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Merge pull request #428 from mehlis/native-ltc-fix

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Native ltc fixes and cleanup
This commit is contained in:
Christian Mehlis 2013-12-19 09:31:32 -08:00
commit e890b227e1
1 changed files with 28 additions and 17 deletions
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45
boards/native/drivers/native-ltc4150.c
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@ -22,30 +22,37 @@
#include <err.h>
#include "ltc4150_arch.h"
#include "debug.h"
#include "cpu.h"
#include "cpu-conf.h"
#include "hwtimer.h"
#include "irq.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
#define native_ltc4150_startup_delay 10
#define LTC_TIMER_INTERVAL (10 * 1000UL) // 10 ms
static int _int_enabled;
static int hwtimer_id;
static int _native_ltc_hwtimer_id = -1;
/**
* native ltc4150 hwtimer - interrupt handler proxy
*/
static void _int_handler()
static void _native_ltc_int_handler()
{
DEBUG("ltc4150 _int_handler()\n");
ltc4150_interrupt();
if (_int_enabled == 1) {
hwtimer_id = hwtimer_set(LTC_TIMER_INTERVAL, _int_handler, NULL);
if (hwtimer_id == -1) {
DEBUG("_native_ltc_int_handler()\n");
if (_native_ltc_hwtimer_id != -1) {
ltc4150_interrupt();
_native_ltc_hwtimer_id = hwtimer_set(LTC_TIMER_INTERVAL, _native_ltc_int_handler, NULL);
if (_native_ltc_hwtimer_id == -1) {
errx(1, "_int_handler: hwtimer_set");
}
else {
DEBUG("_native_ltc_int_handler: _native_ltc_hwtimer_id is %d\n", _native_ltc_hwtimer_id);
}
}
else {
DEBUG("_native_ltc_int_handler was called although no hwtimer is set\n");
}
}
@ -54,9 +61,13 @@ static void _int_handler()
*/
void ltc4150_disable_int(void)
{
unsigned state = disableIRQ();
DEBUG("ltc4150_disable_int()\n");
_int_enabled = 0;
hwtimer_remove(hwtimer_id);
if (_native_ltc_hwtimer_id != -1) {
hwtimer_remove(_native_ltc_hwtimer_id);
_native_ltc_hwtimer_id = -1;
}
restoreIRQ(state);
}
/**
@ -65,11 +76,13 @@ void ltc4150_disable_int(void)
void ltc4150_enable_int(void)
{
DEBUG("ltc4150_enable_int()\n");
_int_enabled = 1;
hwtimer_id = hwtimer_set(LTC_TIMER_INTERVAL, _int_handler, NULL);
if (hwtimer_id == -1) {
_native_ltc_hwtimer_id = hwtimer_set(LTC_TIMER_INTERVAL, _native_ltc_int_handler, NULL);
if (_native_ltc_hwtimer_id == -1) {
errx(1, "ltc4150_enable_int: hwtimer_set");
}
else {
DEBUG("ltc4150_enable_int: _native_ltc_hwtimer_id is %d\n", _native_ltc_hwtimer_id);
}
}
/**
@ -78,8 +91,6 @@ void ltc4150_enable_int(void)
void ltc4150_sync_blocking(void)
{
DEBUG("ltc4150_sync_blocking()\n");
for (int i = native_ltc4150_startup_delay; i > 0; i--);
}
/**