Squashed commit of the following:

commit a496103
Author: Fabio Battaglia <tabaglio@posteo.net>
Date:   Mon Jul 29 09:44:17 2024 +0200

    Increment firmware version

commit 76c6cde
Author: Fabio Battaglia <tabaglio@posteo.net>
Date:   Mon Jul 29 09:31:37 2024 +0200

    Add support for version command, removed part of boot header

CHANGELOG.md

@@ -1,6 +1,14 @@
 # DuPAL V3 firmware changeog
 Changelog for the DuPAL V3 "dupico" board firmware.
 
+## [0.0.3] - ????-??-??
+
+## Added
+- Command to read the firmware version
+
+## Removed
+- Removed the "Dupico FW" string at connection
+
 ## [0.0.2] - 2024-07-26
 
 - Initial release

CMakeLists.txt

@@ -16,7 +16,7 @@ project(dupico C CXX ASM)
 set(CMAKE_C_STANDARD 17)
 set(CMAKE_CXX_STANDARD 20)
 
-add_compile_definitions(FW_VERSION="0.0.2")
+add_compile_definitions(FW_VERSION="0.0.3")
 
 add_compile_definitions(USE_D_PRINTF=1)
 add_compile_definitions("DEBUG=$<CONFIG:Debug>")

README.md

@@ -29,8 +29,6 @@ Building requires an ARM toolchain, cmake and both [FreeRTOS](https://github.com
 Connecting the USB connection of the Pico to the PCB will present a virtual serial port to which you can connect. Upon connection, you should get strings similar to the following, in your terminal:
 
 ```
-DuPICO - 0.0.2
-
 REMOTE_CONTROL_ENABLED
 ```
 
@@ -105,6 +103,13 @@ This command forces a reset by watchdog of the dupico.
 
 Where `x` is a code that identifies the model of the DuPAL. For dupico boards it is currently `3`.
 
+###### Get Version
+
+- Syntax: `>V<`
+- Response: `[V x.x.x]`
+
+Where `x.x.x` is a code the version number of the firmware.
+
 ###### Self-Test
 
 - Syntax: `>T<`

src/tasks/interface_tasks/cli_interface_task.c

@@ -12,8 +12,6 @@
 #include "utils/custom_debug.h"
 #include "utils/strutils.h"
 
-#define SOFT_HEADER "\nDuPICO - " FW_VERSION "\n\n\r"
-
 #define MODEL "3"
 
 #define DATA_PARAMETER_SIZE (1 + 16) // a whitespace plus hex representation of a 64bit number
@@ -31,6 +29,7 @@
 #define CMD_POWER 'P'
 #define CMD_MODEL 'M'
 #define CMD_TEST 'T'
+#define CMD_VERSION 'V'
 
 #define RESP_ERROR "CMD_ERR\n\r"
 #define RESP_MODEL "[M " MODEL "]\n\r"
@@ -87,7 +86,6 @@ void cli_interface_task(void *params) {
                 buf_idx = 0;
                 receiving_cmd = false;
 
-                USB_PRINTF(SOFT_HEADER);
                 USB_PRINTF("REMOTE_CONTROL_ENABLED\r\n");
             }
         }
@@ -193,6 +191,16 @@ static void cli_parse_command(char cmd_buffer[CMD_BUFFER_SIZE], command_hub_queu
 
             USB_PRINTF(cmd_buffer);
             break;
+        case CMD_VERSION:
+            // We handle the response directly here
+            strncpy(cmd_buffer, "   " FW_VERSION " \r\n", CMD_BUFFER_SIZE - 1);
+            size_t len = strnlen(cmd_buffer, CMD_BUFFER_SIZE); // Just to avoid going too far
+            cmd_buffer[0] = RESP_START;
+            cmd_buffer[1] = CMD_VERSION;
+            cmd_buffer[len - 3] = RESP_END;
+
+            USB_PRINTF(cmd_buffer);        
+            break;
         case CMD_RESET:
             DD_PRINTF("Forcing an error state in the command hub...\r\n");
             xQueueSend(queues->cmd_queue, (void*)& ((command_hub_cmd){