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1 #include "stdio.h" |
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2 #include "mbed.h" |
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3 #include "string" |
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4 #include "Arial12x12.h" |
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5 #include "Arial28x28.h" |
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6 //#include "Arial24x23.h" |
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7 //#include "Terminal6x8.h" |
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8 //#include "Arial43x48_numb.h" |
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9 |
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10 #include "BufferedSerial.h" |
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11 |
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12 #include "SPI8.h" |
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13 #include "ILI9341.h" |
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14 |
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15 Serial pc(USBTX, USBRX); |
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16 BufferedSerial hp(PA_0, PA_1, 32); // serial4 |
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17 |
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18 ILI9341 tft(SPI_8, 24000000, PA_7, PA_6, PA_5, PA_4, PB_6, PC_7, "myLCD"); // Spi 8bit, 24MHz, mosi, miso, sclk, cs, reset, dc |
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19 //ILI9341 tft(SPI_8, 24000000, PA_7, PA_6, PA_5, PA_4, PB_6, PB_5, "myLCD"); |
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20 |
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21 #define MAX_BUFF 13 |
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22 uint8_t curchar; |
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23 uint8_t cmd; |
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24 uint8_t nchars; |
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25 char buffer[MAX_BUFF+1]; |
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26 |
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27 typedef struct _DSP |
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28 { |
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29 uint8_t cmd; |
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30 uint16_t color; |
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31 uint16_t bgcolor; |
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32 uint8_t y0; |
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33 uint8_t fmt; // 0=>ascii, 1=>hex, 2=>bits |
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34 uint8_t maxsize; |
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35 const unsigned char* font; |
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36 char buffer[MAX_BUFF+1]; |
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37 } DSP; |
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38 |
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39 static DSP table[] = |
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40 { |
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41 { 0x00, Yellow, Red, 5, 0, MAX_BUFF, Arial28x28}, |
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42 { 0x0C, Red, Blue, 40, 0, 3, Arial28x28}, |
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43 { 0x01, Blue, Yellow, 75, 1, MAX_BUFF, Arial12x12}, |
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44 { 0x02, Blue, Yellow, 110, 1, MAX_BUFF, Arial12x12}, |
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45 { 0x0A, Blue, Yellow, 145, 2, 4, Arial12x12}, |
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46 { 0xFF, Red, Black, 210, 0, MAX_BUFF, Arial12x12}, |
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47 }; |
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48 #define DEBUG |
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49 #ifdef DEBUG |
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50 #define DBGPIN PC_0 |
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51 |
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52 DigitalOut dbgpin(DBGPIN); |
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53 inline void DebugPulse(uint8_t count=1) |
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54 { |
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55 while (count--) |
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56 { |
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57 dbgpin = 1; |
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58 dbgpin = 0; |
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59 } |
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60 } |
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61 #else |
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62 inline void DebugPulse(uint8_t count=1) |
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63 {} |
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64 #endif |
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65 |
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66 void setup() { |
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67 // init the LCD |
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68 |
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69 tft.set_orientation(3); |
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70 pc.baud (115200); |
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71 pc.printf("\n\nSystem Core Clock = %.3f MHZ\r\n", |
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72 (float)SystemCoreClock/1000000); |
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73 |
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74 hp.baud(187500); |
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75 |
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76 // myLCD.set_font((unsigned char*) Terminal6x8); |
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77 // myLCD.claim(stdout); // send stdout to the LCD display |
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78 // myLCD.claim(stderr); // send stderr to the LCD display |
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79 tft.background(Black); // set background to black |
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80 tft.cls(); |
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81 |
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82 cmd = 0xFF; |
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83 curchar = 0; |
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84 nchars = 0; |
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85 } |
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86 |
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87 void go_msg() { |
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88 tft.set_font((unsigned char*) Arial12x12); |
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89 tft.locate(0, 210); |
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90 } |
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91 |
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92 void show(uint8_t cmd, char *txt, uint8_t nchar=0) { |
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93 uint8_t i, len; |
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94 uint16_t bgcolor, fgcolor; |
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95 char *oldv; |
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96 |
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97 len = MAX_BUFF; |
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98 |
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99 for (i=0; i<sizeof(table)/sizeof(table[0]); ++i) { |
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100 if (table[i].cmd == cmd) { |
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101 bgcolor = table[i].bgcolor; |
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102 fgcolor = table[i].color; |
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103 tft.background(bgcolor); |
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104 tft.foreground(fgcolor); |
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105 tft.locate(0, table[i].y0); |
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106 tft.set_font((unsigned char*) table[i].font); |
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107 break; |
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108 } |
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109 } |
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110 |
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111 switch (table[i].fmt) { |
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112 case 0: //ascii |
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113 tft.printf(txt); |
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114 for (uint8_t j=nchar; j<table[i].maxsize; j++) |
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115 tft.printf(" "); |
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116 break; |
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117 case 1: // hex |
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118 for (uint8_t j=0; j<nchar; j++) |
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119 tft.printf("%02X ", txt[j]); |
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120 for (uint8_t j=nchar; j<table[i].maxsize; j++) |
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121 tft.printf(" "); |
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122 break; |
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123 case 2: // binary |
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124 for (uint8_t j=0; j<max(nchar, table[i].maxsize) ; j++) { |
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125 //tft.setCursor(x0+w*i, y0+10); |
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126 for (uint8_t k=0; k<8; k++) { |
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127 if (txt[j] & (1 << (7-k))) |
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128 tft.foreground(fgcolor); |
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129 else |
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130 tft.foreground(bgcolor); |
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131 tft.printf("%d", (8-k)); |
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132 } |
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133 } |
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134 break; |
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135 } |
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136 } |
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137 |
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138 |
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139 void loop() { // run over and over |
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140 if (hp.readable()) { |
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141 uint8_t val = hp.getc(); |
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142 DebugPulse(); |
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143 // 0xFF: idle |
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144 // 0xFE: frame finished |
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145 // 0x66: Start of transmission received |
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146 if (cmd == 0xFF) { |
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147 if ((val == 0x66) || (val == 0x99)) { |
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148 cmd = val; |
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149 } else if ((val == 0x00) || (val == 0x55)){ |
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150 // probably an ACK for a keypad related event |
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151 } else { |
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152 // display "junk" byte |
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153 //DebugPulse(); |
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154 go_msg(); |
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155 tft.printf("%02X:> %02x", cmd, val); |
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156 } |
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157 |
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158 } else if (cmd == 0xFE ) { |
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159 if ((val == 0x66) || (val == 0x99)) { |
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160 cmd = val; |
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161 } else if (val == 0x55) { |
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162 cmd = 0xFF; |
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163 } else if (val == 0x00){ |
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164 // probably an ACK for a keypad related event |
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165 } else { |
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166 // display "junk" byte |
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167 //DebugPulse(); |
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168 go_msg(); |
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169 tft.printf("%02X=> %02x", cmd, val); |
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170 } |
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171 |
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172 } else if (cmd == 0x66) { // waiting for the display command |
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173 if ((val == 0x0C) || (val == 0x00) || val == 0x01 || val == 0x02 || val == 0x0A) { |
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174 cmd = val; |
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175 nchars = 0; |
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176 } else { |
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177 cmd = 0xFE; |
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178 // display unknown cmd byte |
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179 //DebugPulse(); |
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180 go_msg(); |
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181 tft.printf("%02X-> %02x", cmd, val); |
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182 } |
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183 |
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184 } else if (cmd == 0x99) { // waiting for a 0x00, it's the DP that sent a keypress event |
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185 if (val != 0x00) { |
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186 go_msg(); |
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187 tft.printf("%02X kp %02X", cmd, val); |
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188 } |
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189 cmd =0xFF; |
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190 |
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191 } else if (nchars == 0) { // waiting for the number of chars to display |
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192 if (val>MAX_BUFF) { |
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193 // display warning |
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194 //dsp(); |
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195 //tft << cmd << " got len " << val; |
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196 //DebugPulse(); |
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197 go_msg(); |
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198 tft.printf("%02X len %d", cmd, val); |
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199 cmd = 0xFE; // weird |
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200 } else { |
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201 nchars = val; |
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202 curchar = 0; |
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203 } |
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204 |
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205 } else { // a character to display |
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206 buffer[curchar] = val; |
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207 curchar++; |
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208 if (curchar == nchars) { |
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209 buffer[curchar] = 0x00; |
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210 show(cmd, buffer, nchars); |
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211 nchars = 0; |
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212 curchar = 0; |
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213 cmd = 0xFE; |
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214 } |
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215 } |
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216 } |
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217 } |
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218 |
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219 int main() |
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220 { |
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221 setup(); |
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222 while(1) |
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223 loop(); |
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224 } |