main.cpp

00001 #include "mbed.h"
00002 #include "rtos.h"
00003 #include "USBSerial.h"
00004 #include "max32625pico.h"
00005 #include "SerialInterface.h"
00006 
00007 #define USB_MAX_RESP_LENGTH  511
00008 #define USB_MAX_CMD_LENGTH  511
00009 
00010 // configure VDDIOH to local 3.3V supply, set dipVio and swdVio to 1.8V supply
00011 MAX32625PICO pico(MAX32625PICO::IOH_3V3, MAX32625PICO::VIO_1V8, MAX32625PICO::VIO_1V8);
00012 
00013 // Virtual serial port over USB
00014 USBSerial microUSB(0x0B6A, 0x4360);
00015 
00016 // Serial Interfaces
00017 I2C i2c(P1_6, P1_7);
00018 SPI spi(P0_5, P0_6, P0_4);
00019 DigitalInOut gpio[] = {P0_0, P0_1, P0_2, P0_3, P4_4, P4_5, P4_6, P4_7};
00020 AnalogIn ain[] = {AIN_0, AIN_1, AIN_2, AIN_3, AIN_4, AIN_5, AIN_6, AIN_7};
00021 
00022 // Serial Interface Adapter
00023 SerialInterface serInt(&i2c, &spi, gpio, ain);
00024 
00025 // Threads
00026 Thread threadUSB;
00027 
00028 DigitalOut rLED(LED1);
00029 DigitalOut gLED(LED2);
00030 DigitalOut bLED(LED3);
00031 
00032 void usb_thread()
00033 {
00034     char obuf[USB_MAX_RESP_LENGTH +1];
00035     char ibuf[USB_MAX_CMD_LENGTH +1];
00036     int i = 0;
00037 
00038     microUSB.printf("micro USB serial port\r\n");
00039 
00040     while(1) {
00041         if (microUSB.readable()) {
00042             ibuf[i]=microUSB.getc();
00043             if (ibuf[i]!='\r') {
00044                 if (i < USB_MAX_CMD_LENGTH) {
00045                     i += 1;
00046                 }
00047             } else {
00048                 bLED = LED_ON;
00049                 if (i < USB_MAX_CMD_LENGTH) {
00050                     ibuf[i]=0;
00051 //                    microUSB.printf("UART CMD:  %s=", ibuf);
00052                     serInt.call(ibuf, obuf);
00053                     microUSB.printf("%s\r\n", obuf);
00054                 } else {
00055                     microUSB.printf("[-1]\r\n");
00056                 }
00057                 i=0;
00058                 bLED = LED_OFF;
00059             }
00060         }
00061     }
00062 }
00063 
00064 
00065 // main() runs in its own thread in the OS
00066 // (note the calls to Thread::wait below for delays)
00067 int main()
00068 {
00069     rLED = LED_ON;
00070     gLED = LED_ON;
00071     bLED = LED_OFF;
00072 
00073 //  Configure P4_4 through P4_7 for 3.3V I/O
00074     pico.vddioh(P4_4, MAX32625PICO::VIO_IOH);
00075     pico.vddioh(P4_5, MAX32625PICO::VIO_IOH);
00076     pico.vddioh(P4_6, MAX32625PICO::VIO_IOH);
00077     pico.vddioh(P4_7, MAX32625PICO::VIO_IOH);
00078 
00079     rLED = LED_OFF;
00080 
00081 // Start USB serial thread
00082     threadUSB.start(usb_thread);
00083 
00084 // Start main loop
00085     while(1) {
00086         Thread::wait(500);
00087         gLED = !gLED;
00088     }
00089 }
00090