periph_cpu.h

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/*
 * Copyright (C) 2015 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.
 */
 
#ifndef PERIPH_CPU_H
#define PERIPH_CPU_H
 
#include <stdbool.h>
#include "cpu.h"
#include "msp430_regs.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define HAVE_GPIO_T
typedef uint16_t gpio_t;
#define GPIO_UNDEF          (0xffff)
 
#define GPIO_PIN(x, y)      ((gpio_t)(((x & 0xff) << 8) | (1 << (y & 0x07))))
 
#define SPI_HWCS(x)         (SPI_CS_UNDEF)
 
#ifndef DOXYGEN
 
#define HAVE_GPIO_FLANK_T
typedef enum {
    GPIO_FALLING = 0xff,        
    GPIO_RISING  = 0x00,        
    GPIO_BOTH    = 0xab         
} gpio_flank_t;
#define HAVE_SPI_MODE_T
#ifndef SPI_USE_USCI
typedef enum {
    SPI_MODE_0 = (USART_TCTL_CKPH),                         
    SPI_MODE_1 = 0,                                         
    SPI_MODE_2 = (USART_TCTL_CKPL | USART_TCTL_CKPH),       
    SPI_MODE_3 = (USART_TCTL_CKPL)                          
} spi_mode_t;
#else
typedef enum {
    SPI_MODE_0 = (USCI_SPI_CTL0_CKPH),                      
    SPI_MODE_1 = 0,                                         
    SPI_MODE_2 = (USCI_SPI_CTL0_CKPL | USCI_SPI_CTL0_CKPH), 
    SPI_MODE_3 = (USCI_SPI_CTL0_CKPL)                       
} spi_mode_t;
#endif
 
#define HAVE_SPI_CLK_T
typedef enum {
    SPI_CLK_100KHZ = 100000,    
    SPI_CLK_400KHZ = 400000,    
    SPI_CLK_1MHZ   = 1000000,   
    SPI_CLK_5MHZ   = 5000000,   
    SPI_CLK_10MHZ  = 0,         
} spi_clk_t;
#endif /* ndef DOXYGEN */
 
enum {
    P1 = 1,                 
    P2 = 2,                 
    P3 = 3,                 
    P4 = 4,                 
    P5 = 5,                 
    P6 = 6,                 
};
 
void gpio_periph_mode(gpio_t pin, bool enable);
 
#define PERIPH_SPI_NEEDS_INIT_CS
#define PERIPH_SPI_NEEDS_TRANSFER_BYTE
#define PERIPH_SPI_NEEDS_TRANSFER_REG
#define PERIPH_SPI_NEEDS_TRANSFER_REGS
 
#ifdef __cplusplus
}
#endif
 
#endif /* PERIPH_CPU_H */