Wire: if we are reading only one byte, do not send empty read command

Author: me-no-dev

cores/esp32/esp32-hal-i2c.c

@@ -267,9 +267,17 @@ i2c_err_t i2cRead(i2c_t * i2c, uint16_t address, bool addr_10bit, uint8_t * data
  i2cResetFiFo(i2c);
  }
 
- i2cSetCmd(i2c, cmdIdx++, I2C_CMD_READ, willRead, false, false, false);
- if((len - willRead) > 1) {
- i2cSetCmd(i2c, cmdIdx++, I2C_CMD_END, 0, false, false, false);
+ if(willRead){
+ i2cSetCmd(i2c, cmdIdx++, I2C_CMD_READ, willRead, false, false, false);
+ if((len - willRead) > 1) {
+ i2cSetCmd(i2c, cmdIdx++, I2C_CMD_END, 0, false, false, false);
+ } else {
+ willRead++;
+ i2cSetCmd(i2c, cmdIdx++, I2C_CMD_READ, 1, true, false, false);
+ if(sendStop) {
+ i2cSetCmd(i2c, cmdIdx++, I2C_CMD_STOP, 0, false, false, false);
+ }
+ }
  } else {
  willRead++;
  i2cSetCmd(i2c, cmdIdx++, I2C_CMD_READ, 1, true, false, false);