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cpu/esp8266/periph_timer: allow changing callback or freq

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Allow multiple calls to timer_init(), as this is the only way to
change the timer frequency or the callback function.
This commit is contained in:
Marian Buschsieweke 2022-11-24 20:34:32 +01:00
parent e8fd65566a
commit 03b7fe8f0c
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1 changed files with 0 additions and 5 deletions
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cpu/esp8266/periph/timer.c
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@ -124,11 +124,6 @@ int timer_init (tim_t dev, uint32_t freq, timer_cb_t cb, void *arg)
CHECK_PARAM_RET (freq == HW_TIMER_FREQUENCY, -1); CHECK_PARAM_RET (freq == HW_TIMER_FREQUENCY, -1);
CHECK_PARAM_RET (cb != NULL, -1); CHECK_PARAM_RET (cb != NULL, -1);
if (timers[dev].initialized) {
DEBUG("%s timer dev=%u is already initialized (used)\n", __func__, dev);
return -1;
}
timers[dev].initialized = true; timers[dev].initialized = true;
timers[dev].started = false; timers[dev].started = false;
timers[dev].isr_ctx.cb = cb; timers[dev].isr_ctx.cb = cb;