diff options
Diffstat (limited to 'os/hal/platforms/STM32/i2s_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/i2s_lld.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/os/hal/platforms/STM32/i2s_lld.c b/os/hal/platforms/STM32/i2s_lld.c deleted file mode 100644 index b7eaf4b0c..000000000 --- a/os/hal/platforms/STM32/i2s_lld.c +++ /dev/null @@ -1,161 +0,0 @@ -/*
- 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 STM32/i2s_lld.c
- * @brief I2S Driver subsystem low level driver source template.
- *
- * @addtogroup I2S
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_I2S || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level I2S driver initialization.
- *
- * @notapi
- */
-void i2s_lld_init(void) {
-
-#if STM32_I2S_USE_I2S2
- spiObjectInit(&I2SD2);
- I2SD2.spi = SPI2;
-#endif
-
-#if STM32_I2S_USE_I2S3
- spiObjectInit(&I2SD3);
- I2SD3.spi = SPI3;
-#endif
-}
-
-/**
- * @brief Configures and activates the I2S peripheral.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- *
- * @notapi
- */
-void i2s_lld_start(I2SDriver *i2sp) {
-
- /* If in stopped state then enables the SPI and DMA clocks.*/
- if (i2sp->state == I2S_STOP) {
-#if STM32_SPI_USE_SPI2
- if (&SPID2 == spip) {
- bool_t b;
- b = dmaStreamAllocate(spip->dma,
- STM32_I2S_I2S2_IRQ_PRIORITY,
- (stm32_dmaisr_t)i2s_lld_serve_rx_interrupt,
- (void *)spip);
- chDbgAssert(!b, "spi_lld_start(), #1", "stream already allocated");
- rccEnableSPI2(FALSE);
- }
-#endif
-#if STM32_SPI_USE_SPI3
- if (&SPID3 == spip) {
- bool_t b;
- b = dmaStreamAllocate(spip->dma,
- STM32_I2S_I2S3_IRQ_PRIORITY,
- (stm32_dmaisr_t)i2s_lld_serve_rx_interrupt,
- (void *)spip);
- chDbgAssert(!b, "spi_lld_start(), #2", "stream already allocated");
- rccEnableSPI3(FALSE);
- }
-#endif
- }
- /* Configuration.*/
-}
-
-/**
- * @brief Deactivates the I2S peripheral.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- *
- * @notapi
- */
-void i2s_lld_stop(I2SDriver *i2sp) {
-
- if (i2sp->state == I2S_READY) {
- /* Clock deactivation.*/
-
- }
-}
-
-/**
- * @brief Starts a I2S data exchange.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- *
- * @notapi
- */
-void i2s_lld_start_exchange(I2SDriver *i2sp) {
-
-}
-
-/**
- * @brief Starts a I2S data exchange in continuous mode.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- *
- * @notapi
- */
-void i2s_lld_start_exchange_continuous(I2SDriver *i2sp) {
-
-}
-
-/**
- * @brief Stops the ongoing data exchange.
- * @details The ongoing data exchange, if any, is stopped, if the driver
- * was not active the function does nothing.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- *
- * @notapi
- */
-void i2s_lld_stop_exchange(I2SDriver *i2sp) {
-
-}
-
-#endif /* HAL_USE_I2S */
-
-/** @} */
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