From c5f8eee291cf20c1a13b7258a56d3ad49da809cd Mon Sep 17 00:00:00 2001
From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
Date: Mon, 15 Apr 2013 20:11:15 +0200
Subject: [PATCH] make native ltc4150 posix rt independent
---
native/native-ltc4150.c | 44 ++++++++++++++++++++---------------------
1 file changed, 21 insertions(+), 23 deletions(-)
diff --git a/native/native-ltc4150.c b/native/native-ltc4150.c
index 99b4d0a3e5..e84501ef2c 100644
--- a/native/native-ltc4150.c
+++ b/native/native-ltc4150.c
@@ -26,11 +26,25 @@
#include "cpu.h"
#include "cpu-conf.h"
+#include "hwtimer.h"
#define native_ltc4150_startup_delay 10
-static timer_t native_ltc4150_timer;
-static struct itimerspec native_ltc4150_timer_time;
+static int _int_enabled;
+
+/**
+ * native ltc4150 hwtimer - interrupt handler proxy
+ */
+static void _int_handler()
+{
+ DEBUG("ltc4150 _int_handler()\n");
+ ltc4150_interrupt();
+ if (_int_enabled == 1) {
+ if (hwtimer_set(100000, _int_handler, NULL) == -1) {
+ errx(1, "_int_handler: hwtimer_set");
+ };
+ }
+}
/**
* unregister signal handler
@@ -38,7 +52,7 @@ static struct itimerspec native_ltc4150_timer_time;
void ltc4150_disable_int(void)
{
DEBUG("ltc4150_disable_int()\n");
- unregister_interrupt(_SIG_LTC4150);
+ _int_enabled = 0;
}
/**
@@ -47,7 +61,10 @@ void ltc4150_disable_int(void)
void ltc4150_enable_int(void)
{
DEBUG("ltc4150_enable_int()\n");
- register_interrupt(_SIG_LTC4150, ltc4150_interrupt);
+ _int_enabled = 1;
+ if (hwtimer_set(100000, _int_handler, NULL) == -1) {
+ errx(1, "ltc4150_enable_int: hwtimer_set");
+ };
}
/**
@@ -68,25 +85,6 @@ void ltc4150_arch_init(void)
ltc4150_disable_int();
- /* create timer */
- sev.sigev_notify = SIGEV_SIGNAL;
- sev.sigev_signo = _SIG_LTC4150;
- sev.sigev_value.sival_ptr = &native_ltc4150_timer;
-
- if (timer_create(CLOCK_MONOTONIC, &sev, &native_ltc4150_timer) == -1) {
- err(1, "ltc4150_arch_init(): timer_create");
- }
-
- /* set timer */
- native_ltc4150_timer_time.it_value.tv_sec = 0;
- native_ltc4150_timer_time.it_value.tv_nsec = 100000000;
- native_ltc4150_timer_time.it_interval.tv_sec = 0;
- native_ltc4150_timer_time.it_interval.tv_nsec = 100000000;
-
- if (timer_settime(native_ltc4150_timer, 0, &native_ltc4150_timer_time, NULL) == -1) {
- err(1, "ltc4150_arch_init: timer_settime");
- }
-
puts("Native LTC4150 initialized.");
}
/** @} */
--
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