122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
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/**************************************************************************//**
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*
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* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
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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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* 2021-6-1 Wayne First version
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*
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******************************************************************************/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "drv_common.h"
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#if defined(RT_USING_PIN)
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#include "drv_gpio.h"
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/* defined the LED_0 pin: PN6 */
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#define LED_0 NU_GET_PININDEX(NU_PN, 6)
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/* defined the LED_1 pin: PN7 */
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#define LED_1 NU_GET_PININDEX(NU_PN, 7)
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/* defined the LED_2 pin: PN10 */
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#define LED_2 NU_GET_PININDEX(NU_PN, 10)
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/* defined the KEY_0 pin: PN2 */
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#define KEY_0 NU_GET_PININDEX(NU_PN, 2)
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/* defined the KEY_1 pin: PN3 */
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#define KEY_1 NU_GET_PININDEX(NU_PN, 3)
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/* defined the KEY_2 pin: PN12 */
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#define KEY_2 NU_GET_PININDEX(NU_PN, 12)
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/* defined the KEY_3 pin: PN13 */
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#define KEY_3 NU_GET_PININDEX(NU_PN, 13)
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void nu_button_cb(void *args)
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{
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uint32_t u32Key = (uint32_t)args;
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switch (u32Key)
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{
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case KEY_0:
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rt_kprintf("KEY_0 pressed\n");
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rt_pin_write(LED_1, PIN_HIGH);
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break;
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case KEY_1:
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rt_kprintf("KEY_1 pressed\n");
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rt_pin_write(LED_1, PIN_LOW);
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break;
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case KEY_2:
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rt_kprintf("KEY_2 pressed\n");
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rt_pin_write(LED_2, PIN_HIGH);
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break;
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case KEY_3:
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rt_kprintf("KEY_3 pressed\n");
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rt_pin_write(LED_2, PIN_LOW);
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break;
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}
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}
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static void nu_button_init(void)
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{
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/* set KEY_0 pin mode to input, pull-up, falling edge and enable interrupt. */
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rt_pin_mode(KEY_0, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY_0, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_0);
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rt_pin_irq_enable(KEY_0, PIN_IRQ_ENABLE);
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/* set KEY_1 pin mode to input, pull-up, falling edge and enable interrupt. */
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rt_pin_mode(KEY_1, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY_1, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_1);
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rt_pin_irq_enable(KEY_1, PIN_IRQ_ENABLE);
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/* set KEY_2 pin mode to input, pull-up, falling edge and enable interrupt. */
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rt_pin_mode(KEY_2, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY_2, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_2);
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rt_pin_irq_enable(KEY_2, PIN_IRQ_ENABLE);
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/* set KEY_3 pin mode to input, pull-up, falling edge and enable interrupt. */
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rt_pin_mode(KEY_3, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY_3, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_3);
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rt_pin_irq_enable(KEY_3, PIN_IRQ_ENABLE);
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}
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int main(int argc, char **argv)
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{
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int counter = 100000;
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/* set on-board buttons */
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nu_button_init();
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/* set LED_0, LED_1 and LED_2 pin mode to output */
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rt_pin_mode(LED_0, PIN_MODE_OUTPUT);
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rt_pin_mode(LED_1, PIN_MODE_OUTPUT);
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rt_pin_mode(LED_2, PIN_MODE_OUTPUT);
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while (counter--)
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{
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rt_pin_write(LED_0, PIN_HIGH);
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rt_thread_mdelay(100);
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rt_pin_write(LED_0, PIN_LOW);
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rt_thread_mdelay(100);
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}
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return 0;
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}
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#else
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int main(int argc, char **argv)
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{
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rt_kprintf("cpu-%d %d\r\n", rt_hw_cpu_id(), nu_cpu_dcache_line_size());
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return 0;
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}
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#endif
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