57 lines
1007 B
C
57 lines
1007 B
C
/*
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* Copyright (c) 2019, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-05-05 jg1uaa the first version
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*/
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#include <rtthread.h>
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#include <rthw.h>
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/* for Z111xP board (LED is connected to PIO3_5, low=ON) */
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#define IOCON_PIO3_5 HWREG32(0x40044048)
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#define GPIO3DIR HWREG32(0x50038000)
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#define GPIO3DATA_5 HWREG32(0x50030080)
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static void led_off(void)
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{
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GPIO3DATA_5 = 0x20;
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}
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static void led_on(void)
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{
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GPIO3DATA_5 = 0x00;
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}
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static void led_setup(void)
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{
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IOCON_PIO3_5 = 0xd0; // (default)
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GPIO3DIR = 0x20; // select output
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led_off();
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}
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static void led_demo(void)
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{
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led_setup();
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while (1) {
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led_on();
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rt_thread_delay(50); // 500msec, tick@100Hz
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led_off();
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rt_thread_delay(50);
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}
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}
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int main(int argc, char **argv)
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{
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rt_kprintf("Hello, world!\n");
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led_demo();
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/* NOTREACHED */
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return 0;
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}
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