digital_gpio_mapping.h
1 #ifndef DIGITAL_MAPPING_H
2 #define DIGITAL_MAPPING_H
3 
4 #define NUM_DIGITALS 16
5 extern short int digitalPins[NUM_DIGITALS];
6 //GPIO_INPUT and GPIO_OUTPUT values when calling the setDigitalDirection() macro.
7 //TODO: these are inverted with respect to INPUT_PIN and OUTPUT_PIN defined in GPIOcontrol.h,
8 //which might lead to unexpected results in case someone uses those in place of these or viceversa
9 #define GPIO_INPUT 1
10 #define GPIO_OUTPUT 0
11 #define GPIO_HIGH 1
12 #define GPIO_LOW 0
13 //mapping GPIO numbers to header pins
14 //if you want to use different pins/ordering, define here new pins. The ordering here is NOT binding
15 #define P8_07_GPIO_NO 66
16 #define P8_08_GPIO_NO 67
17 #define P8_09_GPIO_NO 69
18 #define P8_10_GPIO_NO 68
19 #define P8_11_GPIO_NO 45
20 #define P8_12_GPIO_NO 44
21 #define P9_12_GPIO_NO 60
22 #define P9_14_GPIO_NO 50
23 #define P8_15_GPIO_NO 47
24 #define P8_16_GPIO_NO 46
25 #define P9_16_GPIO_NO 51
26 #define P8_18_GPIO_NO 65
27 #define P8_27_GPIO_NO 86
28 #define P8_28_GPIO_NO 88
29 #define P8_29_GPIO_NO 87
30 #define P8_30_GPIO_NO 89
31 
32 //mapping pin headers to bits in the digital word.
33 //used in the declaration of short int digitalPins[NUM_DIGITALS] below, which is used in PRU::prepareGPIO to export the pins
34 //if you want to use different pins, declare them above and use them here
35 //The ordering here is NOT binding, but if you want to use a different ordering, please change it here as well as below and in the PRU, for consistency
36 #define GPIO_NO_BIT_0 P8_07_GPIO_NO
37 #define GPIO_NO_BIT_1 P8_08_GPIO_NO
38 #define GPIO_NO_BIT_2 P8_09_GPIO_NO
39 #define GPIO_NO_BIT_3 P8_10_GPIO_NO
40 #define GPIO_NO_BIT_4 P8_11_GPIO_NO
41 #define GPIO_NO_BIT_5 P8_12_GPIO_NO
42 #define GPIO_NO_BIT_6 P9_12_GPIO_NO
43 #define GPIO_NO_BIT_7 P9_14_GPIO_NO
44 #define GPIO_NO_BIT_8 P8_15_GPIO_NO
45 #define GPIO_NO_BIT_9 P8_16_GPIO_NO
46 #define GPIO_NO_BIT_10 P9_16_GPIO_NO
47 #define GPIO_NO_BIT_11 P8_18_GPIO_NO
48 #define GPIO_NO_BIT_12 P8_27_GPIO_NO
49 #define GPIO_NO_BIT_13 P8_28_GPIO_NO
50 #define GPIO_NO_BIT_14 P8_29_GPIO_NO
51 #define GPIO_NO_BIT_15 P8_30_GPIO_NO
52 
53 //mapping bits in the digital word to pin headers, so that pin header name can be used instead of but number
54 //The ordering here IS binding. If you want to use different pins/ordering, please do it above as well as here and in the PRU, for consistency
55 #define P8_07 0
56 #define P8_08 1
57 #define P8_09 2
58 #define P8_10 3
59 #define P8_11 4
60 #define P8_12 5
61 #define P9_12 6
62 #define P9_14 7
63 #define P8_15 8
64 #define P8_16 9
65 #define P9_16 10
66 #define P8_18 11
67 #define P8_27 12
68 #define P8_28 13
69 #define P8_29 14
70 #define P8_30 15
71 
72 #endif