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authorLeo C2015-06-11 17:43:28 +0200
committerLeo C2015-06-11 17:43:28 +0200
commit1157e75889d3d6d23d1e2514f401cd5b354bd149 (patch)
treeedad2bcaddaec49a18a1b4bac2b813ce9e5a36bf /avr/timer.c
parent8506d791786eea8ee55db5418a8f646bb2dd3a6d (diff)
parent057817cb1dc71416bc798b5cd592acfcea87efaa (diff)
downloadz180-stamp-1157e75889d3d6d23d1e2514f401cd5b354bd149.zip
Merge branch 'master' into cmdline_edit
Diffstat (limited to 'avr/timer.c')
-rw-r--r--avr/timer.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/avr/timer.c b/avr/timer.c
index 7907bba..f45f267 100644
--- a/avr/timer.c
+++ b/avr/timer.c
@@ -1,9 +1,13 @@
/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include "common.h"
#include <avr/interrupt.h>
#include <util/atomic.h>
+#include "time.h"
#include "timer.h"
/* timer interrupt/overflow counter */
@@ -11,14 +15,14 @@
static volatile
uint32_t timestamp;
-/*---------------------------------------------------------*/
-/* 1000Hz timer interrupt generated by OC3A */
-/*---------------------------------------------------------*/
-
+/*
+ * 1000Hz timer interrupt generated by OC3A
+ */
ISR(TIMER3_COMPA_vect)
{
static int_fast8_t tick_10ms;
- int_fast8_t i;
+ static int_fast8_t tick_1s;
+ int_fast8_t i, j;
extern void disk_timerproc(void);
@@ -26,11 +30,18 @@ ISR(TIMER3_COMPA_vect)
i = tick_10ms + 1;
if (i == 10) {
- i = 0;
Stat |= S_10MS_TO;
/* Drive timer procedure of low level disk I/O module */
disk_timerproc();
+
+ j = tick_1s - 1;
+ if (j == 0) {
+ system_tick();
+ j = 100;
+ }
+ tick_1s = j;
+ i = 0;
}
tick_10ms = i;
}