Mercurial > public > ostc4

comparison Discovery/Src/stm32f4xx_hal_msp_hw2.c @ 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 b7689d9e888a
comparison
equal deleted inserted replaced
124:4b355396557a 125:626191e1fed1
296 */ 296 */
297 // GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7; 297 // GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
298 GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7; 298 GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
299 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 299 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
300 GPIO_InitStruct.Pull = GPIO_NOPULL; 300 GPIO_InitStruct.Pull = GPIO_NOPULL;
301 GPIO_InitStruct.Speed = GPIO_SPEED_FAST; /* Decision is based on errata which recomments FAST for GPIO at 90Mhz */ 301 GPIO_InitStruct.Speed = GPIO_SPEED_FAST; /* Decision is based on errata which recommends FAST for GPIO at 90Mhz */
302 GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; 302 GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
303 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); 303 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
304 GPIO_InitStruct.Pin = GPIO_PIN_4; 304 GPIO_InitStruct.Pin = GPIO_PIN_4;
305 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 305 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
306 306
391 PF9 ------> SPI5_MOSI 391 PF9 ------> SPI5_MOSI
392 */ 392 */
393 GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9; 393 GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
394 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 394 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
395 GPIO_InitStruct.Pull = GPIO_NOPULL; 395 GPIO_InitStruct.Pull = GPIO_NOPULL;
396 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; //GPIO_SPEED_MEDIUM;//GPIO_SPEED_LOW; 396 GPIO_InitStruct.Speed = /* Decision is based on errata which recommends FAST for GPIO at 90Mhz */
397 GPIO_InitStruct.Alternate = GPIO_AF5_SPI5; 397 GPIO_InitStruct.Alternate = GPIO_AF5_SPI5;
398 HAL_GPIO_Init(GPIOF, &GPIO_InitStruct); 398 HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
399 399
400 /* USER CODE BEGIN SPI5_MspInit 1 */ 400 /* USER CODE BEGIN SPI5_MspInit 1 */
401 401