#include <stdint.h>
#include "hw_timer.c"

/**
 * @struct oneWire_t
 * Structure that holds all the information about onewire connections, including the 64-bit ROM address for each device and some buffer memory to read out the scratchpad
 */
typedef struct {
  uint8_t address[8];
  uint8_t scratchpad[20];
} oneWire_t;

/**
 * @enum ds18b20_cmds
 * This enum simply gives easy to read names to all the various one-wire commands that the DS18B20 can accept
 */
enum ds18b20_cmds {
  READ_ROM = 0x33,
  MATCH_ROM = 0x55,
  SEARCH_ROM = 0xF0,
  ALARM_SEARCH = 0xEC,
  SKIP_ROM = 0xCC,
  CONVERT_T = 0x44,
  SCRATCH_READ = 0xBE,
  SCRATCH_WRITE = 0x4E,
  SCRATCH_COPY = 0x48,
  E2_RECALL = 0xB8
};


LOCAL void timerISR(void);
LOCAL void ICACHE_FLASH_ATTR reset(oneWire_t *owDev);
LOCAL void ICACHE_FLASH_ATTR transact(oneWire_t *owDev, ds18b20_cmds cmd);