633 solution updated for mbed os 54
Fork of Task633Solution-mbedos54 by
Diff: main.cpp
- Revision:
- 11:0dd6d5a87d77
- Parent:
- 10:3a3d2a571c8f
- Child:
- 12:6441be7b83c2
--- a/main.cpp Tue Mar 22 13:40:05 2016 +0000
+++ b/main.cpp Tue May 03 08:53:09 2016 +0000
@@ -43,13 +43,18 @@
};
//Memory Pool - with capacity for 16 message_t types
-MemoryPool<message_t, 16> mpool;
+//MemoryPool<message_t, 16> mpool;
//Message queue - matched to the memory pool
-Queue<message_t, 16> queue;
+//Queue<message_t, 16> queue;
+
+//Mail queue
+Mail<message_t, 16> mail_box;
+
// Call this on precise intervals
void adcISR() {
+
//Read sample - make a copy
float sample = adcIn;
@@ -58,9 +63,10 @@
uint32_t switch2State = sw2;
//Allocate a block from the memory pool
- message_t *message = mpool.alloc();
+ message_t *message = mail_box.alloc();
if (message == NULL) {
//Out of memory
+ printf("Out of memory\n\r");
redLED = 1;
return;
}
@@ -71,39 +77,55 @@
message->sw2State = switch2State;
//Write to queue
- osStatus stat = queue.put(message); //Note we are sending the "pointer"
+ osStatus stat = mail_box.put(message); //Note we are sending the "pointer"
//Check if succesful
if (stat == osErrorResource) {
redLED = 1;
printf("queue->put() Error code: %4Xh, Resource not available\r\n", stat);
- mpool.free(message);
+ mail_box.free(message);
return;
}
+
+
}
//Normal priority thread (consumer)
void thread1( const void* arg )
-{
+{
+ static int count = 0;
+
while (true) {
//Block on the queue
- osEvent evt = queue.get();
+ osEvent evt = mail_box.get();
//Check status
- if (evt.status == osEventMessage) {
+ if (evt.status == osEventMail) {
message_t *pMessage = (message_t*)evt.value.p; //This is the pointer (address)
//Make a copy
message_t msg(pMessage->adcValue, pMessage->sw1State, pMessage->sw2State);
//We are done with this, so give back the memory to the pool
- mpool.free(pMessage);
+ mail_box.free(pMessage);
//Echo to the terminal
printf("ADC Value: %.2f\t", msg.adcValue);
printf("SW1: %u\t", msg.sw1State);
printf("SW2: %u\n\r", msg.sw2State);
- }
-
-
+
+ //Update state
+ if ((msg.sw1State == 1) && (msg.sw2State == 1)) {
+ count++;
+ } else {
+ count = 0;
+ }
+ if (count == 10) {
+ greenLED = !greenLED;
+ count = 0;
+ }
+ } else {
+ printf("ERROR: %x\n\r", evt.status);
+ }
+
} //end while
}
Nicholas Outram