48 lines
870 B
C
48 lines
870 B
C
#include <stdio.h>
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#include <irq.h>
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#include <printf.h>
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#include <uart.h>
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#include <usb.h>
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#include <generated/csr.h>
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void isr(void) {
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unsigned int irqs;
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irqs = irq_pending() & irq_getmask();
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if (irqs & (1 << USB_INTERRUPT))
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usb_isr();
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if (irqs & (1 << UART_INTERRUPT))
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uart_isr();
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}
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static void rv_putchar(void *ignored, char c) {
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(void)ignored;
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uart_write(c);
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}
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static void init(void) {
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irq_setmask(0);
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irq_setie(1);
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uart_init();
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usb_init();
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init_printf(NULL, rv_putchar);
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}
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int main(int argc, char **argv) {
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(void)argc;
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(void)argv;
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init();
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int i = 0;
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printf("Hello, world!\n");
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while (1) {
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printf("10 PRINT HELLO, WORLD\n");
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printf("20 GOTO 10\n");
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printf("i: %d\n", i++);
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}
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return 0;
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} |