1 files changed, 167 insertions, 0 deletions

diff --git a/lib/chibios/os/hal/templates/hal_dac_lld.c b/lib/chibios/os/hal/templates/hal_dac_lld.c
new file mode 100644
index 000000000..13f325b56
--- /dev/null
+++ b/lib/chibios/os/hal/templates/hal_dac_lld.c
@@ -0,0 +1,167 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 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    hal_dac_lld.c
+ * @brief   PLATFORM DAC subsystem low level driver source.
+ *
+ * @addtogroup DAC
+ * @{
+ */
+
+#include "hal.h"
+
+#if (HAL_USE_DAC == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/** @brief DAC1 driver identifier.*/
+#if (PLATFORM_DAC_USE_DAC1 == TRUE) || defined(__DOXYGEN__)
+DACDriver DACD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   Low level DAC driver initialization.
+ *
+ * @notapi
+ */
+void dac_lld_init(void) {
+
+#if PLATFORM_DAC_USE_DAC1 == TRUE
+  dacObjectInit(&DACD1);
+#endif
+}
+
+/**
+ * @brief   Configures and activates the DAC peripheral.
+ *
+ * @param[in] dacp      pointer to the @p DACDriver object
+ *
+ * @notapi
+ */
+void dac_lld_start(DACDriver *dacp) {
+
+  /* If the driver is in DAC_STOP state then a full initialization is
+     required.*/
+  if (dacp->state == DAC_STOP) {
+    /* Enabling the clock source.*/
+#if PLATFORM_DAC_USE_DAC1 == TRUE
+    if (&DACD1 == dacp) {
+
+    }
+#endif
+  }
+}
+
+/**
+ * @brief   Deactivates the DAC peripheral.
+ *
+ * @param[in] dacp      pointer to the @p DACDriver object
+ *
+ * @notapi
+ */
+void dac_lld_stop(DACDriver *dacp) {
+
+  /* If in ready state then disables the DAC clock.*/
+  if (dacp->state == DAC_READY) {
+
+#if PLATFORM_DAC_USE_DAC1 == TRUE
+    if (&DACD1 == dacp) {
+
+    }
+#endif
+  }
+}
+
+/**
+ * @brief   Outputs a value directly on a DAC channel.
+ *
+ * @param[in] dacp      pointer to the @p DACDriver object
+ * @param[in] channel   DAC channel number
+ * @param[in] sample    value to be output
+ *
+ * @api
+ */
+void dac_lld_put_channel(DACDriver *dacp,
+                         dacchannel_t channel,
+                         dacsample_t sample) {
+
+  (void)dacp;
+  (void)channel;
+  (void)sample;
+}
+
+/**
+ * @brief   Starts a DAC conversion.
+ * @details Starts an asynchronous conversion operation.
+ * @note    In @p DAC_DHRM_8BIT_RIGHT mode the parameters passed to the
+ *          callback are wrong because two samples are packed in a single
+ *          dacsample_t element. This will not be corrected, do not rely
+ *          on those parameters.
+ * @note    In @p DAC_DHRM_8BIT_RIGHT_DUAL mode two samples are treated
+ *          as a single 16 bits sample and packed into a single dacsample_t
+ *          element. The num_channels must be set to one in the group
+ *          conversion configuration structure.
+ *
+ * @param[in] dacp      pointer to the @p DACDriver object
+ *
+ * @notapi
+ */
+void dac_lld_start_conversion(DACDriver *dacp) {
+
+  (void)dacp;
+}
+
+/**
+ * @brief   Stops an ongoing conversion.
+ * @details This function stops the currently ongoing conversion and returns
+ *          the driver in the @p DAC_READY state. If there was no conversion
+ *          being processed then the function does nothing.
+ *
+ * @param[in] dacp      pointer to the @p DACDriver object
+ *
+ * @iclass
+ */
+void dac_lld_stop_conversion(DACDriver *dacp) {
+
+  (void)dacp;
+}
+
+#endif /* HAL_USE_DAC == TRUE */
+
+/** @} */