Thomas Moxon
First SPI/SDcard & UART tests
Dependencies: SDFileSystem mbed-rtos mbed cmsis_rtos_demo_thread
Fork of
cmsis_rtos_demo_thread
by 
Ye Cheng
Revision 2:23757aa762a7, committed 2014-09-29
- Comitter:
- moxondesign
- Date:
- Mon Sep 29 23:00:24 2014 +0000
- Parent:
- 1:cbda4d713dc8
- Child:
- 3:9fa442c3fd27
- Commit message:
- initial version
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Mon Sep 29 23:00:24 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/teams/mbed/code/SDFileSystem/#7b35d1709458
--- a/main.cpp Sun Jan 06 15:03:57 2013 +0000
+++ b/main.cpp Mon Sep 29 23:00:24 2014 +0000
@@ -1,99 +1,67 @@
-/******************************************************************************
-* DESCRIPTION:
-* A "hello world" CMSIS RTOS program which demonstrates another safe way
-* to pass arguments to threads during thread creation. In this case,
-* a structure is used to pass multiple arguments.
-* AUTHOR: Blaise Barney
-* MODIFICATOR: (Simon) CHENG Ye
-* LAST REVISED: 06/JAN/2013
-******************************************************************************/
-
#include "mbed.h"
#include "cmsis_os.h"
-
-#define NUM_THREADS 8
-
-Serial debug(USBTX, USBRX); // For mbed debug by serial port.
-char *messages[NUM_THREADS];
+#include "SDFileSystem.h"
-struct thread_data
-{
- int thread_id;
- int sum;
- char *message;
-};
-struct thread_data thread_data_array[NUM_THREADS];
+DigitalOut led1(D7);
+DigitalOut led2(PD_2);
+Serial uart1(D8, D2); /* UART1: Modbus */
+Serial uart2(D1, D0); /* UART2: pc(USBTX, USBRX) */
+ /* (i.e.) pc(D1, D0) */
+SDFileSystem sd(D11, D12, D13, D10, "sd"); /* MOSI, MISO, SCK, CS */
+FILE *fp;
-void PrintHello(void const *threadarg)
-{
- int taskid, sum;
- char *hello_msg;
- struct thread_data *my_data;
- osThreadId id;
+void led2_thread(void const *args){
+ while (true) {
+ led2 = !led2;
+ osDelay(1000);
+ }
+}
- osDelay(1000);
- my_data = (struct thread_data *) threadarg;
- taskid = my_data->thread_id;
- sum = my_data->sum;
- hello_msg = my_data->message;
- printf("Thread %d: %s Sum=%d\n", taskid, hello_msg, sum);
- id = osThreadGetId();
- osThreadTerminate(id);
+void uart1_thread(const void *args){
+ uart1.baud(9600);
+ while(true){
+ uart1.putc(uart1.getc());
+ }
+}
+void uart2_thread(const void *args){
+ uart2.baud(9600);
+ while(true){
+ uart2.putc(uart2.getc());
+ }
}
-void t0(void const *argument) {PrintHello(argument);}
-osThreadDef(t0, osPriorityNormal, DEFAULT_STACK_SIZE);
-
-void t1(void const *argument) {PrintHello(argument);}
-osThreadDef(t1, osPriorityNormal, DEFAULT_STACK_SIZE);
-
-void t2(void const *argument) {PrintHello(argument);}
-osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
-
-void t3(void const *argument) {PrintHello(argument);}
-osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
+osThreadDef(uart1_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+osThreadDef(uart2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+osThreadDef(led2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
-void t4(void const *argument) {PrintHello(argument);}
-osThreadDef(t4, osPriorityNormal, DEFAULT_STACK_SIZE);
-
-void t5(void const *argument) {PrintHello(argument);}
-osThreadDef(t5, osPriorityNormal, DEFAULT_STACK_SIZE);
-
-void t6(void const *argument) {PrintHello(argument);}
-osThreadDef(t6, osPriorityNormal, DEFAULT_STACK_SIZE);
-
-void t7(void const *argument) {PrintHello(argument);}
-osThreadDef(t7, osPriorityNormal, DEFAULT_STACK_SIZE);
+int main() {
+ osThreadCreate(osThread(led2_thread), NULL);
+ osThreadCreate(osThread(uart1_thread), NULL);
-int main()
-{
- debug.baud(57600);
- int t, sum;
-
- sum=0;
- messages[0] = "English: Hello World!";
- messages[1] = "French: Bonjour, le monde!";
- messages[2] = "Spanish: Hola al mundo";
- messages[3] = "Klingon: Nuq neH!";
- messages[4] = "German: Guten Tag, Welt!";
- messages[5] = "Russian: Zdravstvytye, mir!";
- messages[6] = "Japan: Sekai e konnichiwa!";
- messages[7] = "Latin: Orbis, te saluto!";
-
- for(t=0;t<NUM_THREADS;t++)
- {
- sum = sum + t;
- thread_data_array[t].thread_id = t;
- thread_data_array[t].sum = sum;
- thread_data_array[t].message = messages[t];
- printf("Creating thread %d\n", t);
- if(t==0) osThreadCreate(osThread(t0), (void *)&thread_data_array[t]);
- if(t==1) osThreadCreate(osThread(t1), (void *)&thread_data_array[t]);
- if(t==2) osThreadCreate(osThread(t2), (void *)&thread_data_array[t]);
- if(t==3) osThreadCreate(osThread(t3), (void *)&thread_data_array[t]);
- if(t==4) osThreadCreate(osThread(t4), (void *)&thread_data_array[t]);
- if(t==5) osThreadCreate(osThread(t5), (void *)&thread_data_array[t]);
- if(t==6) osThreadCreate(osThread(t6), (void *)&thread_data_array[t]);
- if(t==7) osThreadCreate(osThread(t7), (void *)&thread_data_array[t]);
+
+ wait(1);
+ uart2.printf("\r\n");
+ wait(1);
+ uart2.printf("Initializing...\r\n");
+
+ fp = fopen("/sd/hello.txt", "r");
+ if (fp != NULL) {
+ fclose(fp);
+ remove("/sd/hello.txt");
+ uart2.printf("Remove an existing file with the same name\r\n");
}
+
+ fp = fopen("/sd/hello.txt", "w");
+ if (fp == NULL) {
+ uart2.printf("Unable to write the file\r\n");
+ } else {
+ fprintf(fp, "mbed SDCard application!");
+ fclose(fp);
+ uart2.printf("File successfully written!\r\n");
+ }
+
+ osThreadCreate(osThread(uart2_thread), NULL);
+
+ /* spin and spin */
+ while(true);
}
--- a/mbed-rtos.lib Sun Jan 06 15:03:57 2013 +0000 +++ b/mbed-rtos.lib Mon Sep 29 23:00:24 2014 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/#88a1a9c26ae3 +http://mbed.org/users/mbed_official/code/mbed-rtos/#5aaddf3695c4
--- a/mbed.bld Sun Jan 06 15:03:57 2013 +0000 +++ b/mbed.bld Mon Sep 29 23:00:24 2014 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/63cdd78b2dc1 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013 \ No newline at end of file