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@ -44,12 +44,12 @@ uint8_t eeprom_read_byte(uint8_t* pos) { |
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eeprom_temp[0] = CMD_READ; |
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eeprom_temp[1] = ((unsigned)pos>>8) & 0xFF; // addr High
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eeprom_temp[2] = (unsigned)pos& 0xFF; // addr Low
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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digitalWrite(SPI_EEPROM1_CS, LOW); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, LOW); |
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spiSend(SPI_CHAN_EEPROM1, eeprom_temp, 3); |
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v = spiRec(SPI_CHAN_EEPROM1); |
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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return v; |
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} |
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@ -62,14 +62,14 @@ void eeprom_read_block(void* dest, const void* eeprom_address, size_t n) { |
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eeprom_temp[0] = CMD_READ; |
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eeprom_temp[1] = ((unsigned)eeprom_address>>8) & 0xFF; // addr High
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eeprom_temp[2] = (unsigned)eeprom_address& 0xFF; // addr Low
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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digitalWrite(SPI_EEPROM1_CS, LOW); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, LOW); |
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spiSend(SPI_CHAN_EEPROM1, eeprom_temp, 3); |
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uint8_t *p_dest = (uint8_t *)dest; |
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while (n--) |
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*p_dest++ = spiRec(SPI_CHAN_EEPROM1); |
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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} |
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void eeprom_write_byte(uint8_t* pos, uint8_t value) { |
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@ -77,20 +77,20 @@ void eeprom_write_byte(uint8_t* pos, uint8_t value) { |
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/*write enable*/ |
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eeprom_temp[0] = CMD_WREN; |
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digitalWrite(SPI_EEPROM1_CS, LOW); |
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WRITE(SPI_EEPROM1_CS, LOW); |
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spiSend(SPI_CHAN_EEPROM1, eeprom_temp, 1); |
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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delay(1); |
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/*write addr*/ |
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eeprom_temp[0] = CMD_WRITE; |
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eeprom_temp[1] = ((unsigned)pos>>8) & 0xFF; //addr High
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eeprom_temp[2] = (unsigned)pos & 0xFF; //addr Low
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digitalWrite(SPI_EEPROM1_CS, LOW); |
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WRITE(SPI_EEPROM1_CS, LOW); |
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spiSend(SPI_CHAN_EEPROM1, eeprom_temp, 3); |
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spiSend(SPI_CHAN_EEPROM1, value); |
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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delay(7); // wait for page write to complete
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} |
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@ -99,20 +99,20 @@ void eeprom_update_block(const void* src, void* eeprom_address, size_t n) { |
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/*write enable*/ |
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eeprom_temp[0] = CMD_WREN; |
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digitalWrite(SPI_EEPROM1_CS, LOW); |
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WRITE(SPI_EEPROM1_CS, LOW); |
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spiSend(SPI_CHAN_EEPROM1, eeprom_temp, 1); |
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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delay(1); |
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/*write addr*/ |
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eeprom_temp[0] = CMD_WRITE; |
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eeprom_temp[1] = ((unsigned)eeprom_address>>8) & 0xFF; //addr High
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eeprom_temp[2] = (unsigned)eeprom_address & 0xFF; //addr Low
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digitalWrite(SPI_EEPROM1_CS, LOW); |
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WRITE(SPI_EEPROM1_CS, LOW); |
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spiSend(SPI_CHAN_EEPROM1, eeprom_temp, 3); |
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spiSend(SPI_CHAN_EEPROM1, (const uint8_t*)src, n); |
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digitalWrite(SPI_EEPROM1_CS, HIGH); |
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WRITE(SPI_EEPROM1_CS, HIGH); |
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delay(7); // wait for page write to complete
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} |
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