#include "pinctrl.h"
#include "gpio.h"
#include "pwm.h"
#include "timer.h"

#define LIGHT_GPIO_W    GPIO_02
#define LIGHT_GPIO_Y    GPIO_08

static uint32_t period_ns = 40000;  //80M/2K
static uint8_t channel_id_w = 0;
static uint8_t channel_id_y = 0;
static uint32_t high_ns = 0;
static uint32_t low_ns = 0;
void hfgpio_pwm_init(void)
{
    high_ns = ((period_ns / 1000) * 0) / 1000; // 高电平时间
    low_ns = period_ns - high_ns;              // 低电平时间
    pwm_config_t cfg_no_repeat = {
        low_ns,
        high_ns,
        0,
        0xFF,
        true
    };
    channel_id_w = LIGHT_GPIO_W % 8;
    channel_id_y = LIGHT_GPIO_Y % 8;

    uapi_pin_set_mode(LIGHT_GPIO_W, PIN_MODE_1);
    uapi_pin_set_mode(LIGHT_GPIO_Y, PIN_MODE_1);
    uapi_pwm_deinit();
    uapi_pwm_init();
    uapi_pwm_open(channel_id_w, &cfg_no_repeat);
    uapi_pwm_set_group(channel_id_w, &channel_id_w, 1);
    uapi_pwm_start_group(channel_id_w);

    uapi_pwm_open(channel_id_y, &cfg_no_repeat);
    uapi_pwm_set_group(channel_id_y, &channel_id_y, 1);
    uapi_pwm_start_group(channel_id_y);
}

static void hfgpio_pwm_update(int fid, uint32_t hrate)
{
    high_ns = ((period_ns / 1000) * hrate) / 1000; // 高电平时间
    low_ns = period_ns - high_ns;                  // 低电平时间

    if(fid == LIGHT_GPIO_W){
        uapi_pwm_update_duty_ratio(channel_id_w, low_ns, high_ns);
        uapi_pwm_start_group(channel_id_w);
    }else if(fid == LIGHT_GPIO_Y){
        uapi_pwm_update_duty_ratio(channel_id_y, low_ns, high_ns);
        uapi_pwm_start_group(channel_id_y);
    }
}

static int pwm_hrate = 0;
static int dir_flag = 0;
static timer_handle_t timer1_handle = 0;
static void light_dim_timer_callback(uintptr_t data)
{
    if(data){}
    if(dir_flag == 0){
        pwm_hrate++;
        if(pwm_hrate == 1000){
            dir_flag = 1;
        }
    }
    else if(dir_flag == 1){
        pwm_hrate--;
        if(pwm_hrate == 0){
            dir_flag = 0;
        }
    }
    hfgpio_pwm_update(LIGHT_GPIO_W, pwm_hrate);
    hfgpio_pwm_update(LIGHT_GPIO_Y, pwm_hrate);

    uapi_timer_start(timer1_handle, 5000, light_dim_timer_callback, 0);
}

void light_hwtimer_dim_entry(void)
{
    uapi_timer_init();
    int ret = 0;
    ret = uapi_timer_adapter(TIMER_INDEX_1, TIMER_1_IRQN, 1);
    ret = uapi_timer_create(TIMER_INDEX_1, &timer1_handle);
    ret = uapi_timer_start(timer1_handle, 1000, light_dim_timer_callback, 0);
    if(ret != 0)
        osal_printk("hwtimer start fail\r\n");
    else
        osal_printk("hwtimer start success\r\n");
}

void pwm_test(void)
{
	hfgpio_pwm_init();
	light_hwtimer_dim_entry();
}