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stm32f407_lvgl_8080lcd: slightly overclock mcu to 192mhz

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wangyz1997 2024-01-07 23:34:23 +08:00
parent a65653b76e
commit 8865ab607f
3 changed files with 7 additions and 7 deletions
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10
stm32f407_lvgl_8080lcd/Core/Src/main.c
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@ -135,9 +135,9 @@ void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 4; RCC_OscInitStruct.PLL.PLLM = 4;
RCC_OscInitStruct.PLL.PLLN = 168; RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7; RCC_OscInitStruct.PLL.PLLQ = 8;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{ {
Error_Handler(); Error_Handler();
@ -152,7 +152,7 @@ void SystemClock_Config(void)
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{ {
Error_Handler(); Error_Handler();
} }
@ -178,7 +178,7 @@ static void MX_TIM3_Init(void)
/* USER CODE END TIM3_Init 1 */ /* USER CODE END TIM3_Init 1 */
htim3.Instance = TIM3; htim3.Instance = TIM3;
htim3.Init.Prescaler = 167; htim3.Init.Prescaler = SystemCoreClock / 1000000 - 1;
htim3.Init.CounterMode = TIM_COUNTERMODE_UP; htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
htim3.Init.Period = 999; htim3.Init.Period = 999;
htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
@ -235,7 +235,7 @@ static void MX_TIM6_Init(void)
/* USER CODE END TIM6_Init 1 */ /* USER CODE END TIM6_Init 1 */
htim6.Instance = TIM6; htim6.Instance = TIM6;
htim6.Init.Prescaler = 83; htim6.Init.Prescaler = SystemCoreClock / 1000000 / 2 - 1;
htim6.Init.CounterMode = TIM_COUNTERMODE_UP; htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
htim6.Init.Period = 999; htim6.Init.Period = 999;
htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;

2
stm32f407_lvgl_8080lcd/MDK-ARM/stm32f407_lvgl_8080lcd.uvoptx
View File

@ -120,7 +120,7 @@
<SetRegEntry> <SetRegEntry>
<Number>0</Number> <Number>0</Number>
<Key>CMSIS_AGDI</Key> <Key>CMSIS_AGDI</Key>
<Name>-X"Any" -UAny -O206 -S8 -C0 -P00000000 -N00("") -D00(00000000) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO11 -FD20000000 -FC1000 -FN1 -FF0STM32F4xx_1024.FLM -FS08000000 -FL0100000 -FP0($$Device:STM32F407ZGTx$CMSIS\Flash\STM32F4xx_1024.FLM)</Name> <Name>-X"Any" -UAny -O206 -S8 -C0 -P00000000 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO11 -FD20000000 -FC1000 -FN1 -FF0STM32F4xx_1024.FLM -FS08000000 -FL0100000 -FP0($$Device:STM32F407ZGTx$CMSIS\Flash\STM32F4xx_1024.FLM)</Name>
</SetRegEntry> </SetRegEntry>
<SetRegEntry> <SetRegEntry>
<Number>0</Number> <Number>0</Number>

2
stm32f407_lvgl_8080lcd/README.md
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@ -1,6 +1,6 @@
# 基于STM32F407ZG与320480 LCD的LVGL例程 # 基于STM32F407ZG与320480 LCD的LVGL例程
- lvgl 8.3.8 - lvgl 8.3.8
- 裸机，无RTOS - 裸机，无RTOS，CPU略微超频至192MHz
- `ILI9486`主控，320*480分辨率的LCD - `ILI9486`主控，320*480分辨率的LCD
- lvgl的堆放置于CCM内存中 - lvgl的堆放置于CCM内存中