cleanup library includes, enable uart in CMakeLists

i2c/mpu6050_i2c/CMakeLists.txt

@@ -13,9 +13,9 @@ target_link_libraries(mpu6050_i2c MPU6050_i2c_pico_lib)
 
 # create map/bin/hex file etc.
 pico_add_extra_outputs(mpu6050_i2c)
-# enable usb output, disable uart output
+# enable usb and uart output
 pico_enable_stdio_usb(mpu6050_i2c 1)
-pico_enable_stdio_uart(mpu6050_i2c 0)
+pico_enable_stdio_uart(mpu6050_i2c 1)
 
 # add url via pico_set_program_url
 example_auto_set_url(mpu6050_i2c)
@@ -26,16 +26,14 @@ target_link_libraries(mpu6050_i2c_scale_test MPU6050_i2c_pico_cpp_lib)
 
 # create map/bin/hex file etc.
 pico_add_extra_outputs(mpu6050_i2c_scale_test)
-# enable usb output, disable uart output
 pico_enable_stdio_usb(mpu6050_i2c_scale_test 1)
-pico_enable_stdio_uart(mpu6050_i2c_scale_test 0)
+pico_enable_stdio_uart(mpu6050_i2c_scale_test 1)
 
 
 add_executable(mpu6050_i2c_irq mpu6050_i2c_irq_main.cpp)
 target_link_libraries(mpu6050_i2c_irq MPU6050_i2c_pico_cpp_lib)
 
 # create map/bin/hex file etc.
 pico_add_extra_outputs(mpu6050_i2c_irq)
-# enable usb output, disable uart output
 pico_enable_stdio_usb(mpu6050_i2c_irq 1)
-pico_enable_stdio_uart(mpu6050_i2c_irq 0)
+pico_enable_stdio_uart(mpu6050_i2c_irq 1)

i2c/mpu6050_i2c/mpu6050_i2c.c

@@ -4,11 +4,10 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <stdio.h>
-#include <string.h>
 #include <math.h>
-#include "pico/stdlib.h"
+#include <stdint.h>
 #include "pico/binary_info.h"
+#include "hardware/gpio.h"
 #include "hardware/i2c.h"
 #include "mpu6050_i2c.h"
 

i2c/mpu6050_i2c/mpu6050_i2c.h

@@ -1,6 +1,4 @@
-/* header for accessing mpu6050 functions in pico-examples
-
-Niraj Patel March 2022 */
+/* mpu6050 functions in pico-examples */
 #ifdef __cplusplus
 extern "C" {
 #endif