gazell/common/gzp_host.c File Reference

Implementation of Gazell Pairing Library (gzp), Host functions. More...

#include "gzp.h"
#include "gzll.h"
#include "string.h"
#include "stdint.h"
#include "stdbool.h"
#include "hal_aes.h"
#include "hal_flash.h"
#include "memdefs.h"

Go to the source code of this file.

Enumerations
enum	gzp_id_req_stat_t { GZP_ID_REQ_IDLE, GZP_ID_REQ_PENDING, GZP_ID_REQ_PENDING_AND_GRANTED, GZP_ID_REQ_PENDING_AND_REJECTED }
Functions
void	gzp_host_chip_id_read (uint8_t *dst, uint8_t n)
void	gzp_init ()
void	gzp_pairing_enable (_Bool enable)
void	gzp_host_execute ()
_Bool	gzp_address_exchanged ()
_Bool	gzp_crypt_user_data_received ()
_Bool	gzp_crypt_user_data_read (uint8_t *dst, uint8_t *length)
_Bool	gzp_id_req_received ()
void	gzp_id_req_reject ()
void	gzp_id_req_grant ()
void	gzp_id_req_cancel ()
_Bool	gzp_get_host_id (uint8_t *dst)
Variables
__no_init uint8_t	gzp_dyn_key [(16-3)]

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Detailed Description

Implementation of Gazell Pairing Library (gzp), Host functions.

Definition in file gzp_host.c.

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Enumeration Type Documentation

enum gzp_id_req_stat_t

Definition of internal states.

Enumerator:

GZP_ID_REQ_IDLE
GZP_ID_REQ_PENDING
GZP_ID_REQ_PENDING_AND_GRANTED
GZP_ID_REQ_PENDING_AND_REJECTED

Definition at line 37 of file gzp_host.c.

{
  GZP_ID_REQ_IDLE,
  GZP_ID_REQ_PENDING,
  GZP_ID_REQ_PENDING_AND_GRANTED,
  GZP_ID_REQ_PENDING_AND_REJECTED,
} gzp_id_req_stat_t;

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Function Documentation

void gzp_host_chip_id_read	(	uint8_t *	dst,
		uint8_t	n
	)

Function for reading unique chip ID.

Definition at line 28 of file gzp_host_le1.c.

{
  uint8_t i;
  
  if(hal_flash_byte_read(GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 1) == 0xff)
  {
    hal_flash_byte_write((GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 1), 0x00);
    hal_rng_power_up(true);
    for(i = 0; i < n; i++) 
    {
      while(!hal_rng_data_ready())
      ;
      hal_flash_byte_write((GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 2 + i),  hal_rng_read());
    }
    hal_rng_power_up(false);
  }
  
  for(i = 0; i < n; i++) 
  {
    *(dst++) = hal_flash_byte_read((GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 2 + i));
  }
}

_Bool gzp_get_host_id

(

uint8_t *

dst )

Function reading current "Host ID". On Host, returns false if host ID not yet generated.

Definition at line 388 of file gzp_host.c.

{
  if(hal_flash_byte_read(GZP_PARAMS_STORAGE_ADR) == 0)
  {
    hal_flash_bytes_read(GZP_PARAMS_STORAGE_ADR + 1, dst, GZP_HOST_ID_LENGTH);
    return true;
  }
  else
  {
    return false;
  }
}

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Variable Documentation

__no_init uint8_t gzp_dyn_key[(16-3)]

Definition at line 26 of file gzp_host_le1.c.