Interface to the AD-converter of the ATmega32, which allows to query the potentiometer and the photosensor of the board.
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Files |
file | adc.h |
Enumerations |
enum | ADCDEV { PHOTO = 0,
POTI = 1
} |
| device ids of available periphery connected to ADC channels.
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|
Functions |
int16_t | sb_adc_read (ADCDEV dev) |
| perform a 10-bit A/D conversion for a specific channel/device.
|
Detailed Description
Interface to the AD-converter of the ATmega32, which allows to query the potentiometer and the photosensor of the board.
Enumeration Type Documentation
device ids of available periphery connected to ADC channels.
- Enumerator:
PHOTO |
the photosensor (brighter ambience yields higher numbers)
|
POTI |
the potentiometer (rotation towards LEDs yields higher numbers)
|
Function Documentation
int16_t sb_adc_read |
( |
ADCDEV |
dev |
) |
|
perform a 10-bit A/D conversion for a specific channel/device.
- Parameters:
-
| dev | id of a device connected to the ADC |
- Return values:
-
| >0 | 10-bit result of the conversion |
| -1 | invalid device id |