From 3c32e0168d1ebbac5d6e5749eaf804fc268dd460 Mon Sep 17 00:00:00 2001 From: liukangcc Date: Mon, 11 Oct 2021 17:12:42 +0800 Subject: [drv_spi.c] 修复 stm32 drv_spi.c文件中的 spixfer 未实现片选为高电平的 spi 设备 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(-) (limited to 'bsp') diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c index 4e98218c90..4cbf4cf194 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; -- cgit v1.3.1 From 93792b2c8493c262246de4407ba2ad1c66ef52c3 Mon Sep 17 00:00:00 2001 From: LiuKang <44889940+liukangcc@users.noreply.github.com> Date: Mon, 11 Oct 2021 17:45:37 +0800 Subject: Update drv_spi.c --- bsp/stm32/libraries/HAL_Drivers/drv_spi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'bsp') diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c index 4cbf4cf194..9b5dcc0885 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c @@ -293,9 +293,9 @@ 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)) { - if(device->config.mode & RT_SPI_CS_HIGH) + if (device->config.mode & RT_SPI_CS_HIGH) HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); - else + else HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); } @@ -390,7 +390,7 @@ 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)) { - if(device->config.mode & RT_SPI_CS_HIGH) + 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); -- cgit v1.3.1