gyro and accelerometer problems

[Kevin Watson]

Originally Posted by Abwehr

Put in some printf's in the ADC interrupt handler to make sure the analog input is updating.

Because printf() is a big chunk of code to execute in an ISR, it's probably better to just stuff an ASCII character directly into the serial port output queue, as described here.

-Kevin

[paulcd2000]

OK! so! i think i figured out the problem! it was probably the combination of
A: the gyro being plugged into the wrong port (curse you electrical people!), and B: the fact that i hadn't called Process_Gyro_Data() from Disabled_Spin()

[paulcd2000]

OK! so now it isn't working! I've called several print statements and writing chars. all the appropriate pieces get called, but the value of:

temp_gyro_rate = (int)Get_ADC_Result(GYRO_CHANNEL) - gyro_bias;

is always zero, even when we're turning the robot. i've ensured that the number of ADC channels is greater than the number of our channel.

the gyro rate is generally around 30 or -31, but jumps around between these, even though the robot is still during calibration, and these don't change when i'm rotating the robot

i'm completely stumped... could we need a new gyro?