Correct code writing single bytes to flash (#644)

nanoframework · Mar 13, 2018 · f7d7917 · f7d7917
1 parent 4683372
commit f7d7917
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/targets/CMSIS-OS/ChibiOS/nf-overlay/os/hal/ports/STM32/LLD/FLASHv1/flash_lld.c b/targets/CMSIS-OS/ChibiOS/nf-overlay/os/hal/ports/STM32/LLD/FLASHv1/flash_lld.c
@@ -100,8 +100,8 @@ int flash_lld_write(uint32_t startAddress, uint32_t length, const uint8_t* buffe
             }
             else
             {
-                // program single byte 
-                *cursor = *buffer++;
+                // program single byte
+                *((__IO uint8_t*)cursor++) = *((uint8_t*)buffer);
             }
 
             // wait for program operation to be completed 

diff --git a/targets/CMSIS-OS/ChibiOS/nf-overlay/os/hal/ports/STM32/LLD/FLASHv2/flash_lld.c b/targets/CMSIS-OS/ChibiOS/nf-overlay/os/hal/ports/STM32/LLD/FLASHv2/flash_lld.c
@@ -196,7 +196,7 @@ int flash_lld_write(uint32_t startAddress, uint32_t length, const uint8_t* buffe
                 // proceed to program the flash by setting the PG Bit
                 SET_BIT(FLASH->CR, FLASH_CR_PG);
 
-                *cursor = *buffer++;
+                *((__IO uint8_t*)cursor++) = *((uint8_t*)buffer);
 
 #if defined(STM32F756xx) || defined(STM32F746xx) || defined(STM32F745xx) || defined(STM32F767xx) || \
     defined(STM32F769xx) || defined(STM32F777xx) || defined(STM32F779xx) || defined(STM32F722xx) || \

diff --git a/targets/CMSIS-OS/ChibiOS/nf-overlay/os/hal/ports/STM32/LLD/FLASHv3/flash_lld.c b/targets/CMSIS-OS/ChibiOS/nf-overlay/os/hal/ports/STM32/LLD/FLASHv3/flash_lld.c
@@ -157,8 +157,8 @@ int flash_lld_write(uint32_t startAddress, uint32_t length, const uint8_t* buffe
                 }
                 else
                 {
-                    // program single byte 
-                    *cursor = *buffer++;
+                    // program single byte
+                    *((__IO uint8_t*)cursor++) = *((uint8_t*)buffer);
                 }
             }
         }