksum(uint16_t datalen) { |
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274 | uint16_t tmpchecksum = 0, i; |
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275 | for (i = 0; i < datalen; i++) { |
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276 | tmpchecksum += txd_buffer[i]; |
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277 | } |
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278 | tmpchecksum %= 4096; |
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279 | txd_buffer[i++] = '=' + (tmpchecksum >> 6); |
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280 | txd_buffer[i++] = '=' + (tmpchecksum & 0x3F); |
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281 | txd_buffer[i++] = '\r'; |
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282 | txd_complete = FALSE; |
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283 | UDR0 = txd_buffer[0]; // initiates the transmittion (continued in the TXD ISR) |
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284 | } |
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285 | |||
286 | // -------------------------------------------------------------------------- |
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287 | // application example: |
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288 | // sendOutData('A', FC_ADDRESS, 2, (uint8_t *)&request_DebugLabel, sizeof(request_DebugLabel), label, 16); |
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289 | /* |
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290 | void sendOutData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...) { // uint8_t *pdata, uint8_t len, ... |
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291 | va_list ap; |
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292 | uint16_t txd_bufferIndex = 0; |
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293 | uint8_t *currentBuffer; |
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294 | uint8_t currentBufferIndex; |
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295 | uint16_t lengthOfCurrentBuffer; |
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296 | uint8_t shift = 0; |
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297 | |||
298 | txd_buffer[txd_bufferIndex++] = '#'; // Start character |
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299 | txd_buffer[txd_bufferIndex++] = 'a' + addr; // Address (a=0; b=1,...) |
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300 | txd_buffer[txd_bufferIndex++] = cmd; // Command |
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301 | |||
302 | va_start(ap, numofbuffers); |
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303 | |||
304 | while(numofbuffers) { |
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305 | currentBuffer = va_arg(ap, uint8_t*); |
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306 | lengthOfCurrentBuffer = va_arg(ap, int); |
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307 | currentBufferIndex = 0; |
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308 | // Encode data: 3 bytes of data are encoded into 4 bytes, |
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309 | // where the 2 most significant bits are both 0. |
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310 | while(currentBufferIndex != lengthOfCurrentBuffer) { |
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311 | if (!shift) txd_buffer[txd_bufferIndex] = 0; |
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312 | txd_buffer[txd_bufferIndex] |= currentBuffer[currentBufferIndex] >> (shift + 2); |
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313 | txd_buffer[++txd_bufferIndex] = (currentBuffer[currentBufferIndex] << (4 - shift)) & 0b00111111; |
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314 | shift += 2; |
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315 | if (shift == 6) { shift=0; txd_bufferIndex++; } |
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316 | currentBufferIndex++; |
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317 | } |
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318 | } |
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319 | // If the number of data bytes was not divisible by 3, stuff |
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320 | // with 0 pseudodata until length is again divisible by 3. |
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321 | if (shift == 2) { |
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322 | // We need to stuff with zero bytes at the end. |
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323 | txd_buffer[txd_bufferIndex] &= 0b00110000; |
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324 | txd_buffer[++txd_bufferIndex] = 0; |
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325 | shift = 4; |
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326 | } |
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327 | if (shift == 4) { |
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328 | // We need to stuff with zero bytes at the end. |
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329 | txd_buffer[txd_bufferIndex++] &= 0b00111100; |
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330 | txd_buffer[txd_bufferIndex] = 0; |
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331 | } |
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332 | va_end(ap); |
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333 | Addchecksum(pt); // add checksum after data block and initates the transmission |
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334 | } |
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335 | */ |
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336 | |||
337 | void sendOutData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...) { // uint8_t *pdata, uint8_t len, ... |
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338 | va_list ap; |
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339 | uint16_t pt = 0; |
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340 | uint8_t a, b, c; |
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341 | uint8_t ptr = 0; |
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342 | |||
343 | uint8_t *pdata = 0; |
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344 | int len = 0; |
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345 | |||
346 | txd_buffer[pt++] = '#'; // Start character |
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347 | txd_buffer[pt++] = 'a' + addr; // Address (a=0; b=1,...) |
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348 | txd_buffer[pt++] = cmd; // Command |
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349 | |||
350 | va_start(ap, numofbuffers); |
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351 | |||
352 | if (numofbuffers) { |
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353 | pdata = va_arg(ap, uint8_t*); |
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354 | len = va_arg(ap, int); |
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355 | ptr = 0; |
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356 | numofbuffers--; |
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357 | } |
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358 | |||
359 | while (len) { |
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360 | if (len) { |
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361 | a = pdata[ptr++]; |
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362 | len--; |
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363 | if ((!len) && numofbuffers) { |
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364 | pdata = va_arg(ap, uint8_t*); |
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365 | len = va_arg(ap, int); |
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366 | ptr = 0; |
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367 | numofbuffers--; |
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368 | } |
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369 | } else |
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370 | a = 0; |
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371 | if (len) { |
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372 | b = pdata[ptr++]; |
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373 | len--; |
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374 | if ((!len) && numofbuffers) { |
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375 | pdata = va_arg(ap, uint8_t*); |
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376 | len = va_arg(ap, int); |
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377 | ptr = 0; |
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378 | numofbuffers--; |
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379 | } |
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380 | } else |
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381 | b = 0; |
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382 | if (len) { |
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383 | c = pdata[ptr++]; |
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384 | len--; |
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385 | if ((!len) && numofbuffers) { |
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386 | pdata = va_arg(ap, uint8_t*); |
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387 | len = va_arg(ap, int); |
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388 | ptr = 0; |
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389 | numofbuffers--; |
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390 | } |
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391 | } else |
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392 | c = 0; |
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393 | txd_buffer[pt++] = '=' + (a >> 2); |
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394 | txd_buffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4)); |
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395 | txd_buffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6)); |
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396 | txd_buffer[pt++] = '=' + (c & 0x3f); |
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397 | } |
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398 | va_end(ap); |
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399 | addChecksum(pt); // add checksum after data block and initates the transmission |
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400 | } |
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401 | |||
402 | // -------------------------------------------------------------------------- |
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403 | void decode64(void) { |
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404 | uint8_t a, b, c, d; |
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405 | uint8_t x, y, z; |
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406 | uint8_t ptrIn = 3; |
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407 | uint8_t ptrOut = 3; |
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408 | uint8_t len = receivedBytes - 6; |
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409 | |||
410 | while (len) { |
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411 | a = rxd_buffer[ptrIn++] - '='; |
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412 | b = rxd_buffer[ptrIn++] - '='; |
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413 | c = rxd_buffer[ptrIn++] - '='; |
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414 | d = rxd_buffer[ptrIn++] - '='; |
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415 | //if(ptrIn > ReceivedBytes - 3) break; |
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416 | |||
417 | x = (a << 2) | (b >> 4); |
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418 | y = ((b & 0x0f) << 4) | (c >> 2); |
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419 | z = ((c & 0x03) << 6) | d; |
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420 | |||
421 | if (len--) |
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422 | rxd_buffer[ptrOut++] = x; |
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423 | else |
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424 | break; |
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425 | if (len--) |
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426 | rxd_buffer[ptrOut++] = y; |
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427 | else |
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428 | break; |
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429 | if (len--) |
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430 | rxd_buffer[ptrOut++] = z; |
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431 | else |
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432 | break; |
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433 | } |
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434 | pRxData = &rxd_buffer[3]; |
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435 | rxDataLen = ptrOut - 3; |
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436 | } |
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437 | |||
438 | // -------------------------------------------------------------------------- |
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439 | void usart0_processRxData(void) { |
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440 | // We control the servoTestActive var from here: Count it down. |
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441 | if (servoTestActive) |
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442 | servoTestActive--; |
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443 | // if data in the rxd buffer are not locked immediately return |
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444 | if (!rxd_buffer_locked) |
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445 | return; |
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446 | uint8_t tempchar[3]; |
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447 | decode64(); // decode data block in rxd_buffer |
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448 | |||
449 | switch (rxd_buffer[1] - 'a') { |
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450 | |||
451 | case FC_ADDRESS: |
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452 | switch (rxd_buffer[2]) { |
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453 | #ifdef USE_DIRECT_GPS |
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454 | case 'K':// compass value |
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455 | // What is the point of this - the compass will overwrite this soon? |
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456 | magneticHeading = ((Heading_t *)pRxData)->heading; |
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457 | // compassOffCourse = ((540 + compassHeading - compassCourse) % 360) - 180; |
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458 | break; |
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459 | #endif |
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460 | case 't': // motor test |
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461 | if (rxDataLen > 20) { |
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462 | memcpy(&servoTest[0], (uint8_t*) pRxData, sizeof(servoTest)); |
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463 | } else { |
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464 | memcpy(&servoTest[0], (uint8_t*) pRxData, 4); |
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465 | } |
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466 | servoTestActive = 255; |
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467 | externalControlActive = 255; |
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468 | break; |
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469 | |||
470 | case 'p': // get PPM channels |
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471 | request_PPMChannels = TRUE; |
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472 | break; |
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473 | |||
474 | case 'i':// Read IMU configuration |
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475 | tempchar[0] = IMUCONFIG_REVISION; |
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476 | tempchar[1] = sizeof(IMUConfig); |
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477 | while (!txd_complete) |
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478 | ; // wait for previous frame to be sent |
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479 | sendOutData('I', FC_ADDRESS, 2, &tempchar, 2, (uint8_t *) &IMUConfig, sizeof(IMUConfig)); |
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480 | break; |
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481 | |||
482 | case 'j':// Save IMU configuration |
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483 | if (!isFlying) // save settings only if motors are off |
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484 | { |
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485 | if ((pRxData[0] == IMUCONFIG_REVISION) && (pRxData[1] == sizeof(IMUConfig))) { |
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486 | memcpy(&IMUConfig, (uint8_t*) &pRxData[2], sizeof(IMUConfig)); |
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487 | IMUConfig_writeToEEprom(); |
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488 | tempchar[0] = 1; //indicate ok data |
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489 | } else { |
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490 | tempchar[0] = 0; //indicate bad data |
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491 | } |
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492 | while (!txd_complete) |
||
493 | ; // wait for previous frame to be sent |
||
494 | sendOutData('J', FC_ADDRESS, 1, &tempchar, 1); |
||
495 | } |
||
496 | break; |
||
497 | |||
498 | case 'q':// request settings |
||
499 | if (pRxData[0] == 0xFF) { |
||
500 | pRxData[0] = getParamByte(PID_ACTIVE_SET); |
||
501 | } |
||
502 | // limit settings range |
||
503 | if (pRxData[0] < 1) |
||
504 | pRxData[0] = 1; // limit to 1 |
||
505 | else if (pRxData[0] > 5) |
||
506 | pRxData[0] = 5; // limit to 5 |
||
507 | // load requested parameter set |
||
508 | |||
509 | paramSet_readFromEEProm(pRxData[0]); |
||
510 | |||
511 | tempchar[0] = pRxData[0]; |
||
512 | tempchar[1] = EEPARAM_REVISION; |
||
513 | tempchar[2] = sizeof(staticParams); |
||
514 | while (!txd_complete) |
||
515 | ; // wait for previous frame to be sent |
||
516 | sendOutData('Q', FC_ADDRESS, 2, &tempchar, 3, (uint8_t *) &staticParams, sizeof(staticParams)); |
||
517 | break; |
||
518 | |||
519 | case 's': // save settings |
||
520 | if (!isFlying) // save settings only if motors are off |
||
521 | { |
||
522 | if ((pRxData[1] == EEPARAM_REVISION) && (pRxData[2] == sizeof(staticParams))) // check for setting to be in range and version of settings |
||
523 | { |
||
524 | memcpy(&staticParams, (uint8_t*) &pRxData[3], sizeof(staticParams)); |
||
525 | paramSet_writeToEEProm(1); |
||
526 | configuration_paramSetDidChange(); |
||
527 | tempchar[0] = 1; |
||
528 | beepNumber(tempchar[0]); |
||
529 | } else { |
||
530 | tempchar[0] = 0; //indicate bad data |
||
531 | } |
||
532 | while (!txd_complete) |
||
533 | ; // wait for previous frame to be sent |
||
534 | sendOutData('S', FC_ADDRESS, 1, &tempchar, 1); |
||
535 | } |
||
536 | break; |
||
537 | |||
538 | default: |
||
539 | //unsupported command received |
||
540 | break; |
||
541 | } // case FC_ADDRESS: |
||
542 | |||
543 | default: // any Slave Address |
||
544 | switch (rxd_buffer[2]) { |
||
545 | case 'a':// request for labels of the analog debug outputs |
||
546 | requestedDebugLabel = pRxData[0]; |
||
547 | if (requestedDebugLabel > 31) |
||
548 | requestedDebugLabel = 31; |
||
549 | break; |
||
550 | |||
551 | case 'b': // submit extern control |
||
552 | memcpy(&externalControl, (uint8_t*) pRxData, sizeof(externalControl)); |
||
553 | confirmFrame = externalControl.frame; |
||
554 | externalControlActive = 255; |
||
555 | break; |
||
556 | |||
557 | case 'o':// request for OSD data (FC style) |
||
558 | OSD_interval = (uint16_t) pRxData[0] * 10; |
||
559 | if (OSD_interval > 0) |
||
560 | request_OSD = TRUE; |
||
561 | break; |
||
562 | |||
563 | case 'v': // request for version and board release |
||
564 | request_verInfo = TRUE; |
||
565 | break; |
||
566 | |||
567 | case 'x': |
||
568 | request_variables = TRUE; |
||
569 | break; |
||
570 | |||
571 | case 'g':// get external control data |
||
572 | request_externalControl = TRUE; |
||
573 | break; |
||
574 | |||
575 | case 'd': // request for the debug data |
||
576 | debugData_interval = (uint16_t) pRxData[0] * 10; |
||
577 | if (debugData_interval > 0) |
||
578 | request_debugData = TRUE; |
||
579 | break; |
||
580 | |||
581 | case 'c': // request for the 3D data |
||
582 | data3D_interval = (uint16_t) pRxData[0] * 10; |
||
583 | if (data3D_interval > 0) |
||
584 | request_data3D = TRUE; |
||
585 | break; |
||
586 | |||
587 | default: |
||
588 | //unsupported command received |
||
589 | break; |
||
590 | } |
||
591 | break; // default: |
||
592 | } |
||
593 | // unlock the rxd buffer after processing |
||
594 | pRxData = 0; |
||
595 | rxDataLen = 0; |
||
596 | rxd_buffer_locked = FALSE; |
||
597 | } |
||
598 | |||
599 | /************************************************************************/ |
||
600 | /* Routine f�r die Serielle Ausgabe */ |
||
601 | /************************************************************************/ |
||
602 | int16_t uart_putchar(int8_t c) { |
||
603 | if (c == '\n') |
||
604 | uart_putchar('\r'); |
||
605 | // wait until previous character was send |
||
606 | loop_until_bit_is_set(UCSR0A, UDRE0); |
||
607 | // send character |
||
608 | UDR0 = c; |
||
609 | return (0); |
||
610 | } |
||
611 | |||
612 | //--------------------------------------------------------------------------------------------- |
||
613 | void usart0_transmitTxData(void) { |
||
614 | if (!txd_complete) |
||
615 | return; |
||
616 | |||
617 | if (request_verInfo && txd_complete) { |
||
618 | sendOutData('V', FC_ADDRESS, 1, (uint8_t *) &versionInfo, sizeof(versionInfo)); |
||
619 | request_verInfo = FALSE; |
||
620 | } |
||
621 | |||
622 | if (requestedDebugLabel != 0xFF && txd_complete) { // Texte f�r die Analogdaten |
||
623 | uint8_t label[16]; // local sram buffer |
||
624 | memcpy_P(label, ANALOG_LABEL[requestedDebugLabel], 16); // read lable from flash to sram buffer |
||
625 | sendOutData('A', FC_ADDRESS, 2, (uint8_t *) &requestedDebugLabel, |
||
626 | sizeof(requestedDebugLabel), label, 16); |
||
627 | requestedDebugLabel = 0xFF; |
||
628 | } |
||
629 | |||
630 | if (confirmFrame && txd_complete) { // Datensatz ohne checksum best�tigen |
||
631 | sendOutData('B', FC_ADDRESS, 1, (uint8_t*) &confirmFrame, sizeof(confirmFrame)); |
||
632 | confirmFrame = 0; |
||
633 | } |
||
634 | |||
635 | if (((debugData_interval && checkDelay(debugData_timer)) || request_debugData) |
||
636 | && txd_complete) { |
||
637 | sendOutData('D', FC_ADDRESS, 1, (uint8_t *) &debugOut, sizeof(debugOut)); |
||
638 | debugData_timer = setDelay(debugData_interval); |
||
639 | request_debugData = FALSE; |
||
640 | } |
||
641 | |||
642 | if (((data3D_interval && checkDelay(data3D_timer)) || request_data3D) && txd_complete) { |
||
643 | sendOutData('C', FC_ADDRESS, 1, (uint8_t *) &data3D, sizeof(data3D)); |
||
644 | data3D.anglePitch = (int16_t) (attitude[PITCH] / (GYRO_DEG_FACTOR/10)); // convert to multiple of 0.1 deg |
||
645 | data3D.angleRoll = (int16_t) (attitude[ROLL] / (GYRO_DEG_FACTOR/10)); // convert to multiple of 0.1 deg |
||
646 | data3D.heading = (int16_t) (attitude[YAW] / (GYRO_DEG_FACTOR/10)); // convert to multiple of 0.1 deg |
||
647 | data3D_timer = setDelay(data3D_interval); |
||
648 | request_data3D = FALSE; |
||
649 | } |
||
650 | |||
651 | if (request_externalControl && txd_complete) { |
||
652 | sendOutData('G', FC_ADDRESS, 1, (uint8_t *) &externalControl, |
||
653 | sizeof(externalControl)); |
||
654 | request_externalControl = FALSE; |
||
655 | } |
||
656 | |||
657 | |||
658 | if (request_servoTest && txd_complete) { |
||
659 | sendOutData('T', FC_ADDRESS, 0); |
||
660 | request_servoTest = FALSE; |
||
661 | } |
||
662 | |||
663 | if (request_PPMChannels && txd_complete) { |
||
664 | sendOutData('P', FC_ADDRESS, 1, (uint8_t *) &PPM_in, sizeof(PPM_in)); |
||
665 | request_PPMChannels = FALSE; |
||
666 | } |
||
667 | |||
668 | if (request_variables && txd_complete) { |
||
669 | sendOutData('X', FC_ADDRESS, 1, (uint8_t *) &variables, sizeof(variables)); |
||
670 | request_variables = FALSE; |
||
671 | } |
||
672 | |||
673 | if (((OSD_interval && checkDelay(OSD_timer)) || request_OSD) && txd_complete) { |
||
674 | int32_t height = 0; |
||
675 | data3D.anglePitch = (int16_t) (attitude[PITCH] / (GYRO_DEG_FACTOR/10)); // convert to multiple of 0.1 deg |
||
676 | data3D.angleRoll = (int16_t) (attitude[ROLL] / (GYRO_DEG_FACTOR/10)); // convert to multiple of 0.1 deg |
||
677 | // TODO: To 0..359 interval. |
||
678 | data3D.heading = (int16_t) (attitude[YAW] / (GYRO_DEG_FACTOR/10)); // convert to multiple of 0.1 deg |
||
679 | sendOutData('O', FC_ADDRESS, 3, (uint8_t*)&data3D, sizeof(data3D), (uint8_t*)&height, sizeof(height), (uint8_t*)UBat, sizeof(UBat)); |
||
680 | OSD_timer = setDelay(OSD_interval); |
||
681 | request_OSD = FALSE; |
||
682 | } |
||
683 | } |