/*********************************************************************
*
* 在触摸校正的时候使用这个来读取ADC的值
*/
void Touch_MainTask(void) {
GUI_CURSOR_Show();
GUI_CURSOR_Select(&GUI_CursorCrossL);
GUI_SetBkColor(GUI_WHITE);
GUI_SetColor(GUI_BLACK);
GUI_Clear();
GUI_DispString("Measurement of\nA/D converter values");
while (1) {
GUI_PID_STATE TouchState;
int xPhys, yPhys;
GUI_TOUCH_GetState(&TouchState); /* Get the touch position in pixel */
xPhys = GUI_TOUCH_GetxPhys(); /* Get the A/D mesurement result in x */
yPhys = GUI_TOUCH_GetyPhys(); /* Get the A/D mesurement result in y */
/* Display the measurement result */
GUI_SetColor(GUI_BLUE);
GUI_DispStringAt("Analog input:\n", 0, 20);
GUI_GotoY(GUI_GetDispPosY() + 2);
GUI_DispString("x:");
GUI_DispDec(xPhys, 4);
GUI_DispString(", y:");
GUI_DispDec(yPhys, 4);
/* Display the according position */
GUI_SetColor(GUI_RED);
GUI_GotoY(GUI_GetDispPosY() + 4);
GUI_DispString("\nPosition:\n");
GUI_GotoY(GUI_GetDispPosY() + 2);
GUI_DispString("x:");
GUI_DispDec(TouchState.x,4);
GUI_DispString(", y:");
GUI_DispDec(TouchState.y,4);
/* Wait a while */
GUI_Delay(100);
};
}
int main(void)
{
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
printf("spi touch screen test\r\n");
/* 初始化SPI2 接口连接触控屏的触控芯片*/
SPI_QuickInit(SPI2_SCK_PD12_SOUT_PD13_SIN_PD14, kSPI_CPOL0_CPHA0, 2*1000*1000);
PORT_PinMuxConfig(HW_GPIOD, 11, kPinAlt2); /* SPI2_PCS0 */
/* 初始化触控芯片 使用CS0片选 */
ads7843_init(HW_SPI2, HW_SPI_CS0);
GUI_Init();//液晶屏界面初始化
GUI_SetBkColor(GUI_WHITE); //设置背景色
GUI_SetColor(GUI_BLACK); //设置前景色
GUI_Clear(); //清屏
GUI_SetPenSize(3); //设置点的大小
GUI_DispString("Measurement of\nA/D converter values");
while (1)
{
GUI_PID_STATE TouchState;
int xPhys, yPhys;
GUI_TOUCH_GetState(&TouchState); /* 获得触控位置 */
xPhys = GUI_TOUCH_GetxPhys(); /* 获得x轴的测量值 */
yPhys = GUI_TOUCH_GetyPhys(); /* 获得y轴的测量值 */
/* 显示测量结果 */
GUI_SetColor(GUI_BLUE);
GUI_DispStringAt("Analog input:\n", 0, 20);
GUI_GotoY(GUI_GetDispPosY() + 2);
GUI_DispString("x:");
GUI_DispDec(xPhys, 4);
GUI_DispString(", y:");
GUI_DispDec(yPhys, 4);
/* Display the according position */
GUI_SetColor(GUI_RED);
GUI_GotoY(GUI_GetDispPosY() + 4);
GUI_DispString("\nPosition:\n");
GUI_GotoY(GUI_GetDispPosY() + 2);
GUI_DispString("x:");
GUI_DispDec(TouchState.x,4);
GUI_DispString(", y:");
GUI_DispDec(TouchState.y,4);
GUI_DrawPoint(TouchState.x, TouchState.y);
GUI_TOUCH_Exec();
}
}
