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[update] update timer_interrupt demo

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zhji 2025-06-02 20:53:18 +08:00
parent 8bc6f6d5db
commit 59ee3ee23f
1 changed files with 10 additions and 8 deletions
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18
example/peripherals/timer/timer_interrupt/main.c
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@ -1,9 +1,10 @@
#include "system.h"
#include "irq.h"
#include "resets.h"
#include "gpio.h"
#include "uart.h"
#include "timer.h"
#include "irq.h"
#include "stdio.h"
#define TIMER_ALARM_ID TIMER_ALARM_0
#define TIMER_PERIOD_US (1000 * 1000)
@ -16,16 +17,17 @@ void timer_alarm_0_isr(void)
int main(void)
{
system_init();
reset_unreset_blocks_wait(RESETS_BLOCK_IO_BANK0 | RESETS_BLOCK_UART0 | RESETS_BLOCK_TIMER);
gpio_init(0, GPIO_FUNC_UART | GPIO_PULL_UP | GPIO_DRIVE_4MA); /* UART_TX pin */
gpio_init(1, GPIO_FUNC_UART | GPIO_PULL_UP | GPIO_SCHMITT | GPIO_PAD_IE | GPIO_PAD_OD); /* UART_RX pin */
uart_init(uart0_hw, 6 * 1000 * 1000, UART_DATABITS_8 | UART_PARITY_NONE | UART_STOPBITS_1);
printf("timer_interrupt example\r\n");
timer_count_write(0);
timer_alarm_set(TIMER_ALARM_ID, TIMER_PERIOD_US);
timer_int_enable(TIMER_ALARM_ID);
irq_attach(TIMER_IRQ_0, timer_alarm_0_isr);
irq_enable(TIMER_IRQ_0);
while (1) {
}
return 0;
}