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nuttx/configs/pic32mz-starterkit/include/board.h

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/****************************************************************************
* configs/pic32mz-starterkit/include/board.h
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __CONFIGS_SURE_PIC32MZ_INCLUDE_BOARD_H
#define __CONFIGS_SURE_PIC32MZ_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdbool.h>
#endif
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Clocking *****************************************************************/
/* Crystal frequencies
*
* - A 24 MHz oscillator circuit (Y4) is connected to the on-board
* microcontroller. This oscillator circuit functions as the controller’s
* primary oscillator. Depending on which is populated on the starter kit
* board, a 24 MHz crystal (Y1) may be used instead of Y4.
* - The starter kit also has provisions for an external secondary 32 kHz
* oscillator (Y2); however, this is not populated.
*/
#define BOARD_POSC_FREQ 24000000 /* Primary OSC XTAL frequency (Y4, 24MHz) */
#define BOARD_SOSC_FREQ 32000 /* Secondary OSC XTAL frequency (Y2, 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 5 /* Divider = 5 */
#define BOARD_PBCLK2 40000000 /* PBCLK2 frequency = 200MHz/5 = 40MHz */
/* 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, CAN, Ethernet, SQI
*
* NOTES:
* - PBCLK5 is used to fetch data from/to the Flash Controller, while the
* FRC clock is used for programming
*/
#undef BOARD_PBCLK5_ENABLE
/* 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 */
/* LED definitions **********************************************************/
/* LED Configuration ********************************************************/
/* The PIC32MZ Ethernet Starter kit has 3 user LEDs labelled LED1-3 on the
* board:
*
* PIN LED Notes
* --- ----- -------------------------
* RH0 LED1 High illuminates (RED)
* RH1 LED3 High illuminates (YELLOW)
* RH2 LED2 High illuminates (GREEN)
*/
/* LED index values for use with pic32mz_setled() */
#define PIC32MZ_STARTERKIT_LED1 0
#define PIC32MZ_STARTERKIT_LED2 1
#define PIC32MZ_STARTERKIT_LED3 2
#define PIC32MZ_STARTERKIT_NLEDS 3
/* LED bits for use with pic32mz_setleds() */
#define PIC32MZ_STARTERKIT_LED1_BIT (1 << PIC32MZ_STARTERKIT_LED1)
#define PIC32MZ_STARTERKIT_LED2_BIT (1 << PIC32MZ_STARTERKIT_LED2)
#define PIC32MZ_STARTERKIT_LED3_BIT (1 << PIC32MZ_STARTERKIT_LED3)
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 3 LEDs
* on board the Ethernet Starter Kit. The following definitions
* describe how NuttX controls the LEDs:
*
* ON OFF
* ------------------------- ---- ---- ---- ---- ---- ----
* LED1 LED2 LED3 LED1 LED2 LED3
* ------------------------- ---- ---- ---- ---- ---- ----
* LED_STARTED 0 OFF OFF OFF --- --- ---
* LED_HEAPALLOCATE 1 ON OFF N/C --- --- ---
* LED_IRQSENABLED 2 OFF ON N/C --- --- ---
* LED_STACKCREATED 3 ON ON N/C --- --- ---
* LED_INIRQ 4 N/C N/C ON N/C N/C OFF
* LED_SIGNAL 4 N/C N/C ON N/C N/C OFF
* LED_ASSERTION 4 N/C N/C ON N/C N/C OFF
* LED_PANIC 5 ON N/C N/C OFF N/C N/C
*/
#define LED_STARTED 0
#define LED_HEAPALLOCATE 1
#define LED_IRQSENABLED 2
#define LED_STACKCREATED 3
#define LED_INIRQ 4
#define LED_SIGNAL 4
#define LED_ASSERTION 4
#define LED_PANIC 5
#define LED_NVALUES 6
/* Switch definitions *******************************************************/
/* The PIC32MZ Ethernet Starter kit has 3 user push buttons labelled SW1-3
* on the board:
*
* PIN LED Notes
* ---- ---- -------------------------
* RB12 SW1 Active-low
* RB13 SW2 Active-low
* RB14 SW3 Active-low
*
* The switches do not have any debounce circuitry and require internal pull-
* up resistors. When Idle, the switches are pulled high (+3.3V), and they
* are grounded when pressed.
*/
#define BUTTON_SW1 0
#define BUTTON_SW2 1
#define BUTTON_SW3 2
#define NUM_BUTTONS 3
#define BUTTON_SW1_BIT (1 << BUTTON_SW1)
#define BUTTON_SW2_BIT (1 << BUTTON_SW2)
#define BUTTON_SW3_BIT (1 << BUTTON_SW3)
/* UARTS ********************************************************************/
/* If the PIC32MZEC Adaptor Board is connected, then UART1 signals are
* available at these locations on the adaptor board:
*
* JP7 Pin 2: RPC14
* JP8 Pin 2: RPB3
*/
#define BOARD_U1RX_PPS U1RXR_RPC14
#define BOARD_U1TX_PPS U1TX_RPB3R
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: pic32mz_ledinit and pic32mz_setled
*
* Description:
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
* LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces
* are available to control the LEDs from user applications.
*
****************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void pic32mz_ledinit(void);
void pic32mz_setled(int led, bool ledon);
void pic32mz_setleds(uint8_t ledset);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_SURE_PIC32MZ_INCLUDE_BOARD_H */
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