72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
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#include "kt_light_led.h"
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#include "tone_player.h"
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static u8 led_mode = 0;
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static u16 tid = 0;
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const char *light_led_level_tone[3] = {TONE_LT_L0, TONE_LT_L1, TONE_LT_L2};
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void led_flash_callback(void *p)
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{
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static u8 flag = 0;
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flag = !flag;
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if (flag)
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{
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gpio_set_output_value(KT_CFG_LED_PIN, 1);
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}
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else
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{
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gpio_set_output_value(KT_CFG_LED_PIN, 0);
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}
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}
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void kt_light_led_level_change(void)
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{
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led_mode++;
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if (led_mode > 2) //0-2
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{
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led_mode = 0;
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}
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tone_play(light_led_level_tone[led_mode], 1);
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switch (led_mode)
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{
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case 0:
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//关灯
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if (tid)
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{
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sys_timer_del(tid);
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}
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tid = 0;
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gpio_set_output_value(KT_CFG_LED_PIN, 0);
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break;
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case 1:
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//爆闪 2.5hz 50%占空比
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if (tid)
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{
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sys_timer_del(tid);
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}
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tid = sys_timer_add(NULL, led_flash_callback, 200);
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break;
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case 2:
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//常亮
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if (tid)
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{
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sys_timer_del(tid);
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}
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tid = 0;
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gpio_set_output_value(KT_CFG_LED_PIN, 1);
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break;
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}
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}
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void kt_light_led_init(void)
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{
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led_mode = 0;
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// 初始化GPIO LED
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gpio_set_pull_down(KT_CFG_LED_PIN, 0);
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gpio_set_pull_up(KT_CFG_LED_PIN, 0);
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gpio_set_direction(KT_CFG_LED_PIN, 0);
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gpio_set_output_value(KT_CFG_LED_PIN, 0);
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}
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