void cmd_orientation(uint8_t argc, char **argv)
{
int32_t value;
if (argc == 0)
{
printf("%d%s", lcdGetOrientation(), CFG_PRINTF_NEWLINE);
return;
}
// Convert supplied parameters
getNumber (argv[0], &value);
switch (value)
{
case 0:
lcdSetOrientation(LCD_ORIENTATION_PORTRAIT);
break;
case 1:
lcdSetOrientation(LCD_ORIENTATION_LANDSCAPE);
break;
default:
printf("Invalid value: Enter 0 or 1%s", CFG_PRINTF_NEWLINE);
return;
}
return;
}
int main(void)
{
#if !defined CFG_TFTLCD
#error "CFG_TFTLCD must be enabled in projectconfig.h for this test"
#endif
#if defined CFG_INTERFACE
#error "CFG_INTERFACE must be disabled in projectconfig.h for this test (to save space)"
#endif
// Configure cpu and mandatory peripherals
systemInit();
/* Set P2.0 to GPIO input (just in case) */
gpioSetDir(2, 0, 0);
/* Set P1.4/AD5 to analog input (only AD0..3 are configured by adcInit) */
IOCON_PIO1_4 &= ~(IOCON_PIO1_4_ADMODE_MASK |
IOCON_PIO1_4_FUNC_MASK |
IOCON_PIO1_4_MODE_MASK);
IOCON_PIO1_4 |= (IOCON_PIO1_4_FUNC_AD5 &
IOCON_PIO1_4_ADMODE_ANALOG);
// Rotate the screen and render the area around the data grid
lcdSetOrientation(LCD_ORIENTATION_LANDSCAPE);
renderLCDFrame();
tsTouchData_t touch;
// Start reading
while (1)
{
// Wait up to 5ms for a touch event
tsTouchError_t error = tsWaitForEvent(&touch, 5);
if (!error)
{
if (touch.x > 25 && touch.x < 100 && touch.y > 210)
{
// Analog switch selected
adcEnabled = adcEnabled ? false : true;
}
if (touch.x > 125 && touch.x < 200 && touch.y > 210)
{
// Digital switch selected
digEnabled = digEnabled ? false : true;
}
// Refresh the frame
renderLCDFrame();
}
// Read pins
if (adcEnabled)
addToBuffer(adcBuffer, adcRead(5) / 4); // 10-bit value converted to 8-bits
if (digEnabled)
addToBuffer(digBuffer, gpioGetValue(2, 0) ? 0xFF : 0x00);
// Update the LCD is required
renderLCDGrid();
// Note, this will actually mean the timing is ~100mS + the amount of
// time it took to get the readings and update the LCD
// A timer interrupt could be used to get much more accurate results,
// filling the buffer inside the IRQ and rendering the screen updates
// every x milliseconds
systickDelay(100);
}
return 0;
}
