periph_conf.h
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/*
* Copyright (C) 2015 Hamburg University of Applied Sciences
*
* 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_limifrog-v1
* @{
*
* @file
* @brief Peripheral MCU configuration for the limifrog-v1 board
*
* @author Katja Kirstein <katja.kirstein@haw-hamburg.de>
*/
#ifndef PERIPH_CONF_H_
#define PERIPH_CONF_H_
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
**/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* bus clocks for simplified peripheral initialization, UPDATE MANUALLY! */
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB2 (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1 (CLOCK_CORECLOCK / 1)
/** @} */
/**
* @brief DAC configuration
* @{
*/
#define DAC_NUMOF (0)
/** @} */
/**
* @brief Timer configuration
* @{
*/
static const timer_conf_t timer_config[] = {
/* device, RCC bit, IRQ bit */
{TIM5, 3, TIM5_IRQn},
};
/* interrupt routines */
#define TIMER_0_ISR (isr_tim5)
/* number of defined timers */
#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
/** @} */
/**
* @brief UART configuration
* @{
*/
#define UART_NUMOF (2U)
#define UART_0_EN 1
#define UART_1_EN 1
#define UART_IRQ_PRIO 1
/* UART 0 device configuration */
#define UART_0_DEV USART3
#define UART_0_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_USART3EN))
#define UART_0_CLK (CLOCK_CORECLOCK)
#define UART_0_IRQ USART3_IRQn
#define UART_0_ISR isr_usart3
#define UART_0_BUS_FREQ 32000000
/* UART 0 pin configuration */
#define UART_0_RX_PIN GPIO_PIN(PORT_C, 11)
#define UART_0_TX_PIN GPIO_PIN(PORT_C, 10)
#define UART_0_AF GPIO_AF7
/* UART 1 device configuration */
#define UART_1_DEV USART1 /* Panasonic PAN1740 BLE module */
#define UART_1_CLKEN() (periph_clk_en(APB2, RCC_APB2ENR_USART1EN))
#define UART_1_CLK (CLOCK_CORECLOCK)
#define UART_1_IRQ USART1_IRQn
#define UART_1_ISR isr_usart1
#define UART_0_BUS_FREQ 32000000
/* UART 1 pin configuration */
#define UART_1_RX_PIN GPIO_PIN(PORT_A, 10)
#define UART_1_TX_PIN GPIO_PIN(PORT_A, 9)
#define UART_1_AF GPIO_AF7
/** @} */
/**
* @brief SPI configuration
* @{
*/
#define SPI_NUMOF (2U)
#define SPI_0_EN 1
#define SPI_1_EN 1
/* SPI 0 device configuration */
#define SPI_0_DEV SPI1 /* Densitron DD-160128FC-1a OLED display; external pins */
#define SPI_0_CLKEN() (periph_clk_en(APB2, RCC_APB2ENR_SPI1EN))
#define SPI_0_CLKDIS() (periph_clk_dis(APB2, RCC_APB2ENR_SPI1EN))
#define SPI_0_IRQ SPI1_IRQn
#define SPI_0_ISR isr_spi1
/* SPI 0 pin configuration */
#define SPI_0_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
#define SPI_0_PORT GPIOA
#define SPI_0_PIN_SCK 5
#define SPI_0_PIN_MOSI 7
#define SPI_0_PIN_MISO 6
#define SPI_0_PIN_AF 5
/* SPI 1 device configuration */
#define SPI_1_DEV SPI3 /* Adesto AT45DB641E data flash */
#define SPI_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_SPI3EN))
#define SPI_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_SPI3EN))
#define SPI_1_IRQ SPI3_IRQn
#define SPI_1_ISR isr_spi3
/* SPI 1 pin configuration */
#define SPI_1_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOBEN))
#define SPI_1_PORT GPIOB
#define SPI_1_PIN_SCK 3
#define SPI_1_PIN_MOSI 5
#define SPI_1_PIN_MISO 4
#define SPI_1_PIN_AF 6
/** @} */
/**
* @name I2C configuration
* @{
*/
#define I2C_0_EN 1
#define I2C_1_EN 1
#define I2C_NUMOF (I2C_0_EN + I2C_1_EN)
#define I2C_IRQ_PRIO 1
#define I2C_APBCLK (36000000U)
/* I2C 0 device configuration */
#define I2C_0_EVT_ISR isr_i2c1_ev
#define I2C_0_ERR_ISR isr_i2c1_er
/* I2C 1 device configuration */
#define I2C_1_EVT_ISR isr_i2c2_ev
#define I2C_1_ERR_ISR isr_i2c2_er
static const i2c_conf_t i2c_config[] = {
/* device, port, scl-, sda-pin-number, I2C-AF, ER-IRQn, EV-IRQn */
{I2C1, GPIO_PIN(PORT_B, 8), GPIO_PIN(PORT_B, 9),
GPIO_OD_PU, GPIO_AF4, I2C1_ER_IRQn, I2C1_EV_IRQn},
{I2C2, GPIO_PIN(PORT_B, 10), GPIO_PIN(PORT_B, 11),
GPIO_OD_PU, GPIO_AF4, I2C2_ER_IRQn, I2C2_EV_IRQn},
};
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CONF_H_ */
/** @} */