Defined Constants and Types for the STM32G0xx Flash Control More...

Collaboration diagram for FLASH Defines:

Modules
	FLASH Registers

	ACR Access control register

	KEYR Flash key register

	OPTKEYR Option byte key register

	SR Status register

	CR Flash control register

	ECCR Flash ECC register

	OPTR Flash option register

Functions
void	flash_clear_progerr_flag (void)
	Clear the Programming Error Status Flag. More...

void	flash_clear_pgserr_flag (void)
	Clear the Programming Sequence Error Flag. More...

void	flash_clear_size_flag (void)
	Clear programming size error flag. More...

void	flash_clear_pgaerr_flag (void)
	Clear the Programming Alignment Error Flag. More...

void	flash_clear_wrperr_flag (void)
	Clear the Write Protected Error Flag. More...

void	flash_clear_operr_flag (void)
	Clear the Operation Error Status Flag. More...

void	flash_clear_eop_flag (void)
	Clear the End of Operation Flag. More...

void	flash_clear_status_flags (void)
	Clear All Status Flags. More...

void	flash_wait_for_last_operation (void)
	Wait until Last Flash Operation has Ended. More...

void	flash_program_double_word (uint32_t address, uint64_t data)
	Program a 64bits word to FLASH. More...

void	flash_program (uint32_t address, uint8_t *data, uint32_t len)
	Program a Data Block to FLASH. More...

void	flash_erase_page (uint32_t page)
	Erase a page of FLASH. More...

void	flash_erase_all_pages (void)
	Erase All FLASH This performs all operations necessary to erase all sectors in the FLASH memory. More...

void	flash_icache_enable (void)
	Enable instruction cache. More...

void	flash_icache_disable (void)
	Disable instruction cache. More...

void	flash_icache_reset (void)
	Reset instruction cache. More...

void	flash_unlock_progmem (void)
	Unlock program memory. More...

void	flash_lock_progmem (void)
	lock program memory More...

void	flash_lock_option_bytes (void)
	Lock Option Byte Access. More...

Detailed Description

Defined Constants and Types for the STM32G0xx Flash Control

Version: 1.0.0

LGPL License Terms libopencm3 License

Function Documentation

◆ flash_clear_eop_flag()

void flash_clear_eop_flag ( void )

Clear the End of Operation Flag.

Definition at line 121 of file flash.c.

References FLASH_SR, and FLASH_SR_EOP.

Referenced by flash_clear_status_flags().

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◆ flash_clear_operr_flag()

void flash_clear_operr_flag ( void )

Clear the Operation Error Status Flag.

Definition at line 155 of file flash.c.

References FLASH_SR, and FLASH_SR_OPERR.

Referenced by flash_clear_status_flags().

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◆ flash_clear_pgaerr_flag()

void flash_clear_pgaerr_flag ( void )

Clear the Programming Alignment Error Flag.

Definition at line 134 of file flash.c.

References FLASH_SR, and FLASH_SR_PGAERR.

Referenced by flash_clear_status_flags().

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◆ flash_clear_pgserr_flag()

void flash_clear_pgserr_flag ( void )

Clear the Programming Sequence Error Flag.

Definition at line 115 of file flash.c.

References FLASH_SR, and FLASH_SR_PGSERR.

Referenced by flash_clear_status_flags().

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◆ flash_clear_progerr_flag()

void flash_clear_progerr_flag ( void )

Clear the Programming Error Status Flag.

Definition at line 148 of file flash.c.

References FLASH_SR, and FLASH_SR_PROGERR.

Referenced by flash_clear_status_flags().

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◆ flash_clear_size_flag()

void flash_clear_size_flag ( void )

Clear programming size error flag.

Definition at line 127 of file flash.c.

References FLASH_SR, and FLASH_SR_SIZERR.

Referenced by flash_clear_status_flags().

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◆ flash_clear_status_flags()

void flash_clear_status_flags ( void )

Clear All Status Flags.

Definition at line 161 of file flash.c.

References flash_clear_eop_flag(), flash_clear_operr_flag(), flash_clear_pgaerr_flag(), flash_clear_pgserr_flag(), flash_clear_progerr_flag(), flash_clear_size_flag(), and flash_clear_wrperr_flag().

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◆ flash_clear_wrperr_flag()

void flash_clear_wrperr_flag ( void )

Clear the Write Protected Error Flag.

Definition at line 141 of file flash.c.

References FLASH_SR, and FLASH_SR_WRPERR.

Referenced by flash_clear_status_flags().

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◆ flash_erase_all_pages()

void flash_erase_all_pages ( void )

Erase All FLASH This performs all operations necessary to erase all sectors in the FLASH memory.

Definition at line 103 of file flash.c.

References FLASH_CR, FLASH_CR_MER, FLASH_CR_STRT, and flash_wait_for_last_operation().

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◆ flash_erase_page()

void flash_erase_page ( uint32_t page )

Erase a page of FLASH.

Parameters

[in] page

Definition at line 82 of file flash.c.

References FLASH_CR, FLASH_CR_PER, FLASH_CR_PNB_MASK, FLASH_CR_PNB_SHIFT, FLASH_CR_STRT, and flash_wait_for_last_operation().

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◆ flash_icache_disable()

void flash_icache_disable ( void )

Disable instruction cache.

Definition at line 177 of file flash.c.

References FLASH_ACR.

◆ flash_icache_enable()

void flash_icache_enable ( void )

Enable instruction cache.

Definition at line 172 of file flash.c.

References FLASH_ACR, and FLASH_ACR_ICEN.

◆ flash_icache_reset()

void flash_icache_reset ( void )

Reset instruction cache.

Definition at line 182 of file flash.c.

References FLASH_ACR, and FLASH_ACR_ICRST.

◆ flash_lock_option_bytes()

void flash_lock_option_bytes ( void )

Lock Option Byte Access.

Definition at line 198 of file flash.c.

References FLASH_CR, and FLASH_CR_OPTLOCK.

Referenced by flash_lock().

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◆ flash_lock_progmem()

void flash_lock_progmem ( void )

lock program memory

Definition at line 193 of file flash.c.

References FLASH_CR, and FLASH_CR_LOCK.

Referenced by flash_lock().

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◆ flash_program()

void flash_program	(	uint32_t	address,
		uint8_t *	data,
		uint32_t	len
	)

Program a Data Block to FLASH.

This programs an arbitrary length data block to FLASH memory. The program error flag should be checked separately for the event that memory was not properly erased.

Parameters