8e161664bb
Once you receive a uart interrupt you can call this function to get the received character.
30 lines
550 B
C
30 lines
550 B
C
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#include <stdint.h>
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#include "interrupt.h"
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#include "uart.h"
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// This is defined in main.c
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void puts(const char* s);
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void handle_irq() {
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uint8_t status;
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char c;
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puts("Interrupt Detected!\n");
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status = irq_get_status();
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if (status & BUTTON) {
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puts("Button Interrupt!\n");
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irq_set_status(status & ~BUTTON);
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}
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if (status & UART) {
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puts("UART Interrupt!\n");
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c = uart_rxb();
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puts("Received: ");
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puts(&c);
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puts("\n");
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irq_set_status(status & ~UART);
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}
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} |