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