thodg/cgminer/A1-board-selector.h
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Hash : c1657499
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Date : 2014-04-22T11:26:18
A1: modularize board selector / add initial CCR support
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A1-board-selector.h
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#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 { bool (*select)(uint8_t board); void (*release)(void); void (*exit)(void); bool (*reset)(void); bool (*reset_all)(void); uint8_t (*get_temp)(void); }; 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 const struct board_selector dummy_board_selector = { .select = dummy_select, .release = dummy_void, .exit = dummy_void, .reset = dummy_bool, .reset_all = dummy_bool, .get_temp = dummy_u8, }; /* 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); /* common i2c context */ struct i2c_ctx { uint8_t addr; int file; }; /* the default I2C bus on RPi */ #define I2C_BUS "/dev/i2c-1" extern bool i2c_slave_write(struct i2c_ctx *ctx, uint8_t reg, uint8_t val); extern bool i2c_slave_read(struct i2c_ctx *ctx, uint8_t reg, uint8_t *val); extern bool i2c_slave_open(struct i2c_ctx *ctx, char *i2c_bus); extern void i2c_slave_close(struct i2c_ctx *ctx); #endif /* A1_BOARD_SELECTOR_H */