I2C_EEPROM

Defines
#define	BUFFER_SIZE1   (countof(Tx1Buffer)-1)
#define	BUFFER_SIZE2   (countof(Tx2Buffer)-1)
#define	countof(a)   (sizeof(a) / sizeof(*(a)))
#define	ENABLE_LCD_MSG_DISPLAY
#define	sEE_READ_ADDRESS1   0x50
#define	sEE_READ_ADDRESS2   (sEE_READ_ADDRESS1 + BUFFER_SIZE1)
#define	sEE_WRITE_ADDRESS1   0x50
#define	sEE_WRITE_ADDRESS2   (sEE_WRITE_ADDRESS1 + BUFFER_SIZE1)
Enumerations
enum	TestStatus {   FAILED = 0, PASSED = !FAILED, FAILED = 0, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED, FAILED = 0, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED, FAILED = 0, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED, FAILED = 1, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED, FAILED = 0, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED, FAILED = 0, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED, FAILED = 0, PASSED = !FAILED,   FAILED = 0, PASSED = !FAILED }
Functions
static TestStatus	Buffercmp (uint8_t *pBuffer1, uint8_t *pBuffer2, uint16_t BufferLength)
	Compares two buffers.
void	HardFault_Handler (void)
	This function handles Hard Fault exception.
int	main (void)
	Main program.
void	NMI_Handler (void)
	This function handles NMI exception.
void	PendSV_Handler (void)
	This function handles PendSVC exception.
uint32_t	sEE_TIMEOUT_UserCallback (void)
	Example of timeout situation management.
void	SVC_Handler (void)
	This function handles SVCall exception.
void	SysTick_Handler (void)
	This function handles SysTick Handler.
Variables
volatile uint16_t	NumDataRead = 0
uint8_t	Rx1Buffer [BUFFER_SIZE1]
uint8_t	Rx2Buffer [BUFFER_SIZE2]
volatile TestStatus	TransferStatus1 = FAILED
volatile TestStatus	TransferStatus2 = FAILED
uint8_t	Tx1Buffer []
uint8_t	Tx2Buffer []

---

Define Documentation

#define BUFFER_SIZE1   (countof(Tx1Buffer)-1)

Definition at line 49 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

#define BUFFER_SIZE2   (countof(Tx2Buffer)-1)

Definition at line 50 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

#define countof

(

a

)

(sizeof(a) / sizeof(*(a)))

Definition at line 55 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

#define ENABLE_LCD_MSG_DISPLAY

Definition at line 45 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

#define sEE_READ_ADDRESS1   0x50

Definition at line 48 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

#define sEE_READ_ADDRESS2   (sEE_READ_ADDRESS1 + BUFFER_SIZE1)

Definition at line 52 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

#define sEE_WRITE_ADDRESS1   0x50

Definition at line 47 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

#define sEE_WRITE_ADDRESS2   (sEE_WRITE_ADDRESS1 + BUFFER_SIZE1)

Definition at line 51 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

---

Enumeration Type Documentation

enum TestStatus

Enumerator:

FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED
FAILED
PASSED

Definition at line 41 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

---

Function Documentation

static TestStatus Buffercmp	(	uint8_t *	pBuffer1,
		uint8_t *	pBuffer2,
		uint16_t	BufferLength
	)		[static]

Compares two buffers.

Parameters:

pBuffer1,pBuffer2,:	buffers to be compared.
BufferLength,:	buffer's length

Return values:

PASSED,:

pBuffer1 identical to pBuffer2 FAILED: pBuffer1 differs from pBuffer2

Definition at line 220 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

References FAILED, and PASSED.

Referenced by main().

void HardFault_Handler

(

void

)

This function handles Hard Fault exception.

Parameters:

None

Return values:

None

Definition at line 66 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/stm32f0xx_it.c.

int main

(

void

)

Main program.

Parameters:

None

Return values:

None

< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f0xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f0xx.c file

Definition at line 80 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

References BUFFER_SIZE1, BUFFER_SIZE2, Buffercmp(), NumDataRead, PASSED, Rx1Buffer, Rx2Buffer, sEE_READ_ADDRESS1, sEE_READ_ADDRESS2, sEE_WRITE_ADDRESS1, sEE_WRITE_ADDRESS2, TransferStatus1, TransferStatus2, Tx1Buffer, and Tx2Buffer.

void NMI_Handler

(

void

)

This function handles NMI exception.

Parameters:

None

Return values:

None

Definition at line 57 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/stm32f0xx_it.c.

void PendSV_Handler

(

void

)

This function handles PendSVC exception.

Parameters:

None

Return values:

None

Definition at line 88 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/stm32f0xx_it.c.

uint32_t sEE_TIMEOUT_UserCallback

(

void

)

Example of timeout situation management.

Parameters:

None.

Return values:

None.

Definition at line 189 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

void SVC_Handler

(

void

)

This function handles SVCall exception.

Parameters:

None

Return values:

None

Definition at line 79 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/stm32f0xx_it.c.

void SysTick_Handler

(

void

)

This function handles SysTick Handler.

Parameters:

None

Return values:

None

Definition at line 97 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/stm32f0xx_it.c.

---

Variable Documentation

volatile uint16_t NumDataRead = 0

Definition at line 69 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

uint8_t Rx1Buffer[BUFFER_SIZE1]

Definition at line 67 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

uint8_t Rx2Buffer[BUFFER_SIZE2]

Definition at line 67 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

volatile TestStatus TransferStatus1 = FAILED

Definition at line 68 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

volatile TestStatus TransferStatus2 = FAILED

Definition at line 68 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

uint8_t Tx1Buffer[]

Initial value:

"/* STM32F0xx I2C Firmware Library EEPROM driver example: \
                        This firmware provides a basic example of how to use the I2C firmware library and\
                        an associate I2C EEPROM driver to communicate with an I2C EEPROM device \
                        I2C peripheral is configured in Master transmitter during write operation and in\
                        Master receiver during read operation from I2C EEPROM.*/"

Definition at line 58 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().

uint8_t Tx2Buffer[]

Initial value:

"/* STM32F0xx I2C Firmware Library EEPROM driver example : \
                        I2C1 interfacing with M24LR64 EEPROM */"

Definition at line 64 of file STM32F0xx_StdPeriph_Examples/I2C/I2C_EEPROM/main.c.

Referenced by main().