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/**
* \file
*
* \brief User Interface
*
* Copyright (C) 2009 Atmel Corporation. All rights reserved.
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel AVR product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#include "compiler.h"
#include "conf_usb.h"
#include "udc.h"
#include "udi_hid_kbd.h"
#include "board.h"
#include "led.h"
#include "ui.h"
static struct{
bool b_modifier;
bool b_down;
uint8_t u8_value;
} ui_sequence[] = {
// Display windows menu
{true,true,HID_MODIFIER_LEFT_UI},
// Launch Windows Command line
{false,true,HID_R},
{false,false,HID_R},
// Clear modifier
{true,false,HID_MODIFIER_LEFT_UI},
// Tape sequence "notepad" + return
{false,true,HID_N},
{false,false,HID_N},
{false,true,HID_O},
{false,false,HID_O},
{false,true,HID_T},
{false,false,HID_T},
{false,true,HID_E},
{false,false,HID_E},
{false,true,HID_P},
{false,false,HID_P},
{false,true,HID_A},
{false,false,HID_A},
{false,true,HID_D},
{false,false,HID_D},
{false,true,HID_ENTER},
{false,false,HID_ENTER},
// Display "Atmel "
{true,true,HID_MODIFIER_RIGHT_SHIFT}, // Enable Maj
{false,true,HID_A},
{false,false,HID_A},
{true,false,HID_MODIFIER_RIGHT_SHIFT}, // Disable Maj
{false,true,HID_T},
{false,false,HID_T},
{false,true,HID_M},
{false,false,HID_M},
{false,true,HID_E},
{false,false,HID_E},
{false,true,HID_L},
{false,false,HID_L},
{false,true,HID_SPACEBAR},
{false,false,HID_SPACEBAR},
// Display "AVR "
{false,true,HID_CAPS_LOCK}, // Enable caps lock
{false,false,HID_CAPS_LOCK},
{false,true,HID_A},
{false,false,HID_A},
{false,true,HID_V},
{false,false,HID_V},
{false,true,HID_R},
{false,false,HID_R},
{false,true,HID_CAPS_LOCK}, // Disable caps lock
{false,false,HID_CAPS_LOCK},
};
void ui_init(void)
{
LED_On(LEDUSB_GPIO);
LED_On(LED0_GPIO);
LED_Off(LED1_GPIO);
}
void ui_powerdown(void)
{
LED_Off(LED0_GPIO);
LED_Off(LED1_GPIO);
}
void ui_wakeup_enable(void)
{
PORT_t *port;
// Configure pin change interrupt for asynch. wake-up on button pin.
ioport_configure_pin(GPIO_PUSH_BUTTON_0,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_1,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_2,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_3,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_4,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_5,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_6,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
ioport_configure_pin(GPIO_PUSH_BUTTON_7,
IOPORT_DIR_INPUT | IOPORT_PULL_UP);
port = ioport_pin_to_port(GPIO_PUSH_BUTTON_0);
port->INT0MASK = 0xFF;
port->INTCTRL = PORT_INT0LVL_LO_gc;
}
void ui_wakeup_disable(void)
{
PORT_t *port;
port = ioport_pin_to_port(GPIO_PUSH_BUTTON_0);
port->INT0MASK = 0x00;
}
// Interrupt on "pin change" from switch to do wakeup on USB
// Note:
// This interrupt is enable when the USB host enable remotewakeup feature
// This interrupt wakeup the CPU if this one is in idle mode
ISR(PORTF_INT0_vect)
{
PORT_t *port;
port = ioport_pin_to_port(GPIO_PUSH_BUTTON_0);
port->INTFLAGS = 0x01; // Ack interrupt
// It is a wakeup then send wakeup USB
udc_wakeup();
}
void ui_wakeup(void)
{
LED_On(LED0_GPIO);
}
void ui_process(uint16_t framenumber)
{
bool b_btn_state, sucess;
static bool btn_last_state = false;
static bool sequence_running = false;
static uint8_t u8_sequence_pos = 0;
uint8_t u8_value;
static uint16_t cpt_sof = 0;
if ((framenumber % 1000) == 0) {
LED_On(LED1_GPIO);
}
if ((framenumber % 1000) == 500) {
LED_Off(LED1_GPIO);
}
// Scan process running each 2ms
cpt_sof++;
if ((cpt_sof%2)==0)
return;
// Scan buttons on switch 0 to send keys sequence
b_btn_state = (gpio_pin_is_low(GPIO_PUSH_BUTTON_0)) ? true : false;
if (b_btn_state != btn_last_state) {
btn_last_state = b_btn_state;
sequence_running = true;
}
// Sequence process running each 200ms
if (200 > cpt_sof)
return;
cpt_sof = 0;
if (sequence_running) {
// Send next key
u8_value = ui_sequence[u8_sequence_pos].u8_value;
if (ui_sequence[u8_sequence_pos].b_modifier) {
if (ui_sequence[u8_sequence_pos].b_down) {
sucess = udi_hid_kbd_modifier_down(u8_value);
}else{
sucess = udi_hid_kbd_modifier_up(u8_value);
}
}else{
if (ui_sequence[u8_sequence_pos].b_down) {
sucess = udi_hid_kbd_down(u8_value);
}else{
sucess = udi_hid_kbd_up(u8_value);
}
}
if (!sucess)
return; // Retry it on next schedule
// Valid sequence position
u8_sequence_pos++;
if (u8_sequence_pos>=sizeof(ui_sequence)/sizeof(ui_sequence[0])) {
u8_sequence_pos=0;
sequence_running=false;
}
}
}
void ui_kbd_led(uint8_t value)
{
if (value&HID_LED_NUM_LOCK) {
LED_On(LED2_GPIO);
}else{
LED_Off(LED2_GPIO);
}
if (value&HID_LED_CAPS_LOCK) {
LED_On(LED3_GPIO);
}else{
LED_Off(LED3_GPIO);
}
}
/**
* \defgroup UI User Interface
*
* Human interface on Xplain-A1:
* - RED led close to USB connector is always on after firmware startup
* - Led 0 is on when USB line is in IDLE mode, and off in SUSPEND mode
* - Led 1 blinks when USB Host have checked and enabled HID Keyboard interface
* - The led 2 displays numeric lock status.
* - The led 3 displays caps lock status.
* - The switch 0 open a note pad and send key sequence "Atmel AVR USB Keyboard"
* - All switches can be used to wakeup USB Host in remote wakeup mode.
*/
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