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serial_api: Remove unnecessary clocking code.

pull/1340/head
Aksel Skauge Mellbye 2015-09-25 12:55:59 +02:00
parent ec865eac30
commit 4c4d2fa6a6
1 changed files with 0 additions and 8 deletions
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8
libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/serial_api.c
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@ -429,14 +429,10 @@ void serial_init(serial_t *obj, PinName tx, PinName rx)
#ifdef LEUART_USING_LFXO
//set to use LFXO
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFXO);
CMU_ClockEnable(cmuClock_LFB, true);
CMU_ClockSelectSet(serial_get_clock(obj), cmuSelect_LFXO);
CMU_ClockEnable(cmuClock_CORELE, true);
#else
//set to use high-speed clock
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_CORELEDIV2);
CMU_ClockEnable(cmuClock_LFB, true);
CMU_ClockSelectSet(serial_get_clock(obj), cmuSelect_CORELEDIV2);
#endif
}
@ -512,8 +508,6 @@ void serial_baud(serial_t *obj, int baudrate)
MBED_ASSERT((baudrate <= (LEUART_HF_REF_FREQ >> 1)) && (baudrate > (LEUART_HF_REF_FREQ >> 10)));
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_CORELEDIV2);
CMU_ClockEnable(cmuClock_LFB, true);
CMU_ClockSelectSet(serial_get_clock(obj), cmuSelect_CORELEDIV2);
uint8_t divisor = 1;
if(baudrate > (LEUART_HF_REF_FREQ >> 7)){
@ -529,8 +523,6 @@ void serial_baud(serial_t *obj, int baudrate)
LEUART_BaudrateSet(obj->serial.periph.leuart, LEUART_HF_REF_FREQ/divisor, (uint32_t)baudrate);
}else{
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFXO);
CMU_ClockEnable(cmuClock_LFB, true);
CMU_ClockSelectSet(serial_get_clock(obj), cmuSelect_LFXO);
CMU_ClockDivSet(serial_get_clock(obj), 1);
LEUART_BaudrateSet(obj->serial.periph.leuart, LEUART_LF_REF_FREQ, (uint32_t)baudrate);
}