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irq: Allow boards to define the return type of irq_save()

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The AVR wants a uint8_t return type for irq_save(), but other
architectures will generally prefer int.  Allow the board to configure
the size of the flag by introducing an irqstatus_t typedef.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2016-06-08 21:13:53 -04:00
parent 9dd101c26f
commit fa85094cbb
8 changed files with 33 additions and 25 deletions
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4
src/avr/timer.c
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@@ -52,7 +52,7 @@ timer_init(void)
{
if (CONFIG_AVR_CLKPR != -1 && (uint8_t)CONFIG_AVR_CLKPR != CLKPR) {
// Program the clock prescaler
uint8_t flag = irq_save();
irqstatus_t flag = irq_save();
CLKPR = 0x80;
CLKPR = CONFIG_AVR_CLKPR;
irq_restore(flag);
@@ -100,7 +100,7 @@ timer_periodic(void)
uint32_t
timer_read_time(void)
{
uint8_t flag = irq_save();
irqstatus_t flag = irq_save();
uint16_t cur = timer_get();
uint32_t last = timer_last;
irq_restore(flag);