diff options
Diffstat (limited to 'tmk_core/common/chibios')
| -rw-r--r-- | tmk_core/common/chibios/eeprom_stm32.c | 110 | ||||
| -rw-r--r-- | tmk_core/common/chibios/eeprom_stm32_defs.h | 61 |
2 files changed, 98 insertions, 73 deletions
diff --git a/tmk_core/common/chibios/eeprom_stm32.c b/tmk_core/common/chibios/eeprom_stm32.c index 64d7d79ba0..1fdf8c1e29 100644 --- a/tmk_core/common/chibios/eeprom_stm32.c +++ b/tmk_core/common/chibios/eeprom_stm32.c @@ -51,13 +51,13 @@ * * The following configuration defines can be set: * - * FEE_DENSITY_PAGES # Total number of pages to use for eeprom simulation (Compact + Write log) - * FEE_DENSITY_BYTES # Size of simulated eeprom. (Defaults to half the space allocated by FEE_DENSITY_PAGES) + * FEE_PAGE_COUNT # Total number of pages to use for eeprom simulation (Compact + Write log) + * FEE_DENSITY_BYTES # Size of simulated eeprom. (Defaults to half the space allocated by FEE_PAGE_COUNT) * NOTE: The current implementation does not include page swapping, * and FEE_DENSITY_BYTES will consume that amount of RAM as a cached view of actual EEPROM contents. * * The maximum size of FEE_DENSITY_BYTES is currently 16384. The write log size equals - * FEE_DENSITY_PAGES * FEE_PAGE_SIZE - FEE_DENSITY_BYTES. + * FEE_PAGE_COUNT * FEE_PAGE_SIZE - FEE_DENSITY_BYTES. * The larger the write log, the less frequently the compacted area needs to be rewritten. * * @@ -132,6 +132,11 @@ * */ +#include "eeprom_stm32_defs.h" +#if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT) || !defined(FEE_MCU_FLASH_SIZE) || !defined(FEE_PAGE_BASE_ADDRESS) +# error "not implemented." +#endif + /* These bits are used for optimizing encoding of bytes, 0 and 1 */ #define FEE_WORD_ENCODING 0x8000 #define FEE_VALUE_NEXT 0x6000 @@ -139,65 +144,19 @@ #define FEE_VALUE_ENCODED 0x2000 #define FEE_BYTE_RANGE 0x80 -// HACK ALERT. This definition may not match your processor -// To Do. Work out correct value for EEPROM_PAGE_SIZE on the STM32F103CT6 etc -#if defined(EEPROM_EMU_STM32F303xC) -# define MCU_STM32F303CC -#elif defined(EEPROM_EMU_STM32F103xB) -# define MCU_STM32F103RB -#elif defined(EEPROM_EMU_STM32F072xB) -# define MCU_STM32F072CB -#elif defined(EEPROM_EMU_STM32F042x6) -# define MCU_STM32F042K6 -#elif !defined(FEE_PAGE_SIZE) || !defined(FEE_DENSITY_PAGES) || !defined(FEE_MCU_FLASH_SIZE) -# error "not implemented." -#endif - -#if !defined(FEE_PAGE_SIZE) || !defined(FEE_DENSITY_PAGES) -# if defined(MCU_STM32F103RB) || defined(MCU_STM32F042K6) -# ifndef FEE_PAGE_SIZE -# define FEE_PAGE_SIZE 0x400 // Page size = 1KByte -# endif -# ifndef FEE_DENSITY_PAGES -# define FEE_DENSITY_PAGES 2 // How many pages are used -# endif -# elif defined(MCU_STM32F103ZE) || defined(MCU_STM32F103RE) || defined(MCU_STM32F103RD) || defined(MCU_STM32F303CC) || defined(MCU_STM32F072CB) -# ifndef FEE_PAGE_SIZE -# define FEE_PAGE_SIZE 0x800 // Page size = 2KByte -# endif -# ifndef FEE_DENSITY_PAGES -# define FEE_DENSITY_PAGES 4 // How many pages are used -# endif -# else -# error "No MCU type specified. Add something like -DMCU_STM32F103RB to your compiler arguments (probably in a Makefile)." -# endif -#endif +/* Addressable range 16KByte: 0 <-> (0x1FFF << 1) */ +#define FEE_ADDRESS_MAX_SIZE 0x4000 -#ifndef FEE_MCU_FLASH_SIZE -# if defined(MCU_STM32F103RB) || defined(MCU_STM32F072CB) -# define FEE_MCU_FLASH_SIZE 128 // Size in Kb -# elif defined(MCU_STM32F042K6) -# define FEE_MCU_FLASH_SIZE 32 // Size in Kb -# elif defined(MCU_STM32F103ZE) || defined(MCU_STM32F103RE) -# define FEE_MCU_FLASH_SIZE 512 // Size in Kb -# elif defined(MCU_STM32F103RD) -# define FEE_MCU_FLASH_SIZE 384 // Size in Kb -# elif defined(MCU_STM32F303CC) -# define FEE_MCU_FLASH_SIZE 256 // Size in Kb -# else -# error "No MCU type specified. Add something like -DMCU_STM32F103RB to your compiler arguments (probably in a Makefile)." -# endif -#endif +/* Flash word value after erase */ +#define FEE_EMPTY_WORD ((uint16_t)0xFFFF) /* Size of combined compacted eeprom and write log pages */ -#define FEE_DENSITY_MAX_SIZE (FEE_DENSITY_PAGES * FEE_PAGE_SIZE) -/* Addressable range 16KByte: 0 <-> (0x1FFF << 1) */ -#define FEE_ADDRESS_MAX_SIZE 0x4000 +#define FEE_DENSITY_MAX_SIZE (FEE_PAGE_COUNT * FEE_PAGE_SIZE) -#ifndef EEPROM_START_ADDRESS /* *TODO: Get rid of this check */ +#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_PAGES is greater than available flash size +# error emulated eeprom: FEE_DENSITY_MAX_SIZE is greater than available flash size # endif #endif @@ -220,27 +179,32 @@ # endif #else /* Default to half of allocated space used for emulated eeprom, half for write log */ -# define FEE_DENSITY_BYTES (FEE_DENSITY_PAGES * FEE_PAGE_SIZE / 2) +# define FEE_DENSITY_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE / 2) #endif /* Size of write log */ -#define FEE_WRITE_LOG_BYTES (FEE_DENSITY_PAGES * FEE_PAGE_SIZE - FEE_DENSITY_BYTES) +#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 */ -#ifndef FEE_FLASH_BASE -# define FEE_FLASH_BASE 0x8000000 -#endif -#define FEE_PAGE_BASE_ADDRESS ((uintptr_t)(FEE_FLASH_BASE) + FEE_MCU_FLASH_SIZE * 1024 - FEE_WRITE_LOG_BYTES - FEE_DENSITY_BYTES) +#define FEE_COMPACTED_BASE_ADDRESS FEE_PAGE_BASE_ADDRESS /* End of the emulated eeprom compacted flash area */ -#define FEE_PAGE_LAST_ADDRESS (FEE_PAGE_BASE_ADDRESS + FEE_DENSITY_BYTES) +#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_PAGE_LAST_ADDRESS +#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) -/* Flash word value after erase */ -#define FEE_EMPTY_WORD ((uint16_t)0xFFFF) - #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 @@ -313,9 +277,9 @@ void print_eeprom(void) { uint16_t EEPROM_Init(void) { /* Load emulated eeprom contents from compacted flash into memory */ - uint16_t *src = (uint16_t *)FEE_PAGE_BASE_ADDRESS; + uint16_t *src = (uint16_t *)FEE_COMPACTED_BASE_ADDRESS; uint16_t *dest = (uint16_t *)DataBuf; - for (; src < (uint16_t *)FEE_PAGE_LAST_ADDRESS; ++src, ++dest) { + for (; src < (uint16_t *)FEE_COMPACTED_LAST_ADDRESS; ++src, ++dest) { *dest = ~*src; } @@ -390,7 +354,7 @@ uint16_t EEPROM_Init(void) { static void eeprom_clear(void) { FLASH_Unlock(); - for (uint16_t page_num = 0; page_num < FEE_DENSITY_PAGES; ++page_num) { + for (uint16_t page_num = 0; page_num < FEE_PAGE_COUNT; ++page_num) { eeprom_printf("FLASH_ErasePage(0x%04x)\n", (uint32_t)(FEE_PAGE_BASE_ADDRESS + (page_num * FEE_PAGE_SIZE))); FLASH_ErasePage(FEE_PAGE_BASE_ADDRESS + (page_num * FEE_PAGE_SIZE)); } @@ -421,9 +385,9 @@ static uint8_t eeprom_compact(void) { /* Write emulated eeprom contents from memory to compacted flash */ uint16_t *src = (uint16_t *)DataBuf; - uintptr_t dest = FEE_PAGE_BASE_ADDRESS; + uintptr_t dest = FEE_COMPACTED_BASE_ADDRESS; uint16_t value; - for (; dest < FEE_PAGE_LAST_ADDRESS; ++src, dest += 2) { + for (; dest < FEE_COMPACTED_LAST_ADDRESS; ++src, dest += 2) { value = *src; if (value) { eeprom_printf("FLASH_ProgramHalfWord(0x%04x, 0x%04x)\n", (uint32_t)dest, ~value); @@ -444,7 +408,7 @@ static uint8_t eeprom_compact(void) { static uint8_t eeprom_write_direct_entry(uint16_t Address) { /* Check if we can just write this directly to the compacted flash area */ - uintptr_t directAddress = FEE_PAGE_BASE_ADDRESS + (Address & 0xFFFE); + uintptr_t directAddress = FEE_COMPACTED_BASE_ADDRESS + (Address & 0xFFFE); if (*(uint16_t *)directAddress == FEE_EMPTY_WORD) { /* Write the value directly to the compacted area without a log entry */ uint16_t value = ~*(uint16_t *)(&DataBuf[Address & 0xFFFE]); diff --git a/tmk_core/common/chibios/eeprom_stm32_defs.h b/tmk_core/common/chibios/eeprom_stm32_defs.h new file mode 100644 index 0000000000..a775ec201a --- /dev/null +++ b/tmk_core/common/chibios/eeprom_stm32_defs.h @@ -0,0 +1,61 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#pragma once + +#include <hal.h> + +#if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT) +# if defined(STM32F103xB) || defined(STM32F042x6) +# ifndef FEE_PAGE_SIZE +# define FEE_PAGE_SIZE 0x400 // Page size = 1KByte +# endif +# ifndef FEE_PAGE_COUNT +# define FEE_PAGE_COUNT 2 // How many pages are used +# endif +# elif defined(STM32F103xE) || defined(STM32F303xC) || defined(STM32F072xB) +# ifndef FEE_PAGE_SIZE +# define FEE_PAGE_SIZE 0x800 // Page size = 2KByte +# endif +# ifndef FEE_PAGE_COUNT +# define FEE_PAGE_COUNT 4 // 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 +# elif defined(STM32F103xB) || defined(STM32F072xB) +# define FEE_MCU_FLASH_SIZE 128 // Size in Kb +# elif defined(STM32F303xC) +# define FEE_MCU_FLASH_SIZE 256 // Size in Kb +# elif defined(STM32F103xE) +# define FEE_MCU_FLASH_SIZE 512 // Size in Kb +# endif +#endif + +/* Start of the emulated eeprom */ +#if !defined(FEE_PAGE_BASE_ADDRESS) +# if 0 +/* TODO: Add support for F4 */ +# else +# ifndef FEE_FLASH_BASE +# define FEE_FLASH_BASE 0x8000000 +# endif +/* Default to end of flash */ +# define FEE_PAGE_BASE_ADDRESS ((uintptr_t)(FEE_FLASH_BASE) + FEE_MCU_FLASH_SIZE * 1024 - (FEE_PAGE_COUNT * FEE_PAGE_SIZE)) +# endif +#endif |