From 3c32e0168d1ebbac5d6e5749eaf804fc268dd460 Mon Sep 17 00:00:00 2001 From: liukangcc Date: Mon, 11 Oct 2021 17:12:42 +0800 Subject: [PATCH] =?UTF-8?q?[drv=5Fspi.c]=20=E4=BF=AE=E5=A4=8D=20stm32=20dr?= =?UTF-8?q?v=5Fspi.c=E6=96=87=E4=BB=B6=E4=B8=AD=E7=9A=84=20spixfer=20?= =?UTF-8?q?=E6=9C=AA=E5=AE=9E=E7=8E=B0=E7=89=87=E9=80=89=E4=B8=BA=E9=AB=98?= =?UTF-8?q?=E7=94=B5=E5=B9=B3=E7=9A=84=20spi=20=E8=AE=BE=E5=A4=87?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- bsp/stm32/libraries/HAL_Drivers/drv_spi.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c index 4e98218c9..4cbf4cf19 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c @@ -293,7 +293,10 @@ static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message * if (message->cs_take && !(device->config.mode & RT_SPI_NO_CS)) { - HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); + if(device->config.mode & RT_SPI_CS_HIGH) + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); + else + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); } LOG_D("%s transfer prepare and start", spi_drv->config->bus_name); @@ -387,7 +390,10 @@ static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message * if (message->cs_release && !(device->config.mode & RT_SPI_NO_CS)) { - HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); + if(device->config.mode & RT_SPI_CS_HIGH) + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); + else + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); } return message->length; -- GitLab