From 665e50f45626232b5a6a5e9a4dff22865c0cdab7 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Thu, 7 Mar 2024 15:15:20 +0100
Subject: [PATCH 1/2] first std::function test

---
 src/raspikeyer.cpp | 8 ++++++++
 src/winkeyer.cpp   | 6 ++++++
 src/winkeyer.h     | 5 +++++
 3 files changed, 19 insertions(+)

diff --git a/src/raspikeyer.cpp b/src/raspikeyer.cpp
index f0d620e..18c9ea4 100644
--- a/src/raspikeyer.cpp
+++ b/src/raspikeyer.cpp
@@ -2,6 +2,7 @@
 #include <stdio.h>
 
 #include <utility>
+#include <functional>
 
 #include "bsp/board.h"
 #include "hardware/adc.h"
@@ -101,6 +102,10 @@ void core1_main()
     }
 }
 
+void test() {
+    printf("Test\n");
+}
+
 int main()
 {
     timer_hw->dbgpause = 0; // workaround for problem with debug and sleep_ms
@@ -130,7 +135,10 @@ int main()
     KeyerQueueData keyerQueueData {KeyerQueueCommand::Run, currentWpm, settings.mode, 0};
     queue_add_blocking(&keyerQueue, &keyerQueueData);
 
+    std::function<void()> f_observer = test;
+
     WinKeyer winKeyer;
+    winKeyer.addObserver(f_observer);
 
     pio_hw_t *pio = pio0;
     TM1637 display {DISPLAY_DIO_PIN, DISPLAY_CLK_PIN, pio};
diff --git a/src/winkeyer.cpp b/src/winkeyer.cpp
index c0c53fb..3a35ba3 100644
--- a/src/winkeyer.cpp
+++ b/src/winkeyer.cpp
@@ -103,4 +103,10 @@ void WinKeyer::run(queue_t &queue)
             m_commandState = CommandState::None;
         }
     }
+}
+
+void WinKeyer::addObserver(std::function<void()> obs) {
+    m_observers.push_back(obs);
+
+    obs();
 }
\ No newline at end of file
diff --git a/src/winkeyer.h b/src/winkeyer.h
index e0aabee..19e02c5 100644
--- a/src/winkeyer.h
+++ b/src/winkeyer.h
@@ -1,11 +1,15 @@
 #pragma once
 
+#include <vector>
+#include <functional>
+
 #include "pico/util/queue.h"
 
 class WinKeyer final
 {
   public:
     void run(queue_t &queue);
+    void addObserver(std::function<void()> obs);
 
   private:
     enum class CommandState {
@@ -24,4 +28,5 @@ class WinKeyer final
     CommandState m_commandState {CommandState::None};
     WkMode m_wkMode {WkMode::WK1};
     bool m_hostOpen {false};
+    std::vector<std::function<void()>> m_observers;
 };
\ No newline at end of file

From eb8dbb3987cae7a8bc466153d4ffb02503ac8242 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Tue, 13 Aug 2024 14:13:49 +0200
Subject: [PATCH 2/2] pico_sdk_import.cmake updated to 2.0.0

---
 pico_sdk_import.cmake | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/pico_sdk_import.cmake b/pico_sdk_import.cmake
index 65f8a6f..a0721d0 100644
--- a/pico_sdk_import.cmake
+++ b/pico_sdk_import.cmake
@@ -18,9 +18,20 @@ if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_P
     message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
 endif ()
 
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
+    set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
+    message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
+endif ()
+
+if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
+  set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
+  message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
+endif()
+
 set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
 set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
 set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for SDK")
 
 if (NOT PICO_SDK_PATH)
     if (PICO_SDK_FETCH_FROM_GIT)
@@ -34,14 +45,14 @@ if (NOT PICO_SDK_PATH)
             FetchContent_Declare(
                     pico_sdk
                     GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
-                    GIT_TAG master
+                    GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
                     GIT_SUBMODULES_RECURSE FALSE
             )
         else ()
             FetchContent_Declare(
                     pico_sdk
                     GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
-                    GIT_TAG master
+                    GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
             )
         endif ()