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path: root/drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h
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Diffstat (limited to 'drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h')
-rw-r--r--drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h b/drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h
index 0fe5ded3..4899baa5 100644
--- a/drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h
+++ b/drivers/gdisp/HX8347D/board_HX8347D_stm32f4discovery.h
@@ -143,7 +143,7 @@ static inline void busmode8(GDisplay *g) {
static inline void write_index(GDisplay *g, uint8_t index) {
(void) g;
CLR_DATA;
- SPI1->DR = cmd;
+ SPI1->DR = index;
while(((SPI1->SR & SPI_SR_TXE) == 0) || ((SPI1->SR & SPI_SR_BSY) != 0));
SET_DATA;
}