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Added rf12_set_sender_id to allow senderID to be switched without having #108

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Added rf12_set_sender_id to allow senderID to be switched without having #108

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12 changes: 11 additions & 1 deletion RF12.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,11 @@
#endif

#if RF12_COMPAT
/*
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What does this change do?

#define rf12_rawlen rf12_buf[1]
#define rf12_dest (rf12_buf[2] & RF12_HDR_MASK)
#define rf12_orig (rf12_buf[3] & RF12_HDR_MASK)
*/
#define rf12_rawlen rf12_buf[1]
#define rf12_dest (rf12_buf[2] & RF12_HDR_MASK)
#define rf12_orig (rf12_buf[3] & RF12_HDR_MASK)
Expand Down Expand Up @@ -497,7 +502,8 @@ void rf12_sendStart (uint8_t hdr) {
uint8_t parity = group ^ (group << 4);
parity = (parity ^ (parity << 2)) & 0xC0;
// the lower 6 bits are the destination, or zer of broadcasting
rf12_dst = parity | (hdr & RF12_HDR_DST ? hdr & RF12_HDR_MASK : 0);
//rf12_dst = parity | (hdr & RF12_HDR_DST ? hdr & RF12_HDR_MASK : 0);
rf12_dst = parity | ( hdr & RF12_HDR_MASK );
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I don't grasp what this change does.

// the header byte has the two flag bits and the origin address
rf12_hdr = (hdr & ~RF12_HDR_MASK) + (nodeid & NODE_ID);
#else
Expand Down Expand Up @@ -694,6 +700,10 @@ uint8_t rf12_initialize (uint8_t id, uint8_t band, uint8_t g, uint16_t f) {
return nodeid;
}

void rf12_sender_id (uint8_t id) {
nodeid = id ;
}

/// @details
/// This can be used to send out slow bit-by-bit On Off Keying signals to other
/// devices such as remotely controlled power switches operating in the 433,
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6 changes: 5 additions & 1 deletion RF12.h
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,9 @@

// Modify the RF12 driver in such a way that it can inter-operate with RFM69
// modules running in "native" mode. This affects packet layout and some more.
#define RF12_COMPAT 0
#define RF12_COMPAT 1
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Native mode on the RFM69 is not the default mode of operation.


//
#include <stdint.h>

/// RFM12B Protocol version.
Expand Down Expand Up @@ -94,6 +95,9 @@ uint8_t rf12_initialize(uint8_t id, uint8_t band, uint8_t group=0xD4, uint16_t f
/// Initialize the RFM12B module from settings stored in EEPROM by "RF12demo"
/// don't call rf12_initialize() if you init the hardware with rf12_config().
/// @return the node ID as 1..31, or 0 if there is no config on EEPROM.
///
void rf12_sender_id(uint8_t id) ;

uint8_t rf12_configSilent();
/// Call this to send a description of the EEPROM settings to the serial port.
void rf12_configDump();
Expand Down