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stm32_common/flashpage: cleanup stm32l0/1

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- Since writes are performed per word no actions need
  to be performed for flash access, and the FPRG doesn't
  need to be cleared.
This commit is contained in:
francisco 2019-06-18 11:23:48 +02:00
parent 5e709edb31
commit 46b90134ad
1 changed files with 3 additions and 1 deletions
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4
cpu/stm32_common/periph/flashpage.c
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@ -38,7 +38,6 @@
#define CNTRL_REG (FLASH->PECR)
#define CNTRL_REG_LOCK (FLASH_PECR_PELOCK)
#define FLASH_CR_PER (FLASH_PECR_ERASE | FLASH_PECR_PROG)
#define FLASH_CR_PG (FLASH_PECR_FPRG | FLASH_PECR_PROG)
#define FLASHPAGE_DIV (4U) /* write 4 bytes in one go */
#else
#if defined(CPU_FAM_STM32L4)
@ -187,7 +186,10 @@ void flashpage_write_raw(void *target_addr, const void *data, size_t len)
}
/* clear program bit again */
#if defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F1) || \
defined(CPU_FAM_STM32L4)
CNTRL_REG &= ~(FLASH_CR_PG);
#endif
DEBUG("[flashpage_raw] write: done writing data\n");
/* lock the flash module again */