stm32f1xx EEPROM emulation (#3914)

* * Add stm32f1xx EEPROM emulation
* Fix eeprom update compare bug

Squashed commit of the following:

commit b8f248ae08cec0cd81ecbb8854d9b39221d4d573
Author: hsgw <urkwtky@gmail.com>
Date:   Sat Sep 15 19:13:48 2018 +0900

    fix EEPROM_update wrong compare

commit d4ed4e6ea864e967a3e17f7edee4b0c3b4a25541
Author: hsgw <urkwtky@gmail.com>
Date:   Sat Sep 15 17:43:47 2018 +0900

    eeprom fix initialization define

commit b61aa7c04d70c64df3416d63e5da08b73b6053af
Author: hsgw <urkwtky@gmail.com>
Date:   Sat Sep 15 16:33:40 2018 +0900

    maybe working

* Fix FLASH_KEY defines
This commit is contained in:
Takuya Urakawa
2018-10-19 13:33:23 +09:00
committed by Jack Humbert
parent 8efe8b498d
commit f4094930a3
7 changed files with 42 additions and 21 deletions

View File

@ -10,7 +10,7 @@
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* This files are free to use from https://github.com/rogerclarkmelbourne/Arduino_STM32 and
* This files are free to use from https://github.com/rogerclarkmelbourne/Arduino_STM32 and
* https://github.com/leaflabs/libmaple
*
* Modifications for QMK and STM32F303 by Yiancar
@ -274,7 +274,7 @@ uint16_t EE_VerifyPageFullWriteVariable(uint16_t Address, uint16_t Data)
// Check each active page address starting from begining
for (idx = pageBase + 4; idx < pageEnd; idx += 4)
if ((*(__IO uint32_t*)idx) == 0xFFFFFFFF) // Verify if element
if ((*(__IO uint32_t*)idx) == 0xFFFFFFFF) // Verify if element
{ // contents are 0xFFFFFFFF
FlashStatus = FLASH_ProgramHalfWord(idx, Data); // Set variable data
if (FlashStatus != FLASH_COMPLETE)
@ -517,7 +517,7 @@ uint16_t EEPROM_read(uint16_t Address, uint16_t *Data)
// Get the valid Page end Address
pageEnd = pageBase + ((uint32_t)(PageSize - 2));
// Check each active page address starting from end
for (pageBase += 6; pageEnd >= pageBase; pageEnd -= 4)
if ((*(__IO uint16_t*)pageEnd) == Address) // Compare the read address with the virtual address
@ -574,7 +574,7 @@ uint16_t EEPROM_update(uint16_t Address, uint16_t Data)
{
uint16_t temp;
EEPROM_read(Address, &temp);
if (Address == Data)
if (temp == Data)
return EEPROM_SAME_VALUE;
else
return EEPROM_write(Address, Data);