tinyUSB/demos/bsp/boards/board_ngx4330.c

/*
 * board_ngx4330.c
 *
 *  Created on: Dec 4, 2012
 *      Author: hathach
 */

/*
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 tiny usb stack.
 */

#include "board.h"

#if BOARD == BOARD_NGX4330

#include "lpc43xx_uart.h"
#include "lpc43xx_scu.h"
#include "lpc43xx_cgu.h"
#include "lpc43xx_gpio.h"
#include "lpc43xx_timer.h"
#include "lpc43xx_i2c.h"
#include "lpc43xx_gpdma.h"
#include "lpc43xx_i2s.h"
#include "lpc43xx_emc.h"

#define BOARD_MAX_LEDS  2
const static struct {
  uint8_t port;
  uint8_t pin;
}leds[BOARD_MAX_LEDS] = { {1, 11}, {1,12} };

void board_init(void)
{
  SystemInit();
  CGU_Init();
	SysTick_Config( CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE)/CFG_TICKS_PER_SECOND );	/* 1 ms Timer */

	//------------- USB Bus power HOST ONLY-------------//
	scu_pinmux(0x1, 7, MD_PUP | MD_EZI, FUNC4);	// P1_7 USB0_PWR_EN, USB0 VBus function Xplorer

	scu_pinmux(0x2, 5, MD_PLN | MD_EZI | MD_ZI, FUNC2);	// USB1_VBUS monitor presence, must be high for bus reset occur
	scu_pinmux(0x2, 6, MD_PUP | MD_EZI, FUNC4); // P2_6 is configured as GPIO5[6] for USB1_PWR_EN
	GPIO_SetDir   (5, BIT_(6), 1);              // GPIO5[6] is output
	GPIO_SetValue (5, BIT_(6));                 // GPIO5[6] output high

	// Leds Init
	for (uint8_t i=0; i<BOARD_MAX_LEDS; i++)
	{
	  scu_pinmux(leds[i].port, leds[i].pin, MD_PUP|MD_EZI|MD_ZI, FUNC0);
	  GPIO_SetDir(leds[i].port, BIT_(leds[i].pin), 1); // output
	}

#if CFG_UART_ENABLE
	//------------- UART init -------------//
	UART_CFG_Type UARTConfigStruct;

	scu_pinmux(0x6 ,4, MD_PDN|MD_EZI, FUNC2); 	// UART0_TXD
	scu_pinmux(0x6 ,5, MD_PDN|MD_EZI, FUNC2); 	// UART0_RXD

	UART_ConfigStructInit(&UARTConfigStruct);                   // default: baud = 9600, 8 bit data, 1 stop bit, no parity
	UARTConfigStruct.Baud_rate = CFG_UART_BAUDRATE;             // Re-configure baudrate

	UART_Init((LPC_USARTn_Type*) LPC_USART0, &UARTConfigStruct); // Initialize UART port
	UART_TxCmd((LPC_USARTn_Type*) LPC_USART0, ENABLE);           // Enable UART
#endif

}

void board_leds(uint32_t mask, uint32_t state)
{
  for(uint8_t i=0; i<BOARD_MAX_LEDS; i++)
  {
    if ( mask & BIT_(i) )
    {
      (mask & state) ? GPIO_SetValue(leds[i].port, BIT_(leds[i].pin)) : GPIO_ClearValue(leds[i].port, BIT_(leds[i].pin)) ;
    }
  }
}

uint32_t board_uart_send(uint8_t *p_buffer, uint32_t length)
{
  return UART_Send((LPC_USARTn_Type*) LPC_USART0, p_buffer, length, BLOCKING);
}

uint32_t board_uart_recv(uint8_t *p_buffer, uint32_t length)
{
  return UART_Receive((LPC_USARTn_Type*) LPC_USART0, p_buffer, length, BLOCKING);
}

#endif