/* * @brief NXP LPCXpresso 11U68 Sysinit file * * @note * Copyright(C) NXP Semiconductors, 2013 * All rights reserved. * * @par * Software that is described herein is for illustrative purposes only * which provides customers with programming information regarding the * LPC products. This software is supplied "AS IS" without any warranties of * any kind, and NXP Semiconductors and its licensor disclaim any and * all warranties, express or implied, including all implied warranties of * merchantability, fitness for a particular purpose and non-infringement of * intellectual property rights. NXP Semiconductors assumes no responsibility * or liability for the use of the software, conveys no license or rights under any * patent, copyright, mask work right, or any other intellectual property rights in * or to any products. NXP Semiconductors reserves the right to make changes * in the software without notification. NXP Semiconductors also makes no * representation or warranty that such application will be suitable for the * specified use without further testing or modification. * * @par * Permission to use, copy, modify, and distribute this software and its * documentation is hereby granted, under NXP Semiconductors' and its * licensor's relevant copyrights in the software, without fee, provided that it * is used in conjunction with NXP Semiconductors microcontrollers. This * copyright, permission, and disclaimer notice must appear in all copies of * this code. */ #include "board.h" #include "string.h" /* The System initialization code is called prior to the application and initializes the board for run-time operation. Board initialization includes clock setup and default pin muxing configuration. */ /***************************************************************************** * Private types/enumerations/variables ****************************************************************************/ /***************************************************************************** * Public types/enumerations/variables ****************************************************************************/ /* Pin muxing table, only items that need changing from their default pin state are in this table. Not every pin is mapped. */ STATIC const PINMUX_GRP_T pinmuxing[] = { /* LPCXpresso pin - Base board function - Mapped function */ /* RESET-PIO0_0 - PIO/RESET (pin 4) - Reset */ /* PIO0_1-ISP_EN - PIO (pin 51) - GPIO input */ /* PIO0_2-SSP0_SSEL - PIO/SSEL (pin 8) - GPIO output for SSP0 CS */ /* PIO0_3-VBUS - - USB VBUS */ {0, 3, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO0_4-I2C_SCL - PIO/I2C-SCL (pin 41) - I2C0 SCL */ {0, 4, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO0_5-I2C_SDA - PIO/I2C-SDA (pin 40) - I2C0 SDA */ {0, 5, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO0_6 - - GPIO */ /* PIO0_7 - PIO (pin 11) - GPIO */ /* PIO0_8-SSP0_MISO - PIO/MISO (pin 6) - SSP0 MISO */ {0, 8, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO0_9-SSP0_MOSI - PIO/MOSI (pin 5) - SSP0 MOSI */ {0, 9, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* SWCLK-PIO0_10 - - SWCLK */ /* PIO0_11-ADC_9 - PIO/AD5 (pin 20) - ADC_9 */ {0, 11, (IOCON_FUNC2 | IOCON_MODE_INACT)}, /* PIO0_12-ADC_8 - PIO/AD4/SWDIO (pin 19) - ADC_8 */ {0, 12, (IOCON_FUNC2 | IOCON_MODE_INACT)}, /* PIO0_13-ADC_7 - PIO/AD3 (pin 18) - ADC_7 */ {0, 13, (IOCON_FUNC2 | IOCON_MODE_INACT)}, /* PIO0_14-ADC_6 - PIO/AD2 (pin 17) - ADC_6 */ {0, 14, (IOCON_FUNC2 | IOCON_MODE_INACT)}, /* PIO0_16-WAKEUP - - GPIO input */ /* PIO0_17 - PIO (pin 12) - GPIO */ /* TO_MUX_PIO0_18-ISP_RX - PIO/RXD (pin 10) - UART0 RX */ {0, 18, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO0_19-ISP_TX - PIO/TXD (pin 9) - UART0 TX */ {0, 19, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO0_20 - PIO (pin 13) - GPIO */ /* PIO0_21 - PIO (pin 14) - GPIO */ /* PIO0_22 - PIO (pin 21) - GPIO */ /* PIO0_23-ADC_1 - PIO/AD1 (pin 16) - ADC_1 */ {0, 23, (IOCON_FUNC1 | IOCON_MODE_INACT)}, /* PIO1_0 - PIO (pin 22) - GPIO */ /* PIO1_1 - PIO/USB_CONNECT (pin 23) - GPIO */ /* PIO1_2 - PIO/SWCLK (pin 24) - SWCLK */ /* PIO1_3 - PIO (pin 25) - GPIO */ /* PIO1_4 - PIO (pin 26) - GPIO */ /* PIO1_5 - PIO (pin 27) - GPIO */ /* PIO1_6 - PIO (pin 53) - GPIO */ /* PIO1_7 - PIO (pin 52) - GPIO */ /* PIO1_8 - PIO (pin 50) - GPIO */ /* PIO1_9-ADC_0 - PIO/AD0 (pin 15) - ADC_0 */ {1, 9, (IOCON_FUNC1 | IOCON_MODE_INACT)}, /* PIO1_10 - PIO (pin 49) - GPIO */ /* PIO1_11-I2C1_SCL - - I2C1 SCL */ {1, 11, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_12 - PIO/USB_VBUS (pin 39) - GPIO input */ /* PIO1_13 - PIO (pin 38) - GPIO output */ /* PIO1_14-I2C_SDA - - I2C SDA */ {1, 14, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_15 - PIO (pin 48) - GPIO */ /* PIO1_16 - - GPIO */ /* PIO1_17 - - GPIO */ /* PIO1_18 - - GPIO input, with pullup */ /* PIO1_19 - - GPIO */ /* PIO1_20-SSP1_SCK - - SSP1 CLK */ {1, 20, (IOCON_FUNC2 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_21-SSP1_MISO - - SSP1 MISO */ {1, 21, (IOCON_FUNC2 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_22-SSP1_MOSI - - SSP1 MOSI */ {1, 22, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_23-SSP1_SSEL - - SSP1 SSEL */ {1, 23, (IOCON_FUNC2 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_24-CT32B0_MAT0 - - GPIO input, with pullup */ /* PIO1_25 - - GPIO */ /* PIO1_26-CT32B0_MAT2 - - CT32B0_MAT2 */ {1, 26, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_27-CT32B0_MAT3 - - CT32B0_MAT3 */ {1, 27, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_28 - - GPIO */ /* PIO1_29-SSP0_SCK - PIO/SCK (pin 7) - SSP0 CLK */ {1, 29, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO1_30 - - GPIO */ /* PIO1_31 - - GPIO */ /* PIO2_0 - - XTALIN */ {2, 0, (IOCON_FUNC1 | IOCON_MODE_INACT)}, /* PIO2_1 - - XTALOUT */ {2, 1, (IOCON_FUNC1 | IOCON_MODE_INACT)}, /* PIO2_2-SCT0_OUT1 - PIO (pin 46) - GPIO */ /* PIO2_3-CT32B0_MAT1 - - CT32B0_MAT1 */ {2, 3, (IOCON_FUNC2 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, /* PIO2_4 - - GPIO */ /* PIO2_5 - - GPIO */ /* PIO2_6 - - GPIO */ /* PIO2_7-SCT0_OUT2 - PIO (pin 47) - GPIO */ /* PIO2_8 - - GPIO */ /* PIO2_9 - - GPIO */ /* PIO2_10 - - GPIO */ /* PIO2_11 - - GPIO */ /* PIO2_12 - - GPIO */ /* PIO2_13 - - GPIO */ /* PIO2_14 - - GPIO */ /* PIO2_15 - - GPIO */ /* PIO2_16-SCT1_OUT0 - PIO/MAT=PWM (pin 42) - LED1 GREEN */ /* PIO2_17-SCT1_OUT1 - PIO/MAT=PWM (pin 43) - LED0 RED */ /* PIO2_18-SCT1_OUT2 - PIO (pin 44) - LED2 BLUE */ /* PIO2_19-SCT1_OUT3 - PIO (pin 45) - GPIO */ /* PIO2_20 - - GPIO */ /* PIO2_21 - - GPIO */ /* PIO2_22 - - GPIO */ /* PIO2_23 - - GPIO */ }; /***************************************************************************** * Private functions ****************************************************************************/ /***************************************************************************** * Public functions ****************************************************************************/ /* Sets up system pin muxing */ void Board_SetupMuxing(void) { /* Enable IOCON clock */ Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON); Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T)); } /* Set up and initialize clocking prior to call to main */ void Board_SetupClocking(void) { Chip_SetupXtalClocking(); } /* Set up and initialize hardware prior to call to main */ void Board_SystemInit(void) { /* Setup system clocking and muxing */ Board_SetupMuxing();/* Muxing first as it sets up ext oscillator pins */ Board_SetupClocking(); }