thodg/cgminer/A1-board-selector.h

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• Hash : 114f9fd2
  Author :
  Date : 2014-06-03T18:47:29
  

  A1: add support for updated product variants, small fixes
  
  This patch includes:
  * generalize I2C slave access
  * adapt CoinCraft Rig board selector to new design
  * add support for single chip chains
  * adapt verbosity levels
  * check for chip clocks below 100MHz
  

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• A1-board-selector.h

• #ifndef A1_BOARD_SELECTOR_H
  #define A1_BOARD_SELECTOR_H
  
  #include <stdbool.h>
  #include <stdint.h>
  
  #define RESET_LOW_TIME_MS 200
  #define RESET_HI_TIME_MS  100
  
  struct board_selector {
  	/* destructor */
  	void (*exit)(void);
  	/* select board and chip chain for given chain index*/
  	bool (*select)(uint8_t chain);
  	/* release access to selected chain */
  	void (*release)(void);
  	/* reset currently selected chain */
  	bool (*reset)(void);
  	/* reset all chains on board */
  	bool (*reset_all)(void);
  	/* get temperature for selected chain at given sensor */
  	uint8_t (*get_temp)(uint8_t sensor);
  	/* prepare board (voltage) for given sys_clock */
  	bool (*prepare_clock)(int clock_khz);
  };
  
  static bool dummy_select(uint8_t b) { (void)b; return true; }
  static void dummy_void(void) { };
  static bool dummy_bool(void) { return true; }
  //static uint8_t dummy_u8(void) { return 0; }
  static uint8_t dummy_get_temp(uint8_t s) { (void)s; return 0; }
  static bool dummy_prepare_clock(int c) { (void)c; return true; }
  
  static const struct board_selector dummy_board_selector = {
  	.exit = dummy_void,
  	.select = dummy_select,
  	.release = dummy_void,
  	.reset = dummy_bool,
  	.reset_all = dummy_bool,
  	.get_temp = dummy_get_temp,
  	.prepare_clock = dummy_prepare_clock,
  };
  
  /* CoinCraft Desk and Rig board selector constructors */
  #define CCD_MAX_CHAINS	5
  #define CCR_MAX_CHAINS	16
  extern struct board_selector *ccd_board_selector_init(void);
  extern struct board_selector *ccr_board_selector_init(void);
  
  #endif /* A1_BOARD_SELECTOR_H */
  

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