Add keyboard test

tests/platform/print_keys.c

@@ -0,0 +1,99 @@
+/***************************************************************************
+ *   Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <os.h>
+#include "gpio.h"
+#include "graphics.h"
+#include "hwconfig.h"
+#include "platform.h"
+#include "state.h"
+#include "keyboard.h"
+#include "ui.h"
+
+color_t color_yellow_fab413 = {250, 180, 19};
+color_t color_red = {255, 0, 0};
+color_t color_green = {0, 255, 0};
+
+char *keys_list[] = {
+        " ", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "*", "#", "ENTER", "ESC", "UP", "DOWN", "LEFT", "RIGHT",
+        "MONI", "F1"
+};
+
+void *print_keys(int keys) {
+    point_t origin = {0, SCREEN_HEIGHT / 4};
+    //count set bits to check how many keys are being pressed
+    int i = __builtin_popcount(keys);
+    while (i > 0) {
+        char *buf[15];
+        //position of the first set bit
+        int pos = __builtin_ctz(keys);
+        sprintf(buf, "Pressed: %s", keys_list[pos + 1]);
+        gfx_print(origin, buf, FONT_SIZE_2, TEXT_ALIGN_LEFT, color_green);
+        origin.y += 9;
+        //unset the bit we already handled
+        keys &= ~(1 << pos);
+        i--;
+    }
+}
+
+int main(void) {
+    OS_ERR os_err;
+
+    // Initialize the radio state
+    state_init();
+
+    // Init the graphic stack
+    gfx_init();
+    platform_setBacklightLevel(255);
+
+    // Print splash screen
+    point_t splash_origin = {0, SCREEN_HEIGHT / 2};
+    char *splash_buf = "OpenRTX";
+    gfx_clearScreen();
+    gfx_print(splash_origin, splash_buf, FONT_SIZE_4, TEXT_ALIGN_CENTER, color_yellow_fab413);
+    gfx_render();
+    while (gfx_renderingInProgress());
+    OSTimeDlyHMSM(0u, 0u, 1u, 0u, OS_OPT_TIME_HMSM_STRICT, &os_err);
+
+    // Clear screen
+    gfx_clearScreen();
+    gfx_render();
+    while (gfx_renderingInProgress());
+
+    point_t title_origin = {0, SCREEN_HEIGHT / 9};
+
+
+    char *title_buf = "Keyboard demo";
+
+    // UI update infinite loop
+    while (1) {
+        gfx_clearScreen();
+        gfx_print(title_origin, title_buf, FONT_SIZE_3, TEXT_ALIGN_CENTER, color_red);
+        uint32_t keys = kbd_getKeys();
+        print_keys(keys);
+        gfx_render();
+        while (gfx_renderingInProgress());
+        OSTimeDlyHMSM(0u, 0u, 0u, 100u, OS_OPT_TIME_HMSM_STRICT, &os_err);
+    }
+}
+