| /** | |
| * \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_mouse.h" | |
| #include "board.h" | |
| #include "gpio.h" | |
| #include "joystick.h" | |
| #include "eic.h" | |
| #include "ui.h" | |
| #define MOUSE_MOVE_RANGE 3 | |
| // 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(ui_wakeup_isr, AVR32_GPIO0_IRQ_GROUP, 0) | |
| { | |
| // Clear GPIO interrupt. | |
| gpio_clear_pin_interrupt_flag(GPIO_JOYSTICK_PUSH); | |
| // Clear External Interrupt Line else Wakeup event always enabled | |
| eic_clear_interrupt_line(&AVR32_EIC, EXT_NMI); | |
| // It is a wakeup then send wakeup USB | |
| udc_wakeup(); | |
| } | |
| void ui_init(void) | |
| { | |
| /* register joystick handler on level 0 */ | |
| irqflags_t flags = cpu_irq_save(); | |
| irq_register_handler(ui_wakeup_isr, | |
| AVR32_GPIO_IRQ_0 + (GPIO_JOYSTICK_PUSH / 8), 0); | |
| cpu_irq_restore(flags); | |
| LED_On(LED0); | |
| LED_Off(LED1); | |
| } | |
| void ui_powerdown(void) | |
| { | |
| LED_Off(LED0); | |
| LED_Off(LED1); | |
| } | |
| //! Structure holding the configuration parameters of the EIC low level driver. | |
| static const eic_options_t eic_options = { | |
| // Choose External Interrupt Controller Line | |
| .eic_line = EXT_NMI, | |
| // Enable level-triggered interrupt. | |
| .eic_mode = EIC_MODE_LEVEL_TRIGGERED, | |
| // Don't care value because the chosen eic mode is level-triggered. | |
| .eic_edge = 0, | |
| // Interrupt will trigger on low-level. | |
| .eic_level = EIC_LEVEL_LOW_LEVEL, | |
| // Enable filter. | |
| .eic_filter = EIC_FILTER_ENABLED, | |
| // For Wake Up mode, initialize in asynchronous mode | |
| .eic_async = EIC_ASYNCH_MODE | |
| }; | |
| void ui_wakeup_enable(void) | |
| { | |
| /* configure joystick to produce IT on all state change */ | |
| gpio_enable_pin_interrupt(GPIO_JOYSTICK_PUSH, GPIO_PIN_CHANGE); | |
| /* | |
| * Configure pin change interrupt for asynchronous wake-up (required to | |
| * wake up from the STATIC sleep mode). | |
| * | |
| * First, map the interrupt line to the GPIO pin with the right | |
| * peripheral function. | |
| */ | |
| gpio_enable_module_pin(GPIO_JOYSTICK_PUSH, AVR32_EIC_EXTINT_8_FUNCTION); | |
| /* | |
| * Enable the internal pull-up resistor on that pin (because the EIC is | |
| * configured such that the interrupt will trigger on low-level, see | |
| * eic_options.eic_level). | |
| */ | |
| gpio_enable_pin_pull_up(GPIO_JOYSTICK_PUSH); | |
| // Init the EIC controller with the set options. | |
| eic_init(&AVR32_EIC, &eic_options, sizeof(eic_options) / | |
| sizeof(eic_options_t)); | |
| // Enable External Interrupt Controller Line | |
| eic_enable_line(&AVR32_EIC, EXT_NMI); | |
| } | |
| void ui_wakeup_disable(void) | |
| { | |
| eic_disable_line(&AVR32_EIC, EXT_NMI); | |
| /* Disable joystick input change ITs. */ | |
| gpio_disable_pin_interrupt(GPIO_JOYSTICK_PUSH); | |
| } | |
| void ui_wakeup(void) | |
| { | |
| LED_On(LED0); | |
| } | |
| void ui_process(uint16_t framenumber) | |
| { | |
| bool b_btn_state; | |
| static bool btn_left_last_state = HID_MOUSE_BTN_UP; | |
| static bool btn_right_last_state = HID_MOUSE_BTN_UP; | |
| static bool btn_middle_last_state = HID_MOUSE_BTN_UP; | |
| static uint8_t cpt_sof = 0; | |
| if ((framenumber % 1000) == 0) { | |
| LED_On(LED1); | |
| } | |
| if ((framenumber % 1000) == 500) { | |
| LED_Off(LED1); | |
| } | |
| // Scan process running each 2ms | |
| cpt_sof++; | |
| if (2 > cpt_sof) | |
| return; | |
| cpt_sof = 0; | |
| // Scan buttons on switch 0 (left), 1 (middle), 2 (right) | |
| b_btn_state = (!gpio_get_pin_value(GPIO_PUSH_BUTTON_0)) ? | |
| HID_MOUSE_BTN_DOWN : HID_MOUSE_BTN_UP; | |
| if (b_btn_state != btn_left_last_state) { | |
| udi_hid_mouse_btnleft(b_btn_state); | |
| btn_left_last_state = b_btn_state; | |
| } | |
| b_btn_state = (!gpio_get_pin_value(GPIO_PUSH_BUTTON_1)) ? | |
| HID_MOUSE_BTN_DOWN : HID_MOUSE_BTN_UP; | |
| if (b_btn_state != btn_middle_last_state) { | |
| udi_hid_mouse_btnmiddle(b_btn_state); | |
| btn_middle_last_state = b_btn_state; | |
| } | |
| b_btn_state = (!gpio_get_pin_value(GPIO_PUSH_BUTTON_2)) ? | |
| HID_MOUSE_BTN_DOWN : HID_MOUSE_BTN_UP; | |
| if (b_btn_state != btn_right_last_state) { | |
| udi_hid_mouse_btnright(b_btn_state); | |
| btn_right_last_state = b_btn_state; | |
| } | |
| // Joystick used to move mouse | |
| if (is_joystick_right()) | |
| udi_hid_mouse_moveX(MOUSE_MOVE_RANGE); | |
| if (is_joystick_left()) | |
| udi_hid_mouse_moveX(-MOUSE_MOVE_RANGE); | |
| if (is_joystick_up()) | |
| udi_hid_mouse_moveY(-MOUSE_MOVE_RANGE); | |
| if (is_joystick_down()) | |
| udi_hid_mouse_moveY(MOUSE_MOVE_RANGE); | |
| } | |
| /** | |
| * \defgroup UI User Interface | |
| * | |
| * Human interface on EVK1100 : | |
| * - PWR led is on when power present | |
| * - 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 mouse interface | |
| * - Mouse buttons are linked to switch PB0 (left), PB1 (middle), PB2 (right) | |
| * - Joystick are used to move mouse | |
| * - Only Push joystick button can be used to wakeup USB Host in remote wakeup mode. | |
| */ |