134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/**************************************************************************/
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/*!
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@file board_lpcexpresso1347.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "../board.h"
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#if BOARD == BOARD_LPCXPRESSO1347
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#define LED_PORT (0)
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#define LED_PIN (7)
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#define LED_ON (1)
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#define LED_OFF (0)
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const static struct {
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uint8_t port;
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uint8_t pin;
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} buttons[] =
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{
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{1, 22 }, // Joystick up
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{1, 20 }, // Joystick down
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{1, 23 }, // Joystick left
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{1, 21 }, // Joystick right
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{1, 19 }, // Joystick press
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{0, 1 }, // SW3
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// {1, 4 }, // SW4 (require to remove J28)
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};
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enum {
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BOARD_BUTTON_COUNT = sizeof(buttons) / sizeof(buttons[0])
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};
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void board_init(void)
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{
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SystemInit();
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#if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c
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SysTick_Config(SystemCoreClock / CFG_TICKS_PER_SECOND); // 1 msec tick timer
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#endif
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GPIOInit();
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//------------- LED -------------//
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GPIOSetDir(LED_PORT, LED_PIN, 1);
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LPC_GPIO->CLR[LED_PORT] = (1 << LED_PIN);
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//------------- BUTTON -------------//
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for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) GPIOSetDir(buttons[i].port, BIT_(buttons[i].pin), 0);
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//------------- UART -------------//
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UARTInit(CFG_UART_BAUDRATE);
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}
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//--------------------------------------------------------------------+
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// LEDS
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//--------------------------------------------------------------------+
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void board_leds(uint32_t on_mask, uint32_t off_mask)
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{
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if (on_mask & BIT_(0))
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{
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GPIOSetBitValue(LED_PORT, LED_PIN, LED_ON);
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}else if (off_mask & BIT_(0))
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{
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GPIOSetBitValue(LED_PORT, LED_PIN, LED_OFF);
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}
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}
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//--------------------------------------------------------------------+
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// BUTTONS
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//--------------------------------------------------------------------+
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static bool button_read(uint8_t id)
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{
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return !GPIOGetPinValue(buttons[id].port, buttons[id].pin); // button is active low
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}
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uint32_t board_buttons(void)
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{
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uint32_t result = 0;
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for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) result |= (button_read(i) ? BIT_(i) : 0);
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return result;
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}
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//--------------------------------------------------------------------+
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// UART
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//--------------------------------------------------------------------+
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void board_uart_putchar(uint8_t c)
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{
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UARTSend(&c, 1);
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}
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uint8_t board_uart_getchar(void)
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{
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return 0;
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}
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#endif
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