int check_uart_input(void)
{
int c = 0;
if(uboot_spare_head.boot_data.work_mode != WORK_MODE_BOOT)
{
return 0;
}
if(tstc())
{
c = getc();
printf("0x%x\n", c);
}
else
{
puts("no key input\n");
}
if(c == '2')
{
return -1;
}
else if(c == '3')
{
sunxi_key_init();
do_key_test(NULL, 0, 1, NULL);
}
else if(c == 's') //shell mode
{
gd->force_shell = 1;
gd->debug_mode = 1;
}
return 0;
}
int check_update_key(void)
{
int ret;
int fel_key_max;
int power_plug_count = 0;
int new_power_status = 0;
int old_power_status = 0;
int time_tick = 0 ;
int fel_key_mode = 0;
int user_mode_used = 0;
gd->key_pressd_value = 0;
if(uboot_spare_head.boot_data.work_mode != WORK_MODE_BOOT)
{
return 0;
}
old_power_status = axp_probe_power_source();
sunxi_key_init();
//detect user_mode exist
script_parser_fetch("platform", "user_mode_used", &user_mode_used, 1);
if(user_mode_used)
{
printf("user_mode found\n");
fel_key_mode = 2;
}
//detect fel_key exist
else
{
ret = script_parser_fetch("fel_key", "fel_key_max", &fel_key_max, 1);
if(ret)
{
printf("fel key old mode\n");
fel_key_mode = 1;
}
else
{
printf("fel key new mode\n");
}
}
printf("run key detect\n");
sunxi_key_read();
__msdelay(10);
if(!fel_key_mode)
{
int key_value;
int fel_key_max, fel_key_min;
time_tick = 0;
key_value = sunxi_key_read(); //读取按键信息
if(key_value < 0) //没有按键按下
{
printf("no key found\n");
return 0;
}
gd->key_pressd_value = key_value;
ret = script_parser_fetch("fel_key", "fel_key_max", &fel_key_max, 1);
if(ret)
{
printf("fel key max not found\n");
return 0;
}
ret = script_parser_fetch("fel_key", "fel_key_min", &fel_key_min, 1);
if(ret)
{
printf("fel key min not found\n");
return 0;
}
if((key_value <= fel_key_max) && (key_value >= fel_key_min))
{
printf("fel key detected\n");
return 1;
}
printf("fel key value %d is not in the range from %d to %d\n", key_value, fel_key_min, fel_key_max);
//old_usb_plug_status = usb_probe_vbus_type();
//add by guoyingyang
while(sunxi_key_read() > 0) //press key and not loosen
{
time_tick++;
new_power_status = axp_probe_power_source();
__msdelay(KEY_DELAY_EACH_TIME);
if(new_power_status != old_power_status)
{
power_plug_count++;
old_power_status = new_power_status;
}
if(power_plug_count == 3)
{
change_to_debug_mode();
break;
}
if(time_tick > KEY_MAX_COUNT_GO_ON)
{
printf("time out\n");
break;
}
}
return 0;
}
else if(fel_key_mode == 1)
{
int count;
int value_old, value_new, value_cnt;
int new_key, new_key_flag;
time_tick = 0;
count = 0;
value_cnt = 0;
new_key = 0;
new_key_flag = 0;
ret = sunxi_key_read(); //读取按键信息
if(ret < 0) //没有按键按下
{
printf("no key found\n");
return 0;
}
else
{
value_old = ret;
}
gd->key_pressd_value = ret;
while(1)
{
time_tick ++;
ret = axp_probe_key(); //获取power按键信息
new_power_status = axp_probe_power_source(); //detect vbus status
printf("new_power_status = %d \n",new_power_status);
if(ret > 0) //检测到POWER按键按下
{
count ++;
}
if(new_power_status != old_power_status)
{
debug("=======flag change========\n");
power_plug_count ++;
old_power_status = new_power_status;
}
__msdelay(KEY_DELAY_EACH_TIME);
ret = sunxi_key_read(); //读取按键信息
if(ret < 0) //没有按键按下
{
printf("key not pressed anymore\n");
if(count == 1)
{
if(new_key >= 2)
{
printf("1\n");
printf("force to debug mode\n");
return -1;
}
}
return 0;
}
else
{
value_new = ret;
if(value_old == value_new)
{
value_cnt ++;
if(new_key_flag == 1)
{
new_key ++;
new_key_flag ++;
}
else if(!new_key_flag)
{
new_key_flag ++;
}
}
else
{
new_key_flag = 0;
value_old = value_new;
}
}
if(count == 3)
{
printf("you can unclench the key to update now\n");
return -1;
}
if((!count) && (power_plug_count == 3))
{
change_to_debug_mode();
return 0;
}
if((!count) && (time_tick >= KEY_MAX_COUNT_GO_ON))
{
printf("timeout, but no power key found\n");
return 0;
}
}
}
else
{
int user_key_value;
user_key_value = sunxi_key_read(); //读取按键信息
if(user_key_value < 0) //没有按键按下
{
printf("no user_key found\n");
}
else
{
gd->key_pressd_value = user_key_value;
}
return 0;
}
}
int check_update_key(void)
{
int ret;
int fel_key_max;
int fel_key_mode = 0;
gd->key_pressd_value = 0;
if(uboot_spare_head.boot_data.work_mode != WORK_MODE_BOOT)
{
return 0;
}
sunxi_key_init();
ret = script_parser_fetch("fel_key", "fel_key_max", &fel_key_max, 1);
if(ret)
{
printf("fel key old mode\n");
fel_key_mode = 1;
}
else
{
printf("fel key new mode\n");
}
printf("run key detect\n");
sunxi_key_read();
__msdelay(10);
if(!fel_key_mode)
{
int key_value;
int fel_key_max, fel_key_min;
key_value = sunxi_key_read(); //读取按键信息
if(key_value < 0) //没有按键按下
{
printf("no key found\n");
return 0;
}
gd->key_pressd_value = key_value;
ret = script_parser_fetch("fel_key", "fel_key_max", &fel_key_max, 1);
if(ret)
{
printf("fel key max not found\n");
return 0;
}
ret = script_parser_fetch("fel_key", "fel_key_min", &fel_key_min, 1);
if(ret)
{
printf("fel key min not found\n");
return 0;
}
if((key_value <= fel_key_max) && (key_value >= fel_key_min))
{
printf("fel key detected\n");
return 1;
}
printf("fel key value %d is not in the range from %d to %d\n", key_value, fel_key_min, fel_key_max);
return 0;
}
else
{
int count, time_tick;
int value_old, value_new, value_cnt;
int new_key, new_key_flag;
time_tick = 0;
count = 0;
value_cnt = 0;
new_key = 0;
new_key_flag = 0;
ret = sunxi_key_read(); //读取按键信息
if(ret < 0) //没有按键按下
{
printf("no key found\n");
return 0;
}
else
{
value_old = ret;
}
gd->key_pressd_value = ret;
while(1)
{
time_tick ++;
ret = axp_probe_key(); //获取power按键信息
if(ret > 0) //检测到POWER按键按下
{
count ++;
}
__msdelay(KEY_DELAY_EACH_TIME);
ret = sunxi_key_read(); //读取按键信息
if(ret < 0) //没有按键按下
{
printf("key not pressed anymore\n");
if(count == 1)
{
if(new_key >= 2)
{
printf("1\n");
printf("force to debug mode\n");
return -2;
}
}
return 0;
}
else
{
value_new = ret;
if(value_old == value_new)
{
value_cnt ++;
if(new_key_flag == 1)
{
new_key ++;
new_key_flag ++;
}
else if(!new_key_flag)
{
new_key_flag ++;
}
}
else
{
new_key_flag = 0;
value_old = value_new;
}
}
if(count == 3)
{
printf("you can unclench the key to update now\n");
return -1;
}
if((!count) && (time_tick >= KEY_MAX_COUNT_GO_ON))
{
printf("timeout, but no power key found\n");
return 0;
}
}
}
}
