51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
#ifndef EEPROM_H_
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#define EEPROM_H_
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#include <stdint.h>
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#include <spi.h>
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#include <config.h>
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#include <assert.h>
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#define EEPROM_WRITE_BLOCK_SIZE 32
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#define EEPROM_AFTER_WRITE_DELAY 7
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typedef struct __attribute__((__packed__)) s_eepromHeader {
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uint32_t magic;
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uint32_t writeCounter;
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} t_eepromHeader;
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static_assert((sizeof(t_eepromHeader) <= EEPROM_WRITE_BLOCK_SIZE), "t_eepromHeader has illegal size, must be less than or equal 32");
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typedef struct __attribute__((__packed__)) s_deviceStats {
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uint32_t totalRunningHours;
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uint32_t totalPowercycles;
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uint32_t totalRequests;
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uint32_t totalFailures;
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} t_deviceStats;
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static_assert((sizeof(t_deviceStats) <= EEPROM_WRITE_BLOCK_SIZE), "t_deviceStats has illegal size, must be less than or equal 32");
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static_assert((sizeof(t_configBlock) % 32 == 0), "t_configBlock has illegal size, must be dividable by 32");
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static_assert((sizeof(t_deviceBlock) % 32 == 0), "t_deviceBlock has illegal size, must be dividable by 32");
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#define EEPROM_BASE_ADDR 0
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#define EEPROM_DEVICE_STATS_ADDR 32
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#define EEPROM_CONFIG_BLOCK_ADDR 64
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#define EEPROM_DEVICE_BLOCK_BASE_ADDR (EEPROM_CONFIG_BLOCK_ADDR + sizeof(t_configBlock))
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void eepromInit();
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void eepromWrite(uint16_t addr, uint8_t *buf, uint8_t len);
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void eepromRead(uint16_t addr, uint8_t *buf, uint8_t len);
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void eepromSpiTxCpltCallback(SPI_HandleTypeDef *hspi);
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t_deviceStats* getGlobalDeviceStats();
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void eepromReadConfigBlock(t_configBlock *destConfigBlock);
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void eepromWriteConfigBlock(t_configBlock *srcConfigBlock);
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void eepromReadDeviceBlock(uint8_t blockNum, t_deviceBlock *destDeviceBlock);
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void eepromWriteDeviceBlock(uint8_t blockNum, t_deviceBlock *srcDeviceBlock);
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#endif /* EEPROM_H_ */
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