ATK-7'TFTLCD-V16软件版本获取不对

xsw0605 · 发表于 2015-5-3 12:13:08

ATK-7'TFTLCD-V16版本的LCD
u8 GT811_Init(void)
{
u16 version=0;
u8 temp;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB|RCC_AHB1Periph_GPIOC, ENABLE); //使能PB,PC端口时钟

RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//使能SYSCFG时钟

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//普通输出模式
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOC, &GPIO_InitStructure);//初始化

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//普通输入模式
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化GPIOB1

SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource1);//PB1 连接到中断线1

EXTI_InitStructure.EXTI_Line=EXTI_Line1;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure); //根据EXTI_InitStruct中指定的参数初始化外设EXTI寄存器

NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3 ;//抢占优先级3
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能
NVIC_Init(&NVIC_InitStructure); //根据指定的参数初始化VIC寄存器

CT_IIC_Init(); //电容触摸屏部分,IIC初始化
GT811_Wakeup_Sleep(); //唤醒GT811
GT811_RD_Reg(0X717,&temp,1); //读取版本高八位
version=(u16)temp<<8;
GT811_RD_Reg(0X718,&temp,1); //读取版本低八位
version|=temp;
printf("version:%x\r\n",version);
if(version==0X2010) //版本正确,发送配置参数
{
temp=GT811_Send_Cfg((u8*)GTP_CFG_DATA,sizeof(GTP_CFG_DATA));//发送配置参数
}
else
temp=2; //版本错误
printf("temp=%d",temp);
return temp;

}
获取后的version是0xffff怎么回事？求解啊。。。