First embedded project; Serial comms almost working

2026-10-19 18:16:08 -05:00
commit c683975fd0
7 changed files with 433 additions and 0 deletions
@@ -0,0 +1,110 @@
+#include "RadioLib/Module.h"
+#include "RadioLib/modules/SX126x/SX1262.h"
+#include "RadioLib/protocols/PhysicalLayer/PhysicalLayer.h"
+#include "pico/stdlib.h"
+// #include "FreeRTOS.h"
+// #include "task.h"
+#include <pico/error.h>
+#include <pico/stdio.h>
+#include <pico/time.h>
+#include <RadioLib/RadioLib.h>
+#include <RadioLib/>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/_intsup.h>
+#include <sys/_types.h>
+#include "stdio.h"
+
+const char NULLCHAR = '\0';
+
+char* read_buffer;
+/*
+int readInput() {
+	unsigned int len = 0;
+	int ret;
+	unsigned char ret_char;
+	while(true) {
+		ret = getchar_timeout_us(0);
+		if (ret == PICO_ERROR_TIMEOUT) {
+			continue;
+		} else {
+			ret_char = (char)ret;
+			printf("%c", ret);
+			sleep_ms(50);
+			if (ret_char & 0xE0) {
+				memcpy(read_buffer+len*sizeof(char), &ret_char, sizeof(char));
+				sleep_ms(50);
+				len++;
+			} else {
+				bool should_break = false;
+				if (len==0) { continue; }
+				switch(ret_char) {
+					case 8:
+						len--;
+						break;
+					case 10:
+					case 13:
+						should_break = true;
+						break;
+					default:
+						break;
+				}
+				if (should_break) { break; }
+			}
+		}
+	}
+	memcpy(read_buffer+len*sizeof(char), &NULLCHAR, sizeof(char));
+	sleep_ms(50);
+	return len;
+}
+
+int main2() {
+	stdio_init_all();
+	int num;
+	int len;
+	read_buffer = malloc(256 * sizeof(char));
+	while(true) {
+		printf("Give a number: \n");
+		sleep_ms(50);
+		num = readInput();
+		if (num) {
+			printf("Printed %d characters: ", num);
+			printf("%s\n", read_buffer);
+		} else {
+			printf("Got empty line\n");
+		}
+		sleep_ms(50);
+	}
+	return 0;
+}
+
+*/
+
+int main() {
+	// Currently written as numbered 1-40th pin on Pico
+	SX1262 radio = new Module(5, 26, 20, 4);
+	ConfigLoRa_t config;
+	config.frequency = 915;
+	int state = radio.begin(config);
+	if (state == RADIOLIB_ERR_NONE) {
+		printf("LoRa module initialized\n");
+		while(true) {
+			state = radio.startTransmit("Howdiddly doo");
+			if (state == RADIOLIB_ERR_NONE) {
+				printf("Transmitted properly!\n");
+			} else {
+				printf("Transmission failed\n");
+			}
+			sleep_ms(2000);
+		}
+	} else {
+		printf("Could not initialize LoRa module\n");
+		while(true) {
+			printf("Fuuuuuck\n");
+			sleep_ms(2000);
+		}
+	}
+
+	
+}