1 files changed, 18 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/calypso/calypso_power.c b/nuttx/arch/arm/src/calypso/calypso_power.c
new file mode 100644
index 000000000..f85d6890e
--- /dev/null
+++ b/nuttx/arch/arm/src/calypso/calypso_power.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <nuttx/spi.h>
+
+int board_power_off(void)
+{
+	uint16_t tx;
+	struct spi_dev_s *spi = up_spiinitialize(0);
+
+	SPI_SETBITS(spi, 16);
+
+	tx = (1 << 6) | (1 << 1);
+	SPI_SNDBLOCK(spi, &tx, 1);
+
+	tx = (1 << 6) | (30 << 1);
+	SPI_SNDBLOCK(spi, &tx, 1);
+
+	return 0;
+}