Makefile targets related to various readouts

MPU6050.h

@@ -5,7 +5,11 @@
 
 // MPU-6050 register addresses
 #define MPU6050_REG_ACCEL_XOUT_H 0x3B
+#define MPU6050_REG_ACCEL_XOUT_L 0x3C
 #define MPU6050_REG_GYRO_XOUT_H 0x43
+#define MPU6050_REG_GYRO_XOUT_L 0x44
+#define MPU6050_TEMP_OUT_H 0x41
+#define MPU6050_TEMP_OUT_L 0x42
 #define MPU6050_REG_PWR_MGMT_1 0x6B
 
 #include <stdint.h>

README.md

@@ -1,8 +1,11 @@
 # AVR Playground
 
-See [AVR i2c library](https://github.com/Sovichea/avr-i2c-library).
+See:
 
-[QEMU AVR Docs](https://www.qemu.org/docs/master/system/target-avr.html)
+- [AVR i2c library](https://github.com/Sovichea/avr-i2c-library).
+- [MPU-6000/6050 Datasheet](https://www.invensense.com/wp-content/uploads/2015/02/MPU-6000-Datasheet1.pdf)
+- [MPU-6000/6050 Register Map](https://www.invensense.com/wp-content/uploads/2015/02/MPU-6000-Register-Map1.pdf)
+- [QEMU AVR Docs](https://www.qemu.org/docs/master/system/target-avr.html)
 
 ```bash
 sudo dnf install avr-binutils avr-libc avr-gcc avr-gcc-c++ avrdude qemu-system-avr

makefile

@@ -70,4 +70,15 @@ size: $(TARGET).hex
 
 # Reset target
 reset:
-	avrdude -p $(MCU) -c $(PROGRAMMER) -E reset
+	avrdude -p $(MCU) -c $(PROGRAMMER) -E reset
+
+read-flash:
+	avrdude -p $(MCU) -c $(PROGRAMMER) -U flash:r:flash.hex:i
+
+read-eeprom:
+	avrdude -p $(MCU) -c $(PROGRAMMER) -U eeprom:r:eeprom.hex:i
+
+read-fuses:
+	avrdude -p $(MCU) -c $(PROGRAMMER) -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h
+
+.PHONY: all clean flash qemu asm serial reset read-flash read-eeprom size