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[refactoring] sourcefile 'common.c' #1218

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merged 6 commits into from
Jan 29, 2022
Merged

[refactoring] sourcefile 'common.c' #1218

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e5ff479
#1216 refactoring of common.c
hydroconstructor Jan 20, 2022
4ce20d0
stlink-org#1216 refactoring of common.c
hydroconstructor Jan 20, 2022
fecd2ba
Refactoring common.c
hydroconstructor Jan 21, 2022
d9e79fe
Merge branch 'develop' into common-c-refactor
Nightwalker-87 Jan 28, 2022
d98d3a5
Minor formatting fixes & clean-up
Nightwalker-87 Jan 29, 2022
e2dcf07
Fixed defines (CHIPID + COREID) & duplicates
Nightwalker-87 Jan 29, 2022
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8 changes: 8 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,8 @@ add_subdirectory(inc)
set(STLINK_HEADERS
inc/backend.h
inc/stlink.h
src/common_flash.h
src/calculate.h
src/stlink-lib/commands.h
src/stlink-lib/libusb_settings.h
src/stlink-lib/reg.h
Expand All @@ -123,7 +125,13 @@ set(STLINK_HEADERS
)

set(STLINK_SOURCE
src/read_write.c
src/common.c
src/option_bytes.c
src/common_flash.c
src/map_file.c
src/flashloader.c
src/calculate.c
src/stlink-lib/chipid.c
src/stlink-lib/flash_loader.c
src/stlink-lib/logging.c
Expand Down
6 changes: 4 additions & 2 deletions inc/stlink.h
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@

/*
* File: stlink.h
*
Expand All @@ -13,6 +14,7 @@
#include <stdbool.h>

#include "stm32.h"
#include "stm32flash.h"

#ifdef __cplusplus
extern "C" {
Expand Down Expand Up @@ -274,15 +276,15 @@ int stlink_mwrite_sram(stlink_t *sl, uint8_t* data, uint32_t length, stm32_addr_
int stlink_fwrite_sram(stlink_t *sl, const char* path, stm32_addr_t addr);
int stlink_verify_write_flash(stlink_t *sl, stm32_addr_t address, uint8_t *data, uint32_t length);

int stlink_chip_id(stlink_t *sl, uint32_t *chip_id);
//int stlink_chip_id(stlink_t *sl, uint32_t *chip_id);
int stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid);

int stlink_erase_flash_page(stlink_t* sl, stm32_addr_t flashaddr);
uint32_t stlink_calculate_pagesize(stlink_t *sl, uint32_t flashaddr);
int stlink_check_address_range_validity(stlink_t *sl, stm32_addr_t addr, size_t size);
int stlink_check_address_alignment(stlink_t *sl, stm32_addr_t addr);
uint16_t read_uint16(const unsigned char *c, const int pt);
void stlink_core_stat(stlink_t *sl);
//void stlink_core_stat(stlink_t *sl);
void stlink_print_data(stlink_t *sl);
unsigned int is_bigendian(void);
uint32_t read_uint32(const unsigned char *c, const int pt);
Expand Down
334 changes: 0 additions & 334 deletions inc/stm32.h
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Original file line number Diff line number Diff line change
Expand Up @@ -155,340 +155,6 @@ enum stm32_chipids {
#define STM32_F1_FLASH_BANK2_BASE ((uint32_t)0x08080000)
#define STM32_H7_FLASH_BANK2_BASE ((uint32_t)0x08100000)

/* stm32f FPEC flash controller interface, pm0063 manual */
// STM32F05x is identical, based on RM0091 (DM00031936, Doc ID 018940 Rev 2, August 2012)
#define FLASH_REGS_ADDR 0x40022000
#define FLASH_REGS_SIZE 0x28

#define FLASH_ACR (FLASH_REGS_ADDR + 0x00)
#define FLASH_KEYR (FLASH_REGS_ADDR + 0x04)
#define FLASH_OPTKEYR (FLASH_REGS_ADDR + 0x08)
#define FLASH_SR (FLASH_REGS_ADDR + 0x0c)
#define FLASH_CR (FLASH_REGS_ADDR + 0x10)
#define FLASH_AR (FLASH_REGS_ADDR + 0x14)
#define FLASH_OBR (FLASH_REGS_ADDR + 0x1c)
#define FLASH_WRPR (FLASH_REGS_ADDR + 0x20)

// STM32F10x_XL has two flash memory banks with separate registers to control
// the second bank.
#define FLASH_KEYR2 (FLASH_REGS_ADDR + 0x44)
#define FLASH_SR2 (FLASH_REGS_ADDR + 0x4c)
#define FLASH_CR2 (FLASH_REGS_ADDR + 0x50)
#define FLASH_AR2 (FLASH_REGS_ADDR + 0x54)

// For STM32F05x, the RDPTR_KEY may be wrong, but as it is not used anywhere...
#define FLASH_RDPTR_KEY 0x00a5
#define FLASH_KEY1 0x45670123
#define FLASH_KEY2 0xcdef89ab

#define FLASH_L0_PRGKEY1 0x8c9daebf
#define FLASH_L0_PRGKEY2 0x13141516

#define FLASH_L0_PEKEY1 0x89abcdef
#define FLASH_L0_PEKEY2 0x02030405

#define FLASH_OPTKEY1 0x08192A3B
#define FLASH_OPTKEY2 0x4C5D6E7F

#define FLASH_F0_OPTKEY1 0x45670123
#define FLASH_F0_OPTKEY2 0xCDEF89AB

#define FLASH_L0_OPTKEY1 0xFBEAD9C8
#define FLASH_L0_OPTKEY2 0x24252627

#define FLASH_SR_BSY 0
#define FLASH_SR_PG_ERR 2
#define FLASH_SR_WRPRT_ERR 4
#define FLASH_SR_EOP 5

#define FLASH_SR_ERROR_MASK ((1 << FLASH_SR_PG_ERR) | (1 << FLASH_SR_WRPRT_ERR))

#define FLASH_CR_PG 0
#define FLASH_CR_PER 1
#define FLASH_CR_MER 2
#define FLASH_CR_OPTPG 4
#define FLASH_CR_OPTER 5
#define FLASH_CR_STRT 6
#define FLASH_CR_LOCK 7
#define FLASH_CR_OPTWRE 9
#define FLASH_CR_OBL_LAUNCH 13

#define STM32L_FLASH_REGS_ADDR ((uint32_t)0x40023c00)
#define STM32L_FLASH_ACR (STM32L_FLASH_REGS_ADDR + 0x00)
#define STM32L_FLASH_PECR (STM32L_FLASH_REGS_ADDR + 0x04)
#define STM32L_FLASH_PDKEYR (STM32L_FLASH_REGS_ADDR + 0x08)
#define STM32L_FLASH_PEKEYR (STM32L_FLASH_REGS_ADDR + 0x0c)
#define STM32L_FLASH_PRGKEYR (STM32L_FLASH_REGS_ADDR + 0x10)
#define STM32L_FLASH_OPTKEYR (STM32L_FLASH_REGS_ADDR + 0x14)
#define STM32L_FLASH_SR (STM32L_FLASH_REGS_ADDR + 0x18)
#define STM32L_FLASH_OBR (STM32L_FLASH_REGS_ADDR + 0x1c)
#define STM32L_FLASH_WRPR (STM32L_FLASH_REGS_ADDR + 0x20)
#define FLASH_L1_FPRG 10
#define FLASH_L1_PROG 3

// Flash registers common to STM32G0 and STM32G4 series.
#define STM32Gx_FLASH_REGS_ADDR ((uint32_t)0x40022000)
#define STM32Gx_FLASH_ACR (STM32Gx_FLASH_REGS_ADDR + 0x00)
#define STM32Gx_FLASH_KEYR (STM32Gx_FLASH_REGS_ADDR + 0x08)
#define STM32Gx_FLASH_OPTKEYR (STM32Gx_FLASH_REGS_ADDR + 0x0c)
#define STM32Gx_FLASH_SR (STM32Gx_FLASH_REGS_ADDR + 0x10)
#define STM32Gx_FLASH_CR (STM32Gx_FLASH_REGS_ADDR + 0x14)
#define STM32Gx_FLASH_ECCR (STM32Gx_FLASH_REGS_ADDR + 0x18)
#define STM32Gx_FLASH_OPTR (STM32Gx_FLASH_REGS_ADDR + 0x20)

// G0 (RM0444 Table 1, sec 3.7)
// Mostly the same as G4 chips, but the notation
// varies a bit after the 'OPTR' register.
#define STM32G0_FLASH_REGS_ADDR (STM32Gx_FLASH_REGS_ADDR)
#define STM32G0_FLASH_PCROP1ASR (STM32G0_FLASH_REGS_ADDR + 0x24)
#define STM32G0_FLASH_PCROP1AER (STM32G0_FLASH_REGS_ADDR + 0x28)
#define STM32G0_FLASH_WRP1AR (STM32G0_FLASH_REGS_ADDR + 0x2C)
#define STM32G0_FLASH_WRP1BR (STM32G0_FLASH_REGS_ADDR + 0x30)
#define STM32G0_FLASH_PCROP1BSR (STM32G0_FLASH_REGS_ADDR + 0x34)
#define STM32G0_FLASH_PCROP1BER (STM32G0_FLASH_REGS_ADDR + 0x38)
#define STM32G0_FLASH_SECR (STM32G0_FLASH_REGS_ADDR + 0x80)

// G4 (RM0440 Table 17, sec 3.7.19)
// Mostly the same as STM32G0 chips, but there are a few extra
// registers because 'cat 3' devices can have two Flash banks.
#define STM32G4_FLASH_REGS_ADDR (STM32Gx_FLASH_REGS_ADDR)
#define STM32G4_FLASH_PDKEYR (STM32G4_FLASH_REGS_ADDR + 0x04)
#define STM32G4_FLASH_PCROP1SR (STM32G4_FLASH_REGS_ADDR + 0x24)
#define STM32G4_FLASH_PCROP1ER (STM32G4_FLASH_REGS_ADDR + 0x28)
#define STM32G4_FLASH_WRP1AR (STM32G4_FLASH_REGS_ADDR + 0x2C)
#define STM32G4_FLASH_WRP1BR (STM32G4_FLASH_REGS_ADDR + 0x30)
#define STM32G4_FLASH_PCROP2SR (STM32G4_FLASH_REGS_ADDR + 0x44)
#define STM32G4_FLASH_PCROP2ER (STM32G4_FLASH_REGS_ADDR + 0x48)
#define STM32G4_FLASH_WRP2AR (STM32G4_FLASH_REGS_ADDR + 0x4C)
#define STM32G4_FLASH_WRP2BR (STM32G4_FLASH_REGS_ADDR + 0x50)
#define STM32G4_FLASH_SEC1R (STM32G4_FLASH_REGS_ADDR + 0x70)
#define STM32G4_FLASH_SEC2R (STM32G4_FLASH_REGS_ADDR + 0x74)

// G0/G4 FLASH control register
#define STM32Gx_FLASH_CR_PG (0) /* Program */
#define STM32Gx_FLASH_CR_PER (1) /* Page erase */
#define STM32Gx_FLASH_CR_MER1 (2) /* Mass erase */
#define STM32Gx_FLASH_CR_PNB (3) /* Page number */
#define STM32G0_FLASH_CR_PNG_LEN (5) /* STM32G0: 5 page number bits */
#define STM32G4_FLASH_CR_PNG_LEN (7) /* STM32G4: 7 page number bits */
#define STM32Gx_FLASH_CR_MER2 (15) /* Mass erase (2nd bank)*/
#define STM32Gx_FLASH_CR_STRT (16) /* Start */
#define STM32Gx_FLASH_CR_OPTSTRT \
(17) /* Start of modification of option bytes */
#define STM32Gx_FLASH_CR_FSTPG (18) /* Fast programming */
#define STM32Gx_FLASH_CR_EOPIE (24) /* End of operation interrupt enable */
#define STM32Gx_FLASH_CR_ERRIE (25) /* Error interrupt enable */
#define STM32Gx_FLASH_CR_OBL_LAUNCH (27) /* Forces the option byte loading */
#define STM32Gx_FLASH_CR_OPTLOCK (30) /* Options Lock */
#define STM32Gx_FLASH_CR_LOCK (31) /* FLASH_CR Lock */

// G0/G4 FLASH status register
#define STM32Gx_FLASH_SR_ERROR_MASK (0x3fa)
#define STM32Gx_FLASH_SR_PROGERR (3)
#define STM32Gx_FLASH_SR_WRPERR (4)
#define STM32Gx_FLASH_SR_PGAERR (5)
#define STM32Gx_FLASH_SR_BSY (16) /* FLASH_SR Busy */
#define STM32Gx_FLASH_SR_EOP (0) /* FLASH_EOP End of Operation */

// G4 FLASH option register
#define STM32G4_FLASH_OPTR_DBANK (22) /* FLASH_OPTR Dual Bank Mode */

// WB (RM0434)
#define STM32WB_FLASH_REGS_ADDR ((uint32_t)0x58004000)
#define STM32WB_FLASH_ACR (STM32WB_FLASH_REGS_ADDR + 0x00)
#define STM32WB_FLASH_KEYR (STM32WB_FLASH_REGS_ADDR + 0x08)
#define STM32WB_FLASH_OPT_KEYR (STM32WB_FLASH_REGS_ADDR + 0x0C)
#define STM32WB_FLASH_SR (STM32WB_FLASH_REGS_ADDR + 0x10)
#define STM32WB_FLASH_CR (STM32WB_FLASH_REGS_ADDR + 0x14)
#define STM32WB_FLASH_ECCR (STM32WB_FLASH_REGS_ADDR + 0x18)
#define STM32WB_FLASH_OPTR (STM32WB_FLASH_REGS_ADDR + 0x20)
#define STM32WB_FLASH_PCROP1ASR (STM32WB_FLASH_REGS_ADDR + 0x24)
#define STM32WB_FLASH_PCROP1AER (STM32WB_FLASH_REGS_ADDR + 0x28)
#define STM32WB_FLASH_WRP1AR (STM32WB_FLASH_REGS_ADDR + 0x2C)
#define STM32WB_FLASH_WRP1BR (STM32WB_FLASH_REGS_ADDR + 0x30)
#define STM32WB_FLASH_PCROP1BSR (STM32WB_FLASH_REGS_ADDR + 0x34)
#define STM32WB_FLASH_PCROP1BER (STM32WB_FLASH_REGS_ADDR + 0x38)
#define STM32WB_FLASH_IPCCBR (STM32WB_FLASH_REGS_ADDR + 0x3C)
#define STM32WB_FLASH_C2ACR (STM32WB_FLASH_REGS_ADDR + 0x5C)
#define STM32WB_FLASH_C2SR (STM32WB_FLASH_REGS_ADDR + 0x60)
#define STM32WB_FLASH_C2CR (STM32WB_FLASH_REGS_ADDR + 0x64)
#define STM32WB_FLASH_SFR (STM32WB_FLASH_REGS_ADDR + 0x80)
#define STM32WB_FLASH_SRRVR (STM32WB_FLASH_REGS_ADDR + 0x84)

// WB Flash control register.
#define STM32WB_FLASH_CR_STRT (16) /* Start */
#define STM32WB_FLASH_CR_OPTLOCK (30) /* Option Lock */
#define STM32WB_FLASH_CR_LOCK (31) /* Lock */
// WB Flash status register.
#define STM32WB_FLASH_SR_ERROR_MASK (0x3f8) /* SR [9:3] */
#define STM32WB_FLASH_SR_PROGERR (3) /* Programming alignment error */
#define STM32WB_FLASH_SR_WRPERR (4) /* Write protection error */
#define STM32WB_FLASH_SR_PGAERR (5) /* Programming error */
#define STM32WB_FLASH_SR_BSY (16) /* Busy */

// 32L4 register base is at FLASH_REGS_ADDR (0x40022000)
#define STM32L4_FLASH_KEYR (FLASH_REGS_ADDR + 0x08)
#define STM32L4_FLASH_OPTKEYR (FLASH_REGS_ADDR + 0x0C)
#define STM32L4_FLASH_SR (FLASH_REGS_ADDR + 0x10)
#define STM32L4_FLASH_CR (FLASH_REGS_ADDR + 0x14)
#define STM32L4_FLASH_OPTR (FLASH_REGS_ADDR + 0x20)

#define STM32L4_FLASH_SR_ERROR_MASK 0x3f8 /* SR [9:3] */
#define STM32L4_FLASH_SR_PROGERR 3
#define STM32L4_FLASH_SR_WRPERR 4
#define STM32L4_FLASH_SR_PGAERR 5
#define STM32L4_FLASH_SR_BSY 16

#define STM32L4_FLASH_CR_LOCK 31 /* Lock control register */
#define STM32L4_FLASH_CR_OPTLOCK 30 /* Lock option bytes */
#define STM32L4_FLASH_CR_PG 0 /* Program */
#define STM32L4_FLASH_CR_PER 1 /* Page erase */
#define STM32L4_FLASH_CR_MER1 2 /* Bank 1 erase */
#define STM32L4_FLASH_CR_MER2 15 /* Bank 2 erase */
#define STM32L4_FLASH_CR_STRT 16 /* Start command */
#define STM32L4_FLASH_CR_OPTSTRT 17 /* Start writing option bytes */
#define STM32L4_FLASH_CR_BKER 11 /* Bank select for page erase */
#define STM32L4_FLASH_CR_PNB 3 /* Page number (8 bits) */
#define STM32L4_FLASH_CR_OBL_LAUNCH 27 /* Option bytes reload */
// Bits requesting flash operations (useful when we want to clear them)
#define STM32L4_FLASH_CR_OPBITS \
(uint32_t)((1lu << STM32L4_FLASH_CR_PG) | (1lu << STM32L4_FLASH_CR_PER) | \
(1lu << STM32L4_FLASH_CR_MER1) | (1lu << STM32L4_FLASH_CR_MER1))
// Page is fully specified by BKER and PNB
#define STM32L4_FLASH_CR_PAGEMASK (uint32_t)(0x1fflu << STM32L4_FLASH_CR_PNB)

#define STM32L4_FLASH_OPTR_DUALBANK 21

// STM32L0x flash register base and offsets RM0090 - DM00031020.pdf
#define STM32L0_FLASH_REGS_ADDR ((uint32_t)0x40022000)

#define STM32L0_FLASH_PELOCK (0)
#define STM32L0_FLASH_OPTLOCK (2)
#define STM32L0_FLASH_OBL_LAUNCH (18)

#define STM32L0_FLASH_SR_ERROR_MASK 0x00013F00
#define STM32L0_FLASH_SR_WRPERR 8
#define STM32L0_FLASH_SR_PGAERR 9
#define STM32L0_FLASH_SR_NOTZEROERR 16

#define FLASH_ACR_OFF ((uint32_t)0x00)
#define FLASH_PECR_OFF ((uint32_t)0x04)
#define FLASH_PDKEYR_OFF ((uint32_t)0x08)
#define FLASH_PEKEYR_OFF ((uint32_t)0x0c)
#define FLASH_PRGKEYR_OFF ((uint32_t)0x10)
#define FLASH_OPTKEYR_OFF ((uint32_t)0x14)
#define FLASH_SR_OFF ((uint32_t)0x18)
#define FLASH_OBR_OFF ((uint32_t)0x1c)
#define FLASH_WRPR_OFF ((uint32_t)0x20)

// STM32F7
#define FLASH_F7_REGS_ADDR ((uint32_t)0x40023c00)
#define FLASH_F7_KEYR (FLASH_F7_REGS_ADDR + 0x04)
#define FLASH_F7_OPT_KEYR (FLASH_F7_REGS_ADDR + 0x08)
#define FLASH_F7_SR (FLASH_F7_REGS_ADDR + 0x0c)
#define FLASH_F7_CR (FLASH_F7_REGS_ADDR + 0x10)
#define FLASH_F7_OPTCR (FLASH_F7_REGS_ADDR + 0x14)
#define FLASH_F7_OPTCR1 (FLASH_F7_REGS_ADDR + 0x18)
#define FLASH_F7_OPTCR_LOCK 0
#define FLASH_F7_OPTCR_START 1
#define FLASH_F7_CR_STRT 16
#define FLASH_F7_CR_LOCK 31
#define FLASH_F7_CR_SER 1
#define FLASH_F7_CR_SNB 3
#define FLASH_F7_CR_SNB_MASK 0xf8
#define FLASH_F7_SR_BSY 16
#define FLASH_F7_SR_ERS_ERR 7 /* Erase Sequence Error */
#define FLASH_F7_SR_PGP_ERR 6 /* Programming parallelism error */
#define FLASH_F7_SR_PGA_ERR 5 /* Programming alignment error */
#define FLASH_F7_SR_WRP_ERR 4 /* Write protection error */
#define FLASH_F7_SR_OP_ERR 1 /* Operation error */
#define FLASH_F7_SR_EOP 0 /* End of operation */
#define FLASH_F7_OPTCR1_BOOT_ADD0 0
#define FLASH_F7_OPTCR1_BOOT_ADD1 16

#define FLASH_F7_SR_ERROR_MASK \
((1 << FLASH_F7_SR_ERS_ERR) | (1 << FLASH_F7_SR_PGP_ERR) | \
(1 << FLASH_F7_SR_PGA_ERR) | (1 << FLASH_F7_SR_WRP_ERR) | \
(1 << FLASH_F7_SR_OP_ERR))

// STM32F4
#define FLASH_F4_REGS_ADDR ((uint32_t)0x40023c00)
#define FLASH_F4_KEYR (FLASH_F4_REGS_ADDR + 0x04)
#define FLASH_F4_OPT_KEYR (FLASH_F4_REGS_ADDR + 0x08)
#define FLASH_F4_SR (FLASH_F4_REGS_ADDR + 0x0c)
#define FLASH_F4_CR (FLASH_F4_REGS_ADDR + 0x10)
#define FLASH_F4_OPTCR (FLASH_F4_REGS_ADDR + 0x14)
#define FLASH_F4_OPTCR_LOCK 0
#define FLASH_F4_OPTCR_START 1
#define FLASH_F4_CR_STRT 16
#define FLASH_F4_CR_LOCK 31
#define FLASH_F4_CR_SER 1
#define FLASH_F4_CR_SNB 3
#define FLASH_F4_CR_SNB_MASK 0xf8
#define FLASH_F4_SR_ERROR_MASK 0x000000F0
#define FLASH_F4_SR_PGAERR 5
#define FLASH_F4_SR_WRPERR 4
#define FLASH_F4_SR_BSY 16

// STM32F2
#define FLASH_F2_REGS_ADDR ((uint32_t)0x40023c00)
#define FLASH_F2_KEYR (FLASH_F2_REGS_ADDR + 0x04)
#define FLASH_F2_OPT_KEYR (FLASH_F2_REGS_ADDR + 0x08)
#define FLASH_F2_SR (FLASH_F2_REGS_ADDR + 0x0c)
#define FLASH_F2_CR (FLASH_F2_REGS_ADDR + 0x10)
#define FLASH_F2_OPT_CR (FLASH_F2_REGS_ADDR + 0x14)
#define FLASH_F2_OPT_LOCK_BIT (1u << 0)
#define FLASH_F2_CR_STRT 16
#define FLASH_F2_CR_LOCK 31

#define FLASH_F2_CR_SER 1
#define FLASH_F2_CR_SNB 3
#define FLASH_F2_CR_SNB_MASK 0x78
#define FLASH_F2_SR_BSY 16

// STM32H7xx
#define FLASH_H7_CR_LOCK 0
#define FLASH_H7_CR_PG 1
#define FLASH_H7_CR_SER 2
#define FLASH_H7_CR_BER 3
#define FLASH_H7_CR_PSIZE 4
#define FLASH_H7_CR_START(chipid) (chipid == STM32_CHIPID_H7Ax ? 5 : 7)
#define FLASH_H7_CR_SNB 8
#define FLASH_H7_CR_SNB_MASK 0x700

#define FLASH_H7_SR_QW 2
#define FLASH_H7_SR_WRPERR 17
#define FLASH_H7_SR_PGSERR 18
#define FLASH_H7_SR_STRBERR 19
#define FLASH_H7_SR_ERROR_MASK \
((1 << FLASH_H7_SR_PGSERR) | (1 << FLASH_H7_SR_STRBERR) | \
(1 << FLASH_H7_SR_WRPERR))

#define FLASH_H7_OPTCR_OPTLOCK 0
#define FLASH_H7_OPTCR_OPTSTART 1
#define FLASH_H7_OPTCR_MER 4

#define FLASH_H7_OPTSR_OPT_BUSY 0
#define FLASH_H7_OPTSR_OPTCHANGEERR 30

#define FLASH_H7_OPTCCR_CLR_OPTCHANGEERR 30

#define FLASH_H7_REGS_ADDR ((uint32_t)0x52002000)
#define FLASH_H7_KEYR1 (FLASH_H7_REGS_ADDR + 0x04)
#define FLASH_H7_KEYR2 (FLASH_H7_REGS_ADDR + 0x104)
#define FLASH_H7_OPT_KEYR (FLASH_H7_REGS_ADDR + 0x08)
#define FLASH_H7_OPT_KEYR2 (FLASH_H7_REGS_ADDR + 0x108)
#define FLASH_H7_CR1 (FLASH_H7_REGS_ADDR + 0x0c)
#define FLASH_H7_CR2 (FLASH_H7_REGS_ADDR + 0x10c)
#define FLASH_H7_SR1 (FLASH_H7_REGS_ADDR + 0x10)
#define FLASH_H7_SR2 (FLASH_H7_REGS_ADDR + 0x110)
#define FLASH_H7_CCR1 (FLASH_H7_REGS_ADDR + 0x14)
#define FLASH_H7_CCR2 (FLASH_H7_REGS_ADDR + 0x114)
#define FLASH_H7_OPTCR (FLASH_H7_REGS_ADDR + 0x18)
#define FLASH_H7_OPTCR2 (FLASH_H7_REGS_ADDR + 0x118)
#define FLASH_H7_OPTSR_CUR (FLASH_H7_REGS_ADDR + 0x1c)
#define FLASH_H7_OPTCCR (FLASH_H7_REGS_ADDR + 0x24)

#define STM32F0_DBGMCU_CR 0xE0042004
#define STM32F0_DBGMCU_CR_IWDG_STOP 8
#define STM32F0_DBGMCU_CR_WWDG_STOP 9
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