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@@ -33,13 +33,14 @@
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#if ENABLED(SOFT_I2C_EEPROM)
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#include <SlowSoftWire.h>
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- SlowSoftWire Wire = SlowSoftWire(I2C_SDA_PIN, I2C_SCL_PIN, true);
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+ SlowSoftWire eWire = SlowSoftWire(I2C_SDA_PIN, I2C_SCL_PIN, true);
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#else
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#include <Wire.h>
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+ #define eWire Wire
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#endif
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void eeprom_init() {
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- Wire.begin(
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+ eWire.begin(
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#if PINS_EXIST(I2C_SCL, I2C_SDA) && DISABLED(SOFT_I2C_EEPROM)
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uint8_t(I2C_SDA_PIN), uint8_t(I2C_SCL_PIN)
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#endif
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@@ -75,16 +76,16 @@ static uint8_t _eeprom_calc_device_address(uint8_t * const pos) {
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static void _eeprom_begin(uint8_t * const pos) {
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const unsigned eeprom_address = (unsigned)pos;
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- Wire.beginTransmission(_eeprom_calc_device_address(pos));
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+ eWire.beginTransmission(_eeprom_calc_device_address(pos));
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if (!SMALL_EEPROM)
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- Wire.write(uint8_t((eeprom_address >> 8) & 0xFF)); // Address High, if needed
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- Wire.write(uint8_t(eeprom_address & 0xFF)); // Address Low
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+ eWire.write(uint8_t((eeprom_address >> 8) & 0xFF)); // Address High, if needed
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+ eWire.write(uint8_t(eeprom_address & 0xFF)); // Address Low
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}
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void eeprom_write_byte(uint8_t *pos, uint8_t value) {
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_eeprom_begin(pos);
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- Wire.write(value);
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- Wire.endTransmission();
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+ eWire.write(value);
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+ eWire.endTransmission();
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// wait for write cycle to complete
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// this could be done more efficiently with "acknowledge polling"
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@@ -93,9 +94,9 @@ void eeprom_write_byte(uint8_t *pos, uint8_t value) {
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uint8_t eeprom_read_byte(uint8_t *pos) {
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_eeprom_begin(pos);
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- Wire.endTransmission();
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- Wire.requestFrom(_eeprom_calc_device_address(pos), (byte)1);
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- return Wire.available() ? Wire.read() : 0xFF;
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+ eWire.endTransmission();
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+ eWire.requestFrom(_eeprom_calc_device_address(pos), (byte)1);
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+ return eWire.available() ? eWire.read() : 0xFF;
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}
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#endif // USE_SHARED_EEPROM
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