diff options
Diffstat (limited to 'platforms/chibios/sleep_led.c')
| -rw-r--r-- | platforms/chibios/sleep_led.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/platforms/chibios/sleep_led.c b/platforms/chibios/sleep_led.c index 477056a454..a777d60468 100644 --- a/platforms/chibios/sleep_led.c +++ b/platforms/chibios/sleep_led.c @@ -93,7 +93,7 @@ void sleep_led_init(void) { /* Reset LPTMR settings */ LPTMR0->CSR = 0; /* Set the compare value */ - LPTMR0->CMR = 0; // trigger on counter value (i.e. every time) + LPTMR0->CMR = 0; // trigger on counter value (i.e. every time) /* Set up clock source and prescaler */ /* Software PWM @@ -118,11 +118,11 @@ void sleep_led_init(void) { /* === OPTION 2 === */ # if 1 // nMHz IRC (n=4 on KL25Z, KL26Z and K20x; n=2 or 8 on KL27Z) - MCG->C2 |= MCG_C2_IRCS; // fast (4MHz) internal ref clock -# if defined(KL27) // divide the 8MHz IRC by 2, to have the same MCGIRCLK speed as others + MCG->C2 |= MCG_C2_IRCS; // fast (4MHz) internal ref clock +# if defined(KL27) // divide the 8MHz IRC by 2, to have the same MCGIRCLK speed as others MCG->MC |= MCG_MC_LIRC_DIV2_DIV2; -# endif /* KL27 */ - MCG->C1 |= MCG_C1_IRCLKEN; // enable internal ref clock +# endif /* KL27 */ + MCG->C1 |= MCG_C1_IRCLKEN; // enable internal ref clock // to work in stop mode, also MCG_C1_IREFSTEN // Divide 4MHz by 2^N (N=6) => 62500 irqs/sec => // => approx F=61, R=256, duration = 4 @@ -140,7 +140,7 @@ void sleep_led_init(void) { /* === END OPTIONS === */ /* Interrupt on TCF set (compare flag) */ - nvicEnableVector(LPTMR0_IRQn, 2); // vector, priority + nvicEnableVector(LPTMR0_IRQn, 2); // vector, priority LPTMR0->CSR |= LPTMRx_CSR_TIE; } @@ -169,21 +169,33 @@ static void gptTimerCallback(GPTDriver *gptp) { static const GPTConfig gptcfg = {1000000, gptTimerCallback, 0, 0}; /* Initialise the timer */ -void sleep_led_init(void) { gptStart(&SLEEP_LED_GPT_DRIVER, &gptcfg); } +void sleep_led_init(void) { + gptStart(&SLEEP_LED_GPT_DRIVER, &gptcfg); +} -void sleep_led_enable(void) { gptStartContinuous(&SLEEP_LED_GPT_DRIVER, gptcfg.frequency / 0xFFFF); } +void sleep_led_enable(void) { + gptStartContinuous(&SLEEP_LED_GPT_DRIVER, gptcfg.frequency / 0xFFFF); +} -void sleep_led_disable(void) { gptStopTimer(&SLEEP_LED_GPT_DRIVER); } +void sleep_led_disable(void) { + gptStopTimer(&SLEEP_LED_GPT_DRIVER); +} -void sleep_led_toggle(void) { (SLEEP_LED_GPT_DRIVER.state == GPT_READY) ? sleep_led_enable() : sleep_led_disable(); } +void sleep_led_toggle(void) { + (SLEEP_LED_GPT_DRIVER.state == GPT_READY) ? sleep_led_enable() : sleep_led_disable(); +} #else /* platform selection: not on familiar chips */ void sleep_led_init(void) {} -void sleep_led_enable(void) { led_set(1 << USB_LED_CAPS_LOCK); } +void sleep_led_enable(void) { + led_set(1 << USB_LED_CAPS_LOCK); +} -void sleep_led_disable(void) { led_set(0); } +void sleep_led_disable(void) { + led_set(0); +} void sleep_led_toggle(void) { // not implemented |