ChibiOS 2.6.8, until I can figure out where to get it from git.

2025-08-25 20:47:43 +00:00 · 2015-07-08 08:40:23 -07:00
parent dc6fee8370
commit e1eea8e08a
1929 changed files with 575326 additions and 0 deletions
--- a/firmware/chibios/os/hal/platforms/LPC8xx/pal_lld.c
+++ b/firmware/chibios/os/hal/platforms/LPC8xx/pal_lld.c
@@ -0,0 +1,105 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+    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    LPC8xx/pal_lld.c
+ * @brief   LPC8xx GPIO low level driver code.
+ *
+ * @addtogroup PAL
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+/**
+ * @brief   LPC8xx I/O ports configuration.
+ * @details GPIO unit registers initialization.
+ *
+ * @param[in] config    the LPC8xx ports configuration
+ *
+ * @notapi
+ */
+void _pal_lld_init(const PALConfig *config) {
+
+  /* Enable clocks to GPIO */
+  LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
+
+  LPC_GPIO_PORT->DIR0 = config->dir;
+  LPC_GPIO_PORT->PIN0 = config->data;
+}
+
+/**
+ * @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 output with
+ *          high state.
+ * @note    This function does not alter the @p PINSELx registers. Alternate
+ *          functions setup must be handled by device-specific code.
+ *
+ * @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) {
+                           
+  switch (mode)
+  {
+  case PAL_MODE_RESET:
+  case PAL_MODE_INPUT:
+    port->DIR0 &= ~mask;
+    break;
+
+  case PAL_MODE_UNCONNECTED:
+    palSetPort(port, PAL_WHOLE_PORT);
+    //no break
+  case PAL_MODE_OUTPUT_PUSHPULL:
+    port->DIR0 |=  mask;
+    break;
+  }
+
+  return;
+}
+
+#endif /* HAL_USE_PAL */
+
+/** @} */