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/***************************************************************************
octopus.h - description
-------------------
begin : Fri Apr 1 2007
copyright : (C) 2007 by Embedded Projects
email : sauter@embedded-projects.net
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License *
* version 2.1 as published by the Free Software Foundation; *
* *
***************************************************************************/
#ifndef __liboctopus_h__
#define __liboctopus_h__
#include <usb.h>
#define VID 0x1781
#define PID 0x0c65
/**
\brief Main context structure for all liboctopus functions.
Do not access directly if possible.
*/
struct octopus_context {
// USB specific
/// libusb's usb_dev_handle
struct usb_dev_handle *usb_handle;
/// String representation of last error
char *error_str;
};
/**
\brief list of usb devices created by octopus_usb_find_all()
*/
struct octopus_device_list {
/// pointer to next entry
struct octopus_device_list *next;
/// pointer to libusb's usb_device
struct usb_device *dev;
};
#ifdef __cplusplus
extern "C" {
#endif
int octopus_init(struct octopus_context *octopus);
int octopus_open(struct octopus_context *octopus);
int octopus_open_id(struct octopus_context *octopus, int vendor, int product);
int octopus_open_serial(struct octopus_context *octopus, char * serial);
int octopus_open_dev(struct octopus_context *octopus, struct usb_device *dev);
int octopus_close(struct octopus_context *octopus);
int octopus_message(struct octopus_context *octopus, char *msg,
int msglen, char *answer, int answerlen);
char * octopus_get_hwdesc(struct octopus_context *octopus, char *desc);
/// part: IO
int octopus_io_init(struct octopus_context *octopus, int pin);
int octopus_io_init_port(struct octopus_context *octopus, int port);
int octopus_io_set_port_direction_out(struct octopus_context *octopus,
int port,unsigned char mask);
int octopus_io_set_port_direction_in(struct octopus_context *octopus,
int port, unsigned char mask);
int octopus_io_set_port_direction_tri(struct octopus_context *octopus,
int port, unsigned char mask);
int octopus_io_set_pin_direction_out(struct octopus_context *octopus, int pin);
int octopus_io_set_pin_direction_in(struct octopus_context *octopus, int pin);
//int octopus_io_set_pin_direction_in_pullup(struct octopus_context *octopus, int pin);
int octopus_io_set_pin_direction_tri(struct octopus_context *octopus, int pin);
unsigned char octopus_io_get_port(struct octopus_context *octopus, int port);
int octopus_io_set_port(struct octopus_context *octopus, int port, unsigned char value);
int octopus_io_set_pin(struct octopus_context *octopus, int pin, int value); //buffered
int octopus_io_get_pin(struct octopus_context *octopus, int pin);
/// part: adc
int octopus_adc_init(struct octopus_context *octopus, int pin);
int octopus_adc_get(struct octopus_context *octopus, int pin);
int octopus_adc_ref(struct octopus_context *octopus, int ref);
// 1= extern AREF, 2 = AVCC as reference, 3=intern voltage
/// part: I2C
int octopus_i2c_init(struct octopus_context *octopus);
int octopus_i2c_deinit(struct octopus_context *octopus);
int octopus_i2c_set_bitrate(struct octopus_context *octopus, int bitrate);
int octopus_i2c_send_byte(struct octopus_context *octopus, char data);
int octopus_i2c_send_bytes(struct octopus_context *octopus, char *buf, int len);
unsigned char octopus_i2c_receive_byte(struct octopus_context *octopus, int address,int timeout);
int octopus_i2c_receive_bytes(struct octopus_context *octopus, int address,char *buf, int len, int timeout);
int octopus_i2c_send_start(struct octopus_context *octopus);
int octopus_i2c_send_stop(struct octopus_context *octopus);
/// part: SPI
int octopus_spi_init(struct octopus_context *octopus);
int octopus_spi_deinit(struct octopus_context *octopus);
int octopus_spi_speed(struct octopus_context *octopus, int speed);
int octopus_spi_send(struct octopus_context *octopus, unsigned char * buf, int length);
int octopus_spi_recv(struct octopus_context *octopus, unsigned char * buf, int length);
int octopus_spi_send_and_recv(struct octopus_context *octopus, unsigned char * buf, int length);
/// part: Flash 93c46
int octopus_93c46_init(struct octopus_context *octopus);
int octopus_93c46_deinit(struct octopus_context *octopus);
int octopus_93c46_read(struct octopus_context *octopus, unsigned char address, int length, unsigned char * buf);
int octopus_93c46_write(struct octopus_context *octopus, unsigned char address, int length, unsigned char * buf);
/// part: PWM
int octopus_pwm_init(struct octopus_context *octopus, int pin);
int octopus_pwm_deinit(struct octopus_context *octopus, int pin);
int octopus_pwm_speed(struct octopus_context *octopus, int pin, int speed);
int octopus_pwm_value(struct octopus_context *octopus, int pin, unsigned char value);
#ifdef __cplusplus
}
#endif
#endif /* __liboctopus_h__ */
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