1e21cdb572
2.修改开关FCD_EN时的死机问题 3.修改快速开关FCD_EN信号时出现花屏的问题 4.修改cola_set_event事件参数,都是一个32bit的整数,每个事件占用1个bit 5.将B+高低压ADC判断改为电压mv判断 6.修改lvds lock信号消抖时间 7.修改不接lvds线时,快速开关FCD_EN不进入BIST模式的问题 8.添加A样相关资料
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*!
|
|
* @文件名 logic_mode_bist.c
|
|
*
|
|
* @功能描述
|
|
* 通过检测948的LVDS Lock信号,控制屏幕是否进入BIST模式
|
|
*/
|
|
#include "logic_public.h"
|
|
|
|
#define PERIOD_CHECK_LVDS_LOCK 10 //检测LVDS信号的周期
|
|
task_t s_bist_check_task; //BIST模式检测
|
|
extern void logic_power_up_step2(void); //跨模块调用,违背了原则^-^
|
|
|
|
/*FUNCTION**********************************************************************
|
|
*
|
|
* Function Name : check_lvds_floating
|
|
* Description : 通过检测LVDS Lock信号,进入BIST模式
|
|
*
|
|
*END**************************************************************************/
|
|
static void check_lvds_floating(void *arg, uint32_t event)
|
|
{
|
|
(void)arg;
|
|
(void)event;
|
|
static bool bVoltageNormal = true;
|
|
static uint8_t style = 0;
|
|
static bool bBistMode = false;
|
|
static bool bFirst = true;
|
|
static bool bLockStatusOld = false;
|
|
static int iCheckDurCnt = 0, iDlyCnt = 0,iPeriodCnt = 0;
|
|
if(event > 0)
|
|
{//事件解析
|
|
if((event & EN_NOTIFY_SYS_POWER_DOWN) == EN_NOTIFY_SYS_POWER_DOWN)
|
|
{
|
|
bFirst = true;
|
|
logWrite("bist mode rx power down nofity\r\n");
|
|
}
|
|
if((event & EN_NOTIFY_VOLTAGE_LOW) == EN_NOTIFY_VOLTAGE_LOW)
|
|
{
|
|
bVoltageNormal = false;
|
|
logWrite("bist mode rx EN_NOTIFY_VOLTAGE_LOW\r\n");
|
|
}
|
|
if((event & EN_NOTIFY_VOLTAGE_HIGH) == EN_NOTIFY_VOLTAGE_HIGH)
|
|
{
|
|
bVoltageNormal = false;
|
|
logWrite("bist mode rx EN_NOTIFY_VOLTAGE_HIGH\r\n");
|
|
}
|
|
if((event & EN_NOTIFY_VOLTAGE_NORMAL) == EN_NOTIFY_VOLTAGE_NORMAL)
|
|
{
|
|
bVoltageNormal = true;
|
|
logWrite("bist mode rx EN_NOTIFY_VOLTAGE_NORMAL\r\n");
|
|
if(bBistMode)
|
|
{
|
|
logic_power_up_step2();
|
|
fml_max25512_set_bklight_on(true);
|
|
fml_gpio_write(OUT_TFT_BIST,true);
|
|
}
|
|
}
|
|
}
|
|
if(iCheckDurCnt < 6000)
|
|
{//前6秒不检测该信号丢失
|
|
iCheckDurCnt+=PERIOD_CHECK_LVDS_LOCK;
|
|
bLockStatusOld = !fml_gpio_read(IN_LVDS_UNLOCK);
|
|
}
|
|
else
|
|
{//读取LVDS Lock信号
|
|
bool bLockStatus = fml_gpio_read(IN_LVDS_UNLOCK);
|
|
bool bWakeUpStatus = fml_gpio_read(IN_WAKEUP);
|
|
if(bWakeUpStatus == false || bVoltageNormal == false)
|
|
return;
|
|
|
|
if((event & EN_NOTIFY_SYS_POWER_UP) == EN_NOTIFY_SYS_POWER_UP)
|
|
{
|
|
if(bBistMode)
|
|
{
|
|
logWrite("bist mode rx power up nofity\r\n");
|
|
iPeriodCnt = 0;
|
|
logic_power_up_step2();
|
|
fml_max25512_set_bklight_on(true); //开背光
|
|
fml_gpio_write(OUT_TFT_BIST,true);
|
|
}
|
|
}
|
|
|
|
if(bLockStatusOld != bLockStatus)
|
|
{//5次消抖
|
|
iDlyCnt = 5;
|
|
bLockStatusOld = bLockStatus;
|
|
}
|
|
if(iDlyCnt > 0)
|
|
{
|
|
iDlyCnt--;
|
|
if(0 == iDlyCnt)
|
|
{
|
|
style = 0;
|
|
iPeriodCnt = 0;
|
|
if(bLockStatus)
|
|
{//检测到LVDS Lock信号生效
|
|
bFirst = false;
|
|
bBistMode = false;
|
|
logWrite("exit bist\r\n");
|
|
fml_max25512_set_bklight_on(true); //开背光
|
|
}
|
|
else
|
|
{//检测到LVDS Lock信号丢失
|
|
bBistMode = true;
|
|
logWrite("enter bist\r\n");
|
|
if(bFirst)
|
|
{//首次上电时,需要进行如下系列供电
|
|
bFirst = false;
|
|
iPeriodCnt = 0;
|
|
logic_power_up_step2();
|
|
}
|
|
fml_max25512_set_bklight_on(true); //开背光
|
|
fml_tft_BIST_clear();//写寄存器清除BIST模式设置
|
|
}
|
|
fml_gpio_write(OUT_TFT_BIST,!bLockStatus);//设置Bist模式输出引脚
|
|
}
|
|
}
|
|
|
|
if(bLockStatus == false && bBistMode)
|
|
{
|
|
iPeriodCnt+=PERIOD_CHECK_LVDS_LOCK;
|
|
if(iPeriodCnt > 5000)
|
|
{//每隔5秒切换一次bist模式
|
|
//logWrite("iPeriodCnt=%d\r\n",iPeriodCnt);
|
|
iPeriodCnt = 0;
|
|
fml_tft_BIST_clear();
|
|
fml_tft_write_BIST_mode(style);
|
|
style++;
|
|
if(style == 24)//切换到第24个模式再从0开始
|
|
style=0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*FUNCTION**********************************************************************
|
|
*
|
|
* Function Name : logic_bist_init
|
|
* Description : 初始化BIST模式检测任务
|
|
*
|
|
*END**************************************************************************/
|
|
void logic_bist_init(void)
|
|
{
|
|
cola_timer_create(&s_bist_check_task, check_lvds_floating, NULL);
|
|
cola_timer_start(&s_bist_check_task, EN_COLA_TIMER_ALWAYS, PERIOD_CHECK_LVDS_LOCK);
|
|
}
|