Mercurial > public > ostc4

changeset 125:626191e1fed1 FlipDisplay

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Change GPIO speed for SPI communication as recommended by STM32 Errata
author Ideenmodellierer
date Sun, 27 Jan 2019 22:21:01 +0100
parents 4b355396557a
children 1369f8660eaa
files Discovery/Src/stm32f4xx_hal_msp_hw2.c
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/Discovery/Src/stm32f4xx_hal_msp_hw2.c	Sun Jan 27 22:17:16 2019 +0100
+++ b/Discovery/Src/stm32f4xx_hal_msp_hw2.c	Sun Jan 27 22:21:01 2019 +0100
@@ -298,7 +298,7 @@
     GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FAST; /* Decision is based on errata which recomments FAST for GPIO at 90Mhz */
+    GPIO_InitStruct.Speed = GPIO_SPEED_FAST; /* Decision is based on errata which recommends FAST for GPIO at 90Mhz */
     GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
     GPIO_InitStruct.Pin = GPIO_PIN_4;
@@ -393,7 +393,7 @@
     GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; //GPIO_SPEED_MEDIUM;//GPIO_SPEED_LOW;
+    GPIO_InitStruct.Speed = /* Decision is based on errata which recommends FAST for GPIO at 90Mhz */
     GPIO_InitStruct.Alternate = GPIO_AF5_SPI5;
     HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);