2020-11-05 13:05:19 +01:00
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#include <main.h>
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#include <spi.h>
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#include <eeprom.h>
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2020-11-04 23:46:55 +01:00
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#include <string.h>
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2020-11-05 14:38:10 +01:00
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#include <logger.h>
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2020-11-06 21:16:17 +01:00
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#include <mbusComm.h>
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2020-11-05 14:38:10 +01:00
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#include <PontCoopScheduler.h>
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2020-11-08 15:56:14 +01:00
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#include <utils.h>
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2020-11-04 23:46:55 +01:00
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#define HIGH GPIO_PIN_SET
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#define LOW GPIO_PIN_RESET
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2020-11-05 14:38:10 +01:00
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static const uint8_t EEPROM_READ = 0x03;
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static const uint8_t EEPROM_WRITE = 0x02;
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// static const uint8_t EEPROM_WRDI = 0x04;
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static const uint8_t EEPROM_WREN = 0x06;
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// static const uint8_t EEPROM_RDSR = 0x05;
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// static const uint8_t EEPROM_WRSR = 0x01;
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2020-11-04 23:46:55 +01:00
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2020-11-15 23:10:03 +01:00
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static const uint32_t EEPROM_MAGIC = 0xaffe0006;
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typedef union {
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struct __attribute__((__packed__)) s_eepromHeader {
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uint32_t magic;
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uint32_t writeCounter;
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uint8_t activeBlock;
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} s;
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uint8_t b[sizeof(struct s_eepromHeader)];
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} t_eepromHeader;
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static const uint16_t EEPROM_HEADER_ADDR = 0;
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static t_eepromHeader eepromHeader;
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typedef union {
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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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} s;
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uint8_t b[sizeof(struct s_deviceStats)];
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} t_deviceStats;
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static const uint16_t DEVICE_STATS_ADDR = 32;
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static t_deviceStats deviceStats;
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2020-11-06 21:16:17 +01:00
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static const uint8_t NUM_OF_BLOCKS = 2;
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static const uint16_t BLOCK_ADDR[] = { 64, 4128 };
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typedef union {
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struct __attribute__((__packed__)) s_spiMsg {
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uint8_t cmd;
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uint16_t addr;
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uint8_t data[32];
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} s;
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uint8_t b[sizeof(struct s_spiMsg)];
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} t_spiMsg;
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2020-11-05 14:38:10 +01:00
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2020-11-05 13:05:19 +01:00
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inline static void __EEPROM_CS(GPIO_PinState v) {
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HAL_GPIO_WritePin(EEPROM_CS_GPIO_Port, EEPROM_CS_Pin, v);
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}
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2020-11-05 22:14:08 +01:00
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static uint16_t swap(uint16_t i) {
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return ((i & 0x00ff) << 8) | ((i & 0xff00) >> 8);
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}
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void eepromWrite(uint16_t addr, uint8_t *buf, uint8_t len) {
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t_spiMsg msg = {
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.s.cmd = EEPROM_WRITE,
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.s.addr = swap(addr)
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};
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memcpy(msg.s.data, buf, len);
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2020-11-05 13:05:19 +01:00
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uint8_t writeEnable = EEPROM_WREN;
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__EEPROM_CS(LOW);
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HAL_SPI_Transmit(&eepromSpi, &writeEnable, 1, HAL_MAX_DELAY);
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__EEPROM_CS(HIGH);
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__EEPROM_CS(LOW);
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2020-11-05 17:27:04 +01:00
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HAL_SPI_Transmit(&eepromSpi, msg.b, ((uint16_t)(len+3)), HAL_MAX_DELAY);
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__EEPROM_CS(HIGH);
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}
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void eepromRead(uint16_t addr, uint8_t *buf, uint8_t len) {
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t_spiMsg txMsg = {
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.s.cmd = EEPROM_READ,
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.s.addr = swap(addr)
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};
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2020-11-05 13:05:19 +01:00
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t_spiMsg rxMsg;
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2020-11-05 17:58:41 +01:00
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2020-11-04 23:46:55 +01:00
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__EEPROM_CS(LOW);
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HAL_SPI_TransmitReceive(&eepromSpi, txMsg.b, rxMsg.b, ((uint16_t)(len+3)), HAL_MAX_DELAY);
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__EEPROM_CS(HIGH);
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memcpy(buf, rxMsg.s.data, len);
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}
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void eepromSpiTxCpltCallback(SPI_HandleTypeDef *hspi) {
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}
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static void eepromHourlyUpdateDeviceStats(void *handle) {
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deviceStats.s.totalRunningHours += 1;
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t_mbusCommStats *stats = mbusCommGetStats();
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deviceStats.s.totalRequests = stats->requestCnt;
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deviceStats.s.totalFailures = stats->errorCnt;
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logMsg("eeHUDS, about to write updated device stats");
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logMsg("eeHUDS, total powercycles so far: %d", deviceStats.s.totalPowercycles);
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logMsg("eeHUDS, total running hours so far: %d", deviceStats.s.totalRunningHours);
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logMsg("eeHUDS, total requests so far: %d", deviceStats.s.totalRequests);
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logMsg("eeHUDS, total failures so far: %d", deviceStats.s.totalFailures);
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2020-11-05 14:38:10 +01:00
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eepromWrite(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
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}
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2020-11-06 21:16:17 +01:00
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// active waiting, use only during initialization!
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static void eepromActiveDelay(uint8_t delay_ms) {
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activeDelay(delay_ms);
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}
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void eepromInit() {
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__EEPROM_CS(HIGH);
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logMsg("eeI, read header");
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eepromRead(EEPROM_HEADER_ADDR, eepromHeader.b, sizeof(eepromHeader));
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logMsg("eeI, magic: %08x", eepromHeader.s.magic);
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if (eepromHeader.s.magic != EEPROM_MAGIC) {
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logMsg("eeI, eeprom is uninitialized");
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deviceStats.s.totalPowercycles = 0;
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deviceStats.s.totalRunningHours = 0;
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deviceStats.s.totalRequests = 0;
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deviceStats.s.totalFailures = 0;
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logMsg("eeI, about to write device stats for the first time");
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eepromWrite(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
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eepromActiveDelay(7);
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uint8_t emptyBlock[32];
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memset(emptyBlock, 0, sizeof(emptyBlock));
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for (uint8_t i = 0; i < NUM_OF_BLOCKS; i++) {
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for (uint8_t j = 0; j <= 127; j++) {
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uint16_t addr = BLOCK_ADDR[i] + sizeof(emptyBlock) * j;
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eepromWrite(addr, emptyBlock, sizeof(emptyBlock));
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eepromActiveDelay(7);
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}
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}
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2020-11-17 12:01:15 +01:00
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logMsg("eeI, storage blocks initialized");
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eepromHeader.s.magic = EEPROM_MAGIC;
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eepromHeader.s.activeBlock = 0;
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eepromHeader.s.writeCounter = 1;
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2020-11-17 12:01:15 +01:00
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logMsg("eeI, about to write header for the first time");
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2020-11-05 14:38:10 +01:00
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eepromWrite(EEPROM_HEADER_ADDR, eepromHeader.b, sizeof(eepromHeader));
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eepromActiveDelay(7);
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logMsg("eeI, eeprom has been initialized");
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} else {
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logMsg("eeI, eeprom is initialized");
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}
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2020-11-17 12:01:15 +01:00
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logMsg("eeI, about to read device stats");
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2020-11-05 14:38:10 +01:00
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eepromRead(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
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2020-11-17 12:01:15 +01:00
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logMsg("eeI, total powercycles so far: %d", deviceStats.s.totalPowercycles);
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logMsg("eeI, total running hours so far: %d", deviceStats.s.totalRunningHours);
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logMsg("eeI, total requests so far: %d", deviceStats.s.totalRequests);
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logMsg("eeI, total failures so far: %d", deviceStats.s.totalFailures);
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2020-11-05 14:38:10 +01:00
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2020-11-06 21:16:17 +01:00
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t_mbusCommStats stats = { .requestCnt = deviceStats.s.totalRequests, .errorCnt = deviceStats.s.totalFailures};
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mbusCommSetStats(stats);
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2020-11-05 14:38:10 +01:00
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deviceStats.s.totalPowercycles += 1;
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2020-11-17 12:01:15 +01:00
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logMsg("eeI, about to write device stats with updated power cycles counter");
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2020-11-05 14:38:10 +01:00
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eepromWrite(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
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2020-11-06 21:16:17 +01:00
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eepromActiveDelay(7);
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2020-11-05 14:38:10 +01:00
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2020-11-06 21:16:17 +01:00
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schAdd(eepromHourlyUpdateDeviceStats, NULL, 0, 60 * 60 * 1000);
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2020-11-17 12:01:15 +01:00
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logMsg("eeI, hourly device stats update scheduled");
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2020-11-05 14:50:55 +01:00
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}
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