marcel/lora_aprs_node_pico
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Werkend proto

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This commit is contained in:
marcel
2022-05-02 17:19:21 +02:00
parent 0445ec5ab9
commit 1736691e77
10 changed files with 27991 additions and 26343 deletions
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14
src/Config.h
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@@ -18,6 +18,9 @@
#endif
#define OFF 0
#define ON 1
const long serialBaudRate = 38400;
const int rssiOffset = 292;
@@ -28,7 +31,7 @@
int loraPreamble = 8;
int loraCodingRate = 5;
int loraTxPower = 17;
int LoRaPaSelect = 0;
int LoRaPaSelect = 1;
uint32_t loraBandwidth = 125E3;
uint32_t loraFrequency = 433775000;
@@ -66,5 +69,14 @@
uint8_t FirmwareVersion[20] = { 'V','1',',','C','o','n','t','r', 'o','l','l','e','r',' ','0','1', 0} ;
} AprsSettings;
struct status {
bool PowerSupply24V;
bool PowerSupply12V;
bool PowerSupply5V;
bool ControlRelay;
uint8_t StatusString[6] = { '0','0','0','0','0',0};
} Status;
#endif

151
src/main.cpp
View File

@@ -1,5 +1,6 @@
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "pico/stdlib.h"
#include "pico/binary_info.h"
#include "LoRa-RP2040.h"
@@ -12,14 +13,24 @@ void getPacketData(int packetLength);
int compare_strings(uint8_t a[], uint8_t b[]);
bool is_message_for_me (uint8_t data[], uint8_t mycall[]);
/* declaration for receive functions */
uint16_t decode_packet ();
void ComposeAprsFrame(uint8_t payload[]);
/* declaration for transmit functions */
void ComposeAprsFrame(uint8_t payload[]);
bool TransmitRequest = false;
void transmit();
const uint PowerSupply24VControl = 6;
const uint PowerSupply12VControl = 5;
const uint PowerSupply5VControl = 4;
const uint RelayOffControl = 2;
const uint RelayOnControl = 3;
int main() {
uint16_t ServerCommand = 0;
uint16_t TxDelay = 0;
/* Among others, this initializes the USB-serial port at 115200bps 8N1 */
stdio_init_all();
@@ -27,6 +38,31 @@ int main() {
// Buffers
memset(rxBuffer, 0, sizeof(rxBuffer));
memset(txBuffer, 0, sizeof(txBuffer));
gpio_init(PowerSupply24VControl);
gpio_init(PowerSupply12VControl);
gpio_init(PowerSupply5VControl);
gpio_init(RelayOffControl);
gpio_init(RelayOnControl);
gpio_set_dir(PowerSupply24VControl, GPIO_OUT);
gpio_set_dir(PowerSupply12VControl, GPIO_OUT);
gpio_set_dir(PowerSupply5VControl, GPIO_OUT);
gpio_set_dir(RelayOffControl, GPIO_OUT);
gpio_set_dir(RelayOnControl, GPIO_OUT);
gpio_put(PowerSupply24VControl, 0);
Status.PowerSupply24V = OFF;
gpio_put(PowerSupply12VControl, 0);
Status.PowerSupply12V = OFF;
gpio_put(PowerSupply5VControl, 1);
Status.PowerSupply5V = OFF;
gpio_put(RelayOffControl, 1);
sleep_ms(250);
gpio_put(RelayOffControl, 0);
gpio_put(RelayOnControl, 0);
Status.ControlRelay = OFF;
sleep_ms(5000);
@@ -58,20 +94,101 @@ int main() {
if (ServerCommand) {
if (ServerCommand == 1) {
ComposeAprsFrame(AprsSettings.FirmwareVersion);
// Wait for 100ms before responding
sleep_ms(5000);
transmit();
sleep_ms(5000);
transmit();
sleep_ms(5000);
transmit();
sleep_ms(5000);
transmit();
switch(ServerCommand) {
case 1 :
ComposeAprsFrame(AprsSettings.FirmwareVersion);
break;
// Send status of output pins
case 6 :
if (Status.PowerSupply24V == ON)
Status.StatusString[3] = '1';
else
Status.StatusString[3] = '0';
if (Status.PowerSupply12V == ON)
Status.StatusString[2] = '1';
else
Status.StatusString[2] = '0';
if (Status.PowerSupply5V == ON)
Status.StatusString[1] = '1';
else
Status.StatusString[1] = '0';
if (Status.ControlRelay == ON)
Status.StatusString[0] = '1';
else
Status.StatusString[0] = '0';
ComposeAprsFrame(Status.StatusString);
// Switch off 24V power supply
case 30 :
gpio_put(PowerSupply24VControl, 0);
Status.PowerSupply24V = OFF;
break;
// Switch on 24V power supply
case 31 :
gpio_put(PowerSupply24VControl, 1);
Status.PowerSupply24V = ON;
break;
// Switch off 12V power supply
case 32 :
gpio_put(PowerSupply12VControl, 0);
Status.PowerSupply12V = OFF;
break;
// Switch on 12V power supply
case 33 :
gpio_put(PowerSupply12VControl, 1);
Status.PowerSupply12V = ON;
break;
// Switch off 5V power supply
case 34 :
gpio_put(PowerSupply5VControl, 1);
Status.PowerSupply5V = OFF;
break;
// Switch on 5V power supply
case 35 :
gpio_put(PowerSupply5VControl, 0);
Status.PowerSupply5V = ON;
break;
// Switch off relay
case 36 :
gpio_put(RelayOffControl, 1);
sleep_ms(250);
gpio_put(RelayOffControl, 0);
Status.ControlRelay = OFF;
break;
// Switch on 24V relay
case 37 :
gpio_put(RelayOnControl, 1);
sleep_ms(250);
gpio_put(RelayOnControl, 0);
Status.ControlRelay = ON;
break;
default :
break;
}
ServerCommand = 0;
}
/* A message is ready to be send */
if (TransmitRequest) {
if ( TxDelay == 0 ) {
// Generate pseudo random value between 0-1024
TxDelay = time_us_32()&0x3FF;
}
/* If TxDelay times out: send message */
if ( TxDelay-- == 1 ) {
transmit();
TransmitRequest = false;
}
}
}
return 0;
@@ -290,9 +407,6 @@ uint16_t decode_packet ()
printf("Message from server: %s (command %u)\n", aprs_message, aprs_server_command);
if (aprs_acknowledge_request) {
ComposeAprsFrame(aprs_acknowledge_number);
// Wait for 100ms before responding with acknowledge
sleep_ms(100);
transmit();
printf("Acknowledge request: %s\n", aprs_acknowledge_number);
}
@@ -364,6 +478,8 @@ void ComposeAprsFrame(uint8_t payload[])
uint16_t BufferPosition = 0;
uint16_t cnt = 0;
memset(txBuffer, 0, sizeof(txBuffer));
// APRS header
txBuffer[BufferPosition++] = '<';
txBuffer[BufferPosition++] = 0xff;
@@ -411,6 +527,9 @@ void ComposeAprsFrame(uint8_t payload[])
txBuffer[BufferPosition++] = payload[cnt];
cnt++;
}
// Set variable to indicate a send request
TransmitRequest = true;
printf("%s\n", txBuffer);
}