312 lines
12 KiB
C
312 lines
12 KiB
C
/*
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* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
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* Copyright (c) 2015, Zolertia
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup zoul-platforms
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* @{
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*
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* \defgroup firefly Firefly platform
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*
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* The Zolertia Firefly is the most down-to-core development platform, exposing
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* the Zoul core functionalities and features, with a slick design to allow a
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* flexible and easier user experience.
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*
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* Defines related to the Firefly platform: a Zoul-based breakout board
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*
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* This file provides connectivity information on LEDs, Buttons, UART and
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* other peripherals
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*
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* This file can be used as the basis to configure other platforms using the
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* cc2538 SoC.
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* @{
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*
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* \file
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* Header file with definitions related to the I/O connections on the Zolertia's
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* Firefly platform, Zoul-based
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*
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* \note Do not include this file directly. It gets included by contiki-conf
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* after all relevant directives have been set.
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*/
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#ifndef BOARD_H_
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#define BOARD_H_
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#include "dev/gpio.h"
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#include "dev/nvic.h"
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/*---------------------------------------------------------------------------*/
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/** \name Connector headers
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*
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* The Firefly features two 2.54 mm header rows over which exposes the following
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* pins (facing up, Zolertia logo above and Micro-USB connector below):
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* -----------------------------+---+---+--------------------------------------
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* PIN_NAME |JP3|JP2| PIN_NAME
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* -----------------------------+---+---+--------------------------------------
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* PB5/CC1200.CS |-01|01-| LED1/PD5
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* PB2/SPI0.SCLK/CC1200.SCLK |-02|02-| LED2/PD4
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* PB1/SPIO0.MOSI/CC1200.MOSI |-03|03-| LED3/PD3
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* PB3/SPIO0.MISO/CC1200.MISO |-04|04-| PD2
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* PB3/CC1200.GPIO0 |-05|05-| PD1
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* PC0/UART1.TX |-06|06-| PD0
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* PC1/UART1.RX |-07|07-| AIN7/PA7
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* PC2/I2C.SDA |-08|08-| AIN6/PA6
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* PC3/I2C.SCL |-09|09-| ADC1/AIN5/PA5
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* PC4/SPI1.SCLK |-10|10-| ADC2/AIN4/PA4
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* PC5/SPI1.MOSI |-11|11-| BUTTON.USER/PA3
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* PC6/SPI1.MISO |-12|12-| ADC3/AIN2/PA2
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* USB.D+ |-13|13-| DGND
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* USB.D- |-14|14-| D+3.3
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* ---------------------------+-+---+---+-+------------------------------------
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*/
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/*---------------------------------------------------------------------------*/
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/** \name Firefly LED configuration
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*
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* LEDs on the Firefly are connected as follows:
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* - LED1 (Red) -> PD5
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* - LED2 (Green) -> PD4
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* - LED3 (Blue) -> PD3
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*
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* LED1 pin exposed in JP2 connector
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* LED2 pin exposed in JP2 connector
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* LED3 pin exposed in JP2 connector
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* @{
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*/
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/*---------------------------------------------------------------------------*/
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/* Some files include leds.h before us, so we need to get rid of defaults in
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* leds.h before we provide correct definitions */
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#undef LEDS_GREEN
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#undef LEDS_YELLOW
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#undef LEDS_BLUE
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#undef LEDS_RED
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#undef LEDS_CONF_ALL
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/* In leds.h the LEDS_BLUE is defined by LED_YELLOW definition */
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#define LEDS_GREEN (1 << 4) /**< LED1 (Green) -> PD4 */
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#define LEDS_BLUE (1 << 3) /**< LED2 (Blue) -> PD3 */
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#define LEDS_RED (1 << 5) /**< LED3 (Red) -> PD5 */
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#define LEDS_CONF_ALL (LEDS_GREEN | LEDS_BLUE | LEDS_RED)
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#define LEDS_LIGHT_BLUE (LEDS_GREEN | LEDS_BLUE) /**< Green + Blue (24) */
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#define LEDS_YELLOW (LEDS_GREEN | LEDS_RED) /**< Green + Red (48) */
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#define LEDS_PURPLE (LEDS_BLUE | LEDS_RED) /**< Blue + Red (40) */
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#define LEDS_WHITE LEDS_ALL /**< Green + Blue + Red (56) */
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/* Notify various examples that we have LEDs */
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#define PLATFORM_HAS_LEDS 1
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name USB configuration
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*
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* The USB pullup is to be enabled by an external resistor, as it is not mapped
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* to a GPIO.
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*/
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#ifdef USB_PULLUP_PORT
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#undef USB_PULLUP_PORT
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#endif
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#ifdef USB_PULLUP_PIN
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#undef USB_PULLUP_PIN
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#endif
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name UART configuration
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*
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* On the Firefly, the UARTs are connected to the following ports/pins:
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*
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* - UART0:
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* - RX: PA0, connected to CP2104 serial-to-usb converter TX pin
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* - TX: PA1, connected to CP2104 serial-to-usb converter RX pin
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* - UART1:
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* - RX: PC1
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* - TX: PC0
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* - CTS: not used, one suggestion however is to use PD1
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* - RTS: not used, one suggestion however is to use PD0
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*
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* We configure the port to use UART0 and UART1, CTS/RTS only for UART1,
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* both without a HW pull-up resistor.
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* UART0 is not exposed anywhere, UART1 pins are exposed over the JP3 connector.
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* @{
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*/
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#define UART0_RX_PORT GPIO_A_NUM
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#define UART0_RX_PIN 0
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#define UART0_TX_PORT GPIO_A_NUM
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#define UART0_TX_PIN 1
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#define UART1_RX_PORT GPIO_C_NUM
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#define UART1_RX_PIN 1
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#define UART1_TX_PORT GPIO_C_NUM
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#define UART1_TX_PIN 0
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#define UART1_CTS_PORT (-1) /**< GPIO_D_NUM */
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#define UART1_CTS_PIN (-1) /**< 1 */
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#define UART1_RTS_PORT (-1) /**< GPIO_D_NUM */
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#define UART1_RTS_PIN (-1) /**< 0 */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Firefly Button configuration
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*
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* Buttons on the Firefly are connected as follows:
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* - BUTTON_USER -> PA3, S1 user button, shared with bootloader
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* - BUTTON_RESET -> RESET_N line
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* @{
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*/
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/** BUTTON_USER -> PA3 */
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#define BUTTON_USER_PORT GPIO_A_NUM
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#define BUTTON_USER_PIN 3
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#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
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/* Notify various examples that we have Buttons */
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#define PLATFORM_HAS_BUTTON 1
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name ADC configuration
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*
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* These values configure which CC2538 pins and ADC channels to use for the ADC
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* inputs. There pins are suggested as they can be changed, but note that only
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* pins from PA can be configured as ADC.
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*
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* The Firefly, as it is, only allows 3.3VDC sensors.
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*
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* The internal ADC reference is 1190mV, use either a voltage divider as input,
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* or a different voltage reference, like AVDD5 or other externally (AIN7 or
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* AIN6).
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* @{
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*/
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#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
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#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
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#define ADC_SENSORS_ADC2_PIN 4 /**< ADC2 to PA4, 3V3 */
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#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 3V3 */
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#define ADC_SENSORS_ADC4_PIN 6 /**< ADC4 to PA6, 3V3 */
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#define ADC_SENSORS_ADC5_PIN 7 /**< ADC5 to PA7, 3V3 */
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#define ADC_SENSORS_MAX 5 /**< PA2, PA4, PA5, PA6, PA7 */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name SPI (SSI0) configuration
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*
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* These values configure which CC2538 pins to use for the SPI (SSI0) lines,
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* reserved exclusively for the CC1200 RF transceiver. These pins are exposed
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* to the JP3 connector. To disable the CC1200 and use these pins, just
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* remove the R10 resistor (0 ohm), which powers both the CC2538 and CC1200 to
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* only power the SoC.
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* TX -> MOSI, RX -> MISO
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* @{
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*/
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#define SPI0_CLK_PORT GPIO_B_NUM
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#define SPI0_CLK_PIN 2
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#define SPI0_TX_PORT GPIO_B_NUM
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#define SPI0_TX_PIN 1
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#define SPI0_RX_PORT GPIO_B_NUM
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#define SPI0_RX_PIN 3
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name SPI (SSI1) configuration
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*
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* These values configure which CC2538 pins to use for the SPI (SSI1) lines,
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* exposed over JP3 connector.
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* TX -> MOSI, RX -> MISO
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* @{
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*/
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#define SPI1_CLK_PORT GPIO_C_NUM
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#define SPI1_CLK_PIN 4
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#define SPI1_TX_PORT GPIO_C_NUM
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#define SPI1_TX_PIN 5
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#define SPI1_RX_PORT GPIO_C_NUM
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#define SPI1_RX_PIN 6
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name I2C configuration
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*
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* These values configure which CC2538 pins to use for the I2C lines, exposed
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* over JP3 connector.
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* @{
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*/
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#define I2C_SCL_PORT GPIO_C_NUM
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#define I2C_SCL_PIN 3
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#define I2C_SDA_PORT GPIO_C_NUM
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#define I2C_SDA_PIN 2
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#define I2C_INT_PORT GPIO_D_NUM
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#define I2C_INT_PIN 1
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#define I2C_INT_VECTOR NVIC_INT_GPIO_PORT_D
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name Dual RF interface support
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*
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* Enables support for dual band operation (both CC1200 and 2.4GHz enabled).
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* Unlike the RE-Mote, the Firefly doesn't have a RF switch, so both interfaces
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* should be always enabled if the R10 resistor is mounted. If only using the
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* 2.4GHz RF interface, the resistor can be removed to power-off the CC1200.
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* @{
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*/
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#define REMOTE_DUAL_RF_ENABLED 1
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name CC1200 configuration
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*
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* These values configure the required pins to drive the CC1200
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* None of the following pins are exposed to any connector, kept for internal
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* use only
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* @{
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*/
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#define CC1200_SPI_INSTANCE 0
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#define CC1200_SPI_SCLK_PORT SPI0_CLK_PORT
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#define CC1200_SPI_SCLK_PIN SPI0_CLK_PIN
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#define CC1200_SPI_MOSI_PORT SPI0_TX_PORT
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#define CC1200_SPI_MOSI_PIN SPI0_TX_PIN
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#define CC1200_SPI_MISO_PORT SPI0_RX_PORT
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#define CC1200_SPI_MISO_PIN SPI0_RX_PIN
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#define CC1200_SPI_CSN_PORT GPIO_B_NUM
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#define CC1200_SPI_CSN_PIN 5
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#define CC1200_GDO0_PORT GPIO_B_NUM
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#define CC1200_GDO0_PIN 4
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#define CC1200_GDO2_PORT GPIO_B_NUM
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#define CC1200_GDO2_PIN 0
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#define CC1200_RESET_PORT GPIO_C_NUM
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#define CC1200_RESET_PIN 7
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#define CC1200_GPIOx_VECTOR NVIC_INT_GPIO_PORT_B
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name Device string used on startup
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* @{
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*/
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#define BOARD_STRING "Zolertia Firefly platform"
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/** @} */
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#endif /* BOARD_H_ */
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/**
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* @}
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* @}
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*/
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