Wim Huiskamp / Mbed 2 deprecated SC16IS750_Test

Testsoftware for SC16IS750

Dependencies:   SC16IS750 mbed

main.cpp@1:f0d3984f2586, 2014-02-09 (annotated)

Committer:
wim
Date:
Sun Feb 09 14:58:33 2014 +0000
Revision:
1:f0d3984f2586
Parent:
0:d83a90125711
Child:
2:8aba07490dce
working main, tested on BOB

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 0:d83a90125711 4 //SPI Version
wim 0:d83a90125711 5 SPI spi(PTD2, PTD3, PTD1); //MOSI, MISO, SCK
wim 0:d83a90125711 6 //DigitalOut CS(PTD0); //CS
wim 1:f0d3984f2586 7 SC16IS750_SPI serial_bridge(&spi, PTD0);
wim 0:d83a90125711 8
wim 0:d83a90125711 9 //I2C Version
wim 1:f0d3984f2586 10 //I2C i2c(PTE0, PTE1); //SDA, SCL
wim 1:f0d3984f2586 11 //SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR);
wim 0:d83a90125711 12
wim 0:d83a90125711 13 DigitalOut myled1(LED_RED);
wim 1:f0d3984f2586 14 //DigitalOut myled2(LED_GREEN);
wim 1:f0d3984f2586 15 //DigitalOut myled3(LED_BLUE); // Same as PTD1 (SCK)
wim 1:f0d3984f2586 16 DigitalOut heartbeatLED(LED_GREEN);
wim 0:d83a90125711 17
wim 0:d83a90125711 18 Serial pc(USBTX,USBRX);
wim 0:d83a90125711 19
wim 1:f0d3984f2586 20 void show_menu() {
wim 1:f0d3984f2586 21 pc.printf("0: Exit\n\r");
wim 1:f0d3984f2586 22 pc.printf("1: Show Menu\n\r");
wim 1:f0d3984f2586 23 pc.printf("2: Init\n\r");
wim 1:f0d3984f2586 24 pc.printf("3: IO Out\n\r");
wim 1:f0d3984f2586 25 pc.printf("4: Echo Text\n\r");
wim 1:f0d3984f2586 26
wim 1:f0d3984f2586 27 #if(0)
wim 1:f0d3984f2586 28
wim 1:f0d3984f2586 29 pc.printf("5: \n\r");
wim 1:f0d3984f2586 30 pc.printf("6: \n\r");
wim 1:f0d3984f2586 31 pc.printf("7: \n\r");
wim 1:f0d3984f2586 32 pc.printf("8: \n\r");
wim 1:f0d3984f2586 33 pc.printf("9: \n\r");
wim 1:f0d3984f2586 34 pc.printf("A: \n\r");
wim 1:f0d3984f2586 35 pc.printf("B: \n\r");
wim 1:f0d3984f2586 36 pc.printf("C: \n\r");
wim 1:f0d3984f2586 37 pc.printf("D: \n\r");
wim 1:f0d3984f2586 38 pc.printf("P: \n\r");
wim 1:f0d3984f2586 39 #endif
wim 1:f0d3984f2586 40 pc.printf("\n\r");
wim 1:f0d3984f2586 41 }
wim 1:f0d3984f2586 42
wim 1:f0d3984f2586 43 // Variables for Heartbeat and Status monitoring
wim 1:f0d3984f2586 44 Ticker heartbeat;
wim 1:f0d3984f2586 45 bool heartbeatflag=false;
wim 1:f0d3984f2586 46
wim 1:f0d3984f2586 47 // Local functions
wim 1:f0d3984f2586 48 void clear_screen() {
wim 1:f0d3984f2586 49 //ANSI Terminal Commands
wim 1:f0d3984f2586 50 pc.printf("\x1B[2J");
wim 1:f0d3984f2586 51 pc.printf("\x1B[H");
wim 1:f0d3984f2586 52 }
wim 1:f0d3984f2586 53
wim 1:f0d3984f2586 54
wim 1:f0d3984f2586 55 // Heartbeat monitor
wim 1:f0d3984f2586 56 void pulse() {
wim 1:f0d3984f2586 57 heartbeatLED = !heartbeatLED;
wim 1:f0d3984f2586 58 }
wim 1:f0d3984f2586 59
wim 1:f0d3984f2586 60 void heartbeat_start() {
wim 1:f0d3984f2586 61 heartbeat.attach(&pulse, 0.5);
wim 1:f0d3984f2586 62 }
wim 1:f0d3984f2586 63
wim 1:f0d3984f2586 64 void heartbeat_stop() {
wim 1:f0d3984f2586 65 heartbeat.detach();
wim 1:f0d3984f2586 66 }
wim 1:f0d3984f2586 67
wim 1:f0d3984f2586 68
wim 0:d83a90125711 69 int main() {
wim 1:f0d3984f2586 70 bool running=true;
wim 1:f0d3984f2586 71 char command;
wim 1:f0d3984f2586 72 int i=0;
wim 1:f0d3984f2586 73
wim 1:f0d3984f2586 74 pc.printf("\nHello World!\n\r");
wim 1:f0d3984f2586 75
wim 1:f0d3984f2586 76 heartbeat_start();
wim 1:f0d3984f2586 77
wim 1:f0d3984f2586 78 myled1 = 1; // LED Off
wim 1:f0d3984f2586 79
wim 1:f0d3984f2586 80 // We need to enable flow control or we overflow buffers and
wim 1:f0d3984f2586 81 // lose data when used with the WiFly. Note that flow control
wim 1:f0d3984f2586 82 // needs to be enabled on the WiFly for this to work but it's
wim 1:f0d3984f2586 83 // possible to do that with flow control enabled here but not there.
wim 1:f0d3984f2586 84 // serial_bridge.set_flow_control(SC16IS750::RTSCTS);
wim 1:f0d3984f2586 85
wim 1:f0d3984f2586 86 serial_bridge.ioSetDirection(0xFF); // All outputs
wim 1:f0d3984f2586 87 serial_bridge.ioSetState(0x00); // All On
wim 1:f0d3984f2586 88
wim 1:f0d3984f2586 89 show_menu();
wim 1:f0d3984f2586 90
wim 1:f0d3984f2586 91 while(running) {
wim 0:d83a90125711 92
wim 1:f0d3984f2586 93 if(pc.readable()) {
wim 1:f0d3984f2586 94 command = pc.getc();
wim 1:f0d3984f2586 95 pc.printf("command= %c \n\r", command);
wim 1:f0d3984f2586 96
wim 1:f0d3984f2586 97 switch (command) {
wim 1:f0d3984f2586 98 case '0' :
wim 1:f0d3984f2586 99 pc.printf("Done\n\r");
wim 1:f0d3984f2586 100 running = false;
wim 1:f0d3984f2586 101 break;
wim 1:f0d3984f2586 102
wim 1:f0d3984f2586 103 case '1' :
wim 1:f0d3984f2586 104 show_menu();
wim 1:f0d3984f2586 105 break;
wim 1:f0d3984f2586 106
wim 1:f0d3984f2586 107 case '2' :
wim 1:f0d3984f2586 108 pc.printf("Init\n\r");
wim 1:f0d3984f2586 109 serial_bridge._init();
wim 1:f0d3984f2586 110 break;
wim 1:f0d3984f2586 111
wim 1:f0d3984f2586 112 case '3' :
wim 1:f0d3984f2586 113 pc.printf("IO Out\n\r");
wim 1:f0d3984f2586 114
wim 1:f0d3984f2586 115 i=0;
wim 1:f0d3984f2586 116 while (!pc.readable()) {
wim 1:f0d3984f2586 117 serial_bridge.ioSetState(~i);
wim 1:f0d3984f2586 118 serial_bridge.ioGetState() ; //test
wim 1:f0d3984f2586 119 wait(0.5);
wim 1:f0d3984f2586 120 pc.putc('*');
wim 1:f0d3984f2586 121 i=(i+1) & 0xFF;
wim 1:f0d3984f2586 122 }
wim 1:f0d3984f2586 123
wim 1:f0d3984f2586 124 pc.getc();
wim 1:f0d3984f2586 125 pc.printf("IO Out Done\n\r");
wim 1:f0d3984f2586 126 break;
wim 1:f0d3984f2586 127
wim 1:f0d3984f2586 128 case '4' :
wim 1:f0d3984f2586 129 pc.printf("Echo Text, Enter '$' to quit...\n\r");
wim 1:f0d3984f2586 130
wim 1:f0d3984f2586 131 char ch;
wim 1:f0d3984f2586 132 bool running_test=true;
wim 1:f0d3984f2586 133
wim 1:f0d3984f2586 134 while (running_test) {
wim 1:f0d3984f2586 135 // From SPI/I2C to serial
wim 1:f0d3984f2586 136 while (running_test && pc.readable()) {
wim 1:f0d3984f2586 137 ch = pc.getc();
wim 1:f0d3984f2586 138 running_test = (ch != '$');
wim 1:f0d3984f2586 139 serial_bridge.putc(ch);
wim 1:f0d3984f2586 140 }
wim 1:f0d3984f2586 141
wim 1:f0d3984f2586 142 // From Serial to SPI/I2C
wim 1:f0d3984f2586 143 while (running_test && serial_bridge.readable()) {
wim 1:f0d3984f2586 144 ch = serial_bridge.getc();
wim 1:f0d3984f2586 145 running_test = (ch != '$');
wim 1:f0d3984f2586 146 pc.putc(ch);
wim 1:f0d3984f2586 147 }
wim 1:f0d3984f2586 148
wim 1:f0d3984f2586 149 }
wim 1:f0d3984f2586 150
wim 1:f0d3984f2586 151 pc.printf("\n\rEcho Text Done\n\r");
wim 1:f0d3984f2586 152 break;
wim 1:f0d3984f2586 153
wim 1:f0d3984f2586 154 default :
wim 1:f0d3984f2586 155 break;
wim 1:f0d3984f2586 156
wim 1:f0d3984f2586 157 } //switch
wim 1:f0d3984f2586 158 } //if
wim 1:f0d3984f2586 159 } //while
wim 1:f0d3984f2586 160
wim 1:f0d3984f2586 161
wim 1:f0d3984f2586 162
wim 1:f0d3984f2586 163
wim 1:f0d3984f2586 164 #if(0)
wim 1:f0d3984f2586 165
wim 1:f0d3984f2586 166
wim 0:d83a90125711 167 // CS = 1;
wim 0:d83a90125711 168
wim 0:d83a90125711 169 spi.format(8, 0);
wim 0:d83a90125711 170 // spi.frequency(100000);
wim 0:d83a90125711 171 // spi.frequency(500000);
wim 0:d83a90125711 172 spi.frequency(1000000);
wim 0:d83a90125711 173 // spi.frequency(1500000);
wim 0:d83a90125711 174
wim 0:d83a90125711 175
wim 1:f0d3984f2586 176
wim 0:d83a90125711 177 while(1) {
wim 0:d83a90125711 178 CS=0;
wim 0:d83a90125711 179 spi.write(0xAA);
wim 0:d83a90125711 180 spi.write(0x81);
wim 0:d83a90125711 181 CS=1;
wim 0:d83a90125711 182 wait_us(5);
wim 0:d83a90125711 183 }
wim 0:d83a90125711 184 #endif
wim 0:d83a90125711 185
wim 0:d83a90125711 186 pc.printf("\nBye World!\n");
wim 0:d83a90125711 187 }