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| author | clyne <clyne@bitgloo.com> | 2021-03-21 16:34:21 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-21 16:34:21 -0400 |
| commit | 9b926b81ef1e8a4c7266494ae2a1369380e01b35 (patch) | |
| tree | 746095fa69eccccdc1c2830fdd0c06bac01848f5 /ChibiOS_20.3.2/os/hal/templates/hal_dac_lld.h | |
| parent | e080a26651f90c88176140d63a74c93c2f4041a2 (diff) | |
| parent | a4f1482a8b23d5f761f60d6f3821c84190d89e2f (diff) | |
Merge pull request #3 from tcsullivan/stm32h7
Stm32h7
Diffstat (limited to 'ChibiOS_20.3.2/os/hal/templates/hal_dac_lld.h')
| -rw-r--r-- | ChibiOS_20.3.2/os/hal/templates/hal_dac_lld.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/ChibiOS_20.3.2/os/hal/templates/hal_dac_lld.h b/ChibiOS_20.3.2/os/hal/templates/hal_dac_lld.h new file mode 100644 index 0000000..9f994e5 --- /dev/null +++ b/ChibiOS_20.3.2/os/hal/templates/hal_dac_lld.h @@ -0,0 +1,137 @@ +/*
+ 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.h
+ * @brief PLATFORM DAC subsystem low level driver header.
+ *
+ * @addtogroup DAC
+ * @{
+ */
+
+#ifndef HAL_DAC_LLD_H
+#define HAL_DAC_LLD_H
+
+#if (HAL_USE_DAC == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Maximum number of DAC channels per unit.
+ */
+#define DAC_MAX_CHANNELS 2
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief DAC1 CH1 driver enable switch.
+ * @details If set to @p TRUE the support for DAC1 channel 1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(PLATFORM_DAC_USE_DAC1) || defined(__DOXYGEN__)
+#define PLATFORM_DAC_USE_DAC1 FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of a DAC channel index.
+ */
+typedef uint32_t dacchannel_t;
+
+/**
+ * @brief Type representing a DAC sample.
+ */
+typedef uint16_t dacsample_t;
+
+/**
+ * @brief Possible DAC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ DAC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
+ DAC_ERR_UNDERFLOW = 1 /**< DAC overflow condition. */
+} dacerror_t;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level fields of the DAC driver structure.
+ */
+#define dac_lld_driver_fields \
+ /* Dummy field, it is not needed.*/ \
+ uint32_t dummy
+
+/**
+ * @brief Low level fields of the DAC configuration structure.
+ */
+#define dac_lld_config_fields \
+ /* Dummy configuration, it is not needed.*/ \
+ uint32_t dummy
+
+/**
+ * @brief Low level fields of the DAC group configuration structure.
+ */
+#define dac_lld_conversion_group_fields \
+ /* Dummy configuration, it is not needed.*/ \
+ uint32_t dummy
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if (PLATFORM_DAC_USE_DAC1 == TRUE) && !defined(__DOXYGEN__)
+extern DACDriver DACD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dac_lld_init(void);
+ void dac_lld_start(DACDriver *dacp);
+ void dac_lld_stop(DACDriver *dacp);
+ void dac_lld_put_channel(DACDriver *dacp,
+ dacchannel_t channel,
+ dacsample_t sample);
+ void dac_lld_start_conversion(DACDriver *dacp);
+ void dac_lld_stop_conversion(DACDriver *dacp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_DAC == TRUE */
+
+#endif /* HAL_DAC_LLD_H */
+
+/** @} */
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