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#include "ch.h"
#include "hal.h"
#include "gui.h"
#include "glcd.h"
#include "touchpad.h"
__inline void lld_lcdWriteGPIO(uint16_t data) {
palWritePort(LCD_DATA_PORT, data);
}
__inline uint16_t lld_lcdReadGPIO(void) {
uint16_t value;
// change pin mode to digital input
LCD_DATA_PORT->CRH = 0x44444444;
LCD_DATA_PORT->CRL = 0x44444444;
value = palReadPort(LCD_DATA_PORT); // dummy
value = palReadPort(LCD_DATA_PORT);
// change pin mode back to digital output
LCD_DATA_PORT->CRH = 0x33333333;
LCD_DATA_PORT->CRL = 0x33333333;
return value;
}
// GLCD driver object
static GLCDDriver GLCDD1;
int main(void) {
uint8_t setActive, setState, clearActive, clearState;
halInit();
chSysInit();
// Initializes the LCD
lcdInit(&GLCDD1);
// Initializes the touchpad
tpInit(&SPID1);
// clear the entire LCD screen
lcdClear(Black);
// Initializes the GUI thread
// 10ms interval
// HIGHPRIO-2 thread priority level
guiInit(10, HIGHPRIO-2);
// set the following buttons to active
// buttons wouldn't have any effect if you set these variables to 'inactive'
setActive = active;
clearActive = active;
// draw a button to set, and one to clear the LED
guiDrawButton(10, 10, 60, 60, "Set", Black, Yellow, "SetButton", &setActive, &setState);
guiDrawButton(70, 10, 120, 60, "Clear", Black, Red, "ClearButton", &clearActive, &clearState);
// you can delete a GUI element at any time from the GUI. You have to pass the GUI element name here.
// please note that you have to redraw the screen to delete the element yourself.
// guiDeleteElement("SetButton");
// guiDeleteElement("ClearButton");
while (TRUE) {
// check if button 'set' is pressed
if(setState)
palSetPad(GPIOD, GPIOD_LED3);
// check if button 'clear' is pressed
if(clearState)
palClearPad(GPIOD, GPIOD_LED3);
chThdSleepMilliseconds(200);
}
return 0;
}
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