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added spark core board
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Christian Mehlis committed Nov 2, 2014
1 parent d28c588 commit f3b1753
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Showing 12 changed files with 769 additions and 5 deletions.
3 changes: 3 additions & 0 deletions boards/spark-core/Makefile
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MODULE =$(BOARD)_base

include $(RIOTBASE)/Makefile.base
43 changes: 43 additions & 0 deletions boards/spark-core/Makefile.include
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## the cpu to build for
export CPU = stm32f1
export CPU_MODEL = stm32f103cb

# set the default port
export PORT ?= /dev/ttyUSB0

export BINFILE = $(patsubst %.elf,%.bin,$(ELFFILE))

# define tools used for building the project
export PREFIX = arm-none-eabi-
export CC = $(PREFIX)gcc
export AR = $(PREFIX)ar
export AS = $(PREFIX)as
export LINK = $(PREFIX)gcc
export SIZE = $(PREFIX)size
export OBJCOPY = $(PREFIX)objcopy
export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm
export FLASHER = $(OBJCOPY) -O binary $(ELFFILE) $(BINFILE) ; dfu-util -d 1d50:607f -a 0 -s 0x08005000:leave -D "$(BINFILE)"
export DEBUGGER = # spark core has no debugger
export RESET = # dfu-util has no support for resetting the device

# define build specific options
export CPU_USAGE = -mcpu=cortex-m3
export FPU_USAGE =
export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
export LINKFLAGS += -ggdb -g3 -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles
# $(LINKERSCRIPT) is specified in cpu/Makefile.include
export LINKFLAGS += -T$(LINKERSCRIPT)
export OFLAGS = -O ihex
export FFLAGS = $(HEXFILE)
export DEBUGGER_FLAGS = $(RIOTBOARD)/$(BOARD)/dist/gdb.conf $(ELFFILE)
export TERMFLAGS = -p $(PORT)

# use the nano-specs of the NewLib when available
ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
export LINKFLAGS += -specs=nano.specs -lc -lnosys
endif

# export board specific includes to the global includes-listing
export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include/ -I$(RIOTBASE)/drivers/at86rf231/include -I$(RIOTBASE)/sys/net/include
66 changes: 66 additions & 0 deletions boards/spark-core/board.c
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/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/

/**
* @ingroup board_spark-core
* @{
*
* @file board.c
* @brief Board specific implementations for the spark-core board
*
* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/

#include "board.h"
#include "cpu.h"

static void leds_init(void);

void board_init(void)
{
/* initialize the CPU */
cpu_init();
/* initialize the boards LEDs */
leds_init();
/* disable systick interrupt, set by the spark bootloader */
SysTick->CTRL = 0;
/* signal to spark bootloader: do not enable IWDG! set Stop Mode Flag! */
BKP->DR9 = 0xAFFF;
/* configure the RIOT vector table location to internal flash + spark bootloader offset */
SCB->VTOR = LOCATION_VTABLE;
}

/**
* @brief Initialize the boards on-board LEDs
*
* The LEDs initialization is hard-coded in this function. As the LED is soldered
* onto the board it is fixed to its CPU pins.
*
*/
static void leds_init(void)
{
/* enable clock for port A */
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;

/* reset pins */
LED_PORT->CRH &= ~(0xf << (4*(LED_RED_PIN - 8)) |
0xf << (4*(LED_GREEN_PIN - 8)) |
0xf << (4*(LED_BLUE_PIN - 8)) |
0xf << (4*(LED_WHITE_PIN - 8)));

/* set pins to out */
LED_PORT->CRH |= (0x3 << (4*(LED_RED_PIN - 8)) |
0x3 << (4*(LED_GREEN_PIN - 8)) |
0x3 << (4*(LED_BLUE_PIN - 8)) |
0x3 << (4*(LED_WHITE_PIN - 8)));

LED_PORT->BSRR = (1 << LED_RED_PIN) | (1 << LED_GREEN_PIN) | (1 << LED_BLUE_PIN) | (1 << LED_WHITE_PIN);
}
124 changes: 124 additions & 0 deletions boards/spark-core/include/board.h
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/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/

/**
* @defgroup board_spark-core Spark-Core
* @ingroup boards
* @brief Board specific files for the spark-core board.
* @{
*
* @file
* @brief Board specific definitions for the spark-core board.
*
* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
*/

#ifndef BOARD_H_
#define BOARD_H_

#include <stdint.h>

#include "cpu.h"
#include "periph_conf.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
* @name Define the nominal CPU core clock in this board
*/
#define F_CPU CLOCK_CORECLOCK

/**
* @name Define the location of the RIOT image in flash
*/
#define LOCATION_VTABLE (0x08005000)

/**
* @name Define the UART to be used as stdio and its baudrate
* @{
*/
#define STDIO UART_0
#define STDIO_BAUDRATE (115200)
#define STDIO_RX_BUFSIZE (64U)
/** @} */

/**
* @name Assign the hardware timer
*/
#define HW_TIMER TIMER_0

/**
* @name LED pin definitions
* @{
*/
#define LED_PORT (GPIOA)
#define LED_RED_PIN (9)
#define LED_GREEN_PIN (10)
#define LED_BLUE_PIN (8)
#define LED_WHITE_PIN (13)
/** @} */

/**
* @name Macros for controlling the on-board LEDs.
* @{
*/
#define LED_RED_ON (LED_PORT->BRR = (1<<LED_RED_PIN))
#define LED_RED_OFF (LED_PORT->BSRR = (1<<LED_RED_PIN))
#define LED_RED_TOGGLE (LED_PORT->ODR ^= (1<<LED_RED_PIN))
#define LED_GREEN_ON (LED_PORT->BRR = (1<<LED_GREEN_PIN))
#define LED_GREEN_OFF (LED_PORT->BSRR = (1<<LED_GREEN_PIN))
#define LED_GREEN_TOGGLE (LED_PORT->ODR ^= (1<<LED_GREEN_PIN))
#define LED_BLUE_ON (LED_PORT->BRR = (1<<LED_BLUE_PIN))
#define LED_BLUE_OFF (LED_PORT->BSRR = (1<<LED_BLUE_PIN))
#define LED_BLUE_TOGGLE (LED_PORT->ODR ^= (1<<LED_BLUE_PIN))
#define LED_WHITE_ON (LED_PORT->BRR = (1<<LED_WHITE_PIN))
#define LED_WHITE_OFF (LED_PORT->BSRR = (1<<LED_WHITE_PIN))
#define LED_WHITE_TOGGLE (LED_PORT->ODR ^= (1<<LED_WHITE_PIN))
/** @} */

/**
* @name User button configuration
*/
#define BUTTON1 GPIO_0

/**
* @name CC3000 pin configuration
* @{
*/
#define CC3000_SPI SPI_0
#define CC3000_CS GPIO_1
#define CC3000_EN GPIO_2
#define CC3000_INT GPIO_3
/** @} */

/**
* @name EXTFLASH pin configuration
* @{
*/
#define EXTFLASH_SPI SPI_0
#define EXTFLASH GPIO_4
/** @} */

/**
* Define the type for the radio packet length for the transceiver
*/
typedef uint8_t radio_packet_length_t;

/**
* @brief Initialize board specific hardware, including clock, LEDs and std-IO
*/
void board_init(void);

#ifdef __cplusplus
} /* end extern "C" */
#endif

#endif /* BOARD_H_ */
/** @} */

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