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     void schedulerIgnoreTaskExecTime(void) {}
  36     void schedulerIgnoreTaskStateTime(void) {}
  37 }
  38
  39 TEST(WS2812, updateDMABuffer) {
  40     // given
  41     rgbColor24bpp_t color1 = { .raw = {0xFF,0xAA,0x55} };
  42
  43     // when
  44     updateLEDDMABuffer(LED_GRB, &color1, 0);
  45
  46     // and
  47     uint8_t byteIndex = 0;
  48
  49     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 0]);
  50     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 1]);
  51     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 2]);
  52     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 3]);
  53     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 4]);
  54     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 5]);
  55     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 6]);
  56     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 7]);
  57     byteIndex++;
  58
  59     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 0]);
  60     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 1]);
  61     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 2]);
  62     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 3]);
  63     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 4]);
  64     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 5]);
  65     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 6]);
  66     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 7]);
  67     byteIndex++;
  68
  69     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 0]);
  70     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 1]);
  71     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 2]);
  72     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 3]);
  73     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 4]);
  74     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 5]);
  75     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 6]);
  76     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 7]);
  77     byteIndex++;
  78 }
  79
  80 extern "C" {
  81 rgbColor24bpp_t* hsvToRgb24(const hsvColor_t *c) {
  82     UNUSED(c);
  83     return NULL;
  84 }
  85
  86 bool ws2811LedStripHardwareInit(ioTag_t ioTag) {
  87     UNUSED(ioTag);
  88
  89     return true;
  90 }
  91
  92 void ws2811LedStripDMAEnable(void) {}
  93 }
  94