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Removed comment about USART_Configure in iso7816_4.c

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Christina Quast
2015-03-10 15:52:49 +01:00
parent 2fcef41c90
commit e4bd7c104d
1 changed files with 0 additions and 48 deletions
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48
sam3s_example/atmel_softpack_libraries/libboard_sam3s-ek/source/iso7816_4.c
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@@ -589,54 +589,6 @@ void ISO7816_Init( const Pin *pPinIso7816RstMC )
/* Pin ISO7816 initialize */
st_pinIso7816RstMC = pPinIso7816RstMC;
#if 0
//FIXME: Why don't I nedd to pass baudrate and masterclock to USART_Configure? Because Masterclock is configured as ref clk signal anyways?
/**
* \brief Configures an USART peripheral with the specified parameters.
*
*
* \param usart Pointer to the USART peripheral to configure.
* \param mode Desired value for the USART mode register (see the datasheet).
* \param baudrate Baudrate at which the USART should operate (in Hz).
* \param masterClock Frequency of the system master clock (in Hz).
*/
void USART_Configure(Usart *usart,
uint32_t mode,
uint32_t baudrate,
uint32_t masterClock)
{
/* Reset and disable receiver & transmitter*/
usart->US_CR = US_CR_RSTRX | US_CR_RSTTX
| US_CR_RXDIS | US_CR_TXDIS;
/* Configure mode*/
usart->US_MR = mode;
/* Configure baudrate*/
/* Asynchronous, no oversampling*/
if ( ((mode & US_MR_SYNC) == 0) && ((mode & US_MR_OVER) == 0) )
{
usart->US_BRGR = (masterClock / baudrate) / 16;
}
if( ((mode & US_MR_USART_MODE_SPI_MASTER) == US_MR_USART_MODE_SPI_MASTER)
|| ((mode & US_MR_SYNC) == US_MR_SYNC))
{
if( (mode & US_MR_USCLKS_Msk) == US_MR_USCLKS_MCK)
{
usart->US_BRGR = masterClock / baudrate;
}
else
{
if ( (mode & US_MR_USCLKS_DIV) == US_MR_USCLKS_DIV)
{
usart->US_BRGR = masterClock / baudrate / 8;
}
}
}
/* TODO other modes*/
}
#endif
USART_Configure( BOARD_ISO7816_BASE_USART,
US_MR_USART_MODE_IS07816_T_0
| US_MR_USCLKS_MCK