blob: fab9dd50edeaf62c755599b8fc11ca71c968cada (
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
|
#ifndef ARDUINO
#error This driver only works on the Arduino platform!
#endif
#include <Arduino.h>
#include <Wire.h>
#include <stdlib.h>
#include <stdint.h>
#include "../../pb.h"
#include "../../pb-mod.h"
#include "mod.h"
static void recv_event(int bytes) {
uint8_t * data = (uint8_t *) malloc(bytes);
size_t size = 0;
while (Wire.available())
data[size++] = Wire.read();
pb_i2c_recv(data, size);
}
void pb_setup() {
Wire.begin((int) PB_MOD_ADDR);
Wire.setWireTimeout(PB_TIMEOUT_US, true);
Wire.setClock(PB_CLOCK_SPEED_HZ);
Wire.onReceive(recv_event);
}
__weak void pb_i2c_send(i2c_addr_t addr, const uint8_t * buf, size_t sz) {
Wire.beginTransmission((int) addr);
Wire.write(buf, sz);
Wire.endTransmission(true);
Wire.setWireTimeout(PB_TIMEOUT_US, true);
}
|