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-rw-r--r--libmaple/spi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libmaple/spi.c b/libmaple/spi.c
index 5a77b03..ddc8346 100644
--- a/libmaple/spi.c
+++ b/libmaple/spi.c
@@ -65,7 +65,7 @@ static const spi_dev spi_dev2 = {
.mosi_pin = 15
};
-static void spi_gpio_cfg(spi_dev *dev);
+static void spi_gpio_cfg(const spi_dev *dev);
/**
* @brief Initialize a spi peripheral
@@ -125,7 +125,7 @@ void spi_tx(uint32 spi_num, uint8 data) {
;
}
-static void spi_gpio_cfg(spi_dev *dev) {
+static void spi_gpio_cfg(const spi_dev *dev) {
gpio_set_mode(dev->port, dev->sck_pin, GPIO_MODE_AF_OUTPUT_PP);
gpio_set_mode(dev->port, dev->miso_pin, GPIO_MODE_AF_OUTPUT_PP);
gpio_set_mode(dev->port, dev->mosi_pin, GPIO_MODE_AF_OUTPUT_PP);