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cpu/nrf51822: adjusted to RTT interface changes

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This commit is contained in:
Hauke Petersen 2014-11-07 12:12:17 +01:00
parent 1ae08f8437
commit 636287a1aa
1 changed files with 34 additions and 4 deletions
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38
cpu/nrf51822/periph/rtt.c
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@ -32,11 +32,25 @@
#if RTT_NUMOF #if RTT_NUMOF
/* /*
* callback and argument for an active alarm * @brief Callback for the active alarm
*/
static rtt_cb_t alarm_cb;
/**
* @brief Argument for the active alarm callback
*/ */
static rtt_alarm_cb_t alarm_cb;
static void *alarm_arg; static void *alarm_arg;
/**
* @brief Callback for the overflow event
*/
static rtt_cb_t overflow_cb;
/**
* @brief Argument for the overflow callback
*/
static void *overflow_arg;
void rtt_init(void) void rtt_init(void)
{ {
rtt_poweron(); rtt_poweron();
@ -55,6 +69,18 @@ void rtt_init(void)
RTT_DEV->TASKS_START = 1; RTT_DEV->TASKS_START = 1;
} }
void rtt_set_overflow_cb(rtt_cb_t cb, void *arg)
{
overflow_cb = cb;
overflow_arg = arg;
RTT_DEV->INTENSET = RTC_INTENSET_OVRFLW_Msk;
}
void rtt_clear_overflow_cb(void)
{
RTT_DEV->INTENCLR = RTC_INTENCLR_OVRFLW_Msk;
}
uint32_t rtt_get_counter(void) uint32_t rtt_get_counter(void)
{ {
return RTT_DEV->COUNTER; return RTT_DEV->COUNTER;
@ -65,7 +91,7 @@ void rtt_set_counter(uint32_t counter)
/* not supported for the NRF51822? -> could not find out how to do this */ /* not supported for the NRF51822? -> could not find out how to do this */
} }
void rtt_set_alarm(uint32_t alarm, rtt_alarm_cb_t cb, void *arg) void rtt_set_alarm(uint32_t alarm, rtt_cb_t cb, void *arg)
{ {
alarm_cb = cb; alarm_cb = cb;
alarm_arg = arg; alarm_arg = arg;
@ -95,11 +121,15 @@ void rtt_poweroff(void)
void RTT_ISR(void) void RTT_ISR(void)
{ {
if (RTT_DEV->EVENTS_COMPARE[0] ==1) { if (RTT_DEV->EVENTS_COMPARE[0] == 1) {
RTT_DEV->EVENTS_COMPARE[0] = 0; RTT_DEV->EVENTS_COMPARE[0] = 0;
RTT_DEV->INTENCLR = RTC_INTENSET_COMPARE0_Msk; RTT_DEV->INTENCLR = RTC_INTENSET_COMPARE0_Msk;
alarm_cb(alarm_arg); alarm_cb(alarm_arg);
} }
if (RTT_DEV->EVENTS_OVRFLW == 1) {
RTT_DEV->EVENTS_OVRFLW = 0;
overflow_cb(overflow_arg);
}
if (sched_context_switch_request) { if (sched_context_switch_request) {
thread_yield(); thread_yield();
} }