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author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-06-23 17:29:35 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-06-23 17:29:35 +0000 |
commit | 45013b7f198dcec3021d673edba7a711d6d46cff (patch) | |
tree | 9dfb20bc345ad62a782850763137f82f4d6f9d6a /os/hal/platforms/STM32/uart_lld.h | |
parent | 841fc3fc87aceaf0620bc0eb1200d7987bdf3d23 (diff) | |
download | ChibiOS-45013b7f198dcec3021d673edba7a711d6d46cff.tar.gz ChibiOS-45013b7f198dcec3021d673edba7a711d6d46cff.tar.bz2 ChibiOS-45013b7f198dcec3021d673edba7a711d6d46cff.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4332 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/uart_lld.h')
-rw-r--r-- | os/hal/platforms/STM32/uart_lld.h | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/os/hal/platforms/STM32/uart_lld.h b/os/hal/platforms/STM32/uart_lld.h deleted file mode 100644 index 79edb62d9..000000000 --- a/os/hal/platforms/STM32/uart_lld.h +++ /dev/null @@ -1,423 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file STM32/uart_lld.h
- * @brief STM32 low level UART driver header.
- *
- * @addtogroup UART
- * @{
- */
-
-#ifndef _UART_LLD_H_
-#define _UART_LLD_H_
-
-#if HAL_USE_UART || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief UART driver on USART1 enable switch.
- * @details If set to @p TRUE the support for USART1 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(STM32_UART_USE_USART1) || defined(__DOXYGEN__)
-#define STM32_UART_USE_USART1 TRUE
-#endif
-
-/**
- * @brief UART driver on USART2 enable switch.
- * @details If set to @p TRUE the support for USART2 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(STM32_UART_USE_USART2) || defined(__DOXYGEN__)
-#define STM32_UART_USE_USART2 TRUE
-#endif
-
-/**
- * @brief UART driver on USART3 enable switch.
- * @details If set to @p TRUE the support for USART3 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(STM32_UART_USE_USART3) || defined(__DOXYGEN__)
-#define STM32_UART_USE_USART3 TRUE
-#endif
-
-/**
- * @brief USART1 interrupt priority level setting.
- */
-#if !defined(STM32_UART_USART1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_UART_USART1_IRQ_PRIORITY 12
-#endif
-
-/**
- * @brief USART2 interrupt priority level setting.
- */
-#if !defined(STM32_UART_USART2_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_UART_USART2_IRQ_PRIORITY 12
-#endif
-
-/**
- * @brief USART3 interrupt priority level setting.
- */
-#if !defined(STM32_UART_USART3_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_UART_USART3_IRQ_PRIORITY 12
-#endif
-
-/**
- * @brief USART1 DMA priority (0..3|lowest..highest).
- * @note The priority level is used for both the TX and RX DMA channels but
- * because of the channels ordering the RX channel has always priority
- * over the TX channel.
- */
-#if !defined(STM32_UART_USART1_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_UART_USART1_DMA_PRIORITY 0
-#endif
-
-/**
- * @brief USART2 DMA priority (0..3|lowest..highest).
- * @note The priority level is used for both the TX and RX DMA channels but
- * because of the channels ordering the RX channel has always priority
- * over the TX channel.
- */
-#if !defined(STM32_UART_USART2_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_UART_USART2_DMA_PRIORITY 0
-#endif
-
-/**
- * @brief USART3 DMA priority (0..3|lowest..highest).
- * @note The priority level is used for both the TX and RX DMA channels but
- * because of the channels ordering the RX channel has always priority
- * over the TX channel.
- */
-#if !defined(STM32_UART_USART3_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_UART_USART3_DMA_PRIORITY 0
-#endif
-
-/**
- * @brief USART1 DMA error hook.
- * @note The default action for DMA errors is a system halt because DMA
- * error can only happen because programming errors.
- */
-#if !defined(STM32_UART_DMA_ERROR_HOOK) || defined(__DOXYGEN__)
-#define STM32_UART_DMA_ERROR_HOOK(uartp) chSysHalt()
-#endif
-
-#if STM32_ADVANCED_DMA || defined(__DOXYGEN__)
-
-/**
- * @brief DMA stream used for USART1 RX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_UART_USART1_RX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
-#endif
-
-/**
- * @brief DMA stream used for USART1 TX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_UART_USART1_TX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 7)
-#endif
-
-/**
- * @brief DMA stream used for USART2 RX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_UART_USART2_RX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
-#endif
-
-/**
- * @brief DMA stream used for USART2 TX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_UART_USART2_TX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
-#endif
-
-/**
- * @brief DMA stream used for USART3 RX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_UART_USART3_RX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 1)
-#endif
-
-/**
- * @brief DMA stream used for USART3 TX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_UART_USART3_TX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
-#endif
-
-#else /* !STM32_ADVANCED_DMA */
-
-/* Fixed streams for platforms using the old DMA peripheral, the values are
- valid for both STM32F1xx and STM32L1xx.*/
-#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
-#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
-#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
-#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
-#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
-#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
-
-#endif /* !STM32_ADVANCED_DMA*/
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if STM32_UART_USE_USART1 && !STM32_HAS_USART1
-#error "USART1 not present in the selected device"
-#endif
-
-#if STM32_UART_USE_USART2 && !STM32_HAS_USART2
-#error "USART2 not present in the selected device"
-#endif
-
-#if STM32_UART_USE_USART3 && !STM32_HAS_USART3
-#error "USART3 not present in the selected device"
-#endif
-
-#if !STM32_UART_USE_USART1 && !STM32_UART_USE_USART2 && \
- !STM32_UART_USE_USART3
-#error "UART driver activated but no USART/UART peripheral assigned"
-#endif
-
-#if STM32_UART_USE_USART1 && \
- !STM32_DMA_IS_VALID_ID(STM32_UART_USART1_RX_DMA_STREAM, \
- STM32_USART1_RX_DMA_MSK)
-#error "invalid DMA stream associated to USART1 RX"
-#endif
-
-#if STM32_UART_USE_USART1 && \
- !STM32_DMA_IS_VALID_ID(STM32_UART_USART1_TX_DMA_STREAM, \
- STM32_USART1_TX_DMA_MSK)
-#error "invalid DMA stream associated to USART1 TX"
-#endif
-
-#if STM32_UART_USE_USART2 && \
- !STM32_DMA_IS_VALID_ID(STM32_UART_USART2_RX_DMA_STREAM, \
- STM32_USART2_RX_DMA_MSK)
-#error "invalid DMA stream associated to USART2 RX"
-#endif
-
-#if STM32_UART_USE_USART2 && \
- !STM32_DMA_IS_VALID_ID(STM32_UART_USART2_TX_DMA_STREAM, \
- STM32_USART2_TX_DMA_MSK)
-#error "invalid DMA stream associated to USART2 TX"
-#endif
-
-#if STM32_UART_USE_USART3 && \
- !STM32_DMA_IS_VALID_ID(STM32_UART_USART3_RX_DMA_STREAM, \
- STM32_USART3_RX_DMA_MSK)
-#error "invalid DMA stream associated to USART3 RX"
-#endif
-
-#if STM32_UART_USE_USART3 && \
- !STM32_DMA_IS_VALID_ID(STM32_UART_USART3_TX_DMA_STREAM, \
- STM32_USART3_TX_DMA_MSK)
-#error "invalid DMA stream associated to USART3 TX"
-#endif
-
-#if !defined(STM32_DMA_REQUIRED)
-#define STM32_DMA_REQUIRED
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief UART driver condition flags type.
- */
-typedef uint32_t uartflags_t;
-
-/**
- * @brief Structure representing an UART driver.
- */
-typedef struct UARTDriver UARTDriver;
-
-/**
- * @brief Generic UART notification callback type.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- */
-typedef void (*uartcb_t)(UARTDriver *uartp);
-
-/**
- * @brief Character received UART notification callback type.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] c received character
- */
-typedef void (*uartccb_t)(UARTDriver *uartp, uint16_t c);
-
-/**
- * @brief Receive error UART notification callback type.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] e receive error mask
- */
-typedef void (*uartecb_t)(UARTDriver *uartp, uartflags_t e);
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- /**
- * @brief End of transmission buffer callback.
- */
- uartcb_t txend1_cb;
- /**
- * @brief Physical end of transmission callback.
- */
- uartcb_t txend2_cb;
- /**
- * @brief Receive buffer filled callback.
- */
- uartcb_t rxend_cb;
- /**
- * @brief Character received while out if the @p UART_RECEIVE state.
- */
- uartccb_t rxchar_cb;
- /**
- * @brief Receive error callback.
- */
- uartecb_t rxerr_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief Bit rate.
- */
- uint32_t speed;
- /**
- * @brief Initialization value for the CR1 register.
- */
- uint16_t cr1;
- /**
- * @brief Initialization value for the CR2 register.
- */
- uint16_t cr2;
- /**
- * @brief Initialization value for the CR3 register.
- */
- uint16_t cr3;
-} UARTConfig;
-
-/**
- * @brief Structure representing an UART driver.
- */
-struct UARTDriver {
- /**
- * @brief Driver state.
- */
- uartstate_t state;
- /**
- * @brief Transmitter state.
- */
- uarttxstate_t txstate;
- /**
- * @brief Receiver state.
- */
- uartrxstate_t rxstate;
- /**
- * @brief Current configuration data.
- */
- const UARTConfig *config;
-#if defined(UART_DRIVER_EXT_FIELDS)
- UART_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the USART registers block.
- */
- USART_TypeDef *usart;
- /**
- * @brief DMA mode bit mask.
- */
- uint32_t dmamode;
- /**
- * @brief Receive DMA channel.
- */
- const stm32_dma_stream_t *dmarx;
- /**
- * @brief Transmit DMA channel.
- */
- const stm32_dma_stream_t *dmatx;
- /**
- * @brief Default receive buffer while into @p UART_RX_IDLE state.
- */
- volatile uint16_t rxbuf;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if STM32_UART_USE_USART1 && !defined(__DOXYGEN__)
-extern UARTDriver UARTD1;
-#endif
-
-#if STM32_UART_USE_USART2 && !defined(__DOXYGEN__)
-extern UARTDriver UARTD2;
-#endif
-
-#if STM32_UART_USE_USART3 && !defined(__DOXYGEN__)
-extern UARTDriver UARTD3;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void uart_lld_init(void);
- void uart_lld_start(UARTDriver *uartp);
- void uart_lld_stop(UARTDriver *uartp);
- void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf);
- size_t uart_lld_stop_send(UARTDriver *uartp);
- void uart_lld_start_receive(UARTDriver *uartp, size_t n, void *rxbuf);
- size_t uart_lld_stop_receive(UARTDriver *uartp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_UART */
-
-#endif /* _UART_LLD_H_ */
-
-/** @} */
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