From 065e3b4c5b820d86f4a54985e9953c9f320970fc Mon Sep 17 00:00:00 2001
From: qiuxin <qiuxin@wuxismart.com>
Date: Thu, 29 May 2025 18:08:02 +0800
Subject: [PATCH] =?UTF-8?q?SPI3=E8=AE=BE=E7=BD=AE=E4=B8=BA=E4=B8=8A?=
 =?UTF-8?q?=E6=8B=89=E8=BE=93=E5=87=BA=E6=95=B0=E6=8D=AEOK?=
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---
 User/system/user_spi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/User/system/user_spi.c b/User/system/user_spi.c
index 524cdbf..fb3c9bd 100644
--- a/User/system/user_spi.c
+++ b/User/system/user_spi.c
@@ -153,7 +153,7 @@ void dac8568_spi_init(void)
     // 配置SPI3引脚 (PC10-SCK, PC12-MOSI)
     GPIO_InitStruct.Pin = GPIO_PIN_10 | GPIO_PIN_12;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
-    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Pull = GPIO_PULLUP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
     HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
@@ -181,7 +181,7 @@ void dac8568_spi_init(void)
     hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;      // CPOL = 0
     hspi3.Init.CLKPhase = SPI_PHASE_1EDGE;          // CPHA = 0
     hspi3.Init.NSS = SPI_NSS_SOFT;
-    hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;  // 提高SPI速度
+    hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;  // 提高SPI速度
     hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
     hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
     hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;