Tag
Hash :
114f9fd2
Author :
Date :
2014-06-03T18:47:29
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
#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 */