marcel/lora_aprs_node_pico
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All settings can now be saved to FLASH.

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This commit is contained in:
marcel
2022-05-12 11:46:29 +02:00
parent c67b9cde5e
commit 414ddbd9c8
46 changed files with 31770 additions and 33125 deletions
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3
src/CMakeLists.txt
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@@ -6,6 +6,7 @@ cmake_minimum_required(VERSION 3.12)
add_library(LoRa_pico_lib LoRa-RP2040.cpp LoRa-RP2040.h)
add_library(LoRa_print Print.h Print.cpp)
add_library(KISS kiss.h kiss.cpp)
target_link_libraries(LoRa_pico_lib pico_stdlib hardware_spi hardware_interp LoRa_print)
@@ -24,7 +25,7 @@ target_include_directories(main PUBLIC ./)
target_link_directories(main PUBLIC ./)
target_link_libraries(main pico_stdlib LoRa_pico_lib LoRa_print)
target_link_libraries(main pico_stdlib LoRa_pico_lib LoRa_print KISS)
# enable usb output, disable uart output
pico_enable_stdio_usb(main 1)

6
src/kiss.cpp Normal file
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@@ -0,0 +1,6 @@
#include "kiss.h"
uint16_t KissClass::EncodeFrame(void)
{
return 100;
}

17
src/KISS.h → src/kiss.h
View File

@@ -1,5 +1,9 @@
#ifndef KISS_H
#define KISS_H
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <stdarg.h>
#define FEND 0xC0
#define FESC 0xDB
@@ -9,6 +13,7 @@
#define CMD_UNKNOWN 0xFE
#define CMD_DATA 0x00
#define CMD_HARDWARE 0x06
#define CMD_EXIT_KISS 0xFF
#define HW_RSSI 0x21
@@ -17,12 +22,10 @@
#define ERROR_TXFAILED 0x02
#define ERROR_QUEUE_FULL 0x04
size_t frameLength;
bool inFrame = false;
bool escape = false;
bool SERIAL_READING = false;
uint8_t command = CMD_UNKNOWN;
uint32_t lastSerialRead = 0;
uint32_t serialReadTimeout = 25;
class KissClass
{
public:
uint16_t EncodeFrame(void);
};
#endif

112
src/main.cpp
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@@ -7,9 +7,11 @@
#include "hardware/flash.h"
#include "LoRa-RP2040.h"
#include "Config.h"
#include "KISS.h"
#include "kiss.h"
#include "hardware/claim.h"
KissClass Kiss;
bool startRadio();
void getPacketData(int packetLength);
int compare_strings(uint8_t a[], uint8_t b[]);
@@ -29,8 +31,8 @@ const uint PowerSupply5VControl = 4;
const uint RelayOffControl = 2;
const uint RelayOnControl = 3;
// We're going to use a region 256k from the start of flash as non volatile storage for our settings.
// We can access this at XIP_BASE + 256k.
// We're going to use a region 512k from the start of flash as non volatile storage for our settings.
// We can access this at XIP_BASE + 512k.
#define FLASH_TARGET_OFFSET (512 * 1024)
const uint8_t *flash_target_contents = (const uint8_t *) (XIP_BASE + FLASH_TARGET_OFFSET);
@@ -158,6 +160,7 @@ void setup(void)
ReadSettingsFromFlash();
startRadio();
}
void print_help(void)
@@ -176,10 +179,35 @@ void print_help(void)
}
/*
* Reads a string and converts it to its 32 bit value if it contains a number,
* else it returns 0xFFFFFFFF
*/
uint32_t ConvertStringToValue(char string[])
{
uint16_t position = 0;
uint32_t value = 0;
// Extract value from string (if present)
while( string[position] != 0 )
{
// Is character a number?
if (string[position] >= 48 && string[position] <= 57) {
value = 10*value + string[position]-48;
} else {
return 0xFFFFFFFF;
}
position++;
}
return value;
}
void ProcessSerialInput(char string[])
{
uint8_t cnt;
uint8_t position=0;
uint32_t tmp = 0;
char command[100];
char parameter[100];
@@ -308,6 +336,83 @@ void ProcessSerialInput(char string[])
log_out("Destination set to %s.\n", AprsSettings.Destination);
}
}
// Set lora frequency (limited between 420MHz and 450MHz)
else if (strcmp(command, "freq") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp == 0xFFFFFFFF || tmp < 420000000 || tmp > 450000000)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraFrequency = tmp;
log_out("LoRa frequency set to %u.\n", AprsSettings.loraFrequency);
}
}
// Set lora spreading factor (can be between 6 and 12)
else if (strcmp(command, "spread") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp == 0xFFFFFFFF || tmp < 6 || tmp > 12)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraSpreadingFactor = (uint16_t)tmp;
log_out("LoRa spreading factor set to %u.\n", AprsSettings.loraSpreadingFactor);
}
}
// Set lora preamble (can be between 6 and 0xFFFF)
else if (strcmp(command, "pre") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp == 0xFFFFFFFF || tmp < 6 || tmp > 0xFFFF)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraPreamble = (uint16_t)tmp;
log_out("LoRa preamble set to %u.\n", AprsSettings.loraPreamble);
}
}
// Set lora coding rate (can be between 5 and 8)
else if (strcmp(command, "rate") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp == 0xFFFFFFFF || tmp < 5 || tmp > 8)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraCodingRate = (uint16_t)tmp;
log_out("LoRa coding rate set to %u.\n", AprsSettings.loraCodingRate);
}
}
// Set lora tx power (can be between 2 and 17)
else if (strcmp(command, "power") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp == 0xFFFFFFFF || tmp < 2 || tmp > 17)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraTxPower = (uint16_t)tmp;
log_out("LoRa tx power set to %u.\n", AprsSettings.loraTxPower);
}
}
// Set lora bandwidth (can be between 7800 and 500000)
else if (strcmp(command, "band") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp == 0xFFFFFFFF || tmp < 7800 || tmp > 5000000)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraBandwidth = tmp;
log_out("LoRa bandwidth set to %u.\n", AprsSettings.loraBandwidth);
}
}
// Set lora pa to +20dBm (can be either 0 or 1)
else if (strcmp(command, "pa") == 0) {
tmp = ConvertStringToValue(parameter);
if (tmp != 0 && tmp != 1)
log_out("ERROR: that is not a valid value.\n");
else {
AprsSettings.loraPaSelect = (uint16_t)tmp;
log_out("LoRa PA set to %u.\n", AprsSettings.loraPaSelect);
}
}
// Restart radio
else if (strcmp(command, "restart") == 0)
if (strcmp(parameter, "lora") == 0) {
log_out("Re-");
startRadio();
}
else {
print_help();
}
@@ -335,6 +440,7 @@ void ReadUSBSerial(void)
strg[lp-1] = 0; //terminate string by overwriting <CR> with NULL
//log_out("You wrote - %s\n", strg);
lp = 0; //reset string buffer pointer
log_out("\n");
ProcessSerialInput(strg);