Default EEPROM implementation should be transient when not implemented. Removed the equivalent eeprom_teensy fallback. (#16020)
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8f22819d47
2 changed files with 17 additions and 60 deletions
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@ -158,47 +158,61 @@ ifeq ($(filter $(EEPROM_DRIVER),$(VALID_EEPROM_DRIVER_TYPES)),)
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else
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OPT_DEFS += -DEEPROM_ENABLE
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ifeq ($(strip $(EEPROM_DRIVER)), custom)
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# Custom EEPROM implementation -- only needs to implement init/erase/read_block/write_block
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OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_CUSTOM
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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SRC += eeprom_driver.c
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else ifeq ($(strip $(EEPROM_DRIVER)), i2c)
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# External I2C EEPROM implementation
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OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_I2C
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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QUANTUM_LIB_SRC += i2c_master.c
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SRC += eeprom_driver.c eeprom_i2c.c
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else ifeq ($(strip $(EEPROM_DRIVER)), spi)
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# External SPI EEPROM implementation
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OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_SPI
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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QUANTUM_LIB_SRC += spi_master.c
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SRC += eeprom_driver.c eeprom_spi.c
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else ifeq ($(strip $(EEPROM_DRIVER)), transient)
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# Transient EEPROM implementation -- no data storage but provides runtime area for it
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OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_TRANSIENT
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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SRC += eeprom_driver.c eeprom_transient.c
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else ifeq ($(strip $(EEPROM_DRIVER)), vendor)
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# Vendor-implemented EEPROM
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OPT_DEFS += -DEEPROM_VENDOR
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ifeq ($(PLATFORM),AVR)
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# Automatically provided by avr-libc, nothing required
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else ifeq ($(PLATFORM),CHIBIOS)
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ifneq ($(filter STM32F3xx_% STM32F1xx_% %_STM32F401xC %_STM32F401xE %_STM32F405xG %_STM32F411xE %_STM32F072xB %_STM32F042x6 %_GD32VF103xB %_GD32VF103x8, $(MCU_SERIES)_$(MCU_LDSCRIPT)),)
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# Emulated EEPROM
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OPT_DEFS += -DEEPROM_DRIVER
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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SRC += eeprom_driver.c
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SRC += $(PLATFORM_COMMON_DIR)/eeprom_stm32.c
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SRC += $(PLATFORM_COMMON_DIR)/flash_stm32.c
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else ifneq ($(filter $(MCU_SERIES),STM32L0xx STM32L1xx),)
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# True EEPROM on STM32L0xx, L1xx
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OPT_DEFS += -DEEPROM_DRIVER
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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COMMON_VPATH += $(PLATFORM_PATH)/$(PLATFORM_KEY)/$(DRIVER_DIR)/eeprom
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SRC += eeprom_driver.c
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SRC += eeprom_stm32_L0_L1.c
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else ifneq ($(filter $(MCU_SERIES),KL2x K20x),)
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# Teensy EEPROM implementations
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SRC += eeprom_teensy.c
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else
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# This will effectively work the same as "transient" if not supported by the chip
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SRC += $(PLATFORM_COMMON_DIR)/eeprom_teensy.c
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# Fall back to transient, i.e. non-persistent
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OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_TRANSIENT
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COMMON_VPATH += $(DRIVER_PATH)/eeprom
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SRC += eeprom_driver.c eeprom_transient.c
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endif
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else ifeq ($(PLATFORM),ARM_ATSAM)
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# arm_atsam EEPROM
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SRC += $(PLATFORM_COMMON_DIR)/eeprom.c
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else ifeq ($(PLATFORM),TEST)
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# Test harness "EEPROM"
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SRC += $(PLATFORM_COMMON_DIR)/eeprom.c
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endif
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endif
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@ -524,64 +524,7 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) {
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}
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#else
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// No EEPROM supported, so emulate it
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# ifndef EEPROM_SIZE
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# include "eeconfig.h"
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# define EEPROM_SIZE (((EECONFIG_SIZE + 3) / 4) * 4) // based off eeconfig's current usage, aligned to 4-byte sizes, to deal with LTO
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# endif
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__attribute__((aligned(4))) static uint8_t buffer[EEPROM_SIZE];
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uint8_t eeprom_read_byte(const uint8_t *addr) {
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uint32_t offset = (uint32_t)addr;
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return buffer[offset];
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}
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void eeprom_write_byte(uint8_t *addr, uint8_t value) {
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uint32_t offset = (uint32_t)addr;
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buffer[offset] = value;
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}
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uint16_t eeprom_read_word(const uint16_t *addr) {
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const uint8_t *p = (const uint8_t *)addr;
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return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8);
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}
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uint32_t eeprom_read_dword(const uint32_t *addr) {
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const uint8_t *p = (const uint8_t *)addr;
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return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8) | (eeprom_read_byte(p + 2) << 16) | (eeprom_read_byte(p + 3) << 24);
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}
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void eeprom_read_block(void *buf, const void *addr, size_t len) {
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const uint8_t *p = (const uint8_t *)addr;
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uint8_t * dest = (uint8_t *)buf;
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while (len--) {
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*dest++ = eeprom_read_byte(p++);
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}
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}
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void eeprom_write_word(uint16_t *addr, uint16_t value) {
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uint8_t *p = (uint8_t *)addr;
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eeprom_write_byte(p++, value);
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eeprom_write_byte(p, value >> 8);
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}
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void eeprom_write_dword(uint32_t *addr, uint32_t value) {
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uint8_t *p = (uint8_t *)addr;
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eeprom_write_byte(p++, value);
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eeprom_write_byte(p++, value >> 8);
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eeprom_write_byte(p++, value >> 16);
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eeprom_write_byte(p, value >> 24);
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}
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void eeprom_write_block(const void *buf, void *addr, size_t len) {
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uint8_t * p = (uint8_t *)addr;
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const uint8_t *src = (const uint8_t *)buf;
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while (len--) {
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eeprom_write_byte(p++, *src++);
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}
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}
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# error Unsupported Teensy EEPROM.
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#endif /* chip selection */
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// The update functions just calls write for now, but could probably be optimized
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