thodg/cgminer/mcp2210.h

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• Hash : 22a855c1
  Author :
  Date : 2014-01-09T16:06:46
  

  Set the mcp2210 transfer setting only when it changes.

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• mcp2210.h

• /*
   * Copyright 2014 Con Kolivas
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the Free
   * Software Foundation; either version 3 of the License, or (at your option)
   * any later version.  See COPYING for more details.
   */
  
  #ifndef MCP2210_H
  #define MCP2210_H
  
  #define MCP2210_BUFFER_LENGTH		64
  #define MCP2210_TRANSFER_MAX		60
  
  #define MCP2210_PIN_GPIO		0x0
  #define MCP2210_PIN_CS			0x1
  #define MCP2210_PIN_DEDICATED		0x2
  
  #define MCP2210_GPIO_PIN_LOW		0
  #define MCP2210_GPIO_PIN_HIGH		1
  
  #define MCP2210_GPIO_OUTPUT		0
  #define MCP2210_GPIO_INPUT		1
  
  #define MCP2210_SPI_CANCEL		0x11
  #define MCP2210_GET_GPIO_SETTING	0x20
  #define MCP2210_SET_GPIO_SETTING	0x21
  #define MCP2210_SET_GPIO_PIN_VAL	0x30
  #define MCP2210_GET_GPIO_PIN_VAL	0x31
  #define MCP2210_SET_GPIO_PIN_DIR	0x32
  #define MCP2210_GET_GPIO_PIN_DIR	0x33
  #define MCP2210_SET_SPI_SETTING		0X40
  #define MCP2210_GET_SPI_SETTING		0X41
  #define MCP2210_SPI_TRANSFER		0x42
  
  #define MCP2210_SPI_TRANSFER_SUCCESS	0x00
  #define MCP2210_SPI_TRANSFER_ERROR_NA	0xF7	// SPI not available due to external owner
  #define MCP2210_SPI_TRANSFER_ERROR_IP	0xF8	// SPI not available due to transfer in progress
  
  struct gpio_pin {
  	uint8_t pin[9];
  };
  
  struct mcp_settings {
  	struct gpio_pin designation;
  	struct gpio_pin value;
  	struct gpio_pin direction;
  	unsigned int bitrate, icsv, acsv, cstdd, ldbtcsd, sdbd, bpst, spimode;
  };
  
  bool mcp2210_send_recv(struct cgpu_info *cgpu, char *buf, enum usb_cmds cmd);
  bool mcp2210_get_gpio_settings(struct cgpu_info *cgpu, struct mcp_settings *mcp);
  bool mcp2210_set_gpio_settings(struct cgpu_info *cgpu, struct mcp_settings *mcp);
  bool mcp2210_get_gpio_pindes(struct cgpu_info *cgpu, struct gpio_pin *gp);
  bool mcp2210_get_gpio_pinvals(struct cgpu_info *cgpu, struct gpio_pin *gp);
  bool mcp2210_get_gpio_pindirs(struct cgpu_info *cgpu, struct gpio_pin *gp);
  bool mcp2210_get_gpio_pin(struct cgpu_info *cgpu, int pin, int *des);
  bool mcp2210_get_gpio_pinval(struct cgpu_info *cgpu, int pin, int *val);
  bool mcp2210_get_gpio_pindir(struct cgpu_info *cgpu, int pin, int *dir);
  bool mcp2210_spi_cancel(struct cgpu_info *cgpu);
  bool
  mcp2210_get_spi_transfer_settings(struct cgpu_info *cgpu, unsigned int *bitrate, unsigned int *icsv,
  				  unsigned int *acsv, unsigned int *cstdd, unsigned int *ldbtcsd,
  				  unsigned int *sdbd, unsigned int *bpst, unsigned int *spimode);
  bool
  mcp2210_set_spi_transfer_settings(struct cgpu_info *cgpu, unsigned int bitrate, unsigned int icsv,
  				  unsigned int acsv, unsigned int cstdd, unsigned int ldbtcsd,
  				  unsigned int sdbd, unsigned int bpst, unsigned int spimode);
  bool mcp2210_spi_transfer(struct cgpu_info *cgpu, struct mcp_settings *mcp,
  			  char *data, unsigned int *length);
  
  #endif /* MCP2210_H */
  

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