src/test/unit/ws2811_unittest.cc

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 #include <stdint.h>
  18 #include <stdlib.h>
  19
  20 #include <limits.h>
  21
  22 extern "C" {
  23     #include "build/build_config.h"
  24
  25     #include "common/color.h"
  26
  27     #include "drivers/light_ws2811strip.h"
  28 }
  29
  30 #include "unittest_macros.h"
  31 #include "gtest/gtest.h"
  32
  33 extern "C" {
  34     void updateLEDDMABuffer(ledStripFormatRGB_e ledFormat, rgbColor24bpp_t *color, unsigned ledIndex);
  35 }
  36
  37 TEST(WS2812, updateDMABuffer) {
  38     // given
  39     rgbColor24bpp_t color1 = { .raw = {0xFF,0xAA,0x55} };
  40
  41     // when
  42     updateLEDDMABuffer(LED_GRB, &color1, 0);
  43
  44     // and
  45     uint8_t byteIndex = 0;
  46
  47     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 0]);
  48     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 1]);
  49     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 2]);
  50     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 3]);
  51     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 4]);
  52     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 5]);
  53     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 6]);
  54     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 7]);
  55     byteIndex++;
  56
  57     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 0]);
  58     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 1]);
  59     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 2]);
  60     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 3]);
  61     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 4]);
  62     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 5]);
  63     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 6]);
  64     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 7]);
  65     byteIndex++;
  66
  67     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 0]);
  68     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 1]);
  69     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 2]);
  70     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 3]);
  71     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 4]);
  72     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 5]);
  73     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 6]);
  74     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 7]);
  75     byteIndex++;
  76 }
  77
  78 extern "C" {
  79 rgbColor24bpp_t* hsvToRgb24(const hsvColor_t *c) {
  80     UNUSED(c);
  81     return NULL;
  82 }
  83
  84 bool ws2811LedStripHardwareInit(ioTag_t ioTag) {
  85     UNUSED(ioTag);
  86
  87     return true;
  88 }
  89
  90 void ws2811LedStripDMAEnable(void) {}
  91 }