From 4a38cf6f44d1c013cbe794093ea6c5b50337431a Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Thu, 14 Apr 2016 18:50:38 -0400
Subject: import mbed rtos library

---
 projects/rtos-test/Makefile         | 18 +++++++++++++++++
 projects/rtos-test/mutex-test.c     | 40 +++++++++++++++++++++++++++++++++++++
 projects/rtos-test/semaphore-test.c | 34 +++++++++++++++++++++++++++++++
 projects/rtos-test/thread-test.c    | 24 ++++++++++++++++++++++
 4 files changed, 116 insertions(+)
 create mode 100644 projects/rtos-test/Makefile
 create mode 100644 projects/rtos-test/mutex-test.c
 create mode 100644 projects/rtos-test/semaphore-test.c
 create mode 100644 projects/rtos-test/thread-test.c

(limited to 'projects/rtos-test')

diff --git a/projects/rtos-test/Makefile b/projects/rtos-test/Makefile
new file mode 100644
index 0000000..dd2cab5
--- /dev/null
+++ b/projects/rtos-test/Makefile
@@ -0,0 +1,18 @@
+TEST = thread-test semaphore-test mutex-test
+
+all: $(TEST:=.elf)
+
+%.elf: %.o $(BOARD_OBJS) $(LIBS)
+	$(CC) $(CFLAGS) $^ -o $@ -T$(LDSCRIPT) -g -Wl,-Map=$*.map
+	$(OBJCOPY) -O ihex $*.elf $*.hex
+	$(OBJCOPY) -O binary $*.elf $*.bin
+	$(OBJDUMP) -St $*.elf >$*.lst
+	$(SIZE) $*.elf
+
+clean:
+	rm -f *.o
+	rm -f *.elf
+	rm -f *.hex
+	rm -f *.bin
+	rm -f *.map
+	rm -f *.lst
diff --git a/projects/rtos-test/mutex-test.c b/projects/rtos-test/mutex-test.c
new file mode 100644
index 0000000..402f9ba
--- /dev/null
+++ b/projects/rtos-test/mutex-test.c
@@ -0,0 +1,40 @@
+#include "cmsis_os.h"
+
+#include "stm-init.h"
+#include "stm-uart.h"
+
+osMutexId stdio_mutex;
+osMutexDef(stdio_mutex);
+
+void notify(const char* name, int state) {
+    osMutexWait(stdio_mutex, osWaitForever);
+    //printf("%s: %d\n\r", name, state);
+    uart_send_string(name);
+    uart_send_string(": ");
+    uart_send_integer(state, 1);
+    uart_send_string("\r\n");
+    osMutexRelease(stdio_mutex);
+}
+
+void test_thread(void const *args) {
+    while (1) {
+        notify((const char*)args, 0); osDelay(1000);
+        notify((const char*)args, 1); osDelay(1000);
+    }
+}
+
+void t2(void const *argument) {test_thread("Th 2");}
+osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+void t3(void const *argument) {test_thread("Th 3");}
+osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main() {
+    stm_init();
+    stdio_mutex = osMutexCreate(osMutex(stdio_mutex));
+
+    osThreadCreate(osThread(t2), NULL);
+    osThreadCreate(osThread(t3), NULL);
+
+    test_thread((void *)"Th 1");
+}
diff --git a/projects/rtos-test/semaphore-test.c b/projects/rtos-test/semaphore-test.c
new file mode 100644
index 0000000..3a3b5de
--- /dev/null
+++ b/projects/rtos-test/semaphore-test.c
@@ -0,0 +1,34 @@
+#include "cmsis_os.h"
+
+#include "stm-init.h"
+#include "stm-uart.h"
+
+osSemaphoreId two_slots;
+osSemaphoreDef(two_slots);
+
+void test_thread(void const *name) {
+    while (1) {
+        osSemaphoreWait(two_slots, osWaitForever);
+        //printf("%s\n\r", (const char*)name);
+        uart_send_string((const char*)name);
+        uart_send_string("\r\n");
+        osDelay(1000);
+        osSemaphoreRelease(two_slots);
+    }
+}
+
+void t2(void const *argument) {test_thread("Th 2");}
+osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+void t3(void const *argument) {test_thread("Th 3");}
+osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main (void) {
+    stm_init();
+    two_slots = osSemaphoreCreate(osSemaphore(two_slots), 2);
+
+    osThreadCreate(osThread(t2), NULL);
+    osThreadCreate(osThread(t3), NULL);
+
+    test_thread((void *)"Th 1");
+}
diff --git a/projects/rtos-test/thread-test.c b/projects/rtos-test/thread-test.c
new file mode 100644
index 0000000..8b31a26
--- /dev/null
+++ b/projects/rtos-test/thread-test.c
@@ -0,0 +1,24 @@
+#include "cmsis_os.h"
+
+#include "stm-init.h"
+#include "stm-led.h"
+
+void led2_thread(void const *args)
+{
+    while (1) {
+        led_toggle(LED_BLUE);
+        osDelay(1000);
+    }
+}
+osThreadDef(led2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main()
+{
+    stm_init();
+    osThreadCreate(osThread(led2_thread), NULL);
+    
+    while (1) {
+        led_toggle(LED_GREEN);
+        osDelay(500);
+    }
+}
-- 
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