Wim Huiskamp / Mbed 2 deprecated SC16IS750_Test

Testsoftware for SC16IS750

Dependencies:   SC16IS750 mbed

main.cpp@2:8aba07490dce, 2014-02-13 (annotated)

Committer:
wim
Date:
Thu Feb 13 17:12:12 2014 +0000
Revision:
2:8aba07490dce
Parent:
1:f0d3984f2586
Child:
3:3d4269319b51
Testversion 2

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
wim 2:8aba07490dce 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);
wim 2:8aba07490dce 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
wim 1:f0d3984f2586 62 //SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR);
wim 0:d83a90125711 63
wim 0:d83a90125711 64 DigitalOut myled1(LED_RED);
wim 1:f0d3984f2586 65 //DigitalOut myled2(LED_GREEN);
wim 1:f0d3984f2586 66 //DigitalOut myled3(LED_BLUE); // Same as PTD1 (SCK)
wim 1:f0d3984f2586 67 DigitalOut heartbeatLED(LED_GREEN);
wim 0:d83a90125711 68
wim 2:8aba07490dce 69 Serial pc(D_TX,D_RX);
wim 0:d83a90125711 70
wim 1:f0d3984f2586 71 void show_menu() {
wim 1:f0d3984f2586 72 pc.printf("0: Exit\n\r");
wim 1:f0d3984f2586 73 pc.printf("1: Show Menu\n\r");
wim 1:f0d3984f2586 74 pc.printf("2: Init\n\r");
wim 1:f0d3984f2586 75 pc.printf("3: IO Out\n\r");
wim 1:f0d3984f2586 76 pc.printf("4: Echo Text\n\r");
wim 2:8aba07490dce 77 pc.printf("5: Free bufferspace\n\r");
wim 2:8aba07490dce 78 pc.printf("6: Enable RTS/CTS\n\r");
wim 2:8aba07490dce 79 pc.printf("7: Disable RTS/CTS\n\r");
wim 2:8aba07490dce 80 pc.printf("8: Write block\n\r");
wim 1:f0d3984f2586 81
wim 1:f0d3984f2586 82 #if(0)
wim 1:f0d3984f2586 83 pc.printf("9: \n\r");
wim 1:f0d3984f2586 84 pc.printf("A: \n\r");
wim 1:f0d3984f2586 85 pc.printf("B: \n\r");
wim 1:f0d3984f2586 86 pc.printf("C: \n\r");
wim 1:f0d3984f2586 87 pc.printf("D: \n\r");
wim 1:f0d3984f2586 88 pc.printf("P: \n\r");
wim 1:f0d3984f2586 89 #endif
wim 1:f0d3984f2586 90 pc.printf("\n\r");
wim 1:f0d3984f2586 91 }
wim 1:f0d3984f2586 92
wim 1:f0d3984f2586 93 // Variables for Heartbeat and Status monitoring
wim 1:f0d3984f2586 94 Ticker heartbeat;
wim 1:f0d3984f2586 95 bool heartbeatflag=false;
wim 1:f0d3984f2586 96
wim 1:f0d3984f2586 97 // Local functions
wim 1:f0d3984f2586 98 void clear_screen() {
wim 1:f0d3984f2586 99 //ANSI Terminal Commands
wim 1:f0d3984f2586 100 pc.printf("\x1B[2J");
wim 1:f0d3984f2586 101 pc.printf("\x1B[H");
wim 1:f0d3984f2586 102 }
wim 1:f0d3984f2586 103
wim 1:f0d3984f2586 104
wim 1:f0d3984f2586 105 // Heartbeat monitor
wim 1:f0d3984f2586 106 void pulse() {
wim 1:f0d3984f2586 107 heartbeatLED = !heartbeatLED;
wim 1:f0d3984f2586 108 }
wim 1:f0d3984f2586 109
wim 1:f0d3984f2586 110 void heartbeat_start() {
wim 1:f0d3984f2586 111 heartbeat.attach(&pulse, 0.5);
wim 1:f0d3984f2586 112 }
wim 1:f0d3984f2586 113
wim 1:f0d3984f2586 114 void heartbeat_stop() {
wim 1:f0d3984f2586 115 heartbeat.detach();
wim 1:f0d3984f2586 116 }
wim 1:f0d3984f2586 117
wim 1:f0d3984f2586 118
wim 0:d83a90125711 119 int main() {
wim 1:f0d3984f2586 120 bool running=true;
wim 2:8aba07490dce 121 bool running_test=true;
wim 2:8aba07490dce 122 char command, ch;
wim 1:f0d3984f2586 123 int i=0;
wim 1:f0d3984f2586 124
wim 2:8aba07490dce 125 #if defined(TARGET_LPC1768)
wim 2:8aba07490dce 126 pc.printf("\r\nHello World from LPC1768\r\n");
wim 2:8aba07490dce 127 #endif
wim 2:8aba07490dce 128 #if defined(TARGET_KL25Z)
wim 2:8aba07490dce 129 pc.printf("\r\nHello World from KL25Z\r\n");
wim 2:8aba07490dce 130 #endif
wim 2:8aba07490dce 131 #if defined(TARGET_LPC812)
wim 2:8aba07490dce 132 pc.printf("\r\nHello World from LPC812\r\n");
wim 2:8aba07490dce 133 #endif
wim 2:8aba07490dce 134
wim 1:f0d3984f2586 135
wim 1:f0d3984f2586 136 heartbeat_start();
wim 1:f0d3984f2586 137
wim 1:f0d3984f2586 138 myled1 = 1; // LED Off
wim 1:f0d3984f2586 139
wim 1:f0d3984f2586 140 // We need to enable flow control or we overflow buffers and
wim 1:f0d3984f2586 141 // lose data when used with the WiFly. Note that flow control
wim 1:f0d3984f2586 142 // needs to be enabled on the WiFly for this to work but it's
wim 1:f0d3984f2586 143 // possible to do that with flow control enabled here but not there.
wim 1:f0d3984f2586 144 // serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 1:f0d3984f2586 145
wim 1:f0d3984f2586 146 serial_bridge.ioSetDirection(0xFF); // All outputs
wim 1:f0d3984f2586 147 serial_bridge.ioSetState(0x00); // All On
wim 1:f0d3984f2586 148
wim 1:f0d3984f2586 149 show_menu();
wim 1:f0d3984f2586 150
wim 1:f0d3984f2586 151 while(running) {
wim 0:d83a90125711 152
wim 1:f0d3984f2586 153 if(pc.readable()) {
wim 1:f0d3984f2586 154 command = pc.getc();
wim 1:f0d3984f2586 155 pc.printf("command= %c \n\r", command);
wim 1:f0d3984f2586 156
wim 1:f0d3984f2586 157 switch (command) {
wim 1:f0d3984f2586 158 case '0' :
wim 1:f0d3984f2586 159 pc.printf("Done\n\r");
wim 1:f0d3984f2586 160 running = false;
wim 1:f0d3984f2586 161 break;
wim 1:f0d3984f2586 162
wim 1:f0d3984f2586 163 case '1' :
wim 1:f0d3984f2586 164 show_menu();
wim 1:f0d3984f2586 165 break;
wim 1:f0d3984f2586 166
wim 1:f0d3984f2586 167 case '2' :
wim 1:f0d3984f2586 168 pc.printf("Init\n\r");
wim 1:f0d3984f2586 169 serial_bridge._init();
wim 1:f0d3984f2586 170 break;
wim 1:f0d3984f2586 171
wim 1:f0d3984f2586 172 case '3' :
wim 1:f0d3984f2586 173 pc.printf("IO Out\n\r");
wim 1:f0d3984f2586 174
wim 1:f0d3984f2586 175 i=0;
wim 1:f0d3984f2586 176 while (!pc.readable()) {
wim 1:f0d3984f2586 177 serial_bridge.ioSetState(~i);
wim 1:f0d3984f2586 178 serial_bridge.ioGetState() ; //test
wim 1:f0d3984f2586 179 wait(0.5);
wim 1:f0d3984f2586 180 pc.putc('*');
wim 1:f0d3984f2586 181 i=(i+1) & 0xFF;
wim 1:f0d3984f2586 182 }
wim 1:f0d3984f2586 183
wim 1:f0d3984f2586 184 pc.getc();
wim 1:f0d3984f2586 185 pc.printf("IO Out Done\n\r");
wim 1:f0d3984f2586 186 break;
wim 1:f0d3984f2586 187
wim 1:f0d3984f2586 188 case '4' :
wim 1:f0d3984f2586 189 pc.printf("Echo Text, Enter '$' to quit...\n\r");
wim 1:f0d3984f2586 190
wim 2:8aba07490dce 191 running_test=true;
wim 2:8aba07490dce 192
wim 1:f0d3984f2586 193 while (running_test) {
wim 1:f0d3984f2586 194 // From SPI/I2C to serial
wim 1:f0d3984f2586 195 while (running_test && pc.readable()) {
wim 1:f0d3984f2586 196 ch = pc.getc();
wim 1:f0d3984f2586 197 running_test = (ch != '$');
wim 1:f0d3984f2586 198 serial_bridge.putc(ch);
wim 1:f0d3984f2586 199 }
wim 1:f0d3984f2586 200
wim 1:f0d3984f2586 201 // From Serial to SPI/I2C
wim 1:f0d3984f2586 202 while (running_test && serial_bridge.readable()) {
wim 1:f0d3984f2586 203 ch = serial_bridge.getc();
wim 1:f0d3984f2586 204 running_test = (ch != '$');
wim 1:f0d3984f2586 205 pc.putc(ch);
wim 1:f0d3984f2586 206 }
wim 1:f0d3984f2586 207
wim 1:f0d3984f2586 208 }
wim 1:f0d3984f2586 209
wim 1:f0d3984f2586 210 pc.printf("\n\rEcho Text Done\n\r");
wim 1:f0d3984f2586 211 break;
wim 1:f0d3984f2586 212
wim 2:8aba07490dce 213 case '5' :
wim 2:8aba07490dce 214 pc.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount());
wim 2:8aba07490dce 215 pc.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount());
wim 2:8aba07490dce 216 break;
wim 2:8aba07490dce 217
wim 2:8aba07490dce 218 case '6' :
wim 2:8aba07490dce 219 pc.printf("Enable RTS/CTS\n\r");
wim 2:8aba07490dce 220 serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 2:8aba07490dce 221 break;
wim 2:8aba07490dce 222 case '7' :
wim 2:8aba07490dce 223 pc.printf("Disable RTS/CTS\n\r");
wim 2:8aba07490dce 224 serial_bridge.set_flow_control(SC16IS750::Disabled);
wim 2:8aba07490dce 225 break;
wim 2:8aba07490dce 226
wim 2:8aba07490dce 227 case '8' :
wim 2:8aba07490dce 228 pc.printf("Write block\n\r");
wim 2:8aba07490dce 229 serial_bridge.write("Hello World from mbed and SC16IS750 ");
wim 2:8aba07490dce 230 break;
wim 2:8aba07490dce 231
wim 1:f0d3984f2586 232 default :
wim 2:8aba07490dce 233 break;
wim 1:f0d3984f2586 234
wim 1:f0d3984f2586 235 } //switch
wim 1:f0d3984f2586 236 } //if
wim 1:f0d3984f2586 237 } //while
wim 1:f0d3984f2586 238
wim 1:f0d3984f2586 239
wim 1:f0d3984f2586 240
wim 1:f0d3984f2586 241
wim 1:f0d3984f2586 242 #if(0)
wim 1:f0d3984f2586 243
wim 1:f0d3984f2586 244
wim 0:d83a90125711 245 // CS = 1;
wim 0:d83a90125711 246
wim 0:d83a90125711 247 spi.format(8, 0);
wim 0:d83a90125711 248 // spi.frequency(100000);
wim 0:d83a90125711 249 // spi.frequency(500000);
wim 0:d83a90125711 250 spi.frequency(1000000);
wim 0:d83a90125711 251 // spi.frequency(1500000);
wim 0:d83a90125711 252
wim 0:d83a90125711 253
wim 1:f0d3984f2586 254
wim 0:d83a90125711 255 while(1) {
wim 0:d83a90125711 256 CS=0;
wim 0:d83a90125711 257 spi.write(0xAA);
wim 0:d83a90125711 258 spi.write(0x81);
wim 0:d83a90125711 259 CS=1;
wim 0:d83a90125711 260 wait_us(5);
wim 0:d83a90125711 261 }
wim 0:d83a90125711 262 #endif
wim 0:d83a90125711 263
wim 0:d83a90125711 264 pc.printf("\nBye World!\n");
wim 0:d83a90125711 265 }