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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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