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充电相关文件目录　alps\vendor\mediatek\proprietary\external\charger\

充电控制函数：charging_control.cpp

// total_time : ms

// interval : ms

static void draw_with_interval(void (*func)(int, int), int bc, int total_time_msec, int interval_msec)

{

struct timeval start;

int resume_started = 0, backlight_started = 0, cnt = 0;

int fd_fb = -1, err = 0;

char filename[32] = {0};

gettimeofday(&start, NULL);

while((!time_exceed(start, total_time_msec)) && (common_flag == false))

{

// check if need to draw animation before performing drawing

if (!is_charging_source_available())

return;

if (!resume_started) {

resume_started = 1;

request_suspend(false);

/* make fb unblank */

snprintf(filename, sizeof(filename), "/dev/graph