gd32 ipa加速

发布于 2021-09-13 15:31:39 浏览：2153 订阅该版

3 个回答

aozima 2021-09-13

调网络不抓包，调I2C等时序不上逻辑分析仪，就像电工不用万用表！多用整理的好的文字，比截图更省流量，还能在整理过程中思考。

嚜軒公告 2021-09-13

努力中

aozima 2021-09-13

调网络不抓包，调I2C等时序不上逻辑分析仪，就像电工不用万用表！多用整理的好的文字，比截图更省流量，还能在整理过程中思考。

嚜軒公告 2021-09-14

努力中

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寻找GUI 2021-09-14

没有最终的成功，也没有致命的失败，可贵的是继续前进的勇气

嚜軒公告 2021-09-14

努力中

嚜軒公告 2021-09-14

努力中

```c
tli_parameter_struct               tli_init_struct;
    tli_layer_parameter_struct         tli_layer_init_struct;

rcu_periph_clock_enable(RCU_TLI);
    /* configure PLLSAI to generate TLI clock */
    if(ERROR == rcu_pllsai_config(219, 2, 3)){
        while(1);
    }
    rcu_tli_clock_div_config(RCU_PLLSAIR_DIV8);
    
    rcu_osci_on(RCU_PLLSAI_CK);
    
    if(ERROR == rcu_osci_stab_wait(RCU_PLLSAI_CK)){
        while(1);
    }

/* 设置HS、VS、DE几个引脚空闲状态高低电平状态 */
    tli_init_struct.signalpolarity_hs = TLI_HSYN_ACTLIVE_LOW;
    tli_init_struct.signalpolarity_vs = TLI_VSYN_ACTLIVE_LOW;
    tli_init_struct.signalpolarity_de = TLI_DE_ACTLIVE_LOW;
    tli_init_struct.signalpolarity_pixelck = TLI_PIXEL_CLOCK_TLI;
    /* 配置前后空闲时序，可以通过bpsz实现局部范围内的图像显示 */
    tli_init_struct.synpsz_hpsz = HORIZONTAL_SYNCHRONOUS_PULSE  - 1;
    tli_init_struct.synpsz_vpsz = VERTICAL_SYNCHRONOUS_PULSE  - 1;
    
    tli_init_struct.backpsz_hbpsz = HORIZONTAL_SYNCHRONOUS_PULSE + HORIZONTAL_BACK_PORCH - 1;
    tli_init_struct.backpsz_vbpsz = VERTICAL_SYNCHRONOUS_PULSE + VERTICAL_BACK_PORCH - 1;
    
    tli_init_struct.activesz_hasz = HORIZONTAL_SYNCHRONOUS_PULSE + HORIZONTAL_BACK_PORCH + ACTIVE_WIDTH - 1;
    tli_init_struct.activesz_vasz = VERTICAL_SYNCHRONOUS_PULSE + VERTICAL_BACK_PORCH + ACTIVE_HEIGHT - 1;
    
    tli_init_struct.totalsz_htsz = HORIZONTAL_SYNCHRONOUS_PULSE + HORIZONTAL_BACK_PORCH + ACTIVE_WIDTH + HORIZONTAL_FRONT_PORCH - 1;
    tli_init_struct.totalsz_vtsz = VERTICAL_SYNCHRONOUS_PULSE + VERTICAL_BACK_PORCH + ACTIVE_HEIGHT + VERTICAL_FRONT_PORCH - 1;
    /* 设置背景颜色 */
    tli_init_struct.backcolor_red = 0;
    tli_init_struct.backcolor_green = 0;
    tli_init_struct.backcolor_blue = 0;
    tli_init(&tli_init_struct);

/* TLI单一层显示 */
    tli_layer_init_struct.layer_window_leftpos = HORIZONTAL_SYNCHRONOUS_PULSE + HORIZONTAL_BACK_PORCH;
    tli_layer_init_struct.layer_window_rightpos = (Lcd_Width + HORIZONTAL_SYNCHRONOUS_PULSE + HORIZONTAL_BACK_PORCH - 1);
    tli_layer_init_struct.layer_window_toppos = VERTICAL_SYNCHRONOUS_PULSE + VERTICAL_BACK_PORCH;
    tli_layer_init_struct.layer_window_bottompos = (Lcd_Height + VERTICAL_SYNCHRONOUS_PULSE + VERTICAL_BACK_PORCH - 1);
    /* 设置像素格式RGB565 */
    tli_layer_init_struct.layer_ppf = LAYER_PPF_RGB565;
    /* 设置层的透明程度 */
    tli_layer_init_struct.layer_sa = 255;    tli_layer_init_struct.layer_default_alpha = 0;
    tli_layer_init_struct.layer_default_blue = 0;
    tli_layer_init_struct.layer_default_green = 0;
    tli_layer_init_struct.layer_default_red = 0;
    /* 设置缓冲区及缓冲区数据组织形式，每行多少数据、多少行。 */
    tli_layer_init_struct.layer_frame_bufaddr = (uint32_t)SDRAM_LCD_BUF1;
    tli_layer_init_struct.layer_frame_line_length = ((Lcd_Width * 2) + 3);
    tli_layer_init_struct.layer_frame_buf_stride_offset = (Lcd_Width * 2);
    tli_layer_init_struct.layer_frame_total_line_number = Lcd_Height;
    tli_layer_init(LAYER1, &tli_layer_init_struct); tli_dither_config(TLI_DITHER_ENABLE);
```

嚜軒公告 2021-09-14

努力中

```c
exmc_sdram_parameter_struct           sdram_init_struct;
    exmc_sdram_timing_parameter_struct    sdram_timing_init_struct;
    exmc_sdram_command_parameter_struct   sdram_command_init_struct;
	uint32_t command_content = 0, bank_select;
	uint32_t timeout = SDRAM_TIMEOUT;
    
   /* specify which SDRAM to read and write */
    if(EXMC_SDRAM_DEVICE0 == sdram_device)
      {
        bank_select = EXMC_SDRAM_DEVICE0_SELECT;
      }
    else
      {
        bank_select = EXMC_SDRAM_DEVICE1_SELECT;
      }

/* EXMC SDRAM device initialization sequence --------------------------------*/
    /* Step 1 : configure SDRAM timing registers --------------------------------*/
    /* LMRD: 2 clock cycles */
    sdram_timing_init_struct.load_mode_register_delay = 2;
    /* XSRD: min = 67ns */
    sdram_timing_init_struct.exit_selfrefresh_delay = 7; 
    /* RASD: min=42ns , max=120k (ns) */
    sdram_timing_init_struct.row_address_select_delay = 5;
    /* ARFD: min=60ns */
    sdram_timing_init_struct.auto_refresh_delay = 6;
    /* WRD:  min=1 Clock cycles +6ns */
    sdram_timing_init_struct.write_recovery_delay = 2;
    /* RPD:  min=18ns */
    sdram_timing_init_struct.row_precharge_delay = 2;
    /* RCD:  min=18ns */
    sdram_timing_init_struct.row_to_column_delay = 2;
    
    /* step 2 : configure SDRAM control registers ---------------------------------*/
    sdram_init_struct.sdram_device = sdram_device;
    sdram_init_struct.column_address_width = EXMC_SDRAM_COW_ADDRESS_9;
    sdram_init_struct.row_address_width = EXMC_SDRAM_ROW_ADDRESS_13;
    sdram_init_struct.data_width = EXMC_SDRAM_DATABUS_WIDTH_16B;
    sdram_init_struct.internal_bank_number = EXMC_SDRAM_4_INTER_BANK;
    sdram_init_struct.cas_latency = EXMC_CAS_LATENCY_3_SDCLK; 
    sdram_init_struct.write_protection = DISABLE;
    sdram_init_struct.sdclock_config = EXMC_SDCLK_PERIODS_2_HCLK;  
    sdram_init_struct.brust_read_switch = ENABLE;
    sdram_init_struct.pipeline_read_delay = EXMC_PIPELINE_DELAY_1_HCLK;
    sdram_init_struct.timing  = &sdram_timing_init_struct;
    /* EXMC SDRAM bank initialization */
    exmc_sdram_init(&sdram_init_struct);

/* step 3 : configure CKE high command---------------------------------------*/
    sdram_command_init_struct.command = EXMC_SDRAM_CLOCK_ENABLE;
    sdram_command_init_struct.bank_select = bank_select;
    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_1_SDCLK;
    sdram_command_init_struct.mode_register_content = 0;
    /* wait until the SDRAM controller is ready */ 
    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0))
      {
        timeout--;
      }
    /* send the command */
    exmc_sdram_command_config(&sdram_command_init_struct);

/* step 4 : insert 10ms delay----------------------------------------------*/
    delay_ms(10);
    /* step 5 : configure precharge all command----------------------------------*/
    sdram_command_init_struct.command = EXMC_SDRAM_PRECHARGE_ALL;
    sdram_command_init_struct.bank_select = bank_select;
    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_1_SDCLK;
    sdram_command_init_struct.mode_register_content = 0;
    /* wait until the SDRAM controller is ready */
    timeout = SDRAM_TIMEOUT; 
    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0))
      {
        timeout--;
      }
    /* send the command */
    exmc_sdram_command_config(&sdram_command_init_struct);

/* step 6 : configure Auto-Refresh command-----------------------------------*/
    sdram_command_init_struct.command = EXMC_SDRAM_AUTO_REFRESH;
    sdram_command_init_struct.bank_select = bank_select;
    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_8_SDCLK;
    sdram_command_init_struct.mode_register_content = 0;
    /* wait until the SDRAM controller is ready */ 
    timeout = SDRAM_TIMEOUT; 
    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0))
      {
        timeout--;
      }
    /* send the command */
    exmc_sdram_command_config(&sdram_command_init_struct);

/* step 7 : configure load mode register command-----------------------------*/
    /* program mode register */
    command_content = (uint32_t)SDRAM_MODEREG_BURST_LENGTH_1        |
                                SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   |
                                SDRAM_MODEREG_CAS_LATENCY_3           |
                                SDRAM_MODEREG_OPERATING_MODE_STANDARD |
                                SDRAM_MODEREG_WRITEBURST_MODE_SINGLE;

sdram_command_init_struct.command = EXMC_SDRAM_LOAD_MODE_REGISTER;
    sdram_command_init_struct.bank_select = bank_select;
    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_1_SDCLK;
    sdram_command_init_struct.mode_register_content = command_content;

/* wait until the SDRAM controller is ready */ 
    timeout = SDRAM_TIMEOUT; 
    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0))
      {
        timeout--;
      }
    /* send the command */
    exmc_sdram_command_config(&sdram_command_init_struct);

/* step 8 : set the auto-refresh rate counter--------------------------------*/
    /* 64ms, 8192-cycle refresh, 64ms/8192=7.81us */
    /* SDCLK_Freq = SYS_Freq/2 */
    /* (7.81 us * SDCLK_Freq) - 20 */
    exmc_sdram_refresh_count_set(761);