X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fao.h;h=e2f137bdafd02eb7aeac390a3123c6bd75d20a7a;hb=442b1ef18c8320d4e5329dc92bb5268a36058fc5;hp=84e92f35e77ced7eb5c581c6c43230f9eabc110f;hpb=251b0971f049cbf2f8db79a32729d47441ce65f3;p=fw%2Faltos

diff --git a/src/ao.h b/src/ao.h
index 84e92f35..e2f137bd 100644
--- a/src/ao.h
+++ b/src/ao.h
@@ -40,6 +40,7 @@
 /* An AltOS task */
 struct ao_task {
 	__xdata void *wchan;		/* current wait channel (NULL if running) */
+	uint16_t alarm;			/* abort ao_sleep time */
 	uint8_t	stack_count;		/* amount of saved stack */
 	uint8_t task_id;		/* index in the task array */
 	__code char *name;		/* task name */
@@ -55,8 +56,12 @@ extern __xdata struct ao_task *__data ao_cur_task;
  ao_task.c
  */
 
-/* Suspend the current task until wchan is awoken */
-void
+/* Suspend the current task until wchan is awoken.
+ * returns:
+ *  0 on normal wake
+ *  1 on alarm
+ */
+uint8_t
 ao_sleep(__xdata void *wchan);
 
 /* Wake all tasks sleeping on wchan */
@@ -67,6 +72,10 @@ ao_wakeup(__xdata void *wchan);
 void
 ao_wake_task(__xdata struct ao_task *task);
 
+/* set an alarm to go off in 'delay' ticks */
+void
+ao_alarm(uint16_t delay);
+
 /* Yield the processor to another task */
 void
 ao_yield(void) _naked;
@@ -356,7 +365,6 @@ ao_cmd_init(void);
 
 #define AO_DMA_DONE	1
 #define AO_DMA_ABORTED	2
-#define AO_DMA_TIMEOUT	4
 
 uint8_t
 ao_dma_alloc(__xdata uint8_t * done);
@@ -380,7 +388,7 @@ ao_dma_trigger(uint8_t id);
 
 /* Abort a running DMA transfer */
 void
-ao_dma_abort(uint8_t id, uint8_t reason);
+ao_dma_abort(uint8_t id);
 
 /* DMA interrupt routine */
 void
@@ -835,7 +843,7 @@ void
 ao_radio_rdf(int ms);
 
 void
-ao_radio_abort(uint8_t reason);
+ao_radio_abort(void);
 
 void
 ao_radio_rdf_abort(void);
@@ -973,6 +981,7 @@ struct ao_fifo {
  */
 
 #define AO_PACKET_MAX	8
+#define AO_PACKET_SYN		0xff
 
 struct ao_packet {
 	uint8_t		addr;