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mode_cardemu: fix ordering of events when switching rx/tx mode

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This commit is contained in:
Harald Welte
2016-03-01 00:42:04 +01:00
parent 45688d4c3b
commit 8a416b1812
1 changed files with 7 additions and 4 deletions
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11
firmware/src_simtrace/mode_cardemu.c
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@@ -59,22 +59,25 @@ void card_emu_uart_enable(uint8_t uart_chan, uint8_t rxtx)
Usart *usart = get_usart_by_chan(uart_chan);
switch (rxtx) {
case ENABLE_TX:
USART_EnableIt(usart, US_IER_TXRDY);
USART_DisableIt(usart, ~US_IER_TXRDY);
USART_SetReceiverEnabled(usart, 0);
usart->US_CR = US_CR_RSTSTA | US_CR_RSTIT | US_CR_RSTNACK;
USART_EnableIt(usart, US_IER_TXRDY);
USART_SetTransmitterEnabled(usart, 1);
break;
case ENABLE_RX:
USART_SetTransmitterEnabled(usart, 0);
USART_SetReceiverEnabled(usart, 1);
USART_EnableIt(usart, US_IER_RXRDY);
USART_DisableIt(usart, ~US_IER_RXRDY);
USART_SetTransmitterEnabled(usart, 0);
usart->US_CR = US_CR_RSTSTA | US_CR_RSTIT | US_CR_RSTNACK;
USART_EnableIt(usart, US_IER_RXRDY);
USART_SetReceiverEnabled(usart, 1);
break;
case 0:
default:
USART_SetTransmitterEnabled(usart, 0);
USART_SetReceiverEnabled(usart, 0);
USART_DisableIt(usart, 0xFFFFFFFF);
usart->US_CR = US_CR_RSTSTA | US_CR_RSTIT | US_CR_RSTNACK;
break;
}
}