blackbox/driver/adc.h@7d4c0c816465 (annotated)
blackbox/driver/adc.h
Wed, 23 Nov 2011 14:22:28 +0100
- author
- Malte Bayer <mbayer@neo-soft.org>
- date
- Wed, 23 Nov 2011 14:22:28 +0100
- changeset 15
- 7d4c0c816465
- parent 0
- 9b7de464f0ea
- permissions
- -rw-r--r--
done working car id measurement via short-blocking function call (slot1-4 for now)
|
0
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
1 | #ifndef _ADC_H__ |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
2 | #define _ADC_H__ |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
3 | #include <stdint.h> |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
4 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
5 | // Functions to access the ADC |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
6 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
7 | // We have two implementations: |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
8 | // MCP3204.c and internal_ADC.c |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
9 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
10 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
11 | // get a sample from ADC chip. |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
12 | uint16_t getADC(int channel); |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
13 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
14 | // initialize the ADC chip |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
15 | void initADC(void); |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
16 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
17 | // select reference |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
18 | // returns 1 on success |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
19 | uint8_t setAREF(char* name); |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
20 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
21 | #ifdef EXT_AREF |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
22 | // get current reference voltage |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
23 | float getAREF(void); |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
24 | #endif |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
25 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
26 | // get smoothed adc readings |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
27 | uint16_t getADC_smooth(uint8_t channel, uint8_t samples); |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
28 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
29 | |
|
9b7de464f0ea
initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
|
30 | #endif // _ADC_H__ |
