summaryrefslogtreecommitdiff
path: root/components/drivers/spi/spi_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'components/drivers/spi/spi_core.c')
-rw-r--r--components/drivers/spi/spi_core.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/components/drivers/spi/spi_core.c b/components/drivers/spi/spi_core.c
index 63b50f265a..fca542d9bb 100644
--- a/components/drivers/spi/spi_core.c
+++ b/components/drivers/spi/spi_core.c
@@ -95,6 +95,14 @@ rt_err_t rt_spi_configure(struct rt_spi_device *device,
device->config.mode = cfg->mode & RT_SPI_MODE_MASK ;
device->config.max_hz = cfg->max_hz ;
+ if (device->cs_pin != PIN_NONE)
+ {
+ if (device->config.mode & RT_SPI_CS_HIGH)
+ rt_pin_write(device->cs_pin, PIN_LOW);
+ else
+ rt_pin_write(device->cs_pin, PIN_HIGH);
+ }
+
if (device->bus != RT_NULL)
{
result = rt_mutex_take(&(device->bus->lock), RT_WAITING_FOREVER);