void
USBDevice_::attach()
{
// Configure hardware and phase-locked-loop and enable
_usbConfiguration = 0;
HW_CONFIG();
USB_FREEZE();
PLL_CONFIG();
// Wait for the phase-locked-loop to lock on
loop_until_bit_is_set(PLLCSR, PLOCK);
// Give the host some extra time
delay(1);
// Start the usb clock and enable interrupt service
USB_CONFIG();
UDCON = 0;
UDINT = 0;
UDIEN = _BV(EORSTE) | _BV(SOFE) | _BV(SUSPE);
// Wait for usb device to connect to host
TX_RX_LED_INIT;
while (!_usbConfiguration) delay(200);
}
bool
USBDevice_::attach()
{
// Configure hardware and phase-locked-loop and enable
_usbConfiguration = 0;
HW_CONFIG();
USB_FREEZE();
PLL_CONFIG();
// Wait for the phase-locked-loop to lock on
loop_until_bit_is_set(PLLCSR, PLOCK);
// Give the host some extra time
delay(1);
// Start the usb clock and enable interrupt service
USB_CONFIG();
UDCON = 0;
UDINT = 0;
UDIEN = _BV(EORSTE) | _BV(SOFE) | _BV(SUSPE);
// Wait for usb device to connect to host
TX_RX_LED_INIT;
for (uint8_t timeout=10;timeout;timeout--) { // 2 seconds
if (_usbConfiguration)
return (true);
delay(200);
}
// Host didn't connect, disable USB, leave powered
UDIEN = _BV(DETACH);
USB_UNCONFIG();
return (false);
}
// initialize USB serial
void usb_init(void)
{
uint8_t u;
u = USBCON;
if ((u & (1<<USBE)) && !(u & (1<<FRZCLK))) return;
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
usb_suspended = 0;
keyboard_report_data[0] = 0;
keyboard_report_data[1] = 0;
keyboard_report_data[2] = 0;
keyboard_report_data[3] = 0;
keyboard_report_data[4] = 0;
keyboard_report_data[5] = 0;
keyboard_report_data[6] = 0;
keyboard_report_data[7] = 0;
keyboard_protocol = 1;
keyboard_idle_config = 125;
keyboard_idle_count = 0;
keyboard_leds = 0;
UDINT = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE);
//sei(); // init() in wiring.c does this
}
// initialize USB
void usb_init(void) {
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE);
sei();
}
/*! \fn initUsb(void)
* \brief USB controller initialization
*/
void initUsb(void)
{
HW_CONFIG(); // enable regulator
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))); // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0x00; // enable attach resistor
usb_configuration = 0; // usb not configured by default
UDIEN = (1<<EORSTE)|(1<<SOFE); // start USB
}
// initialize USB
void usb_init(void) {
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1 << PLOCK))) { ; }
USB_CONFIG(); // start USB clock
// UDCON = (1<<LSM); // enable attach resistor - Low Speed USB
UDCON = 0; // enable attach resistor - Full Speed USB
usb_configuration = 0;
// enable End-Of-Reset and Start-Of-Frame interrupts
UDIEN = (1<<EORSTE)|(1<<SOFE);
}
// initialize USB
void usb_init(void)
{
//volatile int dly;
//for (dly=0; dly<1000; dly++) ; // delay before attach
HW_CONFIG();
USBCON = (1<<USBE) | (1<<FRZCLK); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE);
sei();
}
// initialize USB serial
void usb_init(void)
{
uint8_t u;
u = USBCON;
if ((u & (1<<USBE)) && !(u & (1<<FRZCLK))) return;
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
usb_suspended = 0;
cdc_line_rtsdtr = 0;
UDINT = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE);
}
// initialize USB serial
void usb_init(void)
{
uint8_t u;
u = USBCON;
if ((u & (1<<USBE)) && !(u & (1<<FRZCLK))) return;
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
usb_suspended = 0;
cdc_line_rtsdtr = 0;
keyboard_report_data[0] = 0;
keyboard_report_data[1] = 0;
keyboard_report_data[2] = 0;
keyboard_report_data[3] = 0;
keyboard_report_data[4] = 0;
keyboard_report_data[5] = 0;
keyboard_report_data[6] = 0;
keyboard_report_data[7] = 0;
keyboard_protocol = 1;
keyboard_idle_config = 125;
keyboard_idle_count = 0;
keyboard_leds = 0;
mouse_buttons = 0;
mouse_protocol = 1;
joystick_report_data[0] = 0;
joystick_report_data[1] = 0;
joystick_report_data[2] = 0;
joystick_report_data[3] = 0;
joystick_report_data[4] = 0x0F;
joystick_report_data[5] = 0x20;
joystick_report_data[6] = 0x80;
joystick_report_data[7] = 0x00;
joystick_report_data[8] = 0x02;
joystick_report_data[9] = 0x08;
joystick_report_data[10] = 0x20;
joystick_report_data[11] = 0x80;
UDINT = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE);
}
// initialize USB serial
void usb_init(void)
{
uint8_t u;
u = USBCON;
if ((u & (1<<USBE)) && !(u & (1<<FRZCLK))) return;
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
usb_suspended = 0;
debug_flush_timer = 0;
UDINT = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE);
//sei(); // init() in wiring.c does this
}
// initialize USB serial
void usb_init(void)
{
uint8_t u;
u = USBCON;
if ((u & (1<<USBE)) && !(u & (1<<FRZCLK))) {
media_restart();
return;
}
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
usb_suspended = 0;
debug_flush_timer = 0;
keyboard_modifier_keys = 0;
keyboard_keys[0] = 0;
keyboard_keys[1] = 0;
keyboard_keys[2] = 0;
keyboard_keys[3] = 0;
keyboard_keys[4] = 0;
keyboard_keys[5] = 0;
keyboard_protocol = 1;
keyboard_idle_config = 125;
keyboard_idle_count = 0;
keyboard_leds = 0;
ms_state = MS_STATE_IDLE;
media_lock_state = 0;
UDINT = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE);
//sei(); // init() in wiring.c does this
media_init();
}
/*
* Set-up the main oscillator, PLL0 and CPU clock (if necessary)
*/
static void clock_setup(void)
{
#ifndef CONFIG_LPC178X_SYS_CLK_IRC
/*
* Enable external oscillator and wait for it to become ready
*/
LPC178X_SCC->scs |=
#if CONFIG_LPC178X_EXTOSC_RATE > 15000000
LPC178X_SCC_SCS_OSCRANGE_MSK |
#endif
LPC178X_SCC_SCS_OSCEN_MSK;
while (!(LPC178X_SCC->scs & LPC178X_SCC_SCS_OSCSTAT_MSK));
/*
* Switch PLL0 and SYSCLK to the external oscillator.
* Only one bit used in CLKSRCSEL register, therefore not using |=
*/
LPC178X_SCC->clksrcsel = LPC178X_SCC_CLKSRCSEL_CLKSRC_MSK;
#endif /* !CONFIG_LPC178X_SYS_CLK_IRC */
#ifdef CONFIG_LPC178X_PLL0_ENABLE
PLL_CONFIG(0);
#endif /* CONFIG_LPC178X_PLL0_ENABLE */
#ifdef CONFIG_LPC178X_PLL1_ENABLE
/*
* PLL1 is necessary for USB
*/
PLL_CONFIG(1);
#endif /* CONFIG_LPC178X_PLL1_ENABLE */
/*
* CPU clock
*/
LPC178X_SCC->cclksel =
#ifdef CONFIG_LPC178X_PLL0_FOR_CPU
LPC178X_SCC_CCLKSEL_CCLKSEL_MSK |
#endif
(CONFIG_LPC178X_CPU_DIV << LPC178X_SCC_CCLKSEL_CCLKDIV_BITS);
/*
* Peripheral clock (used for UARTs, etc)
*
* Only PCLKDIV bit group used in PCLKSEL, therefore not using |=
*/
LPC178X_SCC->pclksel =
(CONFIG_LPC178X_PCLK_DIV << LPC178X_SCC_PCLKSEL_PCLKDIV_BITS);
#ifdef CONFIG_NR_DRAM_BANKS
/*
* EMC clock
*/
#ifdef CONFIG_LPC178X_EMC_HALFCPU
LPC178X_SCC->emcclksel = LPC178X_SCC_EMCCLKSEL_HALFCPU_MSK;
#else /* CONFIG_LPC178X_EMC_HALFCPU */
LPC178X_SCC->emcclksel = 0;
#endif /* CONFIG_LPC178X_EMC_HALFCPU */
#endif /* CONFIG_NR_DRAM_BANKS */
#ifdef CONFIG_LPC178X_USB_DIV
/*
* USB clock
*/
LPC178X_SCC->usbclksel =
(CONFIG_LPC178X_USB_DIV << LPC178X_SCC_USBCLKSEL_USBDIV_BITS) |
LPC178X_SCC_USBCLKSEL_USBSEL_PLL1_MSK;
#endif /* CONFIG_LPC178X_USB_DIV */
}
