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dynamically dispatch USART IRQs

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The different modes (configurations) will have different interrupt
handlers, so we need to dispatch them via config_func_ptrs
This commit is contained in:
Harald Welte
2016-03-20 16:43:12 +01:00
parent dde112e71c
commit 3bafe43376
4 changed files with 35 additions and 13 deletions
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22
firmware/src_simtrace/mode_cardemu.c
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@@ -167,17 +167,13 @@ int card_emu_uart_tx(uint8_t uart_chan, uint8_t byte)
/* FIXME: integrate this with actual irq handler */
void usart_irq_rx(uint8_t uart)
static void usart_irq_rx(uint8_t inst_num)
{
Usart *usart = get_usart_by_chan(uart);
struct cardem_inst *ci = &cardem_inst[0];
Usart *usart = get_usart_by_chan(inst_num);
struct cardem_inst *ci = &cardem_inst[inst_num];
uint32_t csr;
uint8_t byte = 0;
#ifdef CARDEMU_SECOND_UART
if (uart == 1)
ci = &cardem_inst[1];
#endif
csr = usart->US_CSR & usart->US_IMR;
if (csr & US_CSR_RXRDY) {
@@ -197,6 +193,18 @@ void usart_irq_rx(uint8_t uart)
}
}
void mode_cardemu_usart0_irq(void)
{
/* USART0 == Instance 1 == USIM 2 */
usart_irq_rx(1);
}
void mode_cardemu_usart1_irq(void)
{
/* USART1 == Instance 0 == USIM 1 */
usart_irq_rx(0);
}
/* call-back from card_emu.c to change UART baud rate */
int card_emu_uart_update_fidi(uint8_t uart_chan, unsigned int fidi)
{