Testsoftware for SC16IS750
Dependencies: SC16IS750 USBDevice mbed
Fork of SC16IS750_Test by
main.cpp
- Committer:
- wim
- Date:
- 2014-02-13
- Revision:
- 2:8aba07490dce
- Parent:
- 1:f0d3984f2586
- Child:
- 3:3d4269319b51
File content as of revision 2:8aba07490dce:
#include "mbed.h" #include "SC16IS750.h" #if defined(TARGET_LPC1768) // SPI for LPC1768 #define D_MOSI p5 #define D_MISO p6 #define D_SCLK p7 #define D_CS p8 #define D_INTR p15 // Serial for LPC1768 #define D_TX USBTX #define D_RX USBRX //#define D_RST p25 //#define D_STS p26 #endif #if defined(TARGET_KL25Z) // SPI for KL25Z #define D_MOSI PTD2 #define D_MISO PTD3 #define D_SCLK PTD1 #define D_CS PTD0 //#define D_INTR p15 // I2C for KL25Z #define D_SCL PTE1 #define D_SDA PTE0 // Serial for KL25Z #define D_TX USBTX #define D_RX USBRX #endif #if defined(TARGET_LPC812) // SPI for LPC812 #define D_MOSI P0_14 #define D_MISO P0_15 #define D_SCLK P0_12 #define D_CS P0_13 //#define D_INTR P0_7 // Serial for LPC812 #define D_TX P0_4 #define D_RX P0_0 //#define D_RST P0_9 //#define D_STS P0_17 #endif //SPI Version //SPI spi(PTD2, PTD3, PTD1); //MOSI, MISO, SCK SPI spi(D_MOSI, D_MISO, D_SCLK); //MOSI, MISO, SCK //DigitalOut CS(PTD0); //CS //SC16IS750_SPI serial_bridge(&spi, PTD0); SC16IS750_SPI serial_bridge(&spi, D_CS); //I2C Version //I2C i2c(D_SDA, D_SCL); //SDA, SCL //SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR); DigitalOut myled1(LED_RED); //DigitalOut myled2(LED_GREEN); //DigitalOut myled3(LED_BLUE); // Same as PTD1 (SCK) DigitalOut heartbeatLED(LED_GREEN); Serial pc(D_TX,D_RX); void show_menu() { pc.printf("0: Exit\n\r"); pc.printf("1: Show Menu\n\r"); pc.printf("2: Init\n\r"); pc.printf("3: IO Out\n\r"); pc.printf("4: Echo Text\n\r"); pc.printf("5: Free bufferspace\n\r"); pc.printf("6: Enable RTS/CTS\n\r"); pc.printf("7: Disable RTS/CTS\n\r"); pc.printf("8: Write block\n\r"); #if(0) pc.printf("9: \n\r"); pc.printf("A: \n\r"); pc.printf("B: \n\r"); pc.printf("C: \n\r"); pc.printf("D: \n\r"); pc.printf("P: \n\r"); #endif pc.printf("\n\r"); } // Variables for Heartbeat and Status monitoring Ticker heartbeat; bool heartbeatflag=false; // Local functions void clear_screen() { //ANSI Terminal Commands pc.printf("\x1B[2J"); pc.printf("\x1B[H"); } // Heartbeat monitor void pulse() { heartbeatLED = !heartbeatLED; } void heartbeat_start() { heartbeat.attach(&pulse, 0.5); } void heartbeat_stop() { heartbeat.detach(); } int main() { bool running=true; bool running_test=true; char command, ch; int i=0; #if defined(TARGET_LPC1768) pc.printf("\r\nHello World from LPC1768\r\n"); #endif #if defined(TARGET_KL25Z) pc.printf("\r\nHello World from KL25Z\r\n"); #endif #if defined(TARGET_LPC812) pc.printf("\r\nHello World from LPC812\r\n"); #endif heartbeat_start(); myled1 = 1; // LED Off // We need to enable flow control or we overflow buffers and // lose data when used with the WiFly. Note that flow control // needs to be enabled on the WiFly for this to work but it's // possible to do that with flow control enabled here but not there. // serial_bridge.set_flow_control(SC16IS750::RTSCTS); serial_bridge.ioSetDirection(0xFF); // All outputs serial_bridge.ioSetState(0x00); // All On show_menu(); while(running) { if(pc.readable()) { command = pc.getc(); pc.printf("command= %c \n\r", command); switch (command) { case '0' : pc.printf("Done\n\r"); running = false; break; case '1' : show_menu(); break; case '2' : pc.printf("Init\n\r"); serial_bridge._init(); break; case '3' : pc.printf("IO Out\n\r"); i=0; while (!pc.readable()) { serial_bridge.ioSetState(~i); serial_bridge.ioGetState() ; //test wait(0.5); pc.putc('*'); i=(i+1) & 0xFF; } pc.getc(); pc.printf("IO Out Done\n\r"); break; case '4' : pc.printf("Echo Text, Enter '$' to quit...\n\r"); running_test=true; while (running_test) { // From SPI/I2C to serial while (running_test && pc.readable()) { ch = pc.getc(); running_test = (ch != '$'); serial_bridge.putc(ch); } // From Serial to SPI/I2C while (running_test && serial_bridge.readable()) { ch = serial_bridge.getc(); running_test = (ch != '$'); pc.putc(ch); } } pc.printf("\n\rEcho Text Done\n\r"); break; case '5' : pc.printf("Available for Reading = %3d (Free Space = %3d)\n\r", serial_bridge.readableCount(), SC16IS750_FIFO_RX - serial_bridge.readableCount()); pc.printf("Available for Writing = %3d (Used Space = %3d)\n\r", serial_bridge.writableCount(), SC16IS750_FIFO_TX - serial_bridge.writableCount()); break; case '6' : pc.printf("Enable RTS/CTS\n\r"); serial_bridge.set_flow_control(SC16IS750::RTSCTS); break; case '7' : pc.printf("Disable RTS/CTS\n\r"); serial_bridge.set_flow_control(SC16IS750::Disabled); break; case '8' : pc.printf("Write block\n\r"); serial_bridge.write("Hello World from mbed and SC16IS750 "); break; default : break; } //switch } //if } //while #if(0) // CS = 1; spi.format(8, 0); // spi.frequency(100000); // spi.frequency(500000); spi.frequency(1000000); // spi.frequency(1500000); while(1) { CS=0; spi.write(0xAA); spi.write(0x81); CS=1; wait_us(5); } #endif pc.printf("\nBye World!\n"); }