int main(void)
{
// set for 16 MHz clock
CPU_PRESCALE(0);
// Initialize the USB, and then wait for the host to set configuration.
// If the Teensy is powered without a PC connected to the USB port,
// this will wait forever.
usb_init();
while (!usb_configured()) /* wait */ ;
print_set_sendchar(sendchar);
keyboard_init();
host_set_driver(pjrc_driver());
#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
while (1) {
uint32_t mtl_time = timer_read32();
for ( int i = 0; i < 1000; i++ ) {
/*print( "Main loop: i = " );*/
/*phex( (uint8_t) ( i >> 8 ) & 0xff );*/
/*phex( (uint8_t) ( i >> 0 ) & 0xff );*/
/*print( "\n" );*/
while (suspend) {
suspend_power_down();
if (remote_wakeup && suspend_wakeup_condition()) {
usb_remote_wakeup();
}
}
keyboard_task();
}
mtl_time = timer_elapsed32( mtl_time );
// No TP: 247 ms
// TP full: 10820 ms
// No usb report: same as TP full
// print( "Time for 1,000 keyboard_tasks: " );
// phex( (uint8_t) ( mtl_time >> 24 ) & 0xff );
// phex( (uint8_t) ( mtl_time >> 16 ) & 0xff );
// phex( (uint8_t) ( mtl_time >> 8 ) & 0xff );
// phex( (uint8_t) ( mtl_time >> 0 ) & 0xff );
// print( "\n" );
}
}
bool iota_gfx_init(bool rotate) {
bool success = false;
i2c_master_init();
send_cmd1(DisplayOff);
send_cmd2(SetDisplayClockDiv, 0x80);
send_cmd2(SetMultiPlex, DisplayHeight - 1);
send_cmd2(SetDisplayOffset, 0);
send_cmd1(SetStartLine | 0x0);
send_cmd2(SetChargePump, 0x14 /* Enable */);
send_cmd2(SetMemoryMode, 0 /* horizontal addressing */);
if(rotate){
// the following Flip the display orientation 180 degrees
send_cmd1(SegRemap);
send_cmd1(ComScanInc);
}else{
// Flips the display orientation 0 degrees
send_cmd1(SegRemap | 0x1);
send_cmd1(ComScanDec);
}
send_cmd2(SetComPins, 0x2);
send_cmd2(SetContrast, 0x8f);
send_cmd2(SetPreCharge, 0xf1);
send_cmd2(SetVComDetect, 0x40);
send_cmd1(DisplayAllOnResume);
send_cmd1(NormalDisplay);
send_cmd1(DeActivateScroll);
send_cmd1(DisplayOn);
send_cmd2(SetContrast, 0); // Dim
clear_display();
success = true;
iota_gfx_flush();
#if DEBUG_TO_SCREEN
print_set_sendchar(capture_sendchar);
#endif
done:
return success;
}
static void setup_usb(void)
{
// Leonardo needs. Without this USB device is not recognized.
USB_Disable();
USB_Init();
// for Console_Task
USB_Device_EnableSOFEvents();
print_set_sendchar(sendchar);
/* wait for USB startup & debug output */
uint8_t timeout = 255; // timeout when USB is not available
while (timeout-- &&USB_DeviceState != DEVICE_STATE_Configured) {
wait_ms(4);
#if defined(INTERRUPT_CONTROL_ENDPOINT)
;
#else
USB_USBTask();
#endif
}
print("USB configured.\n");
}
static void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
// Leonardo needs. Without this USB device is not recognized.
USB_Disable();
USB_Init();
// for Console_Task
USB_Device_EnableSOFEvents();
print_set_sendchar(sendchar_func);
// SUART PD0:output, PD1:input
DDRD |= (1<<0);
PORTD |= (1<<0);
DDRD &= ~(1<<1);
PORTD |= (1<<1);
}
int main(void)
{
CPU_PRESCALE(0);
// DDRD = _BV(PD5);
// DDRB = _BV(PB0);
// PORTD = _BV(PD5);
// PORTB = _BV(PB0);
print_set_sendchar(sendchar);
// usb_init();
// _delay_ms(2000);
// while (!usb_configured()) /* wait */
dprintf("Initializing keyboard...\n");
keyboard_init();
// This implementation is pretty simplistic... if the USB connection
// is not configured, choose the Bluefruit, otherwise use USB
// Definitely would prefer to have this driven by an input pin and make
// it switch dynamically - BCG
// if (!usb_configured()) {
// // Send power to Bluefruit... Adafruit says it takes 27 mA, I think
// // the pins should provide 40 mA, but just in case I switch the
// // Bluefruit using a transistor - BCG
// DDRB = _BV(PB6);
// PORTB |= _BV(PB6);
dprintf("Setting host driver to bluefruit...\n");
host_set_driver(bluefruit_driver());
dprintf("Initializing serial...\n");
serial_init();
// char swpa[] = "+++\r\n";
// for (int i = 0; i < 5; i++) {
// serial_send(swpa[i]);
// }
// char ble_enable[] = "AT+BLEKEYBOARDEN=1\r\n";
// for (int i = 0; i < 20; i++) {
// serial_send(ble_enable[i]);
// }
// char reset[] = "ATZ\r\n";
// for (int i = 0; i < 5; i++) {
// serial_send(reset[i]);
// }
// for (int i = 0; i < 5; i++) {
// serial_send(swpa[i]);
// }
// wait an extra second for the PC's operating system
// to load drivers and do whatever it does to actually
// be ready for input
_delay_ms(1000);
// PORTD = ~_BV(PD5);
dprintf("Starting main loop");
while (1) {
keyboard_task();
}
// } else {
// // I'm not smart enough to get this done with LUFA - BCG
// dprintf("Setting host driver to PJRC...\n");
// host_set_driver(pjrc_driver());
// #ifdef SLEEP_LED_ENABLE
// sleep_led_init();
// #endif
// // wait an extra second for the PC's operating system
// // to load drivers and do whatever it does to actually
// // be ready for input
// _delay_ms(1000);
// PORTB = ~_BV(PB0);
// dprintf("Starting main loop");
// while (1) {
// while (suspend) {
// suspend_power_down();
// if (remote_wakeup && suspend_wakeup_condition()) {
// usb_remote_wakeup();
// }
// }
// keyboard_task();
// }
// }
}