From 0cb345ed5ccbe786d0a7e7e2de740c0a07b82770 Mon Sep 17 00:00:00 2001
From: ozpv <39195175+ozpv@users.noreply.github.com>
Date: Wed, 19 Aug 2026 21:34:09 -0500
Subject: sdram and ringmod effect

---
 Core/Src/quadspi.c | 27 ++++-----------------------
 1 file changed, 4 insertions(+), 23 deletions(-)

(limited to 'Core/Src/quadspi.c')

diff --git a/Core/Src/quadspi.c b/Core/Src/quadspi.c
index 8572981..e5346af 100755
--- a/Core/Src/quadspi.c
+++ b/Core/Src/quadspi.c
@@ -42,7 +42,7 @@ void MX_QUADSPI_Init(void)
   hqspi.Init.FifoThreshold = 4;
   hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE;
   hqspi.Init.FlashSize = 23;
-  hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_1_CYCLE;
+  hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_2_CYCLE;
   hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0;
   hqspi.Init.FlashID = QSPI_FLASH_ID_1;
   hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE;
@@ -60,30 +60,11 @@ void HAL_QSPI_MspInit(QSPI_HandleTypeDef* qspiHandle)
 {
 
   GPIO_InitTypeDef GPIO_InitStruct = {0};
-  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
   if(qspiHandle->Instance==QUADSPI)
   {
   /* USER CODE BEGIN QUADSPI_MspInit 0 */
 
   /* USER CODE END QUADSPI_MspInit 0 */
-
-  /** Initializes the peripherals clock
-  */
-    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_QSPI;
-    PeriphClkInitStruct.PLL2.PLL2M = 2;
-    PeriphClkInitStruct.PLL2.PLL2N = 16;
-    PeriphClkInitStruct.PLL2.PLL2P = 2;
-    PeriphClkInitStruct.PLL2.PLL2Q = 2;
-    PeriphClkInitStruct.PLL2.PLL2R = 1;
-    PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_3;
-    PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
-    PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
-    PeriphClkInitStruct.QspiClockSelection = RCC_QSPICLKSOURCE_PLL2;
-    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
-    {
-      Error_Handler();
-    }
-
     /* QUADSPI clock enable */
     __HAL_RCC_QSPI_CLK_ENABLE();
 
@@ -100,21 +81,21 @@ void HAL_QSPI_MspInit(QSPI_HandleTypeDef* qspiHandle)
     GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
     HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
 
     GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
     HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
 
     GPIO_InitStruct.Pin = GPIO_PIN_6;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
     HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
 
-- 
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