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timers.h: Return error codes instead of true/false for failures

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This commit is contained in:
Angus Gratton 2015-11-28 16:23:06 +11:00
parent f993e51250
commit ad59322364
2 changed files with 33 additions and 11 deletions
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9
core/include/esp/timer.h
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@ -10,6 +10,7 @@
#define _ESP_TIMER_H
#include <stdbool.h>
#include <errno.h>
#include "esp/timer_regs.h"
#include "esp/interrupts.h"
@ -159,9 +160,9 @@ uint32_t timer_time_to_count(const timer_frc_t frc, uint32_t us, const timer_clk
Does not start/stop the timer, you have to do this manually via
timer_set_run.
Returns true on success, false if given frequency could not be set.
Returns 0 on success, or -EINVAL if given frequency could not be set.
*/
bool timer_set_frequency(const timer_frc_t frc, uint32_t freq);
int timer_set_frequency(const timer_frc_t frc, uint32_t freq);
/* Sets the timer for a oneshot interrupt in 'us' microseconds.
@ -176,9 +177,9 @@ bool timer_set_frequency(const timer_frc_t frc, uint32_t freq);
also disable FRC1 in the timer interrupt handler by calling
timer_set_run(TIMER_FRC1, false);
Returns true if the timeout was successfully set.
Returns 0 on success, or -EINVAL if the given timeout could not be set.
*/
bool timer_set_timeout(const timer_frc_t frc, uint32_t us);
int timer_set_timeout(const timer_frc_t frc, uint32_t us);
#ifdef __cplusplus
}