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changeset 78:e3d40f49d8c4

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buzplayer timer implementation finished
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Oct 2016 04:04:38 +0000
parents 0f11da299b7d
children 49d2684805b1
files target-utils/buzplayer/timer.c
diffstat 1 files changed, 15 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/target-utils/buzplayer/timer.c	Thu Oct 27 04:01:16 2016 +0000
+++ b/target-utils/buzplayer/timer.c	Thu Oct 27 04:04:38 2016 +0000
@@ -11,9 +11,24 @@
 #include "types.h"
 #include "timer.h"
 
+void
 timer_init()
 {
 	TIMER1_REGS.cntl = CNTL_CLOCK_ENABLE;
 	TIMER1_REGS.load = 1875;
 	TIMER1_REGS.cntl = CNTL_CLOCK_ENABLE | CNTL_AUTO_RELOAD | CNTL_START;
 }
+
+void
+wait_for_tdma_frame()
+{
+	u16 read1, read2;
+
+	read1 = TIMER1_REGS.read;
+	for (;;) {
+		read2 = TIMER1_REGS.read;
+		if (read2 > read1)
+			return;
+		read1 = read2;
+	}
+}