L14-Click 1.0
STM32WLE5CC LoRaWAN Sensor Platform
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nfc.c File Reference
#include "nfc.h"
#include "nfc_st25dv16kc.h"
#include "mysensors.h"
#include "mysensors_base.h"
#include "main.h"
#include <string.h>
Include dependency graph for nfc.c:

Go to the source code of this file.

Macros

#define NFC_ADDR   0
#define NFC_INIT   nfc_st25dv16kc_Init
#define NFC_IS   nfc_st25dv16kc_Is
#define NFC_READ   nfc_st25dv16kc_ReadEEPROM
#define NFC_ON   nfc_st25dv16kc_On
#define NFC_OFF   nfc_st25dv16kc_Off
#define NFC_WRITE   nfc_st25dv16kc_WriteEEPROM
#define NFC_MAILBOX   nfc_st25dv16kc_ProcessMailBox

Functions

static HAL_StatusTypeDef nfc_ReadSystemParamsToBck (I2C_HandleTypeDef *hi2c)
 reading data from NFC to _systemParamsBck
HAL_StatusTypeDef nfc_Init (I2C_HandleTypeDef *hi2c)
 NFC initialization and read NFC tag systemParams from addr 0. If data there are not valid, the default data is written.
HAL_StatusTypeDef nfc_WriteSystemParams (I2C_HandleTypeDef *hi2c)
 Write system params to NFC.
HAL_StatusTypeDef nfc_FactoryReset (I2C_HandleTypeDef *hi2c)
 reset NFC data to factory - default state
HAL_StatusTypeDef nfc_ReadSystemParams (I2C_HandleTypeDef *hi2c)
 reading _systemParams from NFC - all data will be rewrite in _systemParams
HAL_StatusTypeDef nfc_ProcessMailBox (I2C_HandleTypeDef *hi2c)
 processing if NFC INT is fired

Variables

static systemParams_t _systemParamsBck = {}

Macro Definition Documentation

◆ NFC_ADDR

#define NFC_ADDR   0

Definition at line 15 of file nfc.c.

Referenced by nfc_FactoryReset(), nfc_ReadSystemParamsToBck(), and nfc_WriteSystemParams().

◆ NFC_INIT

#define NFC_INIT   nfc_st25dv16kc_Init

Definition at line 30 of file nfc.c.

Referenced by nfc_Init().

◆ NFC_IS

#define NFC_IS   nfc_st25dv16kc_Is

Definition at line 31 of file nfc.c.

Referenced by nfc_FactoryReset(), nfc_ReadSystemParams(), nfc_ReadSystemParamsToBck(), and nfc_WriteSystemParams().

◆ NFC_MAILBOX

#define NFC_MAILBOX   nfc_st25dv16kc_ProcessMailBox

Definition at line 36 of file nfc.c.

Referenced by nfc_ProcessMailBox().

◆ NFC_OFF

#define NFC_OFF   nfc_st25dv16kc_Off

Definition at line 34 of file nfc.c.

Referenced by nfc_FactoryReset(), and nfc_WriteSystemParams().

◆ NFC_ON

#define NFC_ON   nfc_st25dv16kc_On

Definition at line 33 of file nfc.c.

Referenced by nfc_FactoryReset(), and nfc_WriteSystemParams().

◆ NFC_READ

#define NFC_READ   nfc_st25dv16kc_ReadEEPROM

Definition at line 32 of file nfc.c.

Referenced by nfc_ReadSystemParamsToBck().

◆ NFC_WRITE

#define NFC_WRITE   nfc_st25dv16kc_WriteEEPROM

Definition at line 35 of file nfc.c.

Referenced by nfc_FactoryReset(), and nfc_WriteSystemParams().

Function Documentation

◆ nfc_FactoryReset()

HAL_StatusTypeDef nfc_FactoryReset ( I2C_HandleTypeDef * hi2c)

reset NFC data to factory - default state

Return values
status

Definition at line 121 of file nfc.c.

References _tryInit, i2c_OnOff(), NFC_ADDR, NFC_IS, NFC_OFF, NFC_ON, and NFC_WRITE.

Referenced by checkResetRestart().

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◆ nfc_Init()

HAL_StatusTypeDef nfc_Init ( I2C_HandleTypeDef * hi2c)

NFC initialization and read NFC tag systemParams from addr 0. If data there are not valid, the default data is written.

Return values
statusHAL_OK, HAL_ERROR

Definition at line 71 of file nfc.c.

References _systemParams, _systemParamsBck, NFC_INIT, nfc_ReadSystemParamsToBck(), nfc_WriteSystemParams(), systemParams_Correction(), and writeLog().

Referenced by main().

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◆ nfc_ProcessMailBox()

HAL_StatusTypeDef nfc_ProcessMailBox ( I2C_HandleTypeDef * hi2c)

processing if NFC INT is fired

Definition at line 159 of file nfc.c.

References NFC_MAILBOX.

◆ nfc_ReadSystemParams()

HAL_StatusTypeDef nfc_ReadSystemParams ( I2C_HandleTypeDef * hi2c)

reading _systemParams from NFC - all data will be rewrite in _systemParams

Return values
status

Definition at line 140 of file nfc.c.

References _systemParams, _systemParamsBck, _tryInit, i2c_OnOff(), NFC_IS, and nfc_ReadSystemParamsToBck().

Referenced by checkResetRestart(), and main().

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◆ nfc_ReadSystemParamsToBck()

HAL_StatusTypeDef nfc_ReadSystemParamsToBck ( I2C_HandleTypeDef * hi2c)
static

reading data from NFC to _systemParamsBck

Return values
HAL_OK- the block has beep OK, HAL_ERROR NFC chip read error, HAL_TIMEOUT - CRC non valid, HAL_BUSY - the sign/version is not valid

Definition at line 44 of file nfc.c.

References _systemParamsBck, _tryInit, NFC_ADDR, NFC_IS, NFC_READ, SYSTEMPARAMS_APPVER01, systemParams_CheckCRC(), and SYSTEMPARAMS_SIGN.

Referenced by nfc_Init(), and nfc_ReadSystemParams().

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◆ nfc_WriteSystemParams()

HAL_StatusTypeDef nfc_WriteSystemParams ( I2C_HandleTypeDef * hi2c)

Write system params to NFC.

Return values
status

Definition at line 101 of file nfc.c.

References _systemParams, _tryInit, i2c_OnOff(), NFC_ADDR, NFC_IS, NFC_OFF, NFC_ON, NFC_WRITE, and systemParams_SetCRCSystemParams().

Referenced by checkResetRestart(), main(), and nfc_Init().

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Variable Documentation

◆ _systemParamsBck

systemParams_t _systemParamsBck = {}
static

Definition at line 17 of file nfc.c.

Referenced by nfc_Init(), nfc_ReadSystemParams(), and nfc_ReadSystemParamsToBck().