149 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/**************************************************************************/
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/*!
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    @file     board_mcb4300.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_MCB4300
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#define BOARD_MAX_LEDS      8
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#define BOARD_UART_PORT     LPC_USART0
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#define BOARD_UART_PIN_PORT 2
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#define BOARD_UART_PIN_TX   0
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#define BOARD_UART_PIN_RX   1
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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static const uint8_t ledports[] = {6, 6, 6, 6, 6, 4, 4, 4};
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static const uint8_t ledbits[] = {24, 25, 26, 27, 28, 12, 13, 14};
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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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}leds[BOARD_MAX_LEDS] = {
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    {6, 24}, {6, 25}, {6, 26}, {6, 27},
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    {4, 28}, {4, 12}, {4, 13}, {4, 14}};
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// IMPLEMENTATION
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//--------------------------------------------------------------------+
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void board_init(void)
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{
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  CGU_Init();
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  SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE) / CFG_TICKS_PER_SECOND); // 1 msec tick timer
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  //------------- USB Bus power HOST ONLY-------------//
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  // Keil VBUS0 is P6_3
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  scu_pinmux(0x6, 3, MD_PUP | MD_EZI, FUNC1);     		// P6_3 USB0_PWR_EN, USB0 VBus function
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  // Keil VBUS1 is P9_5
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  scu_pinmux(0x9, 5, MD_PUP | MD_EZI, FUNC2);				// P9_5 USB1_PWR_EN, USB1 VBus function
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  //------------- LEDs init, J21 must be installed -------------//
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  LPC_SCU->SFSPD_10  =  4;              // GPIO6[24]
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  LPC_SCU->SFSPD_11  =  4;              // GPIO6[25]
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  LPC_SCU->SFSPD_12  =  4;              // GPIO6[26]
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  LPC_SCU->SFSPD_13  =  4;              // GPIO6[27]
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  LPC_SCU->SFSPD_14  =  4;              // GPIO6[28]
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  LPC_SCU->SFSP9_0   =  0;              // GPIO4[12]
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  LPC_SCU->SFSP9_1   =  0;              // GPIO4[13]
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  LPC_SCU->SFSP9_2   =  0;              // GPIO4[14]
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  for(uint32_t i=0; i<BOARD_MAX_LEDS; i++)
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  {
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    GPIO_SetDir(leds[i].port, BIT_(leds[i].pin), 1); // output
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  }
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  //------------- UART init -------------//
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  #if CFG_UART_ENABLE
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	scu_pinmux(BOARD_UART_PIN_PORT, BOARD_UART_PIN_TX, MD_PDN             , FUNC1);
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	scu_pinmux(BOARD_UART_PIN_PORT, BOARD_UART_PIN_RX, MD_PLN|MD_EZI|MD_ZI, FUNC1);
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	UART_CFG_Type UARTConfigStruct;
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  UART_ConfigStructInit(&UARTConfigStruct);
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	UARTConfigStruct.Baud_rate = CFG_UART_BAUDRATE;
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	UARTConfigStruct.Clock_Speed = 0;
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	UART_Init(BOARD_UART_PORT, &UARTConfigStruct);
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	UART_TxCmd(BOARD_UART_PORT, ENABLE); // Enable UART Transmit
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  #endif
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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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  for (uint32_t i=0; i<BOARD_MAX_LEDS; i++)
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  {
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    if ( on_mask & BIT_(i))
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    {
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      GPIO_SetValue(leds[i].port, BIT_(leds[i].pin));
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    }else if ( off_mask & BIT_(i)) // on_mask take precedence over off_mask
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    {
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      GPIO_ClearValue(leds[i].port, BIT_(leds[i].pin));
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    }
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  }
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}
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//--------------------------------------------------------------------+
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// UART
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//--------------------------------------------------------------------+
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#if CFG_UART_ENABLE
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uint32_t board_uart_send(uint8_t *buffer, uint32_t length)
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{
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  return UART_Send(BOARD_UART_PORT, buffer, length, BLOCKING);
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}
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uint32_t board_uart_recv(uint8_t *buffer, uint32_t length)
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{
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  return UART_Receive(BOARD_UART_PORT, buffer, length, BLOCKING);
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}
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#endif
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#endif
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