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K24F: Fix serial IRQ handling 

Check that the RX or TX interrupt is enabled before calling
a registered handler with RxIrq or TxIrq arg.
pull/11023/head
Filip Jagodzinski 2019-06-07 16:19:25 +02:00 committed by Evelyne Donnaes
parent d184baf6e9
commit cde58d2a65
1 changed files with 2 additions and 2 deletions
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4
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K24F/serial_api.c
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@ -140,10 +140,10 @@ static inline void uart_irq(uint32_t transmit_empty, uint32_t receive_full, uint
} }
if (serial_irq_ids[index] != 0) { if (serial_irq_ids[index] != 0) {
if (transmit_empty) if (transmit_empty && (UART_GetEnabledInterrupts(uart_addrs[index]) & kUART_TxDataRegEmptyInterruptEnable))
irq_handler(serial_irq_ids[index], TxIrq); irq_handler(serial_irq_ids[index], TxIrq);
if (receive_full) if (receive_full && (UART_GetEnabledInterrupts(uart_addrs[index]) & kUART_RxDataRegFullInterruptEnable))
irq_handler(serial_irq_ids[index], RxIrq); irq_handler(serial_irq_ids[index], RxIrq);
} }
} }