src/test/unit/ws2811_unittest.cc.txt

   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_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 STATIC_UNIT_TESTED extern uint16_t dmaBufferOffset;
  35
  36 STATIC_UNIT_TESTED void fastUpdateLEDDMABuffer(rgbColor24bpp_t *color);
  37 STATIC_UNIT_TESTED void updateLEDDMABuffer(uint8_t componentValue);
  38 }
  39
  40 TEST(WS2812, updateDMABuffer) {
  41     // given
  42     rgbColor24bpp_t color1 = { .raw = {0xFF,0xAA,0x55} };
  43
  44     // and
  45     dmaBufferOffset = 0;
  46
  47     // when
  48     fastUpdateLEDDMABuffer(&color1);
  49
  50     // then
  51     EXPECT_EQ(24, dmaBufferOffset);
  52
  53     // and
  54     uint8_t byteIndex = 0;
  55
  56     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 0]);
  57     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 1]);
  58     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 2]);
  59     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 3]);
  60     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 4]);
  61     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 5]);
  62     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 6]);
  63     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 7]);
  64     byteIndex++;
  65
  66     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 0]);
  67     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 1]);
  68     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 2]);
  69     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 3]);
  70     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 4]);
  71     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 5]);
  72     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 6]);
  73     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 7]);
  74     byteIndex++;
  75
  76     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 0]);
  77     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 1]);
  78     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 2]);
  79     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 3]);
  80     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 4]);
  81     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 5]);
  82     EXPECT_EQ(BIT_COMPARE_0, ledStripDMABuffer[(byteIndex * 8) + 6]);
  83     EXPECT_EQ(BIT_COMPARE_1, ledStripDMABuffer[(byteIndex * 8) + 7]);
  84     byteIndex++;
  85 }
  86
  87 extern "C" {
  88 rgbColor24bpp_t* hsvToRgb24(const hsvColor_t *c) {
  89     UNUSED(c);
  90     return NULL;
  91 }
  92
  93 void ws2811LedStripHardwareInit(void) {}
  94 void ws2811LedStripDMAEnable(void) {}
  95
  96 void dmaSetHandler(dmaHandlerIdentifier_e, dmaCallbackHandlerFuncPtr ) {}
  97
  98 uint8_t DMA_GetFlagStatus(uint32_t) { return 0; }
  99 void DMA_Cmd(DMA_Channel_TypeDef*, FunctionalState ) {}
 100 void DMA_ClearFlag(uint32_t) {}
 101
 102 }