/**************************************************************************/ /*! @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_UART_PORT LPC_UART3 void board_init(void) { SystemInit(); SysTick_Config(SystemCoreClock / CFG_TICKS_PER_SECOND); // 1 msec tick timer // Leds Init GPIO_SetDir(CFG_LED_PORT, BIT_(CFG_LED_PIN), 1); //------------- USB -------------// PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 2, .Pinnum = 9, .Funcnum = 1 } ); // lpcxpresso base board USB device : if base board J14 is inserted at 1-2, 1k5 resistor is controlled by P0_21 (active low) GPIO_SetDir(0, BIT_(21), 1); GPIO_ClearValue(0, BIT_(21)); #if CFG_UART_ENABLE //------------- 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 #endif #if CFG_PRINTF_TARGET == PRINTF_TARGET_SWO LPC_IOCON->PIO0_9 &= ~0x07; /* UART I/O config */ LPC_IOCON->PIO0_9 |= 0x03; /* UART RXD */ #endif } //--------------------------------------------------------------------+ // LEDS //--------------------------------------------------------------------+ void board_leds(uint32_t on_mask, uint32_t off_mask) { if (on_mask & BIT_(0)) { GPIO_SetValue(CFG_LED_PORT, BIT_(CFG_LED_PIN)); }else if (off_mask & BIT_(0)) { GPIO_ClearValue(CFG_LED_PORT, BIT_(CFG_LED_PIN)); } } //--------------------------------------------------------------------+ // UART //--------------------------------------------------------------------+ #if CFG_UART_ENABLE uint32_t board_uart_send(uint8_t *buffer, uint32_t length) { return UART_Send(BOARD_UART_PORT, buffer, length, BLOCKING); } uint32_t board_uart_recv(uint8_t *buffer, uint32_t length) { return UART_Receive(BOARD_UART_PORT, buffer, length, BLOCKING); } #endif #endif