Diego Ostuni
Fork of the GitHub version
Diff: x_nucleo_nfc04a1.cpp
- Revision:
- 0:cf62b690f57c
diff -r 000000000000 -r cf62b690f57c x_nucleo_nfc04a1.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/x_nucleo_nfc04a1.cpp Thu Nov 14 10:30:13 2019 +0000
@@ -0,0 +1,362 @@
+/**
+ ******************************************************************************
+ * @file x_nucleo_nfc04a1.c
+ * @author MMY Application Team
+ * @version $Revision: 3351 $
+ * @date $Date: 2017-01-25 17:28:08 +0100 (Wed, 25 Jan 2017) $
+ * @brief This file provides nfc04a1 specific functions
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2017 STMicroelectronics</center></h2>
+ *
+ * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/myliberty
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+ * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "x_nucleo_nfc04a1.h"
+//#include "x_nucleo_nfc04a1_nfctag.h"
+//#include "mbed.h"
+//#include "PinNames.h"
+#include "time.h"
+
+/*
+#if define
+define
+#endif
+*/
+
+
+/*Stream *_serial = NULL;
+#if defined(ARDUINO_SAM_DUE)
+TwoWire *_wire = &Wire1;
+#else
+TwoWire *_wire = &Wire;
+#endif
+* @addtogroup BSP
+ * @{
+ */
+
+/** @defgroup X_NUCLEO_NFC04A1
+ * @{
+ */
+/* Private typedef -----------------------------------------------------------*/
+/* Private defines -----------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Global variables ----------------------------------------------------------*/
+/** @defgroup X_NUCLEO_NFC04A1_Global_Variables
+ * @{
+ */
+//uint8_t NFC04A1_Led[3] = { 1 , 2 , 3 };
+
+/**
+ * @}
+ */
+
+/* Private function prototypes -----------------------------------------------*/
+
+NFCTAG_StatusTypeDef ST25DV_IO_Init( I2C* mi2cChannel, DigitalOut *mLPD );
+NFCTAG_StatusTypeDef ST25DV_IO_MemWrite( const uint8_t * const pData, const uint8_t DevAddr, const uint16_t TarAddr, const uint16_t Size, I2C* mi2cChannel );
+NFCTAG_StatusTypeDef ST25DV_IO_MemRead( uint8_t * const pData, const uint8_t DevAddr, const uint16_t TarAddr, const uint16_t Size, I2C* mi2cChannel );
+NFCTAG_StatusTypeDef ST25DV_IO_Read( uint8_t * const pData, const uint8_t DevAddr, const uint16_t Size, I2C* mi2cChannel );
+NFCTAG_StatusTypeDef ST25DV_IO_IsDeviceReady( const uint8_t DevAddr, const uint32_t Trials, I2C* mi2cChannel);
+NFCTAG_StatusTypeDef NFCTAG_ConvertStatus(uint8_t ret);
+
+
+/* Functions Definition ------------------------------------------------------*/
+/** @defgroup X_NUCLEO_NFC04A1_Public_Functions
+ * @{
+ */
+
+
+
+/**
+ * @brief Toggles the selected LED
+ * @param led : Specifies the Led to be toggled
+ * @retval None
+ */
+void NFC04A1_LED_Toggle( DigitalOut* led)
+{
+ *led = !(*led);
+}
+
+
+
+/**
+ * @brief This function get the GPIO value through GPIO
+ * @param None
+ * @retval HAL GPIO pin status
+ */
+DigitalOut NFC04A1_GPO_ReadPin( DigitalOut *mMISO )
+{
+ return *mMISO;
+}
+
+/**
+ * @brief This function initialize the GPIO to manage the NFCTAG LPD pin
+ * @param None
+ * @retval None
+ */
+
+void NFC04A1_LPD_Init( DigitalOut *mLPD )
+{
+ *mLPD = 0;
+}
+
+/**
+ * @brief This function get the GPIO value through GPIO
+ * @param None
+ * @retval HAL GPIO pin status
+ */
+uint8_t NFC04A1_LPD_ReadPin( DigitalOut *mLPD )
+{
+ return mLPD -> read();
+}
+
+/**
+ * @brief This function get the GPIO value through GPIO
+ * @param None
+ * @retval HAL GPIO pin status
+ */
+void NFC04A1_LPD_WritePin( uint8_t LpdPinState, DigitalOut *mLPD )
+{
+ mLPD -> write( LpdPinState );
+}
+
+/**
+ * @brief This function select the i2cChannel1 speed to communicate with NFCTAG
+ * @param i2cChannelspeedchoice Number from 0 to 5 to select i2cChannel speed
+ * @param mi2cChannel : I2C channel
+ * @retval HAL GPIO pin status
+ */
+void NFC04A1_Selecti2cSpeed( uint8_t i2cspeedchoice, I2C* mi2cChannel)
+{
+
+ switch( i2cspeedchoice )
+ {
+ case 0:
+
+ mi2cChannel -> frequency(10000);
+ break;
+
+ case 1:
+
+ mi2cChannel -> frequency(100000);
+ break;
+
+ case 2:
+
+ mi2cChannel -> frequency(200000);
+ break;
+
+ case 3:
+
+ mi2cChannel -> frequency(400000);
+ break;
+
+ case 4:
+
+ mi2cChannel -> frequency(800000);
+ break;
+
+ case 5:
+
+ mi2cChannel -> frequency(1000000);
+ break;
+
+ default:
+
+ mi2cChannel -> frequency(1000000);
+ break;
+ }
+
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup X_NUCLEO_NFC04A1_Private_Functions
+ * @{
+ */
+/******************************** LINK EEPROM COMPONENT *****************************/
+
+/**
+ * @brief Initializes peripherals used by the i2cChannel NFCTAG driver
+ * @param mi2cChannel : I2C channel
+ * @param mLPD
+ * @retval NFCTAG enum status
+ */
+NFCTAG_StatusTypeDef ST25DV_IO_Init( I2C* mi2cChannel, DigitalOut *mLPD )
+{
+
+
+ NFC04A1_LPD_Init( mLPD );
+
+ NFC04A1_Selecti2cSpeed(3, mi2cChannel);
+
+ return NFCTAG_OK;
+}
+
+/**
+ * @brief Write data, at specific address, through i2c to the ST25DV
+ * @param pData: pointer to the data to write
+ * @param DevAddr : Target device address
+ * @param TarAddr : i2c data memory address to write
+ * @param Size : Size in bytes of the value to be written
+ * @param mi2cChannel : I2C channel
+ * @retval NFCTAG enum status
+ */
+NFCTAG_StatusTypeDef ST25DV_IO_MemWrite( const uint8_t * const pData, const uint8_t DevAddr, const uint16_t TarAddr, const uint16_t Size, I2C* mi2cChannel )
+{
+
+ uint8_t ret = 4;
+
+ uint8_t Addr = DevAddr;
+
+
+ uint8_t buffer[2];
+ buffer[0] = (uint8_t) (TarAddr>>8);
+ buffer[1] = (uint8_t) (TarAddr&0xFF);
+
+
+ char * pDataChar = (char*) pData;
+
+
+ ret = mi2cChannel -> write(Addr, (const char*)buffer, 2 , true);
+
+ // Address is not OK
+ if(ret != 0)
+ return NFCTAG_ConvertStatus(ret);
+
+ ret = mi2cChannel -> write(Addr, pDataChar, Size, false);
+
+ return NFCTAG_ConvertStatus(ret);
+}
+
+
+/*
+ * @brief Reads data at a specific address from the NFCTAG.
+ * @param pData: pointer to store read data
+ * @param DevAddr : Target device address
+ * @param TarAddr : i2c data memory address to read
+ * @param Size : Size in bytes of the value to be read
+ * @param mi2cChannel : I2C channel
+ * @retval NFCTAG enum status
+ */
+
+NFCTAG_StatusTypeDef ST25DV_IO_MemRead( uint8_t * const pData, const uint8_t DevAddr, const uint16_t TarAddr, const uint16_t Size, I2C* mi2cChannel )
+{
+
+ uint8_t ret = 4;
+ uint8_t Addr = DevAddr;
+
+ uint8_t buffer[2];
+ buffer[0] = (uint8_t) (TarAddr>>8);
+ buffer[1] = (uint8_t) (TarAddr&0xFF);
+
+ ret = mi2cChannel -> write(Addr, (const char*)buffer , 2 , false);
+
+ // Address is not OK
+ if(ret != 0)
+ return NFCTAG_ConvertStatus(ret);
+
+ char * pDataChar = (char*) pData;
+
+ ret = mi2cChannel -> read(DevAddr, pDataChar, Size, false );
+
+ return NFCTAG_ConvertStatus(ret);
+}
+
+NFCTAG_StatusTypeDef NFCTAG_ConvertStatus(uint8_t ret) {
+ if (ret == 0) {
+ return NFCTAG_OK;
+ } else if ((ret == 2) || (ret == 3)) {
+ return NFCTAG_NACK;
+ } else {
+ return NFCTAG_ERROR;
+ }
+}
+
+
+/**
+ * @brief Reads data at current address from the NFCTAG.
+ * @param pData: pointer to store read data
+ * @param DevAddr : Target device address
+ * @param Size : Size in bytes of the value to be read
+ * @retval NFCTAG enum status
+ */
+NFCTAG_StatusTypeDef ST25DV_IO_Read( uint8_t * const pData, const uint8_t DevAddr, const uint16_t Size, I2C* mi2cChannel )
+{
+ //this has to change( send addr then read)
+ int i = 0;
+ uint8_t ret = 4;
+
+ char * pDataChar = (char*) pData;
+ uint8_t ReadAddr = DevAddr | 1u;
+ ret = mi2cChannel -> read(ReadAddr, pDataChar, 1, false );
+
+
+// Tell slave we need to read 1byte from the current register
+ while(mi2cChannel -> read( 0 ) != 0) {
+ pData[i++] = mi2cChannel -> read( 0 );
+
+ }
+
+
+ return NFCTAG_ConvertStatus( ret);
+}
+
+
+/**
+* @brief Checks if target device is ready for communication
+* @note This function is used with Memory devices
+* @param DevAddr : Target device address
+* @param mi2cChannel : I2C channel
+* @retval NFCTAG enum status
+*/
+NFCTAG_StatusTypeDef ST25DV_IO_IsDeviceReady( const uint8_t DevAddr, const uint32_t Trials, I2C* mi2cChannel)
+{
+ int ret = 4;
+ uint32_t count = 0;
+
+ uint8_t Addr = DevAddr;
+
+
+ while ((count++ < Trials && ret) ) {
+ ret = mi2cChannel -> write(Addr, NULL, 0 , false);
+ }
+ return NFCTAG_ConvertStatus(ret);
+}
+
+
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2017 STMicroelectronics *****END OF FILE****/