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Add an i2c request handler

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This commit is contained in:
Scott Lahteine
2016-08-11 17:57:22 -07:00
parent d29a64d4b3
commit 67f119d18b
2 changed files with 26 additions and 8 deletions
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16
Marlin/Marlin_main.cpp
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@@ -837,8 +837,17 @@ void servo_init() {
#if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
void i2c_listener(int bytes) {
i2c.receive(bytes); // just echo all bytes received to serial
void i2c_on_receive(int bytes) { // just echo all bytes received to serial
i2c.receive(bytes);
}
void i2c_on_request() { // just send dummy data for now
static const char *msg = "Hello World!\n";
const char *adr = msg;
char c;
i2c.reset();
while (c = *adr++) i2c.addbyte(c);
i2c.send();
}
#endif
@@ -991,7 +1000,8 @@ void setup() {
#endif
#if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
i2c.onReceive(i2c_listener);
i2c.onReceive(i2c_on_receive);
i2c.onRequest(i2c_on_request);
#endif
}