blob: b07234710f0242331dd92fd410eff8769d6daa55 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Copyright 2020 Daniel Friesel
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "arch.h"
#include "driver/gpio.h"
#include "driver/stdout.h"
#if defined(CONFIG_meta_driver_hardware_i2c)
#include "driver/i2c.h"
#elif defined(CONFIG_driver_softi2c)
#include "driver/soft_i2c.h"
#endif
unsigned int i2c_status[128 / (8 * sizeof(unsigned int)) + 1];
int main(void)
{
arch.setup();
gpio.setup();
kout.setup();
while (i2c.setup() != 0) {
kout << "I2C setup FAILED" << endl;
arch.delay_ms(1000);
}
kout << "I2C setup OK" << endl;
while (1) {
for (unsigned char i = 0; i < sizeof(i2c_status)/sizeof(unsigned int); i++) {
i2c_status[i] = 0;
}
i2c.scan(i2c_status);
kout << " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
for (unsigned char address = 0; address < 128; address++) {
if ((address & 0x0f) == 0) {
kout << endl;
kout.printf_uint8(address);
kout << ":";
}
if (i2c_status[address / (8 * sizeof(unsigned int))] & (1 << (address % (8 * sizeof(unsigned int))))) {
kout << " ";
kout.printf_uint8(address);
} else {
kout << " --";
}
}
kout << endl << endl;
arch.delay_ms(1000);
}
arch.idle_loop();
return 0;
}
|
