/*
 * Copyright (c) 2020, HiHope Community.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <ctype.h>
#include <stdio.h>
#include <unistd.h>

#include "ohos_init.h"
#include "cmsis_os2.h"
//#include "wifiiot_gpio.h"
#include "hi_io.h"
//#include "wifiiot_gpio_ex.h"
//#include "wifiiot_pwm.h"
#include "hi_pwm.h"
#include "wifiiot_adc.h"
#include "hi_adc.h"
//#include "wifiiot_i2c.h"
#include "hi_i2c.h"
//#include "wifiiot_errno.h"
#include "hi_errno.h"
//#include "wifiiot_watchdog.h"
#include "hi_watchdog.h"

#include "ssd1306.h"
#include "ssd1306_tests.h"

#define OLED_I2C_BAUDRATE 400*1000



const unsigned char headSize[] = { 64, 64 };
const unsigned char headData[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x1F, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0xFF, 0x80, 0x00,
0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x07, 0xFF, 0xFF, 0xE0, 0x00,
0x00, 0x00, 0x00, 0x0F, 0xFF, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x1F, 0xFF, 0xFF, 0xF0, 0x00,
0x00, 0x00, 0x00, 0x3F, 0xFF, 0xFF, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x3F, 0xFF, 0xFF, 0xF0, 0x00,
0x00, 0x00, 0x00, 0x7F, 0xFF, 0xFF, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x7F, 0xFF, 0xFF, 0xF0, 0x00,
0x00, 0x00, 0x00, 0xFF, 0x83, 0xFF, 0xF8, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xE3, 0xF0, 0x18, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xE3, 0xE0, 0x10, 0x00, 0x00, 0x00, 0x61, 0xFE, 0x03, 0xE1, 0xF8, 0x00,
0x00, 0xC1, 0xF1, 0xF8, 0x97, 0xE0, 0x18, 0x00, 0x00, 0x00, 0xB9, 0xFF, 0xFF, 0xF8, 0x88, 0x00,
0x00, 0x00, 0xFD, 0xFF, 0xFF, 0xFD, 0xF8, 0x00, 0x00, 0x00, 0xFD, 0xFF, 0xFF, 0xFE, 0x78, 0x00,
0x00, 0x00, 0xCD, 0xFF, 0xFF, 0xFF, 0xF8, 0x00, 0x00, 0x40, 0xDF, 0xFF, 0xFF, 0xFF, 0xF8, 0x00,
0x00, 0x40, 0xDF, 0xFF, 0xFF, 0xFF, 0xF8, 0x00, 0x00, 0x40, 0x7F, 0xFF, 0xFF, 0xFF, 0xF8, 0x00,
0x00, 0xA0, 0x7F, 0xFF, 0xFF, 0xFF, 0xF9, 0x00, 0x01, 0x20, 0x3F, 0xFF, 0xFC, 0x47, 0xF8, 0x00,
0x02, 0x10, 0x1F, 0xFF, 0xFF, 0x87, 0xF0, 0x00, 0x0C, 0x18, 0x0F, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
0x00, 0x08, 0x07, 0xFF, 0xFF, 0xFF, 0xF0, 0x00, 0x00, 0x0D, 0x07, 0xFF, 0xFC, 0x07, 0xF0, 0x00,
0x00, 0x05, 0x07, 0xFF, 0xC0, 0x01, 0xF0, 0x00, 0x00, 0x05, 0x07, 0xFF, 0xDF, 0xE1, 0xE0, 0x00,
0x02, 0x06, 0x07, 0xFF, 0xFF, 0x09, 0xE0, 0x00, 0x00, 0x02, 0x07, 0xFF, 0xFE, 0x1F, 0xC0, 0x00,
0x00, 0x02, 0x07, 0xFF, 0xFF, 0xFF, 0xC0, 0x00, 0x00, 0x60, 0x3F, 0xFF, 0xFF, 0xFF, 0x80, 0x00,
0x00, 0x30, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x32, 0xFF, 0xFF, 0xFF, 0xFC, 0x00, 0x00,
0x00, 0x1F, 0xFF, 0xFF, 0xFF, 0x18, 0x00, 0x00, 0x00, 0x1F, 0xFF, 0xFF, 0xFF, 0xF0, 0x00, 0x00,
0x00, 0x0F, 0xFF, 0xFF, 0xFF, 0xF0, 0x00, 0x00, 0x00, 0x0F, 0xFF, 0xFF, 0xFC, 0xF0, 0x00, 0x00,
0x00, 0x07, 0xFF, 0xFF, 0xFE, 0xF0, 0x00, 0x01, 0x00, 0x03, 0xFF, 0xFF, 0xFF, 0xF0, 0x00, 0x07,
0x00, 0x03, 0xFF, 0xFF, 0xFF, 0xF0, 0xE0, 0x3F, 0x00, 0x23, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x00, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF,
};

/**
 * 汉字字模在线： https://www.23bei.com/tool-223.html
 * 数据排列：从左到右从上到下
 * 取模方式：横向8位左高位
**/
void TestDrawChinese1(void)
{
    const uint32_t W = 16, H = 16;
    uint8_t fonts[][32] = {
        {
            /*-- ID:0,字符:"你",ASCII编码:C4E3,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
            //0x11,0x00,0x11,0x00,0x11,0x00,0x23,0xFC,0x22,0x04,0x64,0x08,0xA8,0x40,0x20,0x40,
            //0x21,0x50,0x21,0x48,0x22,0x4C,0x24,0x44,0x20,0x40,0x20,0x40,0x21,0x40,0x20,0x80,
            /*-- ID:0,字符:"阿",ASCII编码:B0A2,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x04,0x7F,0xFE,0x44,0x08,0x48,0x08,0x48,0x28,0x51,0xF8,0x49,0x28,0x49,0x28,
0x45,0x28,0x45,0x28,0x45,0x28,0x69,0xE8,0x51,0x28,0x40,0x08,0x40,0x28,0x40,0x10,
        },{
            /*-- ID:1,字符:"好",ASCII编码:BAC3,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
            //0x10,0x00,0x11,0xFC,0x10,0x04,0x10,0x08,0xFC,0x10,0x24,0x20,0x24,0x24,0x27,0xFE,
            //0x24,0x20,0x44,0x20,0x28,0x20,0x10,0x20,0x28,0x20,0x44,0x20,0x84,0xA0,0x00,0x40,
           /*-- ID:1,字符:"武",ASCII编码:CEE4,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x40,0x02,0x50,0x3F,0x48,0x00,0x48,0x00,0x40,0xFF,0xFE,0x04,0x40,0x04,0x40,
0x27,0x40,0x24,0x40,0x24,0x20,0x24,0x20,0x27,0xA0,0xF8,0x12,0x40,0x0A,0x00,0x06,

        },{
            /*-- ID:2,字符:"鸿",ASCII编码:BAE8,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
            //0x40,0x20,0x30,0x48,0x10,0xFC,0x02,0x88,0x9F,0xA8,0x64,0x88,0x24,0xA8,0x04,0x90,
            //0x14,0x84,0x14,0xFE,0xE7,0x04,0x3C,0x24,0x29,0xF4,0x20,0x04,0x20,0x14,0x20,0x08,
              /*-- ID:2,字符:"科",ASCII编码:BFC6,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x04,0x10,0x0E,0x10,0xF8,0x90,0x08,0x50,0x08,0x10,0xFE,0x90,0x08,0x50,0x1C,0x14,
0x1A,0x1E,0x29,0xF0,0x28,0x10,0x48,0x10,0x88,0x10,0x08,0x10,0x08,0x10,0x08,0x10,

        },{
            /*-- ID:3,字符:"蒙",ASCII编码:C3C9,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
            //0x04,0x48,0x7F,0xFC,0x04,0x40,0x7F,0xFE,0x40,0x02,0x8F,0xE4,0x00,0x00,0x7F,0xFC,
           // 0x06,0x10,0x3B,0x30,0x05,0xC0,0x1A,0xA0,0x64,0x90,0x18,0x8E,0x62,0x84,0x01,0x00
         /*-- ID:3,字符:"技",ASCII编码:BCBC,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x10,0x40,0x10,0x40,0x10,0x48,0x13,0xFC,0xFC,0x40,0x10,0x40,0x10,0x40,0x13,0xF8,
0x1A,0x08,0x31,0x10,0xD1,0x10,0x10,0xA0,0x10,0x40,0x10,0xB0,0x51,0x0E,0x26,0x04,
        },
        {/*-- ID:4,字符:"ｔ",ASCII编码:A3F4,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x01,0x80,0x01,0x80,0x07,0xE0,0x01,0x80,
0x01,0x80,0x01,0x80,0x01,0x90,0x01,0x90,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,

},
        {/*-- ID:5,字符:"ｘ",ASCII编码:A3F8,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x3C,0x0C,0x30,
0x03,0x60,0x01,0xC0,0x03,0x60,0x0C,0x30,0x3E,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,},
        {/*-- ID:6,字符:"ｗ",ASCII编码:A3F7,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3D,0xEE,0x18,0xC4,
0x08,0xCC,0x0D,0x68,0x05,0x28,0x06,0x30,0x02,0x10,0x00,0x00,0x00,0x00,0x00,0x00,},
{/*-- ID:4,字符:"ｔ",ASCII编码:A3F4,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x01,0x80,0x01,0x80,0x07,0xE0,0x01,0x80,
0x01,0x80,0x01,0x80,0x01,0x90,0x01,0x90,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
},
        {/*-- ID:7,字符:"ｅ",ASCII编码:A3E5,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xE0,0x0C,0x30,
0x0C,0x30,0x0F,0xF0,0x0C,0x00,0x0C,0x30,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
},
        {/*-- ID:8,字符:"ｃ",ASCII编码:A3E3,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xE0,0x0C,0x30,
0x0C,0x00,0x0C,0x00,0x0C,0x00,0x0C,0x30,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
},
{/*-- ID:9,字符:"ｈ",ASCII编码:A3E8,对应字:宽x高=16x16,画布:宽W=16 高H=16,共32字节*/
0x00,0x00,0x00,0x00,0x0E,0x00,0x06,0x00,0x06,0x00,0x06,0x00,0x06,0xE0,0x07,0x30,
0x06,0x30,0x06,0x30,0x06,0x30,0x06,0x30,0x0E,0x78,0x00,0x00,0x00,0x00,0x00,0x00,}

    };


   




    ssd1306_Fill(Black);
    for (size_t i = 0; i < sizeof(fonts)/sizeof(fonts[0]); i++) {
        ssd1306_DrawRegion(i * W, 0, W, H, fonts[i], sizeof(fonts[0]), W);
    }

    ssd1306_SetCursor(64, 0);
    ssd1306_DrawRegion(64, 0, headSize[0], headSize[1], headData, sizeof(headData), headSize[0]);
    ssd1306_UpdateScreen();
}

void TestDrawChinese2(void)
{
    const uint32_t W = 12, H = 12, S = 16;
    uint8_t fonts[][24] = {
        {
            /*-- ID:0,字符:"你",ASCII编码:C4E3,对应字:宽x高=12x12,画布:宽W=16 高H=12,共24字节*/
            0x12,0x00,0x12,0x00,0x27,0xF0,0x24,0x20,0x69,0x40,0xA1,0x00,0x25,0x40,0x25,0x20,
            0x29,0x10,0x31,0x10,0x25,0x00,0x22,0x00,
        },{
            /*-- ID:1,字符:"好",ASCII编码:BAC3,对应字:宽x高=12x12,画布:宽W=16 高H=12,共24字节*/
            0x20,0x00,0x27,0xE0,0x20,0x40,0xF8,0x80,0x48,0x80,0x48,0xA0,0x57,0xF0,0x50,0x80,
            0x30,0x80,0x28,0x80,0x4A,0x80,0x81,0x00,
        },{
            /*-- ID:2,字符:"鸿",ASCII编码:BAE8,对应字:宽x高=12x12,画布:宽W=16 高H=12,共24字节*/
            0x00,0x40,0x80,0x80,0x5D,0xE0,0x09,0x20,0xC9,0xA0,0x09,0x60,0x29,0x00,0xCD,0xF0,
            0x58,0x10,0x43,0xD0,0x40,0x10,0x40,0x60,
        },{
            /*-- ID:3,字符:"蒙",ASCII编码:C3C9,对应字:宽x高=12x12,画布:宽W=16 高H=12,共24字节*/
            0x09,0x00,0x7F,0xE0,0x09,0x00,0x7F,0xF0,0x80,0x10,0x7F,0xE0,0x0C,0x40,0x32,0x80,
            0xC7,0x00,0x0A,0x80,0x32,0x70,0xC6,0x20
        }
    };

    ssd1306_Fill(Black);
    for (size_t i = 0; i < sizeof(fonts)/sizeof(fonts[0]); i++) {
        ssd1306_DrawRegion(i * H, 0, W, H, fonts[i], sizeof(fonts[0]), S);
    }

    ssd1306_SetCursor(64, 0);
    ssd1306_DrawRegion(64, 0, headSize[0], headSize[1], headData, sizeof(headData), headSize[0]);

    ssd1306_SetCursor(0, 64 - 8);
    ssd1306_DrawString("txwtech.com", Font_6x8, White);

    ssd1306_SetCursor(0, 64 - 8*2);
    ssd1306_DrawString("@xtang10", Font_6x8, White);

    ssd1306_UpdateScreen();
}

void TestShowChars(FontDef font, uint8_t w, uint8_t h)
{
    ssd1306_Fill(Black);

    uint8_t x = 0, y = 0;
    for (uint8_t c = 1; c < 128; c++) {
        if (isprint(c)) {
            ssd1306_SetCursor(x, y);
            ssd1306_DrawChar((char) c, font, White);
            x += w;
            if (x >= SSD1306_WIDTH) {
                x = 0;
                y += h;
            }
        }
    }

    ssd1306_UpdateScreen();
}

void Ssd1306TestTask(void* arg)
{
    (void) arg;
   // GpioInit();
   hi_gpio_init();
   // IoSetFunc(WIFI_IOT_IO_NAME_GPIO_13, WIFI_IOT_IO_FUNC_GPIO_13_I2C0_SDA);
   // IoSetFunc(WIFI_IOT_IO_NAME_GPIO_14, WIFI_IOT_IO_FUNC_GPIO_14_I2C0_SCL);
   // I2cInit(WIFI_IOT_I2C_IDX_0, OLED_I2C_BAUDRATE);

    hi_io_set_func(HI_IO_NAME_GPIO_13, HI_IO_FUNC_GPIO_13_I2C0_SDA);
    hi_io_set_func(HI_IO_NAME_GPIO_14, HI_IO_FUNC_GPIO_14_I2C0_SCL);
    hi_io_set_func(HI_I2C_IDX_0, OLED_I2C_BAUDRATE);

   // WatchDogDisable();
   hi_watchdog_disable();

    usleep(20*1000);
    ssd1306_Init();
    ssd1306_Fill(Black);
    ssd1306_SetCursor(0, 0);
    ssd1306_DrawString("Hello HarmonyOS!", Font_7x10, White);

    uint32_t start = HAL_GetTick();
    ssd1306_UpdateScreen();
    uint32_t end = HAL_GetTick();
    printf("ssd1306_UpdateScreen time cost: %d ms.\r\n", end - start);

    while (1) {
        TestDrawChinese1();
        osDelay(500);

        TestDrawChinese2();
        osDelay(500);

       // TestShowChars(Font_6x8, 6, 8);
       // osDelay(500);

      //  TestShowChars(Font_7x10, 7, 10);
      //  osDelay(500);

        ssd1306_TestAll();
    }
}

void Ssd1306TestDemo(void)
{
    osThreadAttr_t attr;

    attr.name = "Ssd1306Task";
    attr.attr_bits = 0U;
    attr.cb_mem = NULL;
    attr.cb_size = 0U;
    attr.stack_mem = NULL;
    attr.stack_size = 10240;
    attr.priority = osPriorityNormal;

    if (osThreadNew(Ssd1306TestTask, NULL, &attr) == NULL) {
        printf("[Ssd1306TestDemo] Falied to create Ssd1306TestTask!\n");
    }
}
APP_FEATURE_INIT(Ssd1306TestDemo);

examples文件夹的build.gn

# Copyright (c) 2020, HiHope Community.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from
#    this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

static_library("oled_test") {
    sources = [
        "ssd1306_demo.c",
        "ssd1306_tests.c",
    ]

    include_dirs = [
        "../ssd1306",
        "//utils/native/lite/include",
        "//kernel/liteos_m/components/cmsis/2.0",
        "//base/iot_hardware/interfaces/kits/wifiiot_lite",
        "//applications/sample/wifi-iot/app/ssd1306",
    ]
}

ssd1306文件夹的build.gn

# Copyright (c) 2020, HiHope Community.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from
#    this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

static_library("oled_ssd1306") {
    sources = [
        "ssd1306.c",
        "ssd1306_fonts.c",
    ]

    include_dirs = [
        "//utils/native/lite/include",
        "//kernel/liteos_m/components/cmsis/2.0",
        "//base/iot_hardware/interfaces/kits/wifiiot_lite",
    ]
}

ssd1306文件夹的ssd1306.c

#include "ssd1306.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>  // For memcpy

#include <stdio.h>
#include <unistd.h>
#include "cmsis_os2.h"
//#include "wifiiot_i2c.h"
//#include "wifiiot_errno.h"
#include "hi_errno.h" //code-2.0-canary,新添加的。txwtech
#include "hi_i2c.h"   //code-2.0-canary,新添加的。txwtech

#if defined(SSD1306_USE_I2C)
//#define SSD1306_I2C_IDX WIFI_IOT_I2C_IDX_0
#define SSD1306_I2C_IDX HI_I2C_IDX_0  //code-2.0-canary,新添加的。txwtech

#define SSD1306_CTRL_CMD 0x00
#define SSD1306_CTRL_DATA 0x40
#define SSD1306_MASK_CONT (0x1<<7)

void ssd1306_Reset(void) {
    /* for I2C - do nothing */
}

void HAL_Delay(uint32_t ms)
{
    uint32_t msPerTick = 1000 / osKernelGetTickFreq(); // 10ms
    if (ms >= msPerTick) {
        osDelay(ms / msPerTick);
    }

    uint32_t restMs = ms % msPerTick;
    if (restMs > 0) {
        usleep(restMs * 1000);
    }
}

uint32_t HAL_GetTick(void)
{
    uint32_t msPerTick = 1000 / osKernelGetTickFreq(); // 10ms
    uint32_t tickMs = osKernelGetTickCount() * msPerTick;

    uint32_t csPerMs = osKernelGetSysTimerFreq() / 1000; // 160K cycle/ms
    uint32_t csPerTick = csPerMs * msPerTick; // 1600K cycles/tick
    uint32_t restMs = osKernelGetSysTimerCount() % csPerTick / csPerMs;

    return tickMs + restMs;
}

static uint32_t ssd1306_SendData(uint8_t* data, size_t size)
{
   // WifiIotI2cIdx id = SSD1306_I2C_IDX;
   hi_i2c_idx id = SSD1306_I2C_IDX;
   // WifiIotI2cData i2cData = {0};
   hi_i2c_data i2cData = {0};
  //  i2cData.sendBuf = data;
   // i2cData.sendLen = size;
      i2cData.send_buf = data;
    i2cData.send_len = size;

   // return I2cWrite(id, SSD1306_I2C_ADDR, &i2cData);
   return hi_i2c_write(id, SSD1306_I2C_ADDR, &i2cData);
}

static uint32_t ssd1306_WiteByte(uint8_t regAddr, uint8_t byte)
{
    uint8_t buffer[] = {regAddr, byte};
    return ssd1306_SendData(buffer, sizeof(buffer));
}

// Send a byte to the command register
void ssd1306_WriteCommand(uint8_t byte) {
    ssd1306_WiteByte(SSD1306_CTRL_CMD, byte);
}

// Send data
void ssd1306_WriteData(uint8_t* buffer, size_t buff_size) {
    uint8_t data[SSD1306_WIDTH * 2] = {0};
    for (size_t i = 0; i < buff_size; i++) {
        data[i*2] = SSD1306_CTRL_DATA | SSD1306_MASK_CONT;
        data[i*2+1] = buffer[i];
    }
    data[(buff_size - 1) * 2] = SSD1306_CTRL_DATA;
    ssd1306_SendData(data, sizeof(data));
}

#elif defined(SSD1306_USE_SPI)

void ssd1306_Reset(void) {
    // CS = High (not selected)
    HAL_GPIO_WritePin(SSD1306_CS_Port, SSD1306_CS_Pin, GPIO_PIN_SET);

    // Reset the OLED
    HAL_GPIO_WritePin(SSD1306_Reset_Port, SSD1306_Reset_Pin, GPIO_PIN_RESET);
    HAL_Delay(10);
    HAL_GPIO_WritePin(SSD1306_Reset_Port, SSD1306_Reset_Pin, GPIO_PIN_SET);
    HAL_Delay(10);
}

// Send a byte to the command register
void ssd1306_WriteCommand(uint8_t byte) {
    HAL_GPIO_WritePin(SSD1306_CS_Port, SSD1306_CS_Pin, GPIO_PIN_RESET); // select OLED
    HAL_GPIO_WritePin(SSD1306_DC_Port, SSD1306_DC_Pin, GPIO_PIN_RESET); // command
    HAL_SPI_Transmit(&SSD1306_SPI_PORT, (uint8_t *) &byte, 1, HAL_MAX_DELAY);
    HAL_GPIO_WritePin(SSD1306_CS_Port, SSD1306_CS_Pin, GPIO_PIN_SET); // un-select OLED
}

// Send data
void ssd1306_WriteData(uint8_t* buffer, size_t buff_size) {
    HAL_GPIO_WritePin(SSD1306_CS_Port, SSD1306_CS_Pin, GPIO_PIN_RESET); // select OLED
    HAL_GPIO_WritePin(SSD1306_DC_Port, SSD1306_DC_Pin, GPIO_PIN_SET); // data
    HAL_SPI_Transmit(&SSD1306_SPI_PORT, buffer, buff_size, HAL_MAX_DELAY);
    HAL_GPIO_WritePin(SSD1306_CS_Port, SSD1306_CS_Pin, GPIO_PIN_SET); // un-select OLED
}

#else
#error "You should define SSD1306_USE_SPI or SSD1306_USE_I2C macro"
#endif


// Screenbuffer
static uint8_t SSD1306_Buffer[SSD1306_BUFFER_SIZE];

// Screen object
static SSD1306_t SSD1306;

/* Fills the Screenbuffer with values from a given buffer of a fixed length */
SSD1306_Error_t ssd1306_FillBuffer(uint8_t* buf, uint32_t len) {
    SSD1306_Error_t ret = SSD1306_ERR;
    if (len <= SSD1306_BUFFER_SIZE) {
        memcpy(SSD1306_Buffer,buf,len);
        ret = SSD1306_OK;
    }
    return ret;
}

// Initialize the oled screen
void ssd1306_Init(void) {
    // Reset OLED
    ssd1306_Reset();

    // Wait for the screen to boot
    HAL_Delay(100);

    // Init OLED
    ssd1306_SetDisplayOn(0); //display off

    ssd1306_WriteCommand(0x20); //Set Memory Addressing Mode
    ssd1306_WriteCommand(0x00); // 00b,Horizontal Addressing Mode; 01b,Vertical Addressing Mode;
                                // 10b,Page Addressing Mode (RESET); 11b,Invalid

    ssd1306_WriteCommand(0xB0); //Set Page Start Address for Page Addressing Mode,0-7

#ifdef SSD1306_MIRROR_VERT
    ssd1306_WriteCommand(0xC0); // Mirror vertically
#else
    ssd1306_WriteCommand(0xC8); //Set COM Output Scan Direction
#endif

    ssd1306_WriteCommand(0x00); //---set low column address
    ssd1306_WriteCommand(0x10); //---set high column address

    ssd1306_WriteCommand(0x40); //--set start line address - CHECK

    ssd1306_SetContrast(0xFF);

#ifdef SSD1306_MIRROR_HORIZ
    ssd1306_WriteCommand(0xA0); // Mirror horizontally
#else
    ssd1306_WriteCommand(0xA1); //--set segment re-map 0 to 127 - CHECK
#endif

#ifdef SSD1306_INVERSE_COLOR
    ssd1306_WriteCommand(0xA7); //--set inverse color
#else
    ssd1306_WriteCommand(0xA6); //--set normal color
#endif

// Set multiplex ratio.
#if (SSD1306_HEIGHT == 128)
    // Found in the Luma Python lib for SH1106.
    ssd1306_WriteCommand(0xFF);
#else
    ssd1306_WriteCommand(0xA8); //--set multiplex ratio(1 to 64) - CHECK
#endif

#if (SSD1306_HEIGHT == 32)
    ssd1306_WriteCommand(0x1F); //
#elif (SSD1306_HEIGHT == 64)
    ssd1306_WriteCommand(0x3F); //
#elif (SSD1306_HEIGHT == 128)
    ssd1306_WriteCommand(0x3F); // Seems to work for 128px high displays too.
#else
#error "Only 32, 64, or 128 lines of height are supported!"
#endif

    ssd1306_WriteCommand(0xA4); //0xa4,Output follows RAM content;0xa5,Output ignores RAM content

    ssd1306_WriteCommand(0xD3); //-set display offset - CHECK
    ssd1306_WriteCommand(0x00); //-not offset

    ssd1306_WriteCommand(0xD5); //--set display clock divide ratio/oscillator frequency
    ssd1306_WriteCommand(0xF0); //--set divide ratio

    ssd1306_WriteCommand(0xD9); //--set pre-charge period
    ssd1306_WriteCommand(0x11); // 0x22 by default

    ssd1306_WriteCommand(0xDA); //--set com pins hardware configuration - CHECK
#if (SSD1306_HEIGHT == 32)
    ssd1306_WriteCommand(0x02);
#elif (SSD1306_HEIGHT == 64)
    ssd1306_WriteCommand(0x12);
#elif (SSD1306_HEIGHT == 128)
    ssd1306_WriteCommand(0x12);
#else
#error "Only 32, 64, or 128 lines of height are supported!"
#endif

    ssd1306_WriteCommand(0xDB); //--set vcomh
    ssd1306_WriteCommand(0x30); //0x20,0.77xVcc, 0x30,0.83xVcc

    ssd1306_WriteCommand(0x8D); //--set DC-DC enable
    ssd1306_WriteCommand(0x14); //
    ssd1306_SetDisplayOn(1); //--turn on SSD1306 panel

    // Clear screen
    ssd1306_Fill(Black);

    // Flush buffer to screen
    ssd1306_UpdateScreen();

    // Set default values for screen object
    SSD1306.CurrentX = 0;
    SSD1306.CurrentY = 0;

    SSD1306.Initialized = 1;
}

// Fill the whole screen with the given color
void ssd1306_Fill(SSD1306_COLOR color) {
    /* Set memory */
    uint32_t i;

    for(i = 0; i < sizeof(SSD1306_Buffer); i++) {
        SSD1306_Buffer[i] = (color == Black) ? 0x00 : 0xFF;
    }
}

// Write the screenbuffer with changed to the screen
void ssd1306_UpdateScreen(void) {
    // Write data to each page of RAM. Number of pages
    // depends on the screen height:
    //
    //  * 32px   ==  4 pages
    //  * 64px   ==  8 pages
    //  * 128px  ==  16 pages

    uint8_t cmd[] = {
        0X21,   // 设置列起始和结束地址
        0X00,   // 列起始地址 0
        0X7F,   // 列终止地址 127
        0X22,   // 设置页起始和结束地址
        0X00,   // 页起始地址 0
        0X07,   // 页终止地址 7
    };
    uint32_t count = 0;
    uint8_t data[sizeof(cmd)*2 + SSD1306_BUFFER_SIZE + 1] = {};

    // copy cmd
    for (uint32_t i = 0; i < sizeof(cmd)/sizeof(cmd[0]); i++) {
        data[count++] = SSD1306_CTRL_CMD | SSD1306_MASK_CONT;
        data[count++] = cmd[i];
    }

    // copy frame data
    data[count++] = SSD1306_CTRL_DATA;
    memcpy(&data[count], SSD1306_Buffer, sizeof(SSD1306_Buffer));
    count += sizeof(SSD1306_Buffer);

    // send to i2c bus
    uint32_t retval = ssd1306_SendData(data, count);
   // if (retval != WIFI_IOT_SUCCESS) {
        code-2.0-canary,新添加的。txwtech
         if (retval != HI_ERR_SUCCESS) {
   
        printf("ssd1306_UpdateScreen send frame data filed: %d!\r\n", retval);
    }
}

//    Draw one pixel in the screenbuffer
//    X => X Coordinate
//    Y => Y Coordinate
//    color => Pixel color
void ssd1306_DrawPixel(uint8_t x, uint8_t y, SSD1306_COLOR color) {
    if(x >= SSD1306_WIDTH || y >= SSD1306_HEIGHT) {
        // Don't write outside the buffer
        return;
    }

    // Check if pixel should be inverted
    if(SSD1306.Inverted) {
        color = (SSD1306_COLOR)!color;
    }

    // Draw in the right color
    if(color == White) {
        SSD1306_Buffer[x + (y / 8) * SSD1306_WIDTH] |= 1 << (y % 8);
    } else {
        SSD1306_Buffer[x + (y / 8) * SSD1306_WIDTH] &= ~(1 << (y % 8));
    }
}

// Draw 1 char to the screen buffer
// ch       => char om weg te schrijven
// Font     => Font waarmee we gaan schrijven
// color    => Black or White
char ssd1306_DrawChar(char ch, FontDef Font, SSD1306_COLOR color) {
    uint32_t i, b, j;

    // Check if character is valid
    if (ch < 32 || ch > 126)
        return 0;

    // Check remaining space on current line
    if (SSD1306_WIDTH < (SSD1306.CurrentX + Font.FontWidth) ||
        SSD1306_HEIGHT < (SSD1306.CurrentY + Font.FontHeight))
    {
        // Not enough space on current line
        return 0;
    }

    // Use the font to write
    for(i = 0; i < Font.FontHeight; i++) {
        b = Font.data[(ch - 32) * Font.FontHeight + i];
        for(j = 0; j < Font.FontWidth; j++) {
            if((b << j) & 0x8000)  {
                ssd1306_DrawPixel(SSD1306.CurrentX + j, (SSD1306.CurrentY + i), (SSD1306_COLOR) color);
            } else {
                ssd1306_DrawPixel(SSD1306.CurrentX + j, (SSD1306.CurrentY + i), (SSD1306_COLOR)!color);
            }
        }
    }

    // The current space is now taken
    SSD1306.CurrentX += Font.FontWidth;

    // Return written char for validation
    return ch;
}

// Write full string to screenbuffer
char ssd1306_DrawString(char* str, FontDef Font, SSD1306_COLOR color) {
    // Write until null-byte
    while (*str) {
        if (ssd1306_DrawChar(*str, Font, color) != *str) {
            // Char could not be written
            return *str;
        }

        // Next char
        str++;
    }

    // Everything ok
    return *str;
}

// Position the cursor
void ssd1306_SetCursor(uint8_t x, uint8_t y) {
    SSD1306.CurrentX = x;
    SSD1306.CurrentY = y;
}

// Draw line by Bresenhem's algorithm
void ssd1306_DrawLine(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, SSD1306_COLOR color) {
  int32_t deltaX = abs(x2 - x1);
  int32_t deltaY = abs(y2 - y1);
  int32_t signX = ((x1 < x2) ? 1 : -1);
  int32_t signY = ((y1 < y2) ? 1 : -1);
  int32_t error = deltaX - deltaY;
  int32_t error2;

  ssd1306_DrawPixel(x2, y2, color);
    while((x1 != x2) || (y1 != y2))
    {
    ssd1306_DrawPixel(x1, y1, color);
    error2 = error * 2;
    if(error2 > -deltaY)
    {
      error -= deltaY;
      x1 += signX;
    }
    else
    {
    /*nothing to do*/
    }

    if(error2 < deltaX)
    {
      error += deltaX;
      y1 += signY;
    }
    else
    {
    /*nothing to do*/
    }
  }
  return;
}
//Draw polyline
void ssd1306_DrawPolyline(const SSD1306_VERTEX *par_vertex, uint16_t par_size, SSD1306_COLOR color) {
  uint16_t i;
  if(par_vertex != 0){
    for(i = 1; i < par_size; i++){
      ssd1306_DrawLine(par_vertex[i - 1].x, par_vertex[i - 1].y, par_vertex[i].x, par_vertex[i].y, color);
    }
  }
  else
  {
    /*nothing to do*/
  }
  return;
}
/*Convert Degrees to Radians*/
static float ssd1306_DegToRad(float par_deg) {
    return par_deg * 3.14 / 180.0;
}
/*Normalize degree to [0;360]*/
static uint16_t ssd1306_NormalizeTo0_360(uint16_t par_deg) {
  uint16_t loc_angle;
  if(par_deg <= 360)
  {
    loc_angle = par_deg;
  }
  else
  {
    loc_angle = par_deg % 360;
    loc_angle = ((par_deg != 0)?par_deg:360);
  }
  return loc_angle;
}
/*DrawArc. Draw angle is beginning from 4 quart of trigonometric circle (3pi/2)
 * start_angle in degree
 * sweep in degree
 */
void ssd1306_DrawArc(uint8_t x, uint8_t y, uint8_t radius, uint16_t start_angle, uint16_t sweep, SSD1306_COLOR color) {
    #define CIRCLE_APPROXIMATION_SEGMENTS 36
    float approx_degree;
    uint32_t approx_segments;
    uint8_t xp1,xp2;
    uint8_t yp1,yp2;
    uint32_t count = 0;
    uint32_t loc_sweep = 0;
    float rad;

    loc_sweep = ssd1306_NormalizeTo0_360(sweep);

    count = (ssd1306_NormalizeTo0_360(start_angle) * CIRCLE_APPROXIMATION_SEGMENTS) / 360;
    approx_segments = (loc_sweep * CIRCLE_APPROXIMATION_SEGMENTS) / 360;
    approx_degree = loc_sweep / (float)approx_segments;
    while(count < approx_segments)
    {
        rad = ssd1306_DegToRad(count*approx_degree);
        xp1 = x + (int8_t)(sin(rad)*radius);
        yp1 = y + (int8_t)(cos(rad)*radius);
        count++;
        if(count != approx_segments)
        {
            rad = ssd1306_DegToRad(count*approx_degree);
        }
        else
        {
            rad = ssd1306_DegToRad(loc_sweep);
        }
        xp2 = x + (int8_t)(sin(rad)*radius);
        yp2 = y + (int8_t)(cos(rad)*radius);
        ssd1306_DrawLine(xp1,yp1,xp2,yp2,color);
    }

    return;
}
//Draw circle by Bresenhem's algorithm
void ssd1306_DrawCircle(uint8_t par_x,uint8_t par_y,uint8_t par_r,SSD1306_COLOR par_color) {
  int32_t x = -par_r;
  int32_t y = 0;
  int32_t err = 2 - 2 * par_r;
  int32_t e2;

  if (par_x >= SSD1306_WIDTH || par_y >= SSD1306_HEIGHT) {
    return;
  }

    do {
      ssd1306_DrawPixel(par_x - x, par_y + y, par_color);
      ssd1306_DrawPixel(par_x + x, par_y + y, par_color);
      ssd1306_DrawPixel(par_x + x, par_y - y, par_color);
      ssd1306_DrawPixel(par_x - x, par_y - y, par_color);
        e2 = err;
        if (e2 <= y) {
            y++;
            err = err + (y * 2 + 1);
            if(-x == y && e2 <= x) {
              e2 = 0;
            }
            else
            {
              /*nothing to do*/
            }
        }
        else
        {
          /*nothing to do*/
        }
        if(e2 > x) {
          x++;
          err = err + (x * 2 + 1);
        }
        else
        {
          /*nothing to do*/
        }
    } while(x <= 0);

    return;
}

//Draw rectangle
void ssd1306_DrawRectangle(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, SSD1306_COLOR color) {
  ssd1306_DrawLine(x1,y1,x2,y1,color);
  ssd1306_DrawLine(x2,y1,x2,y2,color);
  ssd1306_DrawLine(x2,y2,x1,y2,color);
  ssd1306_DrawLine(x1,y2,x1,y1,color);

  return;
}

void ssd1306_DrawBitmap(const uint8_t* bitmap, uint32_t size)
{
    uint8_t rows = size * 8 / SSD1306_WIDTH;
    if (rows > SSD1306_HEIGHT) {
        rows = SSD1306_HEIGHT;
    }
    for (uint8_t y = 0; y < rows; y++) {
        for (uint8_t x = 0; x < SSD1306_WIDTH; x++) {
            uint8_t byte = bitmap[(y * SSD1306_WIDTH / 8) + (x / 8)];
            uint8_t bit = byte & (0x80 >> (x % 8));
            ssd1306_DrawPixel(x, y, bit ? White : Black);
        }
    }
}

void ssd1306_DrawRegion(uint8_t x, uint8_t y, uint8_t w, uint8_t h, const uint8_t* data, uint32_t size, uint32_t stride)
{
    if (x + w > SSD1306_WIDTH || y + h > SSD1306_HEIGHT || w * h == 0) {
        printf("%dx%d @ %d,%d out of range or invalid!\r\n", w, h, x, y);
        return;
    }

    w = (w <= SSD1306_WIDTH ? w : SSD1306_WIDTH);
    h = (h <= SSD1306_HEIGHT ? h : SSD1306_HEIGHT);
    stride = (stride == 0 ? w : stride);

    uint8_t rows = size * 8 / stride;
    for (uint8_t i = 0; i < rows; i++) {
        uint32_t base = i * stride / 8;
        for (uint8_t j = 0; j < w; j++) {
            uint32_t idx = base + (j / 8);
            uint8_t byte = idx < size ? data[idx] : 0;
            uint8_t bit  = byte & (0x80 >> (j % 8));
            ssd1306_DrawPixel(x + j, y + i, bit ? White : Black);
        }
    }
}

void ssd1306_SetContrast(const uint8_t value) {
    const uint8_t kSetContrastControlRegister = 0x81;
    ssd1306_WriteCommand(kSetContrastControlRegister);
    ssd1306_WriteCommand(value);
}

void ssd1306_SetDisplayOn(const uint8_t on) {
    uint8_t value;
    if (on) {
        value = 0xAF;   // Display on
        SSD1306.DisplayOn = 1;
    } else {
        value = 0xAE;   // Display off
        SSD1306.DisplayOn = 0;
    }
    ssd1306_WriteCommand(value);
}

uint8_t ssd1306_GetDisplayOn() {
    return SSD1306.DisplayOn;
}

app/build.gn

# Copyright (c) 2020 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("//build/lite/config/component/lite_component.gni")

lite_component("app") {
    features = [
       "ssd1306:oled_ssd1306",
        "examples:oled_test",
        "libm_port:libm_port"
    ]
}

c_cpp_properties.json

{
    "configurations": [
        {
            "name": "!!! WARNING !!! AUTO-GENERATED FILE, PLEASE DO NOT MODIFY IT"
        },
        {
            "name": "Win32-debug",
            "includePath": [
                //"F:/code-2.0-canary/include",
                "F:/code-2.0-canary/src",
                "F:/utils/native/lite/include",
                "F:/domains/iot/link/libbuild",
                "F:/base/iot_hardware/peripheral/interfaces/kits",
                "F:/third_party/cmsis/CMSIS/RTOS2/Include",
                "F:/code-2.0-canary/device/hisilicon/hispark_pegasus/sdk_liteos/include",
                "F:/code-2.0-canary/applications/sample/wifi-iot/app/ssd1306",
                "F:/code-2.0-canary/applications/sample/wifi-iot/app/libm_port",
                //"F:/code-2.0-canary/third_party/mingw-w64/mingw-w64-headers/crt",
                ""
            ],
            "browse": {
                "limitSymbolsToIncludedHeaders": true,
                "path": [
                    "F:/code-2.0-canary/include",
                    "F:/code-2.0-canary/src",
                    "F:/code-2.0-canary/utils/native/lite/include",
                    ""
                ]
            },
            "defines": [
                ""
            ],
            "intelliSenseMode": "clang-x64",
            "compilerPath": "F:/hcc_riscv32_win/bin/riscv32-unknown-elf-gcc.exe",
            "compilerArgs": [
                ""
            ]
        }
    ],
    "version": 4
}