160 lines
5.7 KiB
C
160 lines
5.7 KiB
C
/**************************************************************************/
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/*!
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@file board_ea4357.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_EA4357
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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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void board_init(void)
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{
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CGU_Init();
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#if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c
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SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE) / CFG_TICKS_PER_SECOND); // 1 msec tick timer
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#endif
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//------------- USB -------------//
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// USB0 Power: EA4357 channel B U20 GPIO26 active low (base board), P2_3 on LPC4357
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scu_pinmux(0x2, 3, MD_PUP | MD_EZI, FUNC7); // USB0 VBus Power
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// USB1 Power: EA4357 channel A U20 is enabled by SJ5 connected to pad 1-2, no more action required
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// TODO Remove R170, R171, solder a pair of 15K to USB1 D+/D- to test with USB1 Host
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// TODO Device only USB0
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// 1.5Kohm pull-up resistor is needed on the USB DP data signal. GPIO28 (base), P9_5 (LPC4357) controls
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// scu_pinmux(0x9, 5, MD_PUP|MD_EZI|MD_ZI, FUNC4); // GPIO5[18]
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// GPIO_SetDir(5, BIT_(18), 1); // output
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// GPIO_ClearValue(5, BIT_(18));
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//------------- LED -------------//
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I2C_Init(LPC_I2C0, 100000);
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I2C_Cmd(LPC_I2C0, ENABLE);
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pca9532_init();
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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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#if 0
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//------------- Ethernet -------------//
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LPC_CREG->CREG6 &= ~0x7;
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/* RMII mode setup only */
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LPC_CREG->CREG6 |= 0x4;
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scu_pinmux(0x1, 18, (MD_EHS | MD_PLN | MD_ZI) , FUNC3); // ENET TXD0
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scu_pinmux(0x1, 20, (MD_EHS | MD_PLN | MD_ZI) , FUNC3); // ENET TXD1
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scu_pinmux(0x0, 1 , (MD_EHS | MD_PLN | MD_ZI) , FUNC6); // ENET TX Enable
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scu_pinmux(0x1, 15, (MD_EHS | MD_PLN | MD_EZI | MD_ZI), FUNC3); // ENET RXD0
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scu_pinmux(0x0, 0 , (MD_EHS | MD_PLN | MD_EZI | MD_ZI), FUNC2); // ENET RXD1
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scu_pinmux(0x1, 16, (MD_EHS | MD_PLN | MD_EZI | MD_ZI), FUNC7); // ENET RX Data Valid
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scu_pinmux(0x1, 19, (MD_EHS | MD_PLN | MD_EZI | MD_ZI), FUNC0); // ENET REF CLK
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scu_pinmux(0x1, 17, (MD_EHS | MD_PLN | MD_EZI | MD_ZI), FUNC3); // ENET MDIO
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scu_pinmux(0xC, 1 , (MD_EHS | MD_PLN | MD_ZI) , FUNC3); // ENET MDC
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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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pca9532_setLeds( on_mask << 8, off_mask << 8);
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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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/******************************************************************************
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*
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* Description:
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* Initialize the trim potentiometer, i.e. ADC connected to TrimPot on
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* Base Board.
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*
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*****************************************************************************/
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//void trimpot_init(void)
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//{
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// // pinsel for AD0.3 on p7.5
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// scu_pinmux( 7 , 5 , PDN_DISABLE | PUP_DISABLE | INBUF_DISABLE, 0 );
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// LPC_SCU->ENAIO0 |= (1<<3);
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//
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// ADC_Init(LPC_ADC0, 400000, 10);
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//
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// ADC_IntConfig(LPC_ADC0, ADC_ADINTEN2, DISABLE);
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// ADC_ChannelCmd(LPC_ADC0, ADC_CH_TRIMPOT, ENABLE);
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//}
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#endif
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