127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/**************************************************************************/
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/*!
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@file board_lpclink2.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_LPCLINK2
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#define BOARD_UART_PORT LPC_USART0
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#define BOARD_UART_PIN_PORT 0x0f
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#define BOARD_UART_PIN_TX 10 // PF.10 : UART0_TXD
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#define BOARD_UART_PIN_RX 11 // PF.11 : UART0_RXD
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#define BOARD_MAX_LEDS 1
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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] = { {0, 8} };
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void board_init(void)
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{
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CGU_Init();
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#if CFG_TUSB_OS == OPT_OS_NONE // TODO may move to main.c
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SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE) / BOARD_TICKS_HZ); // 1 msec tick timer
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#endif
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//------------- USB -------------//
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//------------- LED -------------//
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for (uint8_t i=0; i<BOARD_MAX_LEDS; i++)
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{
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scu_pinmux(leds[i].port, leds[i].pin, MD_PUP|MD_EZI|MD_ZI, FUNC0);
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GPIO_SetDir(leds[i].port, BIT_(leds[i].pin), 1); // output
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}
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#if CFG_UART_ENABLE
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//------------- UART -------------//
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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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uint8_t board_uart_getchar(void)
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{
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return UART_ReceiveByte(BOARD_UART_PORT);
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}
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#endif
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#endif
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