1 files changed, 93 insertions, 0 deletions
diff --git a/apps/home_menu.cpp b/apps/home_menu.cpp
new file mode 100644
index 0000000..30caed0
--- /dev/null
+++ b/apps/home_menu.cpp
@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include "pico/stdlib.h"
+extern "C" {
+#include "hardware/rtc.h"
+}
+#include "pico/util/datetime.h"
+#include "../oled/ss_oled.h"
+
+#include "home_menu.hpp"
+#include "../buttons.hpp"
+
+extern void app_switch(int old_appid, int new_appid);
+extern bool rtc_get_datetime(datetime_t *t);
+
+#define NUMBER_OF_APPS 2
+
+namespace app_home_menu {
+    const char* APPS_NAME[NUMBER_OF_APPS][12] = {"Home", "Clock"};
+
+    void title_str(char *buf, uint buf_size, const datetime_t *t) {
+        snprintf(buf,
+                buf_size,
+                "%d:%02d Home Menu",
+                t->hour,
+                t->min,
+                t->sec);
+    };
+
+    void show_title(SSOLED *oled) {
+        char datetime_buf[256];
+        char *datetime_str = &datetime_buf[0];
+        datetime_t t;
+        rtc_get_datetime(&t);
+
+        // title with time
+        title_str(datetime_str, sizeof(datetime_buf), &t);
+        oledWriteString(oled, 0,0,0, datetime_str, FONT_8x8, 0, 1);
+    }
+
+    // Rendering of app
+    int render(SSOLED *oled, char *data, uint data_size) {
+        show_title(oled);
+        oledWriteString(oled, 0,0,2, &data[0], FONT_6x8, 0, 1);
+        oledWriteString(oled, 0,5,3, const_cast<char*>(APPS_NAME[data[1]][0]), FONT_12x16, 0, 1); // FIXME: The name does not update, it seems that the second string is empty… but data[1]'s content is correct, as BUTTON_SELECT switches to the correct app.
+        return 0;
+    }
+
+    // Interpret button inputs
+    int btnpressed(SSOLED *oled, char *data, uint data_size, uint gpio) {
+        switch (gpio) {
+            case BUTTON_HOME:
+                data[0] = 'H'; break;
+            case BUTTON_SELECT:
+                data[0] = 'S';
+                app_switch(0, data[1]);
+                break;
+            case BUTTON_MODE:
+                data[0] = 'M'; break;
+            case BUTTON_DOWN:
+                data[0] = 'D';
+                data[1]--;
+                break;
+            case BUTTON_UP:
+                data[0] = 'U';
+                data[1]++;
+                break;
+            default:
+                data[0] = '?';
+        }
+        if (data[1] > NUMBER_OF_APPS-1) {
+            data[1] = NUMBER_OF_APPS-1; data[0] = '>';
+        } else if (data[1] < NUMBER_OF_APPS-1) {
+            data[1] = 0; data[0] = '<';
+        }
+        return 0;
+    }
+
+    // Initlisation of the app.
+    int init(SSOLED *oled, char *data, uint data_size) {
+        data[1] = 0;
+        return 0; // return 1 when function not implemented
+    }
+
+    // Processor intensive operations and functions related to drawing to the screen should only be done when the app is in_foreground(=1). This function is only called when the app is init.
+    int bgrefresh(SSOLED *oled, char *data, uint data_size, char in_foreground) {
+        return 1;
+    }
+
+    // Destruction of app, deinitlisation should be done here. This is only called if the app's APPS_DESTROY_ON_EXIT is set to 1. When it is not a "service" app.
+    int destroy(SSOLED *oled, char *data, uint data_size) {
+        return 1;
+    }
+}