diff options
author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-08-09 08:24:22 +0000 |
---|---|---|
committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-08-09 08:24:22 +0000 |
commit | 8ca210a4af9fd039e290cfcc309adde543999c1f (patch) | |
tree | 1aa594d5e65d5ebabdd358acbe8d3a9ac29f2070 /os/hal/platforms/STM32/USARTv2 | |
parent | cb453a3a12464dd71856b1354d083b5b02260870 (diff) | |
download | ChibiOS-8ca210a4af9fd039e290cfcc309adde543999c1f.tar.gz ChibiOS-8ca210a4af9fd039e290cfcc309adde543999c1f.tar.bz2 ChibiOS-8ca210a4af9fd039e290cfcc309adde543999c1f.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6108 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/USARTv2')
-rw-r--r-- | os/hal/platforms/STM32/USARTv2/serial_lld.c | 529 | ||||
-rw-r--r-- | os/hal/platforms/STM32/USARTv2/serial_lld.h | 305 | ||||
-rw-r--r-- | os/hal/platforms/STM32/USARTv2/uart_lld.c | 594 | ||||
-rw-r--r-- | os/hal/platforms/STM32/USARTv2/uart_lld.h | 458 |
4 files changed, 0 insertions, 1886 deletions
diff --git a/os/hal/platforms/STM32/USARTv2/serial_lld.c b/os/hal/platforms/STM32/USARTv2/serial_lld.c deleted file mode 100644 index f57d0ce1b..000000000 --- a/os/hal/platforms/STM32/USARTv2/serial_lld.c +++ /dev/null @@ -1,529 +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/USARTv2/serial_lld.c
- * @brief STM32 low level serial driver code.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_SERIAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/** @brief USART1 serial driver identifier.*/
-#if STM32_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-SerialDriver SD1;
-#endif
-
-/** @brief USART2 serial driver identifier.*/
-#if STM32_SERIAL_USE_USART2 || defined(__DOXYGEN__)
-SerialDriver SD2;
-#endif
-
-/** @brief USART3 serial driver identifier.*/
-#if STM32_SERIAL_USE_USART3 || defined(__DOXYGEN__)
-SerialDriver SD3;
-#endif
-
-/** @brief UART4 serial driver identifier.*/
-#if STM32_SERIAL_USE_UART4 || defined(__DOXYGEN__)
-SerialDriver SD4;
-#endif
-
-/** @brief UART5 serial driver identifier.*/
-#if STM32_SERIAL_USE_UART5 || defined(__DOXYGEN__)
-SerialDriver SD5;
-#endif
-
-/** @brief USART6 serial driver identifier.*/
-#if STM32_SERIAL_USE_USART6 || defined(__DOXYGEN__)
-SerialDriver SD6;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/** @brief Driver default configuration.*/
-static const SerialConfig default_config =
-{
- SERIAL_DEFAULT_BITRATE,
- 0,
- USART_CR2_STOP1_BITS | USART_CR2_LINEN,
- 0
-};
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/**
- * @brief USART initialization.
- * @details This function must be invoked with interrupts disabled.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- * @param[in] config the architecture-dependent serial driver configuration
- */
-static void usart_init(SerialDriver *sdp, const SerialConfig *config) {
- USART_TypeDef *u = sdp->usart;
-
- /* Baud rate setting.*/
- u->BRR = (uint16_t)(sdp->clock / config->speed);
-
- /* Note that some bits are enforced.*/
- u->CR2 = config->cr2 | USART_CR2_LBDIE;
- u->CR3 = config->cr3 | USART_CR3_EIE;
- u->CR1 = config->cr1 | USART_CR1_UE | USART_CR1_PEIE |
- USART_CR1_RXNEIE | USART_CR1_TE |
- USART_CR1_RE;
- u->ICR = 0xFFFFFFFF;
-}
-
-/**
- * @brief USART de-initialization.
- * @details This function must be invoked with interrupts disabled.
- *
- * @param[in] u pointer to an USART I/O block
- */
-static void usart_deinit(USART_TypeDef *u) {
-
- u->CR1 = 0;
- u->CR2 = 0;
- u->CR3 = 0;
-}
-
-/**
- * @brief Error handling routine.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- * @param[in] isr USART ISR register value
- */
-static void set_error(SerialDriver *sdp, uint32_t isr) {
- eventflags_t sts = 0;
-
- if (isr & USART_ISR_ORE)
- sts |= SD_OVERRUN_ERROR;
- if (isr & USART_ISR_PE)
- sts |= SD_PARITY_ERROR;
- if (isr & USART_ISR_FE)
- sts |= SD_FRAMING_ERROR;
- if (isr & USART_ISR_NE)
- sts |= SD_NOISE_ERROR;
- chSysLockFromISR();
- chnAddFlagsI(sdp, sts);
- chSysUnlockFromISR();
-}
-
-/**
- * @brief Common IRQ handler.
- *
- * @param[in] sdp communication channel associated to the USART
- */
-static void serve_interrupt(SerialDriver *sdp) {
- USART_TypeDef *u = sdp->usart;
- uint32_t cr1 = u->CR1;
- uint32_t isr;
-
- /* Reading and clearing status.*/
- isr = u->ISR;
- u->ICR = isr;
-
- /* Error condition detection.*/
- if (isr & (USART_ISR_ORE | USART_ISR_NE | USART_ISR_FE | USART_ISR_PE))
- set_error(sdp, isr);
- /* Special case, LIN break detection.*/
- if (isr & USART_ISR_LBD) {
- chSysLockFromISR();
- chnAddFlagsI(sdp, SD_BREAK_DETECTED);
- chSysUnlockFromISR();
- }
- /* Data available.*/
- if (isr & USART_ISR_RXNE) {
- chSysLockFromISR();
- sdIncomingDataI(sdp, (uint8_t)u->RDR);
- chSysUnlockFromISR();
- }
- /* Transmission buffer empty.*/
- if ((cr1 & USART_CR1_TXEIE) && (isr & USART_ISR_TXE)) {
- msg_t b;
- chSysLockFromISR();
- b = chOQGetI(&sdp->oqueue);
- if (b < Q_OK) {
- chnAddFlagsI(sdp, CHN_OUTPUT_EMPTY);
- u->CR1 = (cr1 & ~USART_CR1_TXEIE) | USART_CR1_TCIE;
- }
- else
- u->TDR = b;
- chSysUnlockFromISR();
- }
- /* Physical transmission end.*/
- if (isr & USART_ISR_TC) {
- chSysLockFromISR();
- chnAddFlagsI(sdp, CHN_TRANSMISSION_END);
- chSysUnlockFromISR();
- u->CR1 = cr1 & ~USART_CR1_TCIE;
- }
-}
-
-#if STM32_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-static void notify1(GenericQueue *qp) {
-
- (void)qp;
- USART1->CR1 |= USART_CR1_TXEIE;
-}
-#endif
-
-#if STM32_SERIAL_USE_USART2 || defined(__DOXYGEN__)
-static void notify2(GenericQueue *qp) {
-
- (void)qp;
- USART2->CR1 |= USART_CR1_TXEIE;
-}
-#endif
-
-#if STM32_SERIAL_USE_USART3 || defined(__DOXYGEN__)
-static void notify3(GenericQueue *qp) {
-
- (void)qp;
- USART3->CR1 |= USART_CR1_TXEIE;
-}
-#endif
-
-#if STM32_SERIAL_USE_UART4 || defined(__DOXYGEN__)
-static void notify4(GenericQueue *qp) {
-
- (void)qp;
- UART4->CR1 |= USART_CR1_TXEIE;
-}
-#endif
-
-#if STM32_SERIAL_USE_UART5 || defined(__DOXYGEN__)
-static void notify5(GenericQueue *qp) {
-
- (void)qp;
- UART5->CR1 |= USART_CR1_TXEIE;
-}
-#endif
-
-#if STM32_SERIAL_USE_USART6 || defined(__DOXYGEN__)
-static void notify6(GenericQueue *qp) {
-
- (void)qp;
- USART6->CR1 |= USART_CR1_TXEIE;
-}
-#endif
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if STM32_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-#if !defined(STM32_USART1_HANDLER)
-#error "STM32_USART1_HANDLER not defined"
-#endif
-/**
- * @brief USART1 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART1_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_interrupt(&SD1);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if STM32_SERIAL_USE_USART2 || defined(__DOXYGEN__)
-#if !defined(STM32_USART2_HANDLER)
-#error "STM32_USART2_HANDLER not defined"
-#endif
-/**
- * @brief USART2 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART2_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_interrupt(&SD2);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if STM32_SERIAL_USE_USART3 || defined(__DOXYGEN__)
-#if !defined(STM32_USART3_HANDLER)
-#error "STM32_USART3_HANDLER not defined"
-#endif
-/**
- * @brief USART3 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART3_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_interrupt(&SD3);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if STM32_SERIAL_USE_UART4 || defined(__DOXYGEN__)
-#if !defined(STM32_UART4_HANDLER)
-#error "STM32_UART4_HANDLER not defined"
-#endif
-/**
- * @brief UART4 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_UART4_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_interrupt(&SD4);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if STM32_SERIAL_USE_UART5 || defined(__DOXYGEN__)
-#if !defined(STM32_UART5_HANDLER)
-#error "STM32_UART5_HANDLER not defined"
-#endif
-/**
- * @brief UART5 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_UART5_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_interrupt(&SD5);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if STM32_SERIAL_USE_USART6 || defined(__DOXYGEN__)
-#if !defined(STM32_USART6_HANDLER)
-#error "STM32_USART6_HANDLER not defined"
-#endif
-/**
- * @brief USART1 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART6_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_interrupt(&SD6);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level serial driver initialization.
- *
- * @notapi
- */
-void sd_lld_init(void) {
-
-#if STM32_SERIAL_USE_USART1
- sdObjectInit(&SD1, NULL, notify1);
- SD1.usart = USART1;
- SD1.clock = STM32_USART1CLK;
-#endif
-
-#if STM32_SERIAL_USE_USART2
- sdObjectInit(&SD2, NULL, notify2);
- SD2.usart = USART2;
- SD2.clock = STM32_USART2CLK;
-#endif
-
-#if STM32_SERIAL_USE_USART3
- sdObjectInit(&SD3, NULL, notify3);
- SD3.usart = USART3;
- SD3.clock = STM32_USART3CLK;
-#endif
-
-#if STM32_SERIAL_USE_UART4
- sdObjectInit(&SD4, NULL, notify4);
- SD4.usart = UART4;
- SD4.clock = STM32_UART4CLK;
-#endif
-
-#if STM32_SERIAL_USE_UART5
- sdObjectInit(&SD5, NULL, notify5);
- SD5.usart = UART5;
- SD5.clock = STM32_UART5CLK;
-#endif
-
-#if STM32_SERIAL_USE_USART6
- sdObjectInit(&SD6, NULL, notify6);
- SD6.usart = USART6;
- SD6.clock = STM32_USART6CLK;
-#endif
-}
-
-/**
- * @brief Low level serial driver configuration and (re)start.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- * @param[in] config the architecture-dependent serial driver configuration.
- * If this parameter is set to @p NULL then a default
- * configuration is used.
- *
- * @notapi
- */
-void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
-
- if (config == NULL)
- config = &default_config;
-
- if (sdp->state == SD_STOP) {
-#if STM32_SERIAL_USE_USART1
- if (&SD1 == sdp) {
- rccEnableUSART1(FALSE);
- nvicEnableVector(STM32_USART1_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_SERIAL_USART1_PRIORITY));
- }
-#endif
-#if STM32_SERIAL_USE_USART2
- if (&SD2 == sdp) {
- rccEnableUSART2(FALSE);
- nvicEnableVector(STM32_USART2_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_SERIAL_USART2_PRIORITY));
- }
-#endif
-#if STM32_SERIAL_USE_USART3
- if (&SD3 == sdp) {
- rccEnableUSART3(FALSE);
- nvicEnableVector(STM32_USART3_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_SERIAL_USART3_PRIORITY));
- }
-#endif
-#if STM32_SERIAL_USE_UART4
- if (&SD4 == sdp) {
- rccEnableUART4(FALSE);
- nvicEnableVector(STM32_UART4_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_SERIAL_UART4_PRIORITY));
- }
-#endif
-#if STM32_SERIAL_USE_UART5
- if (&SD5 == sdp) {
- rccEnableUART5(FALSE);
- nvicEnableVector(STM32_UART5_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_SERIAL_UART5_PRIORITY));
- }
-#endif
-#if STM32_SERIAL_USE_USART6
- if (&SD6 == sdp) {
- rccEnableUSART6(FALSE);
- nvicEnableVector(STM32_USART6_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_SERIAL_USART6_PRIORITY));
- }
-#endif
- }
- usart_init(sdp, config);
-}
-
-/**
- * @brief Low level serial driver stop.
- * @details De-initializes the USART, stops the associated clock, resets the
- * interrupt vector.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- *
- * @notapi
- */
-void sd_lld_stop(SerialDriver *sdp) {
-
- if (sdp->state == SD_READY) {
- usart_deinit(sdp->usart);
-#if STM32_SERIAL_USE_USART1
- if (&SD1 == sdp) {
- rccDisableUSART1(FALSE);
- nvicDisableVector(STM32_USART1_NUMBER);
- return;
- }
-#endif
-#if STM32_SERIAL_USE_USART2
- if (&SD2 == sdp) {
- rccDisableUSART2(FALSE);
- nvicDisableVector(STM32_USART2_NUMBER);
- return;
- }
-#endif
-#if STM32_SERIAL_USE_USART3
- if (&SD3 == sdp) {
- rccDisableUSART3(FALSE);
- nvicDisableVector(STM32_USART3_NUMBER);
- return;
- }
-#endif
-#if STM32_SERIAL_USE_UART4
- if (&SD4 == sdp) {
- rccDisableUART4(FALSE);
- nvicDisableVector(STM32_UART4_NUMBER);
- return;
- }
-#endif
-#if STM32_SERIAL_USE_UART5
- if (&SD5 == sdp) {
- rccDisableUART5(FALSE);
- nvicDisableVector(STM32_UART5_NUMBER);
- return;
- }
-#endif
-#if STM32_SERIAL_USE_USART6
- if (&SD6 == sdp) {
- rccDisableUSART6(FALSE);
- nvicDisableVector(STM32_USART6_NUMBER);
- return;
- }
-#endif
- }
-}
-
-#endif /* HAL_USE_SERIAL */
-
-/** @} */
diff --git a/os/hal/platforms/STM32/USARTv2/serial_lld.h b/os/hal/platforms/STM32/USARTv2/serial_lld.h deleted file mode 100644 index 743cb0b50..000000000 --- a/os/hal/platforms/STM32/USARTv2/serial_lld.h +++ /dev/null @@ -1,305 +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/USARTv2/serial_lld.h
- * @brief STM32 low level serial driver header.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#ifndef _SERIAL_LLD_H_
-#define _SERIAL_LLD_H_
-
-#if HAL_USE_SERIAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief USART1 driver enable switch.
- * @details If set to @p TRUE the support for USART1 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_SERIAL_USE_USART1) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USE_USART1 FALSE
-#endif
-
-/**
- * @brief USART2 driver enable switch.
- * @details If set to @p TRUE the support for USART2 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_SERIAL_USE_USART2) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USE_USART2 FALSE
-#endif
-
-/**
- * @brief USART3 driver enable switch.
- * @details If set to @p TRUE the support for USART3 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_SERIAL_USE_USART3) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USE_USART3 FALSE
-#endif
-
-/**
- * @brief UART4 driver enable switch.
- * @details If set to @p TRUE the support for UART4 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_SERIAL_USE_UART4) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USE_UART4 FALSE
-#endif
-
-/**
- * @brief UART5 driver enable switch.
- * @details If set to @p TRUE the support for UART5 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_SERIAL_USE_UART5) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USE_UART5 FALSE
-#endif
-
-/**
- * @brief USART6 driver enable switch.
- * @details If set to @p TRUE the support for USART6 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_SERIAL_USE_USART6) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USE_USART6 FALSE
-#endif
-
-/**
- * @brief USART1 interrupt priority level setting.
- */
-#if !defined(STM32_SERIAL_USART1_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USART1_PRIORITY 12
-#endif
-
-/**
- * @brief USART2 interrupt priority level setting.
- */
-#if !defined(STM32_SERIAL_USART2_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USART2_PRIORITY 12
-#endif
-
-/**
- * @brief USART3 interrupt priority level setting.
- */
-#if !defined(STM32_SERIAL_USART3_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USART3_PRIORITY 12
-#endif
-
-/**
- * @brief UART4 interrupt priority level setting.
- */
-#if !defined(STM32_SERIAL_UART4_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_SERIAL_UART4_PRIORITY 12
-#endif
-
-/**
- * @brief UART5 interrupt priority level setting.
- */
-#if !defined(STM32_SERIAL_UART5_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_SERIAL_UART5_PRIORITY 12
-#endif
-
-/**
- * @brief USART6 interrupt priority level setting.
- */
-#if !defined(STM32_SERIAL_USART6_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_SERIAL_USART6_PRIORITY 12
-#endif
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if STM32_SERIAL_USE_USART1 && !STM32_HAS_USART1
-#error "USART1 not present in the selected device"
-#endif
-
-#if STM32_SERIAL_USE_USART2 && !STM32_HAS_USART2
-#error "USART2 not present in the selected device"
-#endif
-
-#if STM32_SERIAL_USE_USART3 && !STM32_HAS_USART3
-#error "USART3 not present in the selected device"
-#endif
-
-#if STM32_SERIAL_USE_UART4 && !STM32_HAS_UART4
-#error "UART4 not present in the selected device"
-#endif
-
-#if STM32_SERIAL_USE_UART5 && !STM32_HAS_UART5
-#error "UART5 not present in the selected device"
-#endif
-
-#if STM32_SERIAL_USE_USART6 && !STM32_HAS_USART6
-#error "USART6 not present in the selected device"
-#endif
-
-#if !STM32_SERIAL_USE_USART1 && !STM32_SERIAL_USE_USART2 && \
- !STM32_SERIAL_USE_USART3 && !STM32_SERIAL_USE_UART4 && \
- !STM32_SERIAL_USE_UART5 && !STM32_SERIAL_USE_USART6
-#error "SERIAL driver activated but no USART/UART peripheral assigned"
-#endif
-
-#if STM32_SERIAL_USE_USART1 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_SERIAL_USART1_PRIORITY)
-#error "Invalid IRQ priority assigned to USART1"
-#endif
-
-#if STM32_SERIAL_USE_USART2 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_SERIAL_USART2_PRIORITY)
-#error "Invalid IRQ priority assigned to USART2"
-#endif
-
-#if STM32_SERIAL_USE_USART3 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_SERIAL_USART3_PRIORITY)
-#error "Invalid IRQ priority assigned to USART3"
-#endif
-
-#if STM32_SERIAL_USE_UART4 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_SERIAL_UART4_PRIORITY)
-#error "Invalid IRQ priority assigned to UART4"
-#endif
-
-#if STM32_SERIAL_USE_UART5 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_SERIAL_UART5_PRIORITY)
-#error "Invalid IRQ priority assigned to UART5"
-#endif
-
-#if STM32_SERIAL_USE_USART6 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_SERIAL_USART6_PRIORITY)
-#error "Invalid IRQ priority assigned to USART6"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief STM32 Serial Driver configuration structure.
- * @details An instance of this structure must be passed to @p sdStart()
- * in order to configure and start a serial driver operations.
- * @note This structure content is architecture dependent, each driver
- * implementation defines its own version and the custom static
- * initializers.
- */
-typedef struct {
- /**
- * @brief Bit rate.
- */
- uint32_t speed;
- /* End of the mandatory fields.*/
- /**
- * @brief Initialization value for the CR1 register.
- */
- uint32_t cr1;
- /**
- * @brief Initialization value for the CR2 register.
- */
- uint32_t cr2;
- /**
- * @brief Initialization value for the CR3 register.
- */
- uint32_t cr3;
-} SerialConfig;
-
-/**
- * @brief @p SerialDriver specific data.
- */
-#define _serial_driver_data \
- _base_asynchronous_channel_data \
- /* Driver state.*/ \
- sdstate_t state; \
- /* Input queue.*/ \
- InputQueue iqueue; \
- /* Output queue.*/ \
- OutputQueue oqueue; \
- /* Input circular buffer.*/ \
- uint8_t ib[SERIAL_BUFFERS_SIZE]; \
- /* Output circular buffer.*/ \
- uint8_t ob[SERIAL_BUFFERS_SIZE]; \
- /* End of the mandatory fields.*/ \
- /* Pointer to the USART registers block.*/ \
- USART_TypeDef *usart; \
- /* Clock frequency for the associated USART/UART.*/ \
- uint32_t clock;
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*
- * Extra USARTs definitions here (missing from the ST header file).
- */
-#define USART_CR2_STOP1_BITS (0 << 12) /**< @brief CR2 1 stop bit value.*/
-#define USART_CR2_STOP0P5_BITS (1 << 12) /**< @brief CR2 0.5 stop bit value.*/
-#define USART_CR2_STOP2_BITS (2 << 12) /**< @brief CR2 2 stop bit value.*/
-#define USART_CR2_STOP1P5_BITS (3 << 12) /**< @brief CR2 1.5 stop bit value.*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if STM32_SERIAL_USE_USART1 && !defined(__DOXYGEN__)
-extern SerialDriver SD1;
-#endif
-#if STM32_SERIAL_USE_USART2 && !defined(__DOXYGEN__)
-extern SerialDriver SD2;
-#endif
-#if STM32_SERIAL_USE_USART3 && !defined(__DOXYGEN__)
-extern SerialDriver SD3;
-#endif
-#if STM32_SERIAL_USE_UART4 && !defined(__DOXYGEN__)
-extern SerialDriver SD4;
-#endif
-#if STM32_SERIAL_USE_UART5 && !defined(__DOXYGEN__)
-extern SerialDriver SD5;
-#endif
-#if STM32_SERIAL_USE_USART6 && !defined(__DOXYGEN__)
-extern SerialDriver SD6;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void sd_lld_init(void);
- void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
- void sd_lld_stop(SerialDriver *sdp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_SERIAL */
-
-#endif /* _SERIAL_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/STM32/USARTv2/uart_lld.c b/os/hal/platforms/STM32/USARTv2/uart_lld.c deleted file mode 100644 index 740c2fd98..000000000 --- a/os/hal/platforms/STM32/USARTv2/uart_lld.c +++ /dev/null @@ -1,594 +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/USARTv2/uart_lld.c
- * @brief STM32 low level UART driver code.
- *
- * @addtogroup UART
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_UART || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-#define USART1_RX_DMA_CHANNEL \
- STM32_DMA_GETCHANNEL(STM32_UART_USART1_RX_DMA_STREAM, \
- STM32_USART1_RX_DMA_CHN)
-
-#define USART1_TX_DMA_CHANNEL \
- STM32_DMA_GETCHANNEL(STM32_UART_USART1_TX_DMA_STREAM, \
- STM32_USART1_TX_DMA_CHN)
-
-#define USART2_RX_DMA_CHANNEL \
- STM32_DMA_GETCHANNEL(STM32_UART_USART2_RX_DMA_STREAM, \
- STM32_USART2_RX_DMA_CHN)
-
-#define USART2_TX_DMA_CHANNEL \
- STM32_DMA_GETCHANNEL(STM32_UART_USART2_TX_DMA_STREAM, \
- STM32_USART2_TX_DMA_CHN)
-
-#define USART3_RX_DMA_CHANNEL \
- STM32_DMA_GETCHANNEL(STM32_UART_USART3_RX_DMA_STREAM, \
- STM32_USART3_RX_DMA_CHN)
-
-#define USART3_TX_DMA_CHANNEL \
- STM32_DMA_GETCHANNEL(STM32_UART_USART3_TX_DMA_STREAM, \
- STM32_USART3_TX_DMA_CHN)
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/** @brief USART1 UART driver identifier.*/
-#if STM32_UART_USE_USART1 || defined(__DOXYGEN__)
-UARTDriver UARTD1;
-#endif
-
-/** @brief USART2 UART driver identifier.*/
-#if STM32_UART_USE_USART2 || defined(__DOXYGEN__)
-UARTDriver UARTD2;
-#endif
-
-/** @brief USART3 UART driver identifier.*/
-#if STM32_UART_USE_USART3 || defined(__DOXYGEN__)
-UARTDriver UARTD3;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/**
- * @brief Status bits translation.
- *
- * @param[in] sr USART SR register value
- *
- * @return The error flags.
- */
-static uartflags_t translate_errors(uint32_t isr) {
- uartflags_t sts = 0;
-
- if (isr & USART_ISR_ORE)
- sts |= UART_OVERRUN_ERROR;
- if (isr & USART_ISR_PE)
- sts |= UART_PARITY_ERROR;
- if (isr & USART_ISR_FE)
- sts |= UART_FRAMING_ERROR;
- if (isr & USART_ISR_NE)
- sts |= UART_NOISE_ERROR;
- if (isr & USART_ISR_LBD)
- sts |= UART_BREAK_DETECTED;
- return sts;
-}
-
-/**
- * @brief Puts the receiver in the UART_RX_IDLE state.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- */
-static void set_rx_idle_loop(UARTDriver *uartp) {
- uint32_t mode;
-
- /* RX DMA channel preparation, if the char callback is defined then the
- TCIE interrupt is enabled too.*/
- if (uartp->config->rxchar_cb == NULL)
- mode = STM32_DMA_CR_DIR_P2M | STM32_DMA_CR_CIRC;
- else
- mode = STM32_DMA_CR_DIR_P2M | STM32_DMA_CR_CIRC | STM32_DMA_CR_TCIE;
- dmaStreamSetMemory0(uartp->dmarx, &uartp->rxbuf);
- dmaStreamSetTransactionSize(uartp->dmarx, 1);
- dmaStreamSetMode(uartp->dmarx, uartp->dmamode | mode);
- dmaStreamEnable(uartp->dmarx);
-}
-
-/**
- * @brief USART de-initialization.
- * @details This function must be invoked with interrupts disabled.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- */
-static void usart_stop(UARTDriver *uartp) {
-
- /* Stops RX and TX DMA channels.*/
- dmaStreamDisable(uartp->dmarx);
- dmaStreamDisable(uartp->dmatx);
-
- /* Stops USART operations.*/
- uartp->usart->CR1 = 0;
- uartp->usart->CR2 = 0;
- uartp->usart->CR3 = 0;
-}
-
-/**
- * @brief USART initialization.
- * @details This function must be invoked with interrupts disabled.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- */
-static void usart_start(UARTDriver *uartp) {
- uint32_t cr1;
- USART_TypeDef *u = uartp->usart;
-
- /* Defensive programming, starting from a clean state.*/
- usart_stop(uartp);
-
- /* Baud rate setting.*/
-#if defined(STM32F0XX)
- if (uartp->usart == USART1)
- u->BRR = STM32_USART1CLK / uartp->config->speed;
- else
- u->BRR = STM32_PCLK / uartp->config->speed;
-#else /* !defined(STM32F0XX) */
- if (uartp->usart == USART1)
- u->BRR = STM32_PCLK2 / uartp->config->speed;
- else
- u->BRR = STM32_PCLK1 / uartp->config->speed;
-#endif /* !defined(STM32F0XX) */
-
- /* Resetting eventual pending status flags.*/
- u->ICR = 0xFFFFFFFF;
-
- /* Note that some bits are enforced because required for correct driver
- operations.*/
- u->CR2 = uartp->config->cr2 | USART_CR2_LBDIE;
- u->CR3 = uartp->config->cr3 | USART_CR3_DMAT | USART_CR3_DMAR |
- USART_CR3_EIE;
- if (uartp->config->txend2_cb == NULL)
- cr1 = USART_CR1_UE | USART_CR1_PEIE | USART_CR1_TE | USART_CR1_RE;
- else
- cr1 = USART_CR1_UE | USART_CR1_PEIE | USART_CR1_TE | USART_CR1_RE |
- USART_CR1_TCIE;
- u->CR1 = uartp->config->cr1 | cr1;
-
- /* Starting the receiver idle loop.*/
- set_rx_idle_loop(uartp);
-}
-
-/**
- * @brief RX DMA common service routine.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] flags pre-shifted content of the ISR register
- */
-static void uart_lld_serve_rx_end_irq(UARTDriver *uartp, uint32_t flags) {
-
- /* DMA errors handling.*/
-#if defined(STM32_UART_DMA_ERROR_HOOK)
- if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
- STM32_UART_DMA_ERROR_HOOK(uartp);
- }
-#else
- (void)flags;
-#endif
-
- if (uartp->rxstate == UART_RX_IDLE) {
- /* Receiver in idle state, a callback is generated, if enabled, for each
- received character and then the driver stays in the same state.*/
- if (uartp->config->rxchar_cb != NULL)
- uartp->config->rxchar_cb(uartp, uartp->rxbuf);
- }
- else {
- /* Receiver in active state, a callback is generated, if enabled, after
- a completed transfer.*/
- dmaStreamDisable(uartp->dmarx);
- uartp->rxstate = UART_RX_COMPLETE;
- if (uartp->config->rxend_cb != NULL)
- uartp->config->rxend_cb(uartp);
-
- /* If the callback didn't explicitly change state then the receiver
- automatically returns to the idle state.*/
- if (uartp->rxstate == UART_RX_COMPLETE) {
- uartp->rxstate = UART_RX_IDLE;
- set_rx_idle_loop(uartp);
- }
- }
-}
-
-/**
- * @brief TX DMA common service routine.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] flags pre-shifted content of the ISR register
- */
-static void uart_lld_serve_tx_end_irq(UARTDriver *uartp, uint32_t flags) {
-
- /* DMA errors handling.*/
-#if defined(STM32_UART_DMA_ERROR_HOOK)
- if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
- STM32_UART_DMA_ERROR_HOOK(uartp);
- }
-#else
- (void)flags;
-#endif
-
- dmaStreamDisable(uartp->dmatx);
-
- /* A callback is generated, if enabled, after a completed transfer.*/
- uartp->txstate = UART_TX_COMPLETE;
- if (uartp->config->txend1_cb != NULL)
- uartp->config->txend1_cb(uartp);
-
- /* If the callback didn't explicitly change state then the transmitter
- automatically returns to the idle state.*/
- if (uartp->txstate == UART_TX_COMPLETE)
- uartp->txstate = UART_TX_IDLE;
-}
-
-/**
- * @brief USART common service routine.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- */
-static void serve_usart_irq(UARTDriver *uartp) {
- uint32_t isr;
- USART_TypeDef *u = uartp->usart;
-
- /* Reading and clearing status.*/
- isr = u->ISR;
- u->ICR = isr;
-
- if (isr & (USART_ISR_LBD | USART_ISR_ORE | USART_ISR_NE |
- USART_ISR_FE | USART_ISR_PE)) {
- if (uartp->config->rxerr_cb != NULL)
- uartp->config->rxerr_cb(uartp, translate_errors(isr));
- }
- if (isr & USART_ISR_TC) {
- /* End of transmission, a callback is generated.*/
- if (uartp->config->txend2_cb != NULL)
- uartp->config->txend2_cb(uartp);
- }
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if STM32_UART_USE_USART1 || defined(__DOXYGEN__)
-#if !defined(STM32_USART1_HANDLER)
-#error "STM32_USART1_HANDLER not defined"
-#endif
-/**
- * @brief USART1 IRQ handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART1_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_usart_irq(&UARTD1);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_UART_USE_USART1 */
-
-#if STM32_UART_USE_USART2 || defined(__DOXYGEN__)
-#if !defined(STM32_USART2_HANDLER)
-#error "STM32_USART2_HANDLER not defined"
-#endif
-/**
- * @brief USART2 IRQ handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART2_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_usart_irq(&UARTD2);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_UART_USE_USART2 */
-
-#if STM32_UART_USE_USART3 || defined(__DOXYGEN__)
-#if !defined(STM32_USART3_HANDLER)
-#error "STM32_USART3_HANDLER not defined"
-#endif
-/**
- * @brief USART3 IRQ handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_USART3_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- serve_usart_irq(&UARTD3);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_UART_USE_USART3 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level UART driver initialization.
- *
- * @notapi
- */
-void uart_lld_init(void) {
-
-#if STM32_UART_USE_USART1
- uartObjectInit(&UARTD1);
- UARTD1.usart = USART1;
- UARTD1.dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
- UARTD1.dmarx = STM32_DMA_STREAM(STM32_UART_USART1_RX_DMA_STREAM);
- UARTD1.dmatx = STM32_DMA_STREAM(STM32_UART_USART1_TX_DMA_STREAM);
-#endif
-
-#if STM32_UART_USE_USART2
- uartObjectInit(&UARTD2);
- UARTD2.usart = USART2;
- UARTD2.dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
- UARTD2.dmarx = STM32_DMA_STREAM(STM32_UART_USART2_RX_DMA_STREAM);
- UARTD2.dmatx = STM32_DMA_STREAM(STM32_UART_USART2_TX_DMA_STREAM);
-#endif
-
-#if STM32_UART_USE_USART3
- uartObjectInit(&UARTD3);
- UARTD3.usart = USART3;
- UARTD3.dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
- UARTD3.dmarx = STM32_DMA_STREAM(STM32_UART_USART3_RX_DMA_STREAM);
- UARTD3.dmatx = STM32_DMA_STREAM(STM32_UART_USART3_TX_DMA_STREAM);
-#endif
-}
-
-/**
- * @brief Configures and activates the UART peripheral.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @notapi
- */
-void uart_lld_start(UARTDriver *uartp) {
-
- if (uartp->state == UART_STOP) {
-#if STM32_UART_USE_USART1
- if (&UARTD1 == uartp) {
- bool_t b;
- b = dmaStreamAllocate(uartp->dmarx,
- STM32_UART_USART1_IRQ_PRIORITY,
- (stm32_dmaisr_t)uart_lld_serve_rx_end_irq,
- (void *)uartp);
- chDbgAssert(!b, "uart_lld_start(), #1", "stream already allocated");
- b = dmaStreamAllocate(uartp->dmatx,
- STM32_UART_USART1_IRQ_PRIORITY,
- (stm32_dmaisr_t)uart_lld_serve_tx_end_irq,
- (void *)uartp);
- chDbgAssert(!b, "uart_lld_start(), #2", "stream already allocated");
- rccEnableUSART1(FALSE);
- nvicEnableVector(STM32_USART1_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_UART_USART1_IRQ_PRIORITY));
- uartp->dmamode |= STM32_DMA_CR_CHSEL(USART1_RX_DMA_CHANNEL) |
- STM32_DMA_CR_PL(STM32_UART_USART1_DMA_PRIORITY);
- }
-#endif
-
-#if STM32_UART_USE_USART2
- if (&UARTD2 == uartp) {
- bool_t b;
- b = dmaStreamAllocate(uartp->dmarx,
- STM32_UART_USART2_IRQ_PRIORITY,
- (stm32_dmaisr_t)uart_lld_serve_rx_end_irq,
- (void *)uartp);
- chDbgAssert(!b, "uart_lld_start(), #3", "stream already allocated");
- b = dmaStreamAllocate(uartp->dmatx,
- STM32_UART_USART2_IRQ_PRIORITY,
- (stm32_dmaisr_t)uart_lld_serve_tx_end_irq,
- (void *)uartp);
- chDbgAssert(!b, "uart_lld_start(), #4", "stream already allocated");
- rccEnableUSART2(FALSE);
- nvicEnableVector(STM32_USART2_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_UART_USART2_IRQ_PRIORITY));
- uartp->dmamode |= STM32_DMA_CR_CHSEL(USART2_RX_DMA_CHANNEL) |
- STM32_DMA_CR_PL(STM32_UART_USART2_DMA_PRIORITY);
- }
-#endif
-
-#if STM32_UART_USE_USART3
- if (&UARTD3 == uartp) {
- bool_t b;
- b = dmaStreamAllocate(uartp->dmarx,
- STM32_UART_USART3_IRQ_PRIORITY,
- (stm32_dmaisr_t)uart_lld_serve_rx_end_irq,
- (void *)uartp);
- chDbgAssert(!b, "uart_lld_start(), #5", "stream already allocated");
- b = dmaStreamAllocate(uartp->dmatx,
- STM32_UART_USART3_IRQ_PRIORITY,
- (stm32_dmaisr_t)uart_lld_serve_tx_end_irq,
- (void *)uartp);
- chDbgAssert(!b, "uart_lld_start(), #6", "stream already allocated");
- rccEnableUSART3(FALSE);
- nvicEnableVector(STM32_USART3_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_UART_USART3_IRQ_PRIORITY));
- uartp->dmamode |= STM32_DMA_CR_CHSEL(USART3_RX_DMA_CHANNEL) |
- STM32_DMA_CR_PL(STM32_UART_USART3_DMA_PRIORITY);
- }
-#endif
-
- /* Static DMA setup, the transfer size depends on the USART settings,
- it is 16 bits if M=1 and PCE=0 else it is 8 bits.*/
- if ((uartp->config->cr1 & (USART_CR1_M | USART_CR1_PCE)) == USART_CR1_M)
- uartp->dmamode |= STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD;
- dmaStreamSetPeripheral(uartp->dmarx, &uartp->usart->RDR);
- dmaStreamSetPeripheral(uartp->dmatx, &uartp->usart->TDR);
- uartp->rxbuf = 0;
- }
-
- uartp->rxstate = UART_RX_IDLE;
- uartp->txstate = UART_TX_IDLE;
- usart_start(uartp);
-}
-
-/**
- * @brief Deactivates the UART peripheral.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @notapi
- */
-void uart_lld_stop(UARTDriver *uartp) {
-
- if (uartp->state == UART_READY) {
- usart_stop(uartp);
- dmaStreamRelease(uartp->dmarx);
- dmaStreamRelease(uartp->dmatx);
-
-#if STM32_UART_USE_USART1
- if (&UARTD1 == uartp) {
- nvicDisableVector(STM32_USART1_NUMBER);
- rccDisableUSART1(FALSE);
- return;
- }
-#endif
-
-#if STM32_UART_USE_USART2
- if (&UARTD2 == uartp) {
- nvicDisableVector(STM32_USART2_NUMBER);
- rccDisableUSART2(FALSE);
- return;
- }
-#endif
-
-#if STM32_UART_USE_USART3
- if (&UARTD3 == uartp) {
- nvicDisableVector(STM32_USART3_NUMBER);
- rccDisableUSART3(FALSE);
- return;
- }
-#endif
- }
-}
-
-/**
- * @brief Starts a transmission on the UART peripheral.
- * @note The buffers are organized as uint8_t arrays for data sizes below
- * or equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] n number of data frames to send
- * @param[in] txbuf the pointer to the transmit buffer
- *
- * @notapi
- */
-void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
-
- /* TX DMA channel preparation and start.*/
- dmaStreamSetMemory0(uartp->dmatx, txbuf);
- dmaStreamSetTransactionSize(uartp->dmatx, n);
- dmaStreamSetMode(uartp->dmatx, uartp->dmamode | STM32_DMA_CR_DIR_M2P |
- STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE);
- dmaStreamEnable(uartp->dmatx);
-}
-
-/**
- * @brief Stops any ongoing transmission.
- * @note Stopping a transmission also suppresses the transmission callbacks.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @return The number of data frames not transmitted by the
- * stopped transmit operation.
- *
- * @notapi
- */
-size_t uart_lld_stop_send(UARTDriver *uartp) {
-
- dmaStreamDisable(uartp->dmatx);
- return dmaStreamGetTransactionSize(uartp->dmatx);
-}
-
-/**
- * @brief Starts a receive operation on the UART peripheral.
- * @note The buffers are organized as uint8_t arrays for data sizes below
- * or equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] n number of data frames to send
- * @param[out] rxbuf the pointer to the receive buffer
- *
- * @notapi
- */
-void uart_lld_start_receive(UARTDriver *uartp, size_t n, void *rxbuf) {
-
- /* Stopping previous activity (idle state).*/
- dmaStreamDisable(uartp->dmarx);
-
- /* RX DMA channel preparation and start.*/
- dmaStreamSetMemory0(uartp->dmarx, rxbuf);
- dmaStreamSetTransactionSize(uartp->dmarx, n);
- dmaStreamSetMode(uartp->dmarx, uartp->dmamode | STM32_DMA_CR_DIR_P2M |
- STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE);
- dmaStreamEnable(uartp->dmarx);
-}
-
-/**
- * @brief Stops any ongoing receive operation.
- * @note Stopping a receive operation also suppresses the receive callbacks.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @return The number of data frames not received by the
- * stopped receive operation.
- *
- * @notapi
- */
-size_t uart_lld_stop_receive(UARTDriver *uartp) {
- size_t n;
-
- dmaStreamDisable(uartp->dmarx);
- n = dmaStreamGetTransactionSize(uartp->dmarx);
- set_rx_idle_loop(uartp);
- return n;
-}
-
-#endif /* HAL_USE_UART */
-
-/** @} */
diff --git a/os/hal/platforms/STM32/USARTv2/uart_lld.h b/os/hal/platforms/STM32/USARTv2/uart_lld.h deleted file mode 100644 index 6d44af0ba..000000000 --- a/os/hal/platforms/STM32/USARTv2/uart_lld.h +++ /dev/null @@ -1,458 +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/USARTv2/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 FALSE
-#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 FALSE
-#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 FALSE
-#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*/
-
-#if defined(STM32F0XX)
-/* Fixed values for STM32F0xx devices.*/
-#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
-#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
-#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
-#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
-#endif /* defined(STM32F0XX) */
-
-#if defined(STM32F30X)|| defined(STM32F37X)
-/* Fixed values for STM32F3xx devices.*/
-#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 /* defined(STM32F30X) */
-
-#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 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_UART_USART1_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to USART1"
-#endif
-
-#if STM32_UART_USE_USART2 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_UART_USART2_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to USART2"
-#endif
-
-#if STM32_UART_USE_USART3 && \
- !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_UART_USART3_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to USART3"
-#endif
-
-#if STM32_UART_USE_USART1 && \
- !STM32_DMA_IS_VALID_PRIORITY(STM32_UART_USART1_DMA_PRIORITY)
-#error "Invalid DMA priority assigned to USART1"
-#endif
-
-#if STM32_UART_USE_USART2 && \
- !STM32_DMA_IS_VALID_PRIORITY(STM32_UART_USART2_DMA_PRIORITY)
-#error "Invalid DMA priority assigned to USART2"
-#endif
-
-#if STM32_UART_USE_USART3 && \
- !STM32_DMA_IS_VALID_PRIORITY(STM32_UART_USART3_DMA_PRIORITY)
-#error "Invalid DMA priority assigned to USART3"
-#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.
- */
- uint32_t cr1;
- /**
- * @brief Initialization value for the CR2 register.
- */
- uint32_t cr2;
- /**
- * @brief Initialization value for the CR3 register.
- */
- uint32_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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