Merge branch 'master' into wip/handover

1 files changed, 37 insertions, 0 deletions

diff --git a/lib/pbdrv/drv/arduino/mod.cpp b/lib/pbdrv/drv/arduino/mod.cpp
new file mode 100644
index 0000000..8a38a5b
--- /dev/null
+++ b/lib/pbdrv/drv/arduino/mod.cpp
@@ -0,0 +1,37 @@
+#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();
+
+	pbdrv_i2c_recv(data, size);
+}
+
+void pbdrv_setup() {
+	Wire.begin((int) PBDRV_MOD_ADDR);
+	Wire.setWireTimeout(PB_TIMEOUT_US, true);
+	Wire.setClock(PB_CLOCK_SPEED_HZ);
+	Wire.onReceive(recv_event);
+}
+
+__weak void pbdrv_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);
+}
+