periph_conf.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.
*/
/**
* @ingroup boards_openmote-cc2538
* @{
*
* @file
* @brief Peripheral MCU configuration for the OpenMote-cc2538 board
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Sebastian Meiling <s@mlng.net>
*/
#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H
#include "cc2538_gpio.h"
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency, 32MHz */
/** @} */
/**
* @name Timer configuration
*
* General purpose timers (GPT[0-3]) are configured consecutively and in order
* (without gaps) starting from GPT0, i.e. if multiple timers are enabled.
*
* @{
*/
static const timer_conf_t timer_config[] = {
{
.chn = 2,
.cfg = GPTMCFG_16_BIT_TIMER, /* required for XTIMER */
},
{
.chn = 1,
.cfg = GPTMCFG_32_BIT_TIMER,
},
{
.chn = 2,
.cfg = GPTMCFG_16_BIT_TIMER,
},
{
.chn = 1,
.cfg = GPTMCFG_32_BIT_TIMER,
},
};
#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
#define TIMER_IRQ_PRIO 1
/** @} */
/**
* @name ADC configuration
* @{
*/
#define SOC_ADC_ADCCON_REF SOC_ADC_ADCCON_REF_AVDD5
static const adc_conf_t adc_config[] = {
GPIO_PIN(0, 2), /**< GPIO_PA2 = AD4_PIN */
GPIO_PIN(0, 3), /**< GPIO_PA3 = CTS_DI07_PIN */
GPIO_PIN(0, 4), /**< GPIO_PA4 = AD5_PIN */
GPIO_PIN(0, 5), /**< GPIO_PA5 = AD6_PIN */
GPIO_PIN(0, 6), /**< GPIO_PA6 = ON_SLEEP_PIN */
};
#define ADC_NUMOF (sizeof(adc_config) / sizeof(adc_config[0]))
/** @} */
/**
* @name UART configuration
* @{
*/
#define UART_NUMOF (1U)
#define UART_0_EN 1
#define UART_IRQ_PRIO 1
/* UART 0 device configuration */
#define UART_0_DEV UART0
#define UART_0_IRQ UART0_IRQn
#define UART_0_ISR isr_uart0
/* UART 0 pin configuration */
#define UART_0_TX_PIN GPIO_PA1
#define UART_0_RX_PIN GPIO_PA0
/** @} */
/**
* @name I2C configuration
* @{
*/
#define I2C_NUMOF 1
#define I2C_0_EN 1
#define I2C_IRQ_PRIO 1
/* I2C 0 device configuration */
#define I2C_0_DEV 0
#define I2C_0_IRQ I2C_IRQn
#define I2C_0_IRQ_HANDLER isr_i2c
#define I2C_0_SCL_PIN GPIO_PB3 /* OpenBattery */
#define I2C_0_SDA_PIN GPIO_PB4 /* OpenBattery */
static const i2c_conf_t i2c_config[I2C_NUMOF] = {
{
.scl_pin = GPIO_PB3, /* OpenBattery */
.sda_pin = GPIO_PB4, /* OpenBattery */
},
};
/** @} */
/**
* @brief Pre-calculated clock divider values based on a CLOCK_CORECLOCK (32MHz)
*
* Calculated with (CPSR * (SCR + 1)) = (CLOCK_CORECLOCK / bus_freq), where
* 1 < CPSR < 255 and
* 0 < SCR < 256
*/
static const spi_clk_conf_t spi_clk_config[] = {
{ .cpsr = 10, .scr = 31 }, /* 100khz */
{ .cpsr = 2, .scr = 39 }, /* 400khz */
{ .cpsr = 2, .scr = 15 }, /* 1MHz */
{ .cpsr = 2, .scr = 2 }, /* ~4.5MHz */
{ .cpsr = 2, .scr = 1 } /* ~10.7MHz */
};
/**
* @name SPI configuration
* @{
*/
static const spi_conf_t spi_config[] = {
{
.dev = SSI0,
.mosi_pin = GPIO_PA5,
.miso_pin = GPIO_PA4,
.sck_pin = GPIO_PA2,
.cs_pin = GPIO_PA3,
},
};
#define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0]))
/** @} */
/**
* @name Radio peripheral configuration
* @{
*/
#define RADIO_IRQ_PRIO 1
/** @} */
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif /* PERIPH_CONF_H */
/** @} */