322 lines
10 KiB
C
322 lines
10 KiB
C
/****************************************************************************
|
||
* boards/mips/pic32mz/chipkit-wifire/include/board.h
|
||
*
|
||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||
* contributor license agreements. See the NOTICE file distributed with
|
||
* this work for additional information regarding copyright ownership. The
|
||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||
* "License"); you may not use this file except in compliance with the
|
||
* License. You may obtain a copy of the License at
|
||
*
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
*
|
||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||
* License for the specific language governing permissions and limitations
|
||
* under the License.
|
||
*
|
||
****************************************************************************/
|
||
|
||
#ifndef __BOARDS_MIPS_PIC32MZ_CHIPKIT_WIFIRE_INCLUDE_BOARD_H
|
||
#define __BOARDS_MIPS_PIC32MZ_CHIPKIT_WIFIRE_INCLUDE_BOARD_H
|
||
|
||
/****************************************************************************
|
||
* Included Files
|
||
****************************************************************************/
|
||
|
||
#include <nuttx/config.h>
|
||
|
||
#ifndef __ASSEMBLY__
|
||
# include <stdbool.h>
|
||
#endif
|
||
|
||
/****************************************************************************
|
||
* Pre-processor Definitions
|
||
****************************************************************************/
|
||
|
||
/* Clocking *****************************************************************/
|
||
|
||
/* Crystal frequencies
|
||
*
|
||
* - A 24 MHz oscillator circuit (IC7) is connected to the on-board
|
||
* microcontroller. This oscillator circuit functions as the controller’s
|
||
* primary oscillator.
|
||
* - The starter kit also has provisions for an external secondary 32 kHz
|
||
* oscillator (X2); however, this is not populated.
|
||
*/
|
||
|
||
#define BOARD_POSC_FREQ 24000000 /* Primary OSC XTAL frequency (IC7, 24MHz) */
|
||
#define BOARD_SOSC_FREQ 32000 /* Secondary OSC XTAL frequency (X2, 32KHz) */
|
||
|
||
/* Oscillator modes.
|
||
*
|
||
* - BOARD_POSC_ECMODE: An external oscillator is connected to OSC1/OSC2
|
||
* - BOARD_POSC_HSMODE: An external crystal or resonator is connected to
|
||
* OSC1/OSC2
|
||
*/
|
||
|
||
#define BOARD_FNOSC_SPLL 1 /* Use system PLL */
|
||
#define BOARD_POSC_ECMODE 1 /* External clock (EC) mode */
|
||
#define BOARD_POSC_SWITCH 1 /* Enable clock switching */
|
||
#undef BOARD_POSC_FSCM /* Disable clock monitoring */
|
||
|
||
/* PLL configuration and resulting CPU clock.
|
||
* CPU_CLOCK = ((POSC_FREQ / IDIV) * MULT) / ODIV
|
||
*/
|
||
|
||
#define BOARD_PLL_INPUT BOARD_POSC_FREQ
|
||
#define BOARD_PLL_IDIV 3 /* PLL input divider */
|
||
#define BOARD_PLL_MULT 50 /* PLL multiplier */
|
||
#define BOARD_PLL_ODIV 2 /* PLL output divider */
|
||
|
||
#define BOARD_CPU_CLOCK 200000000 /* CPU clock: 200MHz = (24MHz / 3) * 50 / 2) */
|
||
|
||
/* Peripheral clocks */
|
||
|
||
/* PBCLK1
|
||
* Peripherals: OSC2 pin
|
||
*
|
||
* NOTES:
|
||
* - PBCLK1 is used by system modules and cannot be turned off
|
||
* - PBCLK1 divided by 2 is available on the OSC2 pin in certain clock
|
||
* modes.
|
||
*/
|
||
|
||
#define BOARD_PB1DIV 5 /* Divider = 5 */
|
||
#define BOARD_PBCLK1 40000000 /* PBCLK1 frequency = 200MHz/5 = 40MHz */
|
||
|
||
/* PBCLK2
|
||
* Peripherals: PMP, I2C, UART, SPI
|
||
*/
|
||
|
||
#define BOARD_PBCLK2_ENABLE 1 /* Enable PBCLK2 */
|
||
#define BOARD_PB2DIV 2 /* Divider = 2 */
|
||
#define BOARD_PBCLK2 100000000 /* PBCLK2 frequency = 200MHz/2 = 100MHz */
|
||
|
||
/* PBCLK3
|
||
* Peripherals: ADC, Comparator, Timers, Output Compare, Input Compare
|
||
*
|
||
* NOTES:
|
||
* - Timer 1 uses SOSC
|
||
*/
|
||
|
||
#define BOARD_PBCLK3_ENABLE 1 /* Enable PBCLK3 */
|
||
#define BOARD_PB3DIV 4 /* Divider = 4 */
|
||
#define BOARD_PBCLK3 50000000 /* PBCLK3 frequency = 200MHz/4 = 50MHz */
|
||
|
||
/* PBCLK4
|
||
* Peripherals: Ports
|
||
*/
|
||
|
||
#define BOARD_PBCLK4_ENABLE 1 /* Enable PBCLK4 */
|
||
#define BOARD_PB4DIV 2 /* Divider = 2 */
|
||
#define BOARD_PBCLK4 100000000 /* PBCLK4 frequency = 200MHz/2 = 100MHz */
|
||
|
||
/* PBCLK5
|
||
* Peripherals: Flash, Crypto, RND, USB, Ethernet, SQI
|
||
*
|
||
* NOTES:
|
||
* - PBCLK5 is used to fetch data from/to the Flash Controller, while the
|
||
* FRC clock is used for programming
|
||
*/
|
||
|
||
#define BOARD_PBCLK5_ENABLE 1 /* Enable PBCLK5 */
|
||
#define BOARD_PB5DIV 2 /* Divider = 2 */
|
||
#define BOARD_PBCLK5 100000000 /* PBCLK5 frequency = 200MHz/2 = 100MHz */
|
||
|
||
/* PBCLK6
|
||
* Peripherals:
|
||
*/
|
||
|
||
#undef BOARD_PBCLK6_ENABLE
|
||
|
||
/* PBCLK7
|
||
* Peripherals: CPU, Deadman timer
|
||
*/
|
||
|
||
#undef BOARD_PBCLK7_ENABLE
|
||
|
||
/* PBCLK8
|
||
* Peripherals: EBI
|
||
*/
|
||
|
||
#undef BOARD_PBCLK8_ENABLE
|
||
|
||
/* Watchdog pre-scaler (re-visit) */
|
||
|
||
#define BOARD_WD_PRESCALER 1048576 /* Watchdog pre-scaler */
|
||
|
||
/* Ethernet MII clocking.
|
||
*
|
||
* The clock divider used to create the MII Management Clock (MDC). The MIIM
|
||
* module uses the PBCLK5 as an input clock. According to the IEEE 802.3
|
||
* Specification this should be no faster than 2.5 MHz. However, some PHYs
|
||
* support clock rates up to 12.5 MHz.
|
||
*/
|
||
|
||
#define BOARD_EMAC_MIIM_DIV 40 /* Ideal: 100MHz/40 = 2.5MHz */
|
||
|
||
/* LED definitions **********************************************************/
|
||
|
||
/* There are four LEDs on the top side of the board:
|
||
* controlled by software:
|
||
*
|
||
* LED LD1 - RG6
|
||
* LED LD2 - RD4
|
||
* LED LD3 - RB11
|
||
* LED LD4 - RG15
|
||
*
|
||
* A high output value illuminates the LEDs.
|
||
*/
|
||
|
||
/* LED index values for use with board_userled(): */
|
||
|
||
# define BOARD_LED_LD1 0
|
||
# define BOARD_LED_LD2 1
|
||
# define BOARD_LED_LD3 2
|
||
# define BOARD_LED_LD4 3
|
||
# define BOARD_NLEDS 4
|
||
|
||
/* LED bits for use with board_userled_all() */
|
||
|
||
# define BOARD_LED_LD1_BIT (1 << BOARD_LED_LD1)
|
||
# define BOARD_LED_LD2_BIT (1 << BOARD_LED_LD2)
|
||
# define BOARD_LED_LD3_BIT (1 << BOARD_LED_LD3)
|
||
# define BOARD_LED_LD4_BIT (1 << BOARD_LED_LD4)
|
||
|
||
/* These LEDs are available to the application and are all available to the
|
||
* application unless CONFIG_ARCH_LEDS is defined. In that case, the usage
|
||
* by the board port is defined in include/board.h and
|
||
* src/pic32mz_autoleds.c. The LEDs are used to encode OS-related events
|
||
* as follows:
|
||
*
|
||
* SYMBOL MEANING LED STATE
|
||
* A B C D
|
||
* ---------------- ----------------------- --- --- --- ---
|
||
*/
|
||
|
||
#define LED_STARTED 0 /* NuttX has been started ON OFF OFF OFF */
|
||
#define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF ON OFF OFF */
|
||
#define LED_IRQSENABLED 2 /* Interrupts enabled OFF OFF ON OFF */
|
||
#define LED_STACKCREATED 3 /* Idle stack created OFF OFF OFF ON */
|
||
#define LED_INIRQ 4 /* In an interrupt ON ON ON ON */
|
||
#define LED_SIGNAL 4 /* In a signal handler ON ON ON ON */
|
||
#define LED_ASSERTION 4 /* An assertion failed ON ON ON ON */
|
||
#define LED_PANIC 4 /* The system has crashed ON ON ON ON */
|
||
#undef LED_IDLE /* MCU is is sleep mode ---- Not used - */
|
||
|
||
/* Switch definitions *******************************************************/
|
||
|
||
/* The chipKIT Wi-Fire has 2 user push buttons labeled BTN1 and BTN2 on the
|
||
* white side of the board:
|
||
*
|
||
* PIN Button Notes
|
||
* ----- ---- -------------------------
|
||
* RA5 BTN1 Sensed low when closed
|
||
* RA4 BTN2 Sensed low when closed
|
||
*
|
||
* The switches have external pull-down resistors. The switches are
|
||
* pulled down and pulled up to +3.3V when pressed.
|
||
*/
|
||
|
||
#define BUTTON_BTN1 0
|
||
#define BUTTON_BTN2 1
|
||
#define NUM_BUTTONS 2
|
||
|
||
#define BUTTON_BTN1_BIT (1 << BUTTON_BTN1)
|
||
#define BUTTON_BTN2_BIT (1 << BUTTON_BTN2)
|
||
|
||
/* UARTS ********************************************************************/
|
||
|
||
#define BOARD_U4RX_PPS U4RXR_RPF2
|
||
#define BOARD_U4TX_PPS U4TX_RPF8R
|
||
|
||
/* SPI **********************************************************************/
|
||
|
||
/* SPI1 is available on pins D5,D7,D35,D36 of the Arduino Shield connectors
|
||
* where you would expect them. The SPI connector is configured as follows:
|
||
*
|
||
* Pin J7&10 Board Signal PIC32MZ
|
||
* --- -- ------------ -------
|
||
* D5 11 SPI1_SCK RD1
|
||
* D36 6 SPI1_MISO RF1
|
||
* D35 4 SPI1_MOSI RC1
|
||
* D7 15 SPI1_SS RE9
|
||
*
|
||
* SPI2 is available on pins D10-D13 of the Arduino Shield connectors where
|
||
* you would expect them. The SPI connector is configured as follows:
|
||
*
|
||
* Pin J7&10 Board Signal PIC32MZ
|
||
* --- -- ------------ -------
|
||
* D13 11 SPI2_SCK RG6
|
||
* D12 9 SPI2_MISO RF0
|
||
* D11 7 SPI2_MOSI RD11
|
||
* D10 5 SPI2_SS RG9
|
||
*
|
||
* SPI3 is available on microSD connector as follows:
|
||
*
|
||
* Pin Board Signal PIC32MZ
|
||
* ---- ------------ -------
|
||
* SCK SPI3_SCK RB14
|
||
* SDO SPI3_MISO RB10
|
||
* SDI SPI3_MOSI RC4
|
||
* CS SPI3_SS RC3
|
||
*
|
||
* SPI4 is connected to MRF24WG0MA WiFi module as follows:
|
||
*
|
||
* Pin Board Signal PIC32MZ
|
||
* ---- ------------ -------
|
||
* SCK SPI4_SCK RD10
|
||
* SDO SPI4_MISO RF5
|
||
* SDI SPI4_MOSI RG0
|
||
* CS SPI4_SS RD9
|
||
*
|
||
* Chip select pin definitions are provided in
|
||
* boards/mips/chipkit-wifire/src/chipkit-wifire.h.
|
||
*
|
||
* CLK (output) pins have no alternative pin configurations.
|
||
*/
|
||
|
||
#define BOARD_SDI1_PPS SDI1R_RPF1
|
||
#define BOARD_SDO1_PPS SDO1_RPC1R
|
||
|
||
#define BOARD_SDI2_PPS SDI2R_RPF0
|
||
#define BOARD_SDO2_PPS SDO2_RPD11R
|
||
|
||
#define BOARD_SDI3_PPS SDI3R_RPB10
|
||
#define BOARD_SDO3_PPS SDO3_RPC4R
|
||
|
||
#define BOARD_SDI4_PPS SDI4R_RPF5
|
||
#define BOARD_SDO4_PPS SDO4_RPG0R
|
||
|
||
/****************************************************************************
|
||
* Public Types
|
||
****************************************************************************/
|
||
|
||
#ifndef __ASSEMBLY__
|
||
|
||
/****************************************************************************
|
||
* Inline Functions
|
||
****************************************************************************/
|
||
|
||
#ifdef __cplusplus
|
||
#define EXTERN extern "C"
|
||
extern "C"
|
||
{
|
||
#else
|
||
#define EXTERN extern
|
||
#endif
|
||
|
||
/****************************************************************************
|
||
* Public Function Prototypes
|
||
****************************************************************************/
|
||
|
||
#undef EXTERN
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /* __ASSEMBLY__ */
|
||
#endif /* __BOARDS_MIPS_PIC32MZ_CHIPKIT_WIFIRE_INCLUDE_BOARD_H */
|