/* * board_ea4357.c * * Created on: Jan 17, 2013 * 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_EA4357 #include "common/assertion.h" // TODO there is hal_debugger_ in assertion #define UART_PORT LPC_USART0 void board_init(void) { SystemInit(); CGU_Init(); SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE) / CFG_TICKS_PER_SECOND); // 1 msec tick timer // USB0 Power: EA4357 channel B U20 GPIO26 active low (base board), P2_3 on LPC4357 scu_pinmux(0x2, 3, MD_PUP | MD_EZI, FUNC7); // USB0 VBus Power // USB1 Power: EA4357 channel A U20 is enabled by SJ5 connected to pad 1-2, no more action required scu_pinmux(0x2, 5, MD_PLN | MD_EZI | MD_ZI, FUNC2); // USB1_VBUS monitor presence, must be high for bus reset occur // init I2C and set up MIC2555 to have 15k pull-down on USB1 D+ & D- I2C_Init(LPC_I2C0, 100000); I2C_Cmd(LPC_I2C0, ENABLE); pca9532_init(); // Leds Init // ASSERT_INT(0x058d, mic255_get_vendorid(), (void) 0); // verify vendor id // ASSERT( mic255_regs_write(6, BIN8(1100)), (void) 0); // pull down D+/D- for host #if CFG_UART_ENABLE //------------- UART init -------------// scu_pinmux(0xF ,10 , MD_PDN, FUNC1); // PF.10 : UART0_TXD scu_pinmux(0xF ,11 , MD_PLN|MD_EZI|MD_ZI, FUNC1); // PF.11 : UART0_RXD UART_CFG_Type UARTConfigStruct; UART_ConfigStructInit(&UARTConfigStruct); UARTConfigStruct.Baud_rate = CFG_UART_BAUDRATE; UARTConfigStruct.Clock_Speed = 0; UART_Init(UART_PORT, &UARTConfigStruct); UART_TxCmd(UART_PORT, ENABLE); // Enable UART Transmit #endif #if CFG_PRINTF_TARGET == PRINTF_TARGET_SWO #endif } //--------------------------------------------------------------------+ // LEDS //--------------------------------------------------------------------+ void board_leds(uint32_t on_mask, uint32_t off_mask) { pca9532_setLeds( on_mask << 8, off_mask << 8); } //--------------------------------------------------------------------+ // UART //--------------------------------------------------------------------+ #if CFG_UART_ENABLE uint32_t board_uart_send(uint8_t *buffer, uint32_t length) { return UART_Send(UART_PORT, buffer, length, BLOCKING); } uint32_t board_uart_recv(uint8_t *buffer, uint32_t length) { return UART_Receive(UART_PORT, buffer, length, BLOCKING); } #endif /****************************************************************************** * * Description: * Initialize the trim potentiometer, i.e. ADC connected to TrimPot on * Base Board. * *****************************************************************************/ //void trimpot_init(void) //{ // // pinsel for AD0.3 on p7.5 // scu_pinmux( 7 , 5 , PDN_DISABLE | PUP_DISABLE | INBUF_DISABLE, 0 ); // LPC_SCU->ENAIO0 |= (1<<3); // // ADC_Init(LPC_ADC0, 400000, 10); // // ADC_IntConfig(LPC_ADC0, ADC_ADINTEN2, DISABLE); // ADC_ChannelCmd(LPC_ADC0, ADC_CH_TRIMPOT, ENABLE); //} //------------- MIC2555 external OTG transceiver on USB1 -------------// // MIC2555 1YML = 0101111, 0YML = 0101101 //#define MIC255_ADDR BIN8(0101111) //static uint8_t mic255_regs_read(uint8_t regs_addr) //{ // uint8_t value; // // ASSERT( SUCCESS == I2C_MasterTransferData( // LPC_I2C0, // & (I2C_M_SETUP_Type) // { // .sl_addr7bit = MIC255_ADDR, // .retransmissions_max = 3, // // .tx_data = ®s_addr, // .tx_length = 1, // // .rx_data = &value, // .rx_length = 1 // }, // I2C_TRANSFER_POLLING), 0xFF); // // return value; //} //static bool mic255_regs_write(uint8_t regs_addr, uint8_t data) //{ // uint8_t xfer_data[2] = { regs_addr, data} ; // // ASSERT( SUCCESS == I2C_MasterTransferData( // LPC_I2C0, // & (I2C_M_SETUP_Type) // { // .sl_addr7bit = MIC255_ADDR, // .retransmissions_max = 3, // // .tx_data = xfer_data, // .tx_length = 2, // }, // I2C_TRANSFER_POLLING), false); // // return true; //} //static uint16_t mic255_get_vendorid(void) //{ // uint8_t vendor_low = mic255_regs_read(0); // uint8_t vendor_high = mic255_regs_read(1); // // return (vendor_high << 8) | vendor_low; //} #endif