main.cpp

00001 #include "mbed.h"
00002 #include "rtos.h"
00003 #include "cmsis_os.h"
00004 #include "SDFileSystem.h"
00005 
00006 DigitalOut led1(D7);
00007 DigitalOut led2(D9);
00008 Serial uart1(D8, D2);                        /* UART1: Modbus               */
00009 Serial uart2(D1, D0);                        /* UART2: pc(USBTX, USBRX)     */
00010                                              /* (i.e.) pc(D1, D0)           */
00011 I2C i2c(I2C_SDA, I2C_SCL);                   /* I2C1:                       */
00012                                              
00013 SDFileSystem sd(D11, D12, D13, D10, "sd");   /* SPI1: MOSI, MISO, SCK, CS   */
00014 FILE *fp;
00015 
00016 AnalogIn ain_0(A0);
00017 AnalogIn ain_1(A1);
00018 AnalogIn ain_2(A2);
00019 AnalogIn ain_3(A3);
00020 
00021 InterruptIn user_sw_1(USER_BUTTON);
00022 
00023 /* N.B. - add to the FRU... */
00024 //const char key[] = "your_api_key";    // Replace with your API key
00025 //const char feed[] = "your_feed_id";   // Replace with your Feed ID
00026 //const char stream[] = "your_stream_name"; // Replace with your stream name  
00027 //char name[] = "your_device_location_name"; // Name of current location of datasource
00028 //double latitude = 30.3748076;
00029 //double longitude = -97.7386896; // You can also read those values from a GPS
00030 //double elevation = 400.00;
00031 
00032 void led2_thread(void const *args){
00033     while (true) {
00034         led1 = led2;
00035         led2 = !led2;
00036         osDelay(1000);
00037     }
00038 }
00039 
00040 void uart1_thread(const void *args){
00041     uart1.baud(9600);
00042     while(true){
00043         uart1.putc(uart1.getc());
00044     }
00045 }
00046 void uart2_thread(const void *args){
00047     uart2.baud(9600);
00048     while(true){
00049         uart2.putc(uart2.getc());
00050     }
00051 }
00052 
00053 osThreadDef(uart1_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
00054 osThreadDef(uart2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
00055 osThreadDef(led2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
00056 
00057 int main() {
00058     
00059     /* Set RTC time to 16 December 2013 10:05:23 UTC */
00060     set_time(1387188323);
00061     /* Time as seconds since January 1, 1970 */
00062     time_t seconds = time(NULL); /*  */
00063     
00064     osThreadCreate(osThread(led2_thread), NULL);
00065     osThreadCreate(osThread(uart1_thread), NULL);
00066     wait(1);
00067     
00068     uart2.printf("\r\n");
00069     wait(1);
00070     uart2.printf("Initializing...\r\n");
00071     
00072     fp = fopen("/sd/hello.txt", "r");
00073     if (fp != NULL) {
00074         fclose(fp);
00075         remove("/sd/hello.txt");
00076         uart2.printf("Remove an existing file with the same name\r\n");
00077     }
00078     
00079     fp = fopen("/sd/hello.txt", "w");
00080     if (fp == NULL) {
00081         uart2.printf("Unable to write the file\r\n");
00082     } else {
00083         fprintf(fp, "mbed SDCard application!");
00084         fclose(fp);
00085         uart2.printf("File successfully written!\r\n");
00086     }
00087     
00088     osThreadCreate(osThread(uart2_thread), NULL);
00089     
00090     Thread::wait(osWaitForever);    /* this is better than an infinite loop... */
00091     /* spin and spin */    
00092     // while(true);
00093 }