author | Tero Marttila <terom@paivola.fi> |
Sat, 07 Jun 2014 16:22:56 +0300 | |
changeset 95 | 478b9d0485aa |
parent 57 | ee412c5be8b1 |
permissions | -rw-r--r-- |
57
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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1 |
#define LED7_DDR DDRB |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
2 |
#define LED7_PORT PORTB |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
3 |
#define LED7_OE PORTB1 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
4 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
5 |
// common anode? |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
6 |
#define LED7_ANODE 0 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
7 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
8 |
#define LED7_OFFSET 0 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
9 |
#define LED7_COUNT 2 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
10 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
11 |
static const uint8_t LED7SEG_FONT[] = { |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
12 |
0b00111111, // 0 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
13 |
0b00000110, // 1 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
14 |
0b01011011, // 2 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
15 |
0b01001111, // 3 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
16 |
0b01100110, // 4 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
17 |
0b01101101, // 5 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
18 |
0b01111101, // 6 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
19 |
0b00000111, // 7 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
20 |
0b01111111, // 8 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
21 |
0b01100111, // 9 |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
22 |
0b01110111, // A |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
23 |
0b01111100, // B |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
24 |
0b00111001, // C |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
25 |
0b01011110, // D |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
26 |
0b01111001, // E |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
27 |
0b01110001, // F |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
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|
28 |
}; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
29 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
30 |
enum { |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
31 |
LED7SEG_DOT = 0b10000000, |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
32 |
}; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
33 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
34 |
void led7_init (void) |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
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|
35 |
{ |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
36 |
sbi(&LED7_PORT, LED7_OE); // disabled (low) |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
37 |
sbi(&LED7_DDR, LED7_OE); // out |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
38 |
} |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
39 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
40 |
/* |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
41 |
* Update external IO. |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
42 |
*/ |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
43 |
void led7_update_raw (uint8_t *led7, char count) |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
44 |
{ |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
45 |
int i; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
46 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
47 |
for (i = 0; i < count; i++) { |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
48 |
char raw = LED7SEG_FONT[led7[i]]; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
49 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
50 |
spi_tx[LED7_OFFSET + i] = LED7_ANODE ? ~raw : raw; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
51 |
} |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
52 |
} |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
53 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
54 |
void led7_update_hex (unsigned char c) |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
55 |
{ |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
56 |
uint8_t led7[2]; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
57 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
58 |
led7[0] = c >> 4; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
59 |
led7[1] = c & 0xF; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
60 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
61 |
return led7_update_raw(led7, sizeof(led7)); |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
62 |
} |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
63 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
64 |
void led7_update (char state) |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
65 |
{ |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
66 |
static unsigned char i = 0; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
67 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
68 |
if (i) { |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
69 |
// enable display |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
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|
70 |
cbi(&LED7_PORT, LED7_OE); |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
71 |
} |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
72 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
73 |
led7_update_hex(state); |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
74 |
|
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
75 |
i++; |
ee412c5be8b1
hello: split led7, inc/dec commands; read to read in dip state
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
76 |
} |