Reverting back to older SPI BaudRate and GPIO Speed for stability

particle-iot-archived · Jan 16, 2014 · 953cedb · 953cedb
1 parent 613e60d
commit 953cedb
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/SPARK_Firmware_Driver/inc/platform_config.h b/SPARK_Firmware_Driver/inc/platform_config.h
@@ -200,7 +200,7 @@
 
 #define CC3000_SPI_DR_BASE                  ((uint32_t)0x4000380C)	/* SPI2_BASE | 0x0C */
 
-#define CC3000_SPI_BAUDRATE_PRESCALER		SPI_BaudRatePrescaler_4
+#define CC3000_SPI_BAUDRATE_PRESCALER		SPI_BaudRatePrescaler_32
 
 //SST25 FLASH Interface pins
 #define sFLASH_SPI							SPI2
@@ -219,7 +219,7 @@
 #define sFLASH_MEM_CS_GPIO_PORT				GPIOB						/* GPIOB */
 #define sFLASH_MEM_CS_GPIO_CLK				RCC_APB2Periph_GPIOB
 
-#define sFLASH_SPI_BAUDRATE_PRESCALER		SPI_BaudRatePrescaler_4
+#define sFLASH_SPI_BAUDRATE_PRESCALER		SPI_BaudRatePrescaler_32
 
 #define USB_DISCONNECT_PIN               	GPIO_Pin_10
 #define USB_DISCONNECT_GPIO_PORT       		GPIOB

diff --git a/SPARK_Firmware_Driver/src/hw_config.c b/SPARK_Firmware_Driver/src/hw_config.c
@@ -872,7 +872,7 @@ void CC3000_SPI_Init(void)
 
 	/* Configure CC3000_SPI pins: SCK */
 	GPIO_InitStructure.GPIO_Pin = CC3000_SPI_SCK_PIN;
-	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
 	GPIO_Init(CC3000_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
 
@@ -1121,7 +1121,7 @@ void sFLASH_SPI_Init(void)
 
 	/* Configure sFLASH_SPI pins: SCK */
 	GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_SCK_PIN;
-	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
 	GPIO_Init(sFLASH_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);