sdram and ringmod effect

1 files changed, 8 insertions, 18 deletions

diff --git a/Core/Src/fmc.c b/Core/Src/fmc.c
index ae14948..b1eac4d 100755
--- a/Core/Src/fmc.c
+++ b/Core/Src/fmc.c
@@ -53,15 +53,15 @@ void MX_FMC_Init(void)
   hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;

   hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;

   hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_ENABLE;

-  hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;

+  hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_2;

   /* SdramTiming */

-  SdramTiming.LoadToActiveDelay = 16;

-  SdramTiming.ExitSelfRefreshDelay = 12;

-  SdramTiming.SelfRefreshTime = 16;

-  SdramTiming.RowCycleDelay = 10;

-  SdramTiming.WriteRecoveryTime = 16;

-  SdramTiming.RPDelay = 3;

-  SdramTiming.RCDDelay = 3;

+  SdramTiming.LoadToActiveDelay = 2;

+  SdramTiming.ExitSelfRefreshDelay = 8;

+  SdramTiming.SelfRefreshTime = 5;

+  SdramTiming.RowCycleDelay = 6;

+  SdramTiming.WriteRecoveryTime = 3;

+  SdramTiming.RPDelay = 2;

+  SdramTiming.RCDDelay = 2;

 

   if (HAL_SDRAM_Init(&hsdram1, &SdramTiming) != HAL_OK)

   {

@@ -84,16 +84,6 @@ static void HAL_FMC_MspInit(void){
     return;

   }

   FMC_Initialized = 1;

-  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

-

-  /** Initializes the peripherals clock

-  */

-    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_FMC;

-    PeriphClkInitStruct.FmcClockSelection = RCC_FMCCLKSOURCE_PLL;

-    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)

-    {

-      Error_Handler();

-    }

 

   /* Peripheral clock enable */

   __HAL_RCC_FMC_CLK_ENABLE();