Tisham Dhar / Mbed 2 deprecated Xadow_SC16IS750_Test

Testsoftware for SC16IS750

Dependencies:   SC16IS750 USBDevice mbed

Fork of SC16IS750_Test by Wim Huiskamp

main.cpp@4:82730070e690, 2014-12-24 (annotated)

Committer:
whatnick
Date:
Wed Dec 24 08:13:31 2014 +0000
Revision:
4:82730070e690
Parent:
3:3d4269319b51 
Xadow modifications

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 0:d83a90125711 1 #include "mbed.h"
wim 0:d83a90125711 2 #include "SC16IS750.h"
wim 0:d83a90125711 3
wim 2:8aba07490dce 4
wim 2:8aba07490dce 5 #if defined(TARGET_LPC1768)
wim 2:8aba07490dce 6 // SPI for LPC1768
wim 2:8aba07490dce 7 #define D_MOSI p5
wim 2:8aba07490dce 8 #define D_MISO p6
wim 2:8aba07490dce 9 #define D_SCLK p7
wim 2:8aba07490dce 10 #define D_CS p8
wim 2:8aba07490dce 11 #define D_INTR p15
wim 2:8aba07490dce 12
wim 2:8aba07490dce 13 // Serial for LPC1768
wim 2:8aba07490dce 14 #define D_TX USBTX
wim 2:8aba07490dce 15 #define D_RX USBRX
wim 2:8aba07490dce 16 //#define D_RST p25
wim 2:8aba07490dce 17 //#define D_STS p26
wim 2:8aba07490dce 18 #endif
wim 2:8aba07490dce 19
wim 2:8aba07490dce 20 #if defined(TARGET_KL25Z)
wim 2:8aba07490dce 21 // SPI for KL25Z
wim 2:8aba07490dce 22 #define D_MOSI PTD2
wim 2:8aba07490dce 23 #define D_MISO PTD3
wim 2:8aba07490dce 24 #define D_SCLK PTD1
wim 2:8aba07490dce 25 #define D_CS PTD0
wim 2:8aba07490dce 26 //#define D_INTR p15
wim 2:8aba07490dce 27
wim 2:8aba07490dce 28 // I2C for KL25Z
wim 2:8aba07490dce 29 #define D_SCL PTE1
wim 2:8aba07490dce 30 #define D_SDA PTE0
wim 2:8aba07490dce 31
wim 2:8aba07490dce 32 // Serial for KL25Z
wim 2:8aba07490dce 33 #define D_TX USBTX
wim 2:8aba07490dce 34 #define D_RX USBRX
wim 2:8aba07490dce 35 #endif
wim 2:8aba07490dce 36
wim 2:8aba07490dce 37 #if defined(TARGET_LPC812)
wim 2:8aba07490dce 38 // SPI for LPC812
wim 2:8aba07490dce 39 #define D_MOSI P0_14
wim 2:8aba07490dce 40 #define D_MISO P0_15
wim 2:8aba07490dce 41 #define D_SCLK P0_12
wim 2:8aba07490dce 42 #define D_CS P0_13
wim 2:8aba07490dce 43 //#define D_INTR P0_7
wim 2:8aba07490dce 44
wim 2:8aba07490dce 45 // Serial for LPC812
wim 2:8aba07490dce 46 #define D_TX P0_4
wim 2:8aba07490dce 47 #define D_RX P0_0
wim 2:8aba07490dce 48 //#define D_RST P0_9
wim 2:8aba07490dce 49 //#define D_STS P0_17
wim 2:8aba07490dce 50 #endif
wim 2:8aba07490dce 51
wim 2:8aba07490dce 52
wim 0:d83a90125711 53 //SPI Version
wim 2:8aba07490dce 54 //SPI spi(PTD2, PTD3, PTD1); //MOSI, MISO, SCK
whatnick 4:82730070e690 55 //SPI spi(D_MOSI, D_MISO, D_SCLK); //MOSI, MISO, SCK
wim 0:d83a90125711 56 //DigitalOut CS(PTD0); //CS
wim 2:8aba07490dce 57 //SC16IS750_SPI serial_bridge(&spi, PTD0);
whatnick 4:82730070e690 58 //SC16IS750_SPI serial_bridge(&spi, D_CS);
wim 0:d83a90125711 59
wim 0:d83a90125711 60 //I2C Version
wim 2:8aba07490dce 61 //I2C i2c(D_SDA, D_SCL); //SDA, SCL
whatnick 4:82730070e690 62 I2C i2c(I2C_SDA, I2C_SCL);
whatnick 4:82730070e690 63 SC16IS750_I2C serial_bridge(&i2c, 0x4D);
wim 0:d83a90125711 64
whatnick 4:82730070e690 65 //DigitalOut myled1(LED_RED);
wim 1:f0d3984f2586 66 //DigitalOut myled2(LED_GREEN);
wim 1:f0d3984f2586 67 //DigitalOut myled3(LED_BLUE); // Same as PTD1 (SCK)
whatnick 4:82730070e690 68 //DigitalOut heartbeatLED(LED_GREEN);
wim 0:d83a90125711 69
whatnick 4:82730070e690 70 #define DEBUG
whatnick 4:82730070e690 71
whatnick 4:82730070e690 72 #ifdef DEBUG
whatnick 4:82730070e690 73 #include "USBSerial.h" // To use USB virtual serial, a driver is needed, check http://mbed.org/handbook/USBSerial
whatnick 4:82730070e690 74 #define LOG(args...) pc.printf(args)
whatnick 4:82730070e690 75 USBSerial pc;
whatnick 4:82730070e690 76 #else
whatnick 4:82730070e690 77 #define LOG(args...)
whatnick 4:82730070e690 78 #endif
wim 0:d83a90125711 79
wim 1:f0d3984f2586 80 void show_menu() {
wim 1:f0d3984f2586 81 pc.printf("0: Exit\n\r");
wim 1:f0d3984f2586 82 pc.printf("1: Show Menu\n\r");
wim 1:f0d3984f2586 83 pc.printf("2: Init\n\r");
wim 3:3d4269319b51 84 pc.printf("3: IO Port Out\n\r");
wim 3:3d4269319b51 85 pc.printf("4: Transparant mode\n\r");
wim 2:8aba07490dce 86 pc.printf("5: Free bufferspace\n\r");
wim 2:8aba07490dce 87 pc.printf("6: Enable RTS/CTS\n\r");
wim 2:8aba07490dce 88 pc.printf("7: Disable RTS/CTS\n\r");
wim 3:3d4269319b51 89 pc.printf("8: Write block\n\r");
wim 3:3d4269319b51 90 pc.printf("9: Baudrate 9600\n\r");
wim 3:3d4269319b51 91 pc.printf("A: Baudrate 115200\n\r");
wim 3:3d4269319b51 92 pc.printf("B: Transparant mode with bufferdisplay\n\r");
wim 3:3d4269319b51 93 pc.printf("C: Test printf \n\r");
wim 1:f0d3984f2586 94
wim 3:3d4269319b51 95 #if(0)
wim 1:f0d3984f2586 96 pc.printf("D: \n\r");
wim 1:f0d3984f2586 97 pc.printf("P: \n\r");
wim 1:f0d3984f2586 98 #endif
wim 1:f0d3984f2586 99 pc.printf("\n\r");
wim 1:f0d3984f2586 100 }
wim 1:f0d3984f2586 101
wim 1:f0d3984f2586 102 // Variables for Heartbeat and Status monitoring
wim 1:f0d3984f2586 103 Ticker heartbeat;
wim 1:f0d3984f2586 104 bool heartbeatflag=false;
wim 1:f0d3984f2586 105
wim 1:f0d3984f2586 106 // Local functions
wim 1:f0d3984f2586 107 void clear_screen() {
wim 1:f0d3984f2586 108 //ANSI Terminal Commands
wim 1:f0d3984f2586 109 pc.printf("\x1B[2J");
wim 1:f0d3984f2586 110 pc.printf("\x1B[H");
wim 1:f0d3984f2586 111 }
wim 1:f0d3984f2586 112
wim 1:f0d3984f2586 113
wim 1:f0d3984f2586 114 // Heartbeat monitor
wim 1:f0d3984f2586 115 void pulse() {
whatnick 4:82730070e690 116 //heartbeatLED = !heartbeatLED;
wim 1:f0d3984f2586 117 }
wim 1:f0d3984f2586 118
wim 1:f0d3984f2586 119 void heartbeat_start() {
wim 1:f0d3984f2586 120 heartbeat.attach(&pulse, 0.5);
wim 1:f0d3984f2586 121 }
wim 1:f0d3984f2586 122
wim 1:f0d3984f2586 123 void heartbeat_stop() {
wim 1:f0d3984f2586 124 heartbeat.detach();
wim 1:f0d3984f2586 125 }
wim 1:f0d3984f2586 126
wim 1:f0d3984f2586 127
wim 0:d83a90125711 128 int main() {
wim 1:f0d3984f2586 129 bool running=true;
wim 2:8aba07490dce 130 bool running_test=true;
wim 2:8aba07490dce 131 char command, ch;
wim 1:f0d3984f2586 132 int i=0;
wim 1:f0d3984f2586 133
wim 2:8aba07490dce 134 #if defined(TARGET_LPC1768)
wim 2:8aba07490dce 135 pc.printf("\r\nHello World from LPC1768\r\n");
wim 2:8aba07490dce 136 #endif
wim 2:8aba07490dce 137 #if defined(TARGET_KL25Z)
wim 2:8aba07490dce 138 pc.printf("\r\nHello World from KL25Z\r\n");
wim 2:8aba07490dce 139 #endif
wim 2:8aba07490dce 140 #if defined(TARGET_LPC812)
wim 2:8aba07490dce 141 pc.printf("\r\nHello World from LPC812\r\n");
wim 2:8aba07490dce 142 #endif
wim 2:8aba07490dce 143
wim 1:f0d3984f2586 144
wim 1:f0d3984f2586 145 heartbeat_start();
wim 1:f0d3984f2586 146
whatnick 4:82730070e690 147 //myled1 = 1; // LED Off
wim 1:f0d3984f2586 148
wim 1:f0d3984f2586 149 // We need to enable flow control or we overflow buffers and
wim 1:f0d3984f2586 150 // lose data when used with the WiFly. Note that flow control
wim 1:f0d3984f2586 151 // needs to be enabled on the WiFly for this to work but it's
wim 1:f0d3984f2586 152 // possible to do that with flow control enabled here but not there.
wim 1:f0d3984f2586 153 // serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 1:f0d3984f2586 154
wim 1:f0d3984f2586 155 serial_bridge.ioSetDirection(0xFF); // All outputs
wim 1:f0d3984f2586 156 serial_bridge.ioSetState(0x00); // All On
wim 1:f0d3984f2586 157
wim 1:f0d3984f2586 158 show_menu();
wim 1:f0d3984f2586 159
wim 1:f0d3984f2586 160 while(running) {
wim 0:d83a90125711 161
wim 1:f0d3984f2586 162 if(pc.readable()) {
wim 1:f0d3984f2586 163 command = pc.getc();
wim 1:f0d3984f2586 164 pc.printf("command= %c \n\r", command);
wim 1:f0d3984f2586 165
wim 1:f0d3984f2586 166 switch (command) {
wim 1:f0d3984f2586 167 case '0' :
wim 1:f0d3984f2586 168 pc.printf("Done\n\r");
wim 1:f0d3984f2586 169 running = false;
wim 1:f0d3984f2586 170 break;
wim 1:f0d3984f2586 171
wim 1:f0d3984f2586 172 case '1' :
wim 1:f0d3984f2586 173 show_menu();
wim 1:f0d3984f2586 174 break;
wim 1:f0d3984f2586 175
wim 1:f0d3984f2586 176 case '2' :
wim 1:f0d3984f2586 177 pc.printf("Init\n\r");
whatnick 4:82730070e690 178 serial_bridge._init();
whatnick 4:82730070e690 179 pc.printf("Done Init");
wim 1:f0d3984f2586 180 break;
wim 1:f0d3984f2586 181
wim 1:f0d3984f2586 182 case '3' :
wim 3:3d4269319b51 183 pc.printf("IO Port Out\n\r");
wim 1:f0d3984f2586 184
wim 1:f0d3984f2586 185 i=0;
wim 1:f0d3984f2586 186 while (!pc.readable()) {
wim 1:f0d3984f2586 187 serial_bridge.ioSetState(~i);
wim 1:f0d3984f2586 188 serial_bridge.ioGetState() ; //test
wim 1:f0d3984f2586 189 wait(0.5);
wim 1:f0d3984f2586 190 pc.putc('*');
wim 1:f0d3984f2586 191 i=(i+1) & 0xFF;
wim 1:f0d3984f2586 192 }
wim 1:f0d3984f2586 193
wim 1:f0d3984f2586 194 pc.getc();
wim 3:3d4269319b51 195 pc.printf("IO Port Out Done\n\r");
wim 1:f0d3984f2586 196 break;
wim 1:f0d3984f2586 197
wim 1:f0d3984f2586 198 case '4' :
wim 3:3d4269319b51 199 pc.printf("Transparant Mode, Enter '#' to quit...\n\r");
wim 1:f0d3984f2586 200
wim 2:8aba07490dce 201 running_test=true;
wim 2:8aba07490dce 202
wim 1:f0d3984f2586 203 while (running_test) {
wim 1:f0d3984f2586 204 // From SPI/I2C to serial
wim 1:f0d3984f2586 205 while (running_test && pc.readable()) {
wim 1:f0d3984f2586 206 ch = pc.getc();
wim 3:3d4269319b51 207 running_test = (ch != '#');
wim 1:f0d3984f2586 208 serial_bridge.putc(ch);
wim 1:f0d3984f2586 209 }
wim 1:f0d3984f2586 210
wim 1:f0d3984f2586 211 // From Serial to SPI/I2C
wim 1:f0d3984f2586 212 while (running_test && serial_bridge.readable()) {
wim 1:f0d3984f2586 213 ch = serial_bridge.getc();
wim 3:3d4269319b51 214 running_test = (ch != '#');
wim 1:f0d3984f2586 215 pc.putc(ch);
wim 1:f0d3984f2586 216 }
wim 1:f0d3984f2586 217
wim 1:f0d3984f2586 218 }
wim 1:f0d3984f2586 219
wim 3:3d4269319b51 220 pc.printf("\n\rTransparant Mode done\n\r");
wim 1:f0d3984f2586 221 break;
wim 1:f0d3984f2586 222
wim 2:8aba07490dce 223 case '5' :
wim 2:8aba07490dce 224 pc.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount());
wim 2:8aba07490dce 225 pc.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 2:8aba07490dce 226 break;
wim 2:8aba07490dce 227
wim 2:8aba07490dce 228 case '6' :
wim 2:8aba07490dce 229 pc.printf("Enable RTS/CTS\n\r");
wim 2:8aba07490dce 230 serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 2:8aba07490dce 231 break;
wim 2:8aba07490dce 232 case '7' :
wim 2:8aba07490dce 233 pc.printf("Disable RTS/CTS\n\r");
wim 2:8aba07490dce 234 serial_bridge.set_flow_control(SC16IS750::Disabled);
wim 2:8aba07490dce 235 break;
wim 2:8aba07490dce 236
wim 2:8aba07490dce 237 case '8' :
wim 2:8aba07490dce 238 pc.printf("Write block\n\r");
wim 3:3d4269319b51 239 serial_bridge.writeString("Hello World from mbed and SC16IS750 ");
wim 3:3d4269319b51 240 break;
wim 3:3d4269319b51 241
wim 3:3d4269319b51 242 case '9' :
wim 3:3d4269319b51 243 pc.printf("Baudrate = 9600, Divisor = %d\n\r", SC16IS750_BAUDRATE_DIVISOR(9600));
wim 3:3d4269319b51 244 serial_bridge.baud(9600);
wim 3:3d4269319b51 245 break;
wim 3:3d4269319b51 246
wim 3:3d4269319b51 247 case 'A' :
wim 3:3d4269319b51 248 pc.printf("Baudrate = 115200, Divisor = %d\n\r", SC16IS750_BAUDRATE_DIVISOR(115200));
wim 3:3d4269319b51 249 serial_bridge.baud(115200);
wim 2:8aba07490dce 250 break;
wim 2:8aba07490dce 251
wim 3:3d4269319b51 252 case 'B' :
wim 3:3d4269319b51 253 pc.printf("Transparant Mode with buffer display, Enter '#' to quit...\n\r");
wim 3:3d4269319b51 254
wim 3:3d4269319b51 255 running_test=true;
wim 3:3d4269319b51 256
wim 3:3d4269319b51 257 while (running_test) {
wim 3:3d4269319b51 258 // From SPI/I2C to serial
wim 3:3d4269319b51 259 while (running_test && pc.readable()) {
wim 3:3d4269319b51 260 ch = pc.getc();
wim 3:3d4269319b51 261 running_test = (ch != '#');
wim 3:3d4269319b51 262 serial_bridge.putc(ch);
wim 3:3d4269319b51 263
wim 3:3d4269319b51 264 // Show buffers when character was entered
wim 3:3d4269319b51 265 pc.printf("\n\r");
wim 3:3d4269319b51 266 pc.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount());
wim 3:3d4269319b51 267 pc.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 3:3d4269319b51 268 }
wim 3:3d4269319b51 269
wim 3:3d4269319b51 270
wim 3:3d4269319b51 271 // From Serial to SPI/I2C
wim 3:3d4269319b51 272 while (running_test && serial_bridge.readable()) {
wim 3:3d4269319b51 273 ch = serial_bridge.getc();
wim 3:3d4269319b51 274 running_test = (ch != '#');
wim 3:3d4269319b51 275 pc.putc(ch);
wim 3:3d4269319b51 276 }
wim 3:3d4269319b51 277
wim 3:3d4269319b51 278 }
wim 3:3d4269319b51 279
wim 3:3d4269319b51 280 pc.printf("\n\rTransparant Mode done\n\r");
wim 3:3d4269319b51 281 break;
wim 3:3d4269319b51 282
wim 3:3d4269319b51 283 case 'C' :
wim 3:3d4269319b51 284 pc.printf("Test printf() \n\r");
wim 3:3d4269319b51 285
wim 3:3d4269319b51 286 serial_bridge.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount() );
wim 3:3d4269319b51 287 serial_bridge.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 3:3d4269319b51 288
wim 3:3d4269319b51 289 pc.printf("\n\rTest printf() done\n\r");
wim 3:3d4269319b51 290 break;
wim 1:f0d3984f2586 291 default :
wim 2:8aba07490dce 292 break;
wim 1:f0d3984f2586 293
wim 1:f0d3984f2586 294 } //switch
wim 1:f0d3984f2586 295 } //if
wim 1:f0d3984f2586 296 } //while
wim 1:f0d3984f2586 297
wim 1:f0d3984f2586 298
wim 1:f0d3984f2586 299
wim 1:f0d3984f2586 300
wim 1:f0d3984f2586 301 #if(0)
wim 1:f0d3984f2586 302
wim 1:f0d3984f2586 303
wim 0:d83a90125711 304 // CS = 1;
wim 0:d83a90125711 305
wim 0:d83a90125711 306 spi.format(8, 0);
wim 0:d83a90125711 307 // spi.frequency(100000);
wim 0:d83a90125711 308 // spi.frequency(500000);
wim 0:d83a90125711 309 spi.frequency(1000000);
wim 0:d83a90125711 310 // spi.frequency(1500000);
wim 0:d83a90125711 311
wim 0:d83a90125711 312
wim 1:f0d3984f2586 313
wim 0:d83a90125711 314 while(1) {
wim 0:d83a90125711 315 CS=0;
wim 0:d83a90125711 316 spi.write(0xAA);
wim 0:d83a90125711 317 spi.write(0x81);
wim 0:d83a90125711 318 CS=1;
wim 0:d83a90125711 319 wait_us(5);
wim 0:d83a90125711 320 }
wim 0:d83a90125711 321 #endif
wim 0:d83a90125711 322
wim 0:d83a90125711 323 pc.printf("\nBye World!\n");
wim 0:d83a90125711 324 }