/**************************************************************************** * 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 #ifndef __ASSEMBLY__ # include #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 then. 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 then. 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 */