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Diffstat (limited to 'platforms/chibios/eeprom_stm32_defs.h')
-rw-r--r--platforms/chibios/eeprom_stm32_defs.h88
1 files changed, 75 insertions, 13 deletions
diff --git a/platforms/chibios/eeprom_stm32_defs.h b/platforms/chibios/eeprom_stm32_defs.h
index 66904f247f..a6ceb41355 100644
--- a/platforms/chibios/eeprom_stm32_defs.h
+++ b/platforms/chibios/eeprom_stm32_defs.h
@@ -20,41 +20,41 @@
#if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT)
# if defined(STM32F103xB) || defined(STM32F042x6) || defined(GD32VF103C8) || defined(GD32VF103CB)
# ifndef FEE_PAGE_SIZE
-# define FEE_PAGE_SIZE 0x400 // Page size = 1KByte
+# define FEE_PAGE_SIZE 0x400 // Page size = 1KByte
# endif
# ifndef FEE_PAGE_COUNT
-# define FEE_PAGE_COUNT 2 // How many pages are used
+# define FEE_PAGE_COUNT 2 // How many pages are used
# endif
# elif defined(STM32F103xE) || defined(STM32F303xC) || defined(STM32F072xB) || defined(STM32F070xB)
# ifndef FEE_PAGE_SIZE
-# define FEE_PAGE_SIZE 0x800 // Page size = 2KByte
+# define FEE_PAGE_SIZE 0x800 // Page size = 2KByte
# endif
# ifndef FEE_PAGE_COUNT
-# define FEE_PAGE_COUNT 4 // How many pages are used
+# define FEE_PAGE_COUNT 4 // How many pages are used
# endif
# elif defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F405xG) || defined(STM32F411xE)
# ifndef FEE_PAGE_SIZE
-# define FEE_PAGE_SIZE 0x4000 // Page size = 16KByte
+# define FEE_PAGE_SIZE 0x4000 // Page size = 16KByte
# endif
# ifndef FEE_PAGE_COUNT
-# define FEE_PAGE_COUNT 1 // How many pages are used
+# define FEE_PAGE_COUNT 1 // How many pages are used
# endif
# endif
#endif
#if !defined(FEE_MCU_FLASH_SIZE)
# if defined(STM32F042x6)
-# define FEE_MCU_FLASH_SIZE 32 // Size in Kb
+# define FEE_MCU_FLASH_SIZE 32 // Size in Kb
# elif defined(GD32VF103C8)
-# define FEE_MCU_FLASH_SIZE 64 // Size in Kb
+# define FEE_MCU_FLASH_SIZE 64 // Size in Kb
# elif defined(STM32F103xB) || defined(STM32F072xB) || defined(STM32F070xB) || defined(GD32VF103CB)
-# define FEE_MCU_FLASH_SIZE 128 // Size in Kb
+# define FEE_MCU_FLASH_SIZE 128 // Size in Kb
# elif defined(STM32F303xC) || defined(STM32F401xC)
-# define FEE_MCU_FLASH_SIZE 256 // Size in Kb
+# define FEE_MCU_FLASH_SIZE 256 // Size in Kb
# elif defined(STM32F103xE) || defined(STM32F401xE) || defined(STM32F411xE)
-# define FEE_MCU_FLASH_SIZE 512 // Size in Kb
+# define FEE_MCU_FLASH_SIZE 512 // Size in Kb
# elif defined(STM32F405xG)
-# define FEE_MCU_FLASH_SIZE 1024 // Size in Kb
+# define FEE_MCU_FLASH_SIZE 1024 // Size in Kb
# endif
#endif
@@ -62,7 +62,7 @@
#if !defined(FEE_PAGE_BASE_ADDRESS)
# if defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F405xG) || defined(STM32F411xE)
# ifndef FEE_PAGE_BASE_ADDRESS
-# define FEE_PAGE_BASE_ADDRESS 0x08004000 // bodge to force 2nd 16k page
+# define FEE_PAGE_BASE_ADDRESS 0x08004000 // bodge to force 2nd 16k page
# endif
# else
# ifndef FEE_FLASH_BASE
@@ -72,3 +72,65 @@
# define FEE_PAGE_BASE_ADDRESS ((uintptr_t)(FEE_FLASH_BASE) + FEE_MCU_FLASH_SIZE * 1024 - (FEE_PAGE_COUNT * FEE_PAGE_SIZE))
# endif
#endif
+
+/* Addressable range 16KByte: 0 <-> (0x1FFF << 1) */
+#define FEE_ADDRESS_MAX_SIZE 0x4000
+
+/* Size of combined compacted eeprom and write log pages */
+#define FEE_DENSITY_MAX_SIZE (FEE_PAGE_COUNT * FEE_PAGE_SIZE)
+
+#ifndef FEE_MCU_FLASH_SIZE_IGNORE_CHECK /* *TODO: Get rid of this check */
+# if FEE_DENSITY_MAX_SIZE > (FEE_MCU_FLASH_SIZE * 1024)
+# pragma message STR(FEE_DENSITY_MAX_SIZE) " > " STR(FEE_MCU_FLASH_SIZE * 1024)
+# error emulated eeprom: FEE_DENSITY_MAX_SIZE is greater than available flash size
+# endif
+#endif
+
+/* Size of emulated eeprom */
+#ifdef FEE_DENSITY_BYTES
+# if (FEE_DENSITY_BYTES > FEE_DENSITY_MAX_SIZE)
+# pragma message STR(FEE_DENSITY_BYTES) " > " STR(FEE_DENSITY_MAX_SIZE)
+# error emulated eeprom: FEE_DENSITY_BYTES exceeds FEE_DENSITY_MAX_SIZE
+# endif
+# if (FEE_DENSITY_BYTES == FEE_DENSITY_MAX_SIZE)
+# pragma message STR(FEE_DENSITY_BYTES) " == " STR(FEE_DENSITY_MAX_SIZE)
+# warning emulated eeprom: FEE_DENSITY_BYTES leaves no room for a write log. This will greatly increase the flash wear rate!
+# endif
+# if FEE_DENSITY_BYTES > FEE_ADDRESS_MAX_SIZE
+# pragma message STR(FEE_DENSITY_BYTES) " > " STR(FEE_ADDRESS_MAX_SIZE)
+# error emulated eeprom: FEE_DENSITY_BYTES is greater than FEE_ADDRESS_MAX_SIZE allows
+# endif
+# if ((FEE_DENSITY_BYTES) % 2) == 1
+# error emulated eeprom: FEE_DENSITY_BYTES must be even
+# endif
+#else
+/* Default to half of allocated space used for emulated eeprom, half for write log */
+# define FEE_DENSITY_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE / 2)
+#endif
+
+/* Size of write log */
+#ifdef FEE_WRITE_LOG_BYTES
+# if ((FEE_DENSITY_BYTES + FEE_WRITE_LOG_BYTES) > FEE_DENSITY_MAX_SIZE)
+# pragma message STR(FEE_DENSITY_BYTES) " + " STR(FEE_WRITE_LOG_BYTES) " > " STR(FEE_DENSITY_MAX_SIZE)
+# error emulated eeprom: FEE_WRITE_LOG_BYTES exceeds remaining FEE_DENSITY_MAX_SIZE
+# endif
+# if ((FEE_WRITE_LOG_BYTES) % 2) == 1
+# error emulated eeprom: FEE_WRITE_LOG_BYTES must be even
+# endif
+#else
+/* Default to use all remaining space */
+# define FEE_WRITE_LOG_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE - FEE_DENSITY_BYTES)
+#endif
+
+/* Start of the emulated eeprom compacted flash area */
+#define FEE_COMPACTED_BASE_ADDRESS FEE_PAGE_BASE_ADDRESS
+/* End of the emulated eeprom compacted flash area */
+#define FEE_COMPACTED_LAST_ADDRESS (FEE_COMPACTED_BASE_ADDRESS + FEE_DENSITY_BYTES)
+/* Start of the emulated eeprom write log */
+#define FEE_WRITE_LOG_BASE_ADDRESS FEE_COMPACTED_LAST_ADDRESS
+/* End of the emulated eeprom write log */
+#define FEE_WRITE_LOG_LAST_ADDRESS (FEE_WRITE_LOG_BASE_ADDRESS + FEE_WRITE_LOG_BYTES)
+
+#if defined(DYNAMIC_KEYMAP_EEPROM_MAX_ADDR) && (DYNAMIC_KEYMAP_EEPROM_MAX_ADDR >= FEE_DENSITY_BYTES)
+# error emulated eeprom: DYNAMIC_KEYMAP_EEPROM_MAX_ADDR is greater than the FEE_DENSITY_BYTES available
+#endif