/**************************************************************************/ /*! @file board_lpcxpresso1769.c @author hathach (tinyusb.org) @section LICENSE Software License Agreement (BSD License) Copyright (c) 2013, hathach (tinyusb.org) All rights reserved. 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. Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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. This file is part of the tinyusb stack. */ /**************************************************************************/ #include "../board.h" #if BOARD == BOARD_LPCXPRESSO1769 #define BOARD_LED_PORT (0) #define BOARD_LED_PIN (22) #define BOARD_UART_PORT LPC_UART3 void board_init(void) { SystemInit(); #if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c SysTick_Config(SystemCoreClock / CFG_TICKS_PER_SECOND); // 1 msec tick timer #endif // Leds Init GPIO_SetDir(BOARD_LED_PORT, BIT_(BOARD_LED_PIN), 1); #if MODE_DEVICE_SUPPORTED //------------- USB Device -------------// // VBUS sense is wrongly connected to P0_5 (instead of P1_30). So we need to always pull P1_30 to high // so that USB device block can work. However, Device Controller (thus tinyusb) cannot able to determine // if device is disconnected or not PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 1, .Pinnum = 30, .Funcnum = 2, .Pinmode = PINSEL_PINMODE_PULLUP} ); //P0_21 instead of P2_9 as USB connect #endif //------------- UART init -------------// PINSEL_CFG_Type PinCfg = { .Portnum = 0, .Pinnum = 0, // TXD is P0.0 .Funcnum = 2, .OpenDrain = 0, .Pinmode = 0 }; PINSEL_ConfigPin(&PinCfg); PinCfg.Portnum = 0; PinCfg.Pinnum = 1; // RXD is P0.1 PINSEL_ConfigPin(&PinCfg); UART_CFG_Type UARTConfigStruct; UART_ConfigStructInit(&UARTConfigStruct); UARTConfigStruct.Baud_rate = CFG_UART_BAUDRATE; UART_Init(BOARD_UART_PORT, &UARTConfigStruct); UART_TxCmd(BOARD_UART_PORT, ENABLE); // Enable UART Transmit } //--------------------------------------------------------------------+ // LEDS //--------------------------------------------------------------------+ void board_leds(uint32_t on_mask, uint32_t off_mask) { if (on_mask & BIT_(0)) { GPIO_SetValue(BOARD_LED_PORT, BIT_(BOARD_LED_PIN)); }else if (off_mask & BIT_(0)) { GPIO_ClearValue(BOARD_LED_PORT, BIT_(BOARD_LED_PIN)); } } //--------------------------------------------------------------------+ // UART //--------------------------------------------------------------------+ void board_uart_putchar(uint8_t c) { UART_Send(BOARD_UART_PORT, &c, 1, BLOCKING); } uint8_t board_uart_getchar(void) { return UART_ReceiveByte(BOARD_UART_PORT); } #endif