1 files changed, 86 insertions, 0 deletions
diff --git a/os/io/platforms/STM32/spi_lld.c b/os/io/platforms/STM32/spi_lld.c
new file mode 100644
index 000000000..4ef99e1ed
--- /dev/null
+++ b/os/io/platforms/STM32/spi_lld.c
@@ -0,0 +1,86 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file templates/spi_lld.c
+ * @brief SPI Driver subsystem low level driver source template
+ * @addtogroup SPI_LLD
+ * @{
+ */
+
+#include <ch.h>
+#include <spi.h>
+
+/**
+ * @brief Low level SPI driver initialization.
+ */
+void spi_lld_init(void) {
+
+}
+
+/**
+ * @brief Low level SPI bus setup.
+ *
+ * @param[in] spip pointer to the @p SPIDriver object
+ */
+void spi_lld_setup(SPIDriver *spip) {
+
+}
+
+/**
+ * @brief Asserts the chip select signal and prepares for transfers.
+ *
+ * @param[in] spip pointer to the @p SPIDriver object
+ */
+void spi_lld_select(SPIDriver *spip) {
+
+}
+
+/**
+ * @brief De-asserts the chip select signal.
+ * @details The previously selected peripheral is unselected.
+ *
+ * @param[in] spip pointer to the @p SPIDriver object
+ */
+void spi_lld_unselect(SPIDriver *spip) {
+
+}
+
+/**
+ * @brief Exchanges data on the SPI bus.
+ * @details This function performs a simultaneous transmit/receive operation.
+ *
+ * @param[in] spip pointer to the @p SPIDriver object
+ * @param n number of words to be exchanged
+ * @param rxbuf the pointer to the receive buffer, if @p NULL is specified then
+ *              the input data is discarded.
+ *              Note that the buffer is organized as an uint8_t array for
+ *              data sizes below or equal to 8 bits else it is organized as
+ *              an uint16_t array.
+ * @param txbuf the pointer to the transmit buffer, if @p NULL is specified all
+ *              ones are transmitted.
+ *              Note that the buffer is organized as an uint8_t array for
+ *              data sizes below or equal to 8 bits else it is organized as
+ *              an uint16_t array.
+ */
+void spi_lld_exchange(SPIDriver *spip, size_t n, void *rxbuf, void *txbuf) {
+
+}
+
+/** @} */