Tisham Dhar / Mbed 2 deprecated Xadow_SC16IS750_Test

Testsoftware for SC16IS750

Dependencies:   SC16IS750 USBDevice mbed

Fork of SC16IS750_Test by Wim Huiskamp

main.cpp@5:c75ddfd44ae3, 2014-12-22 (annotated)

Committer:
wim
Date:
Mon Dec 22 19:16:45 2014 +0000
Revision:
5:c75ddfd44ae3
Parent:
3:3d4269319b51
Child:
6:b3a16b127073
Added SC16IS752 Dual UART.

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 5:c75ddfd44ae3 12 #define D_RST p16
wim 2:8aba07490dce 13
wim 2:8aba07490dce 14 // Serial for LPC1768
wim 2:8aba07490dce 15 #define D_TX USBTX
wim 2:8aba07490dce 16 #define D_RX USBRX
wim 2:8aba07490dce 17 //#define D_RST p25
wim 2:8aba07490dce 18 //#define D_STS p26
wim 2:8aba07490dce 19 #endif
wim 2:8aba07490dce 20
wim 2:8aba07490dce 21 #if defined(TARGET_KL25Z)
wim 2:8aba07490dce 22 // SPI for KL25Z
wim 2:8aba07490dce 23 #define D_MOSI PTD2
wim 2:8aba07490dce 24 #define D_MISO PTD3
wim 2:8aba07490dce 25 #define D_SCLK PTD1
wim 2:8aba07490dce 26 #define D_CS PTD0
wim 5:c75ddfd44ae3 27 //#define D_INTR PTA13
wim 5:c75ddfd44ae3 28 #define D_RST PTD5
wim 2:8aba07490dce 29
wim 2:8aba07490dce 30 // I2C for KL25Z
wim 2:8aba07490dce 31 #define D_SCL PTE1
wim 2:8aba07490dce 32 #define D_SDA PTE0
wim 2:8aba07490dce 33
wim 2:8aba07490dce 34 // Serial for KL25Z
wim 2:8aba07490dce 35 #define D_TX USBTX
wim 2:8aba07490dce 36 #define D_RX USBRX
wim 2:8aba07490dce 37 #endif
wim 2:8aba07490dce 38
wim 2:8aba07490dce 39 #if defined(TARGET_LPC812)
wim 2:8aba07490dce 40 // SPI for LPC812
wim 2:8aba07490dce 41 #define D_MOSI P0_14
wim 2:8aba07490dce 42 #define D_MISO P0_15
wim 2:8aba07490dce 43 #define D_SCLK P0_12
wim 2:8aba07490dce 44 #define D_CS P0_13
wim 2:8aba07490dce 45 //#define D_INTR P0_7
wim 5:c75ddfd44ae3 46 //#define D_RST P0_8
wim 2:8aba07490dce 47
wim 2:8aba07490dce 48 // Serial for LPC812
wim 2:8aba07490dce 49 #define D_TX P0_4
wim 2:8aba07490dce 50 #define D_RX P0_0
wim 2:8aba07490dce 51 //#define D_RST P0_9
wim 2:8aba07490dce 52 //#define D_STS P0_17
wim 2:8aba07490dce 53 #endif
wim 2:8aba07490dce 54
wim 2:8aba07490dce 55
wim 0:d83a90125711 56 //SPI Version
wim 2:8aba07490dce 57 SPI spi(D_MOSI, D_MISO, D_SCLK); //MOSI, MISO, SCK
wim 5:c75ddfd44ae3 58 //SC16IS750_SPI serial_bridge(&spi, D_CS);
wim 5:c75ddfd44ae3 59 //SC16IS750_SPI serial_bridge(&spi, D_CS, D_RST); // version with Hardware Reset pin
wim 5:c75ddfd44ae3 60 SC16IS752_SPI serial_bridge(&spi, D_CS, D_RST, SC16IS750::Channel_A); // Dual UART version with Hardware Reset pin
wim 5:c75ddfd44ae3 61 SC16IS752_SPI serial_bridge_B(&spi, D_CS, D_RST, SC16IS750::Channel_B); // Dual UART version with Hardware Reset pin
wim 0:d83a90125711 62
wim 0:d83a90125711 63 //I2C Version
wim 2:8aba07490dce 64 //I2C i2c(D_SDA, D_SCL); //SDA, SCL
wim 1:f0d3984f2586 65 //SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR);
wim 5:c75ddfd44ae3 66 //SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR, D_RST);
wim 0:d83a90125711 67
wim 0:d83a90125711 68 DigitalOut myled1(LED_RED);
wim 1:f0d3984f2586 69 //DigitalOut myled2(LED_GREEN);
wim 1:f0d3984f2586 70 //DigitalOut myled3(LED_BLUE); // Same as PTD1 (SCK)
wim 1:f0d3984f2586 71 DigitalOut heartbeatLED(LED_GREEN);
wim 0:d83a90125711 72
wim 2:8aba07490dce 73 Serial pc(D_TX,D_RX);
wim 0:d83a90125711 74
wim 1:f0d3984f2586 75 void show_menu() {
wim 1:f0d3984f2586 76 pc.printf("0: Exit\n\r");
wim 1:f0d3984f2586 77 pc.printf("1: Show Menu\n\r");
wim 1:f0d3984f2586 78 pc.printf("2: Init\n\r");
wim 3:3d4269319b51 79 pc.printf("3: IO Port Out\n\r");
wim 3:3d4269319b51 80 pc.printf("4: Transparant mode\n\r");
wim 2:8aba07490dce 81 pc.printf("5: Free bufferspace\n\r");
wim 2:8aba07490dce 82 pc.printf("6: Enable RTS/CTS\n\r");
wim 2:8aba07490dce 83 pc.printf("7: Disable RTS/CTS\n\r");
wim 3:3d4269319b51 84 pc.printf("8: Write block\n\r");
wim 3:3d4269319b51 85 pc.printf("9: Baudrate 9600\n\r");
wim 3:3d4269319b51 86 pc.printf("A: Baudrate 115200\n\r");
wim 3:3d4269319b51 87 pc.printf("B: Transparant mode with bufferdisplay\n\r");
wim 3:3d4269319b51 88 pc.printf("C: Test printf \n\r");
wim 1:f0d3984f2586 89
wim 3:3d4269319b51 90 #if(0)
wim 1:f0d3984f2586 91 pc.printf("D: \n\r");
wim 1:f0d3984f2586 92 pc.printf("P: \n\r");
wim 1:f0d3984f2586 93 #endif
wim 1:f0d3984f2586 94 pc.printf("\n\r");
wim 1:f0d3984f2586 95 }
wim 1:f0d3984f2586 96
wim 1:f0d3984f2586 97 // Variables for Heartbeat and Status monitoring
wim 1:f0d3984f2586 98 Ticker heartbeat;
wim 1:f0d3984f2586 99 bool heartbeatflag=false;
wim 1:f0d3984f2586 100
wim 1:f0d3984f2586 101 // Local functions
wim 1:f0d3984f2586 102 void clear_screen() {
wim 1:f0d3984f2586 103 //ANSI Terminal Commands
wim 1:f0d3984f2586 104 pc.printf("\x1B[2J");
wim 1:f0d3984f2586 105 pc.printf("\x1B[H");
wim 1:f0d3984f2586 106 }
wim 1:f0d3984f2586 107
wim 1:f0d3984f2586 108
wim 1:f0d3984f2586 109 // Heartbeat monitor
wim 1:f0d3984f2586 110 void pulse() {
wim 1:f0d3984f2586 111 heartbeatLED = !heartbeatLED;
wim 1:f0d3984f2586 112 }
wim 1:f0d3984f2586 113
wim 1:f0d3984f2586 114 void heartbeat_start() {
wim 1:f0d3984f2586 115 heartbeat.attach(&pulse, 0.5);
wim 1:f0d3984f2586 116 }
wim 1:f0d3984f2586 117
wim 1:f0d3984f2586 118 void heartbeat_stop() {
wim 1:f0d3984f2586 119 heartbeat.detach();
wim 1:f0d3984f2586 120 }
wim 1:f0d3984f2586 121
wim 1:f0d3984f2586 122
wim 0:d83a90125711 123 int main() {
wim 1:f0d3984f2586 124 bool running=true;
wim 2:8aba07490dce 125 bool running_test=true;
wim 2:8aba07490dce 126 char command, ch;
wim 1:f0d3984f2586 127 int i=0;
wim 1:f0d3984f2586 128
wim 2:8aba07490dce 129 #if defined(TARGET_LPC1768)
wim 2:8aba07490dce 130 pc.printf("\r\nHello World from LPC1768\r\n");
wim 2:8aba07490dce 131 #endif
wim 2:8aba07490dce 132 #if defined(TARGET_KL25Z)
wim 2:8aba07490dce 133 pc.printf("\r\nHello World from KL25Z\r\n");
wim 2:8aba07490dce 134 #endif
wim 2:8aba07490dce 135 #if defined(TARGET_LPC812)
wim 2:8aba07490dce 136 pc.printf("\r\nHello World from LPC812\r\n");
wim 2:8aba07490dce 137 #endif
wim 2:8aba07490dce 138
wim 1:f0d3984f2586 139
wim 1:f0d3984f2586 140 heartbeat_start();
wim 1:f0d3984f2586 141
wim 1:f0d3984f2586 142 myled1 = 1; // LED Off
wim 1:f0d3984f2586 143
wim 1:f0d3984f2586 144 // We need to enable flow control or we overflow buffers and
wim 1:f0d3984f2586 145 // lose data when used with the WiFly. Note that flow control
wim 1:f0d3984f2586 146 // needs to be enabled on the WiFly for this to work but it's
wim 1:f0d3984f2586 147 // possible to do that with flow control enabled here but not there.
wim 1:f0d3984f2586 148 // serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 1:f0d3984f2586 149
wim 1:f0d3984f2586 150 serial_bridge.ioSetDirection(0xFF); // All outputs
wim 1:f0d3984f2586 151 serial_bridge.ioSetState(0x00); // All On
wim 1:f0d3984f2586 152
wim 1:f0d3984f2586 153 show_menu();
wim 1:f0d3984f2586 154
wim 1:f0d3984f2586 155 while(running) {
wim 0:d83a90125711 156
wim 1:f0d3984f2586 157 if(pc.readable()) {
wim 1:f0d3984f2586 158 command = pc.getc();
wim 1:f0d3984f2586 159 pc.printf("command= %c \n\r", command);
wim 1:f0d3984f2586 160
wim 1:f0d3984f2586 161 switch (command) {
wim 1:f0d3984f2586 162 case '0' :
wim 1:f0d3984f2586 163 pc.printf("Done\n\r");
wim 1:f0d3984f2586 164 running = false;
wim 1:f0d3984f2586 165 break;
wim 1:f0d3984f2586 166
wim 1:f0d3984f2586 167 case '1' :
wim 1:f0d3984f2586 168 show_menu();
wim 1:f0d3984f2586 169 break;
wim 1:f0d3984f2586 170
wim 1:f0d3984f2586 171 case '2' :
wim 5:c75ddfd44ae3 172 pc.printf("Hardware Reset\n\r");
wim 5:c75ddfd44ae3 173 serial_bridge.hwReset(); //test
wim 5:c75ddfd44ae3 174
wim 5:c75ddfd44ae3 175 pc.printf("Init\n\r");
wim 1:f0d3984f2586 176 serial_bridge._init();
wim 1:f0d3984f2586 177 break;
wim 1:f0d3984f2586 178
wim 1:f0d3984f2586 179 case '3' :
wim 3:3d4269319b51 180 pc.printf("IO Port Out\n\r");
wim 1:f0d3984f2586 181
wim 1:f0d3984f2586 182 i=0;
wim 1:f0d3984f2586 183 while (!pc.readable()) {
wim 1:f0d3984f2586 184 serial_bridge.ioSetState(~i);
wim 1:f0d3984f2586 185 serial_bridge.ioGetState() ; //test
wim 1:f0d3984f2586 186 wait(0.5);
wim 1:f0d3984f2586 187 pc.putc('*');
wim 1:f0d3984f2586 188 i=(i+1) & 0xFF;
wim 1:f0d3984f2586 189 }
wim 1:f0d3984f2586 190
wim 1:f0d3984f2586 191 pc.getc();
wim 3:3d4269319b51 192 pc.printf("IO Port Out Done\n\r");
wim 1:f0d3984f2586 193 break;
wim 1:f0d3984f2586 194
wim 1:f0d3984f2586 195 case '4' :
wim 3:3d4269319b51 196 pc.printf("Transparant Mode, Enter '#' to quit...\n\r");
wim 1:f0d3984f2586 197
wim 2:8aba07490dce 198 running_test=true;
wim 2:8aba07490dce 199
wim 1:f0d3984f2586 200 while (running_test) {
wim 1:f0d3984f2586 201 // From SPI/I2C to serial
wim 1:f0d3984f2586 202 while (running_test && pc.readable()) {
wim 1:f0d3984f2586 203 ch = pc.getc();
wim 3:3d4269319b51 204 running_test = (ch != '#');
wim 1:f0d3984f2586 205 serial_bridge.putc(ch);
wim 1:f0d3984f2586 206 }
wim 1:f0d3984f2586 207
wim 1:f0d3984f2586 208 // From Serial to SPI/I2C
wim 1:f0d3984f2586 209 while (running_test && serial_bridge.readable()) {
wim 1:f0d3984f2586 210 ch = serial_bridge.getc();
wim 3:3d4269319b51 211 running_test = (ch != '#');
wim 1:f0d3984f2586 212 pc.putc(ch);
wim 1:f0d3984f2586 213 }
wim 1:f0d3984f2586 214
wim 1:f0d3984f2586 215 }
wim 1:f0d3984f2586 216
wim 3:3d4269319b51 217 pc.printf("\n\rTransparant Mode done\n\r");
wim 1:f0d3984f2586 218 break;
wim 1:f0d3984f2586 219
wim 2:8aba07490dce 220 case '5' :
wim 2:8aba07490dce 221 pc.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount());
wim 2:8aba07490dce 222 pc.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 2:8aba07490dce 223 break;
wim 2:8aba07490dce 224
wim 2:8aba07490dce 225 case '6' :
wim 2:8aba07490dce 226 pc.printf("Enable RTS/CTS\n\r");
wim 2:8aba07490dce 227 serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 2:8aba07490dce 228 break;
wim 2:8aba07490dce 229 case '7' :
wim 2:8aba07490dce 230 pc.printf("Disable RTS/CTS\n\r");
wim 2:8aba07490dce 231 serial_bridge.set_flow_control(SC16IS750::Disabled);
wim 2:8aba07490dce 232 break;
wim 2:8aba07490dce 233
wim 2:8aba07490dce 234 case '8' :
wim 2:8aba07490dce 235 pc.printf("Write block\n\r");
wim 3:3d4269319b51 236 serial_bridge.writeString("Hello World from mbed and SC16IS750 ");
wim 3:3d4269319b51 237 break;
wim 3:3d4269319b51 238
wim 3:3d4269319b51 239 case '9' :
wim 3:3d4269319b51 240 pc.printf("Baudrate = 9600, Divisor = %d\n\r", SC16IS750_BAUDRATE_DIVISOR(9600));
wim 3:3d4269319b51 241 serial_bridge.baud(9600);
wim 3:3d4269319b51 242 break;
wim 3:3d4269319b51 243
wim 3:3d4269319b51 244 case 'A' :
wim 3:3d4269319b51 245 pc.printf("Baudrate = 115200, Divisor = %d\n\r", SC16IS750_BAUDRATE_DIVISOR(115200));
wim 3:3d4269319b51 246 serial_bridge.baud(115200);
wim 2:8aba07490dce 247 break;
wim 2:8aba07490dce 248
wim 3:3d4269319b51 249 case 'B' :
wim 3:3d4269319b51 250 pc.printf("Transparant Mode with buffer display, Enter '#' to quit...\n\r");
wim 3:3d4269319b51 251
wim 3:3d4269319b51 252 running_test=true;
wim 3:3d4269319b51 253
wim 3:3d4269319b51 254 while (running_test) {
wim 3:3d4269319b51 255 // From SPI/I2C to serial
wim 3:3d4269319b51 256 while (running_test && pc.readable()) {
wim 3:3d4269319b51 257 ch = pc.getc();
wim 3:3d4269319b51 258 running_test = (ch != '#');
wim 3:3d4269319b51 259 serial_bridge.putc(ch);
wim 3:3d4269319b51 260
wim 3:3d4269319b51 261 // Show buffers when character was entered
wim 3:3d4269319b51 262 pc.printf("\n\r");
wim 3:3d4269319b51 263 pc.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount());
wim 3:3d4269319b51 264 pc.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 3:3d4269319b51 265 }
wim 3:3d4269319b51 266
wim 3:3d4269319b51 267
wim 3:3d4269319b51 268 // From Serial to SPI/I2C
wim 3:3d4269319b51 269 while (running_test && serial_bridge.readable()) {
wim 3:3d4269319b51 270 ch = serial_bridge.getc();
wim 3:3d4269319b51 271 running_test = (ch != '#');
wim 3:3d4269319b51 272 pc.putc(ch);
wim 3:3d4269319b51 273 }
wim 3:3d4269319b51 274
wim 3:3d4269319b51 275 }
wim 3:3d4269319b51 276
wim 3:3d4269319b51 277 pc.printf("\n\rTransparant Mode done\n\r");
wim 3:3d4269319b51 278 break;
wim 3:3d4269319b51 279
wim 3:3d4269319b51 280 case 'C' :
wim 3:3d4269319b51 281 pc.printf("Test printf() \n\r");
wim 3:3d4269319b51 282
wim 3:3d4269319b51 283 serial_bridge.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount() );
wim 3:3d4269319b51 284 serial_bridge.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 3:3d4269319b51 285
wim 3:3d4269319b51 286 pc.printf("\n\rTest printf() done\n\r");
wim 3:3d4269319b51 287 break;
wim 1:f0d3984f2586 288 default :
wim 2:8aba07490dce 289 break;
wim 1:f0d3984f2586 290
wim 1:f0d3984f2586 291 } //switch
wim 1:f0d3984f2586 292 } //if
wim 1:f0d3984f2586 293 } //while
wim 5:c75ddfd44ae3 294
wim 0:d83a90125711 295 pc.printf("\nBye World!\n");
wim 0:d83a90125711 296 }