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iso7816_4: Re-trigger watchdog while waiting for character

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Harald Welte
2017-11-28 22:47:09 +01:00
parent c1e2254854
commit 0633b25974
1 changed files with 1 additions and 0 deletions
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firmware/libcommon/source/iso7816_4.c
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@@ -90,6 +90,7 @@ uint32_t ISO7816_GetChar( uint8_t *pCharToReceive, Usart_info *usart)
/* Wait USART ready for reception */ /* Wait USART ready for reception */
while( ((us_base->US_CSR & US_CSR_RXRDY) == 0) ) { while( ((us_base->US_CSR & US_CSR_RXRDY) == 0) ) {
WDT_Restart(WDT);
if(timeout++ > 12000 * (BOARD_MCK/1000000)) { if(timeout++ > 12000 * (BOARD_MCK/1000000)) {
TRACE_WARNING("TimeOut\n\r"); TRACE_WARNING("TimeOut\n\r");
return( 0 ); return( 0 );