1 files changed, 109 insertions, 0 deletions

diff --git a/lib/chibios/os/hal/ports/ADUCM/ADUCM36x/hal_pal_lld.c b/lib/chibios/os/hal/ports/ADUCM/ADUCM36x/hal_pal_lld.c
new file mode 100644
index 000000000..d4bd7d874
--- /dev/null
+++ b/lib/chibios/os/hal/ports/ADUCM/ADUCM36x/hal_pal_lld.c
@@ -0,0 +1,109 @@
+/*
+    ChibiOS - Copyright (C) 2019 Rocco Marco Guglielmi
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    ADUCM36x/hal_pal_lld.c
+ * @brief   ADUCM36x PAL low level driver code.
+ *
+ * @addtogroup PAL
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   PAL driver initialization.
+ *
+ * @notapi
+ */
+void _pal_lld_init(void) {
+
+}
+
+/**
+ * @brief   Pads mode setup.
+ * @details This function programs a pads group belonging to the same port
+ *          with the specified mode.
+ * @note    @p PAL_MODE_UNCONNECTED is implemented as push pull at minimum
+ *          speed.
+ *
+ * @param[in] port      the port identifier
+ * @param[in] mask      the group mask
+ * @param[in] mode      the mode
+ *
+ * @notapi
+ */
+void _pal_lld_setgroupmode(ioportid_t port,
+                           ioportmask_t mask,
+                           iomode_t mode) {
+
+  uint32_t con = (mode & PAL_ADUCM_CON_MASK) >> PAL_ADUCM_CON_OFF;
+  uint32_t oen = (mode & PAL_ADUCM_OEN_MASK) >> PAL_ADUCM_OEN_OFF;
+  uint32_t pul = (mode & PAL_ADUCM_PUL_MASK) >> PAL_ADUCM_PUL_OFF;
+  uint32_t oce = (mode & PAL_ADUCM_OCE_MASK) >> PAL_ADUCM_OCE_OFF;
+  uint32_t bit = 0;
+  while (true) {
+    if ((mask & 1) != 0) {
+      uint32_t m1, m2;
+      m1 = 3 << (bit * 2);
+      m2 = 1 << bit;
+
+      port->CON = (port->CON & ~m1) | con;
+      port->OEN = (port->OEN & ~m2) | oen;
+      port->PUL = (port->PUL & ~m2) | pul;
+      port->OCE = (port->OCE & ~m2) | oce;
+
+    }
+    mask >>= 1;
+    if (!mask)
+      return;
+    con <<= 2;
+    oen <<= 1;
+    pul <<= 1;
+    oce <<= 1;
+    bit++;
+  }
+}
+
+#endif /* HAL_USE_PAL */
+
+/** @} */