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Added KISS flow control

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This commit is contained in:
Mark Qvist 2018-04-26 10:34:39 +02:00
parent 8a35afbebe
commit 978800aaf9
4 changed files with 24 additions and 0 deletions
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7
Config.h
View File

@ -26,6 +26,9 @@
const int pin_dio = 2;
const int pin_led_rx = 5;
const int pin_led_tx = 4;
#define FLOW_CONTROL_ENABLED true
#define QUEUE_SIZE 0
#endif
#if MCU_VARIANT == MCU_1284P
@ -34,6 +37,9 @@
const int pin_dio = 2;
const int pin_led_rx = 12;
const int pin_led_tx = 13;
#define FLOW_CONTROL_ENABLED true
#define QUEUE_SIZE 24
#endif
// MCU independent configuration parameters
@ -42,6 +48,7 @@
// Default LoRa settings
int lora_sf = 0;
int lora_cr = 5;
int lora_txp = 0xFF;
uint32_t lora_bw = 0;
uint32_t lora_freq = 0;

1
Framing.h
View File

@ -14,6 +14,7 @@
#define CMD_SF 0x04
#define CMD_RADIO_STATE 0x05
#define CMD_RADIO_LOCK 0x06
#define CMD_READY 0x0F
#define CMD_STAT_RX 0x21
#define CMD_STAT_TX 0x22

5
RNode_Firmware.ino
View File

@ -42,6 +42,7 @@ bool startRadio() {
setTXPower();
setBandwidth();
setSpreadingFactor();
setCodingRate();
getFrequency();
LoRa.enableCrc();
@ -178,6 +179,10 @@ void transmit(size_t size) {
LoRa.endPacket();
led_tx_off();
LoRa.receive();
if (FLOW_CONTROL_ENABLED)
kiss_indicate_ready();
} else {
kiss_indicate_error(ERROR_TXFAILED);
led_indicate_error(5);

11
Utilities.cpp
View File

@ -146,6 +146,13 @@ void kiss_indicate_random(uint8_t byte) {
Serial.write(FEND);
}
void kiss_indicate_ready() {
Serial.write(FEND);
Serial.write(CMD_READY);
Serial.write(0x01);
Serial.write(FEND);
}
bool isSplitPacket(uint8_t header) {
return (header & FLAG_SPLIT);
}
@ -165,6 +172,10 @@ void setSpreadingFactor() {
if (radio_online) LoRa.setSpreadingFactor(lora_sf);
}
void setCodingRate() {
if (radio_online) LoRa.setCodingRate4(lora_cr);
}
void setTXPower() {
if (radio_online) LoRa.setTxPower(lora_txp);
}