167 lines
6.7 KiB
C
167 lines
6.7 KiB
C
/****************************************************************************
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* boards/arm/a1x/pcduino-a10/src/pcduino_a10.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_A1X_PCDUINO_A10_PCDUINO_A10_H
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#define __BOARDS_ARM_A1X_PCDUINO_A10_PCDUINO_A10_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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#include <stdint.h>
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#include <arch/irq.h>
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#include <nuttx/irq.h>
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#include "a1x_pio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* LEDs *********************************************************************/
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/* The pcDuino v1 has four green LEDs; three can be controlled from software.
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* Two are tied to ground and, hence, illuminated by driving the output pins
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* to a high value:
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*
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* 1. LED1 SPI0_CLK SPI0_CLK/UART5_RX/EINT23/PI11
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* 2. LED5 IPSOUT From the PMU (not controllable by software)
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*/
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#define PIO_LED1 (PIO_OUTPUT | PIO_PULL_NONE | \
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PIO_DRIVE_MEDLOW | PIO_INT_NONE | \
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PIO_OUTPUT_CLEAR | PIO_PORT_PIOI | PIO_PIN11)
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/* And two are pull high and, hence, illuminated by grounding the output:
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*
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* 3. LED3 RX_LED LCD1_D16/ATAD12/KP_IN6/SMC_DET/EINT16/CSI1_D16/PH16
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* 4. LED4 TX_LED LCD1_D15/ATAD11/KP_IN5/SMC_VPPPP/EINT15/CSI1_D15/PH15
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*/
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#define PIO_LED3 (PIO_OUTPUT | PIO_PULL_NONE | \
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PIO_DRIVE_MEDLOW | PIO_INT_NONE | \
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PIO_OUTPUT_SET | PIO_PORT_PIOH | PIO_PIN16)
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#define PIO_LED4 (PIO_OUTPUT | PIO_PULL_NONE | \
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PIO_DRIVE_MEDLOW | PIO_INT_NONE | \
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PIO_OUTPUT_SET | PIO_PORT_PIOH | PIO_PIN15)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/a1x_leds.c.
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* The LEDs are used to encode OS-related events as follows:
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*
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* SYMBOL Meaning LED state
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* LED1 LED3 LED4
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* ----------------- ----------------------- ---- ---- ---- ------------
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* LED_STARTED NuttX has been started ON OFF OFF
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* LED_HEAPALLOCATE Heap has been allocated OFF ON OFF
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* LED_IRQSENABLED Interrupts enabled ON ON OFF
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* LED_STACKCREATED Idle stack created ON ON OFF
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* LED_INIRQ In an interrupt N/C N/C Soft glow
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* LED_SIGNAL In a signal handler N/C N/C Soft glow
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* LED_ASSERTION An assertion failed N/C N/C Soft glow
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* LED_PANIC The system has crashed N/C N/C 2Hz Flashing
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* LED_IDLE MCU is is sleep mode Not used
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*
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* After booting, LED1 and 3 are not longer used by the system and can be
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* used for other purposes by the application (Of course, all LEDs are
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* available to the application if CONFIG_ARCH_LEDS is not defined.
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*/
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/* Buttons ******************************************************************/
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/* There are a total of five switches on-board. All pulled high and, hence,
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* will be sensed as low when closed.
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*
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* SW1 Reset (not available to software)
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* SW2 UBOOT UBOOT_SEL (?)
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* SW3 Key_Back LCD1_D17/ATAD13/KP_IN7/SMC_VCCEN/EINT17/CSI1_D17/PH17
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* SW4 Key_Home LCD1_D18/ATAD14/KP_OUT0/SMC_SLK/EINT18/CSI1_D18/PH18
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* SW5 Key_Menu LCD1_D19/ATAD15/KP_OUT1/SMC_SDA/EINT19/CSI1_D19/PH19
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*/
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#ifdef CONFIG_A1X_PIO_IRQ
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# define PIO_KEY_BACK (PIO_EINT | PIO_PULL_NONE | PIO_DRIVE_NONE | \
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PIO_INT_BOTHEDGES | IO_PORT_PIOH | PIO_PIN17)
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# define PIO_KEY_HOME (PIO_EINT | PIO_PULL_NONE | PIO_DRIVE_NONE | \
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PIO_INT_BOTHEDGES | IO_PORT_PIOH | PIO_PIN18)
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# define PIO_KEY_MENU (PIO_EINT | PIO_PULL_NONE | PIO_DRIVE_NONE | \
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PIO_INT_BOTHEDGES | IO_PORT_PIOH | PIO_PIN19)
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#else
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# define PIO_KEY_BACK (PIO_INPUT | PIO_PULL_NONE | PIO_DRIVE_NONE | \
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PIO_INT_NONE | IO_PORT_PIOH | PIO_PIN17)
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# define PIO_KEY_HOME (PIO_INPUT | PIO_PULL_NONE | PIO_DRIVE_NONE | \
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PIO_INT_NONE | IO_PORT_PIOH | PIO_PIN18)
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# define PIO_KEY_MENU (PIO_INPUT | PIO_PULL_NONE | PIO_DRIVE_NONE | \
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PIO_INT_NONE | IO_PORT_PIOH | PIO_PIN19)
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#endif
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/* SPI Chip Selects *********************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Functions Definitions
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****************************************************************************/
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/****************************************************************************
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* Name: a1x_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y :
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* Called from board_late_initialize().
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int a1x_bringup(void);
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/****************************************************************************
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* Name: a1x_led_initialize
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*
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* Description:
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* Configure LEDs. LEDs are left in the OFF state.
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*
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****************************************************************************/
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void a1x_led_initialize(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_A1X_PCDUINO_A10_PCDUINO_A10_H */
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