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							| @@ -0,0 +1,269 @@ | ||||
| // ################################################################################################# | ||||
| // # << NEORV32: neorv32_slink.h - Stream Link Interface HW Driver >>                              # | ||||
| // # ********************************************************************************************* # | ||||
| // # BSD 3-Clause License                                                                          # | ||||
| // #                                                                                               # | ||||
| // # Copyright (c) 2021, Stephan Nolting. All rights reserved.                                     # | ||||
| // #                                                                                               # | ||||
| // # Redistribution and use in source and binary forms, with or without modification, are          # | ||||
| // # permitted provided that the following conditions are met:                                     # | ||||
| // #                                                                                               # | ||||
| // # 1. Redistributions of source code must retain the above copyright notice, this list of        # | ||||
| // #    conditions and the following disclaimer.                                                   # | ||||
| // #                                                                                               # | ||||
| // # 2. Redistributions in binary form must reproduce the above copyright notice, this list of     # | ||||
| // #    conditions and the following disclaimer in the documentation and/or other materials        # | ||||
| // #    provided with the distribution.                                                            # | ||||
| // #                                                                                               # | ||||
| // # 3. Neither the name of the copyright holder nor the names of its contributors may be used to  # | ||||
| // #    endorse or promote products derived from this software without specific prior written      # | ||||
| // #    permission.                                                                                # | ||||
| // #                                                                                               # | ||||
| // # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS   # | ||||
| // # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF               # | ||||
| // # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE    # | ||||
| // # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,     # | ||||
| // # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE # | ||||
| // # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED    # | ||||
| // # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING     # | ||||
| // # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED  # | ||||
| // # OF THE POSSIBILITY OF SUCH DAMAGE.                                                            # | ||||
| // # ********************************************************************************************* # | ||||
| // # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting # | ||||
| // ################################################################################################# | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * @file neorv32_slink.h | ||||
|  * @author Stephan Nolting | ||||
|  * @brief Stream Link Interface HW driver header file. | ||||
|  **************************************************************************/ | ||||
|  | ||||
| #ifndef neorv32_slink_h | ||||
| #define neorv32_slink_h | ||||
|  | ||||
| // prototypes | ||||
| int neorv32_slink_available(void); | ||||
| void neorv32_slink_enable(void); | ||||
| void neorv32_slink_disable(void); | ||||
| void neorv32_slink_rx_irq_config(int link_id, int irq_en, int irq_type); | ||||
| void neorv32_slink_tx_irq_config(int link_id, int irq_en, int irq_type); | ||||
| int neorv32_slink_get_rx_num(void); | ||||
| int neorv32_slink_get_tx_num(void); | ||||
| int neorv32_slink_get_rx_depth(void); | ||||
| int neorv32_slink_get_tx_depth(void); | ||||
| int neorv32_slink_check_rx_half_full(int link_id); | ||||
| int neorv32_slink_check_tx_half_full(int link_id); | ||||
| // non-blocking transmit | ||||
| int neorv32_slink_tx0_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx1_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx2_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx3_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx4_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx5_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx6_nonblocking(uint32_t tx_data); | ||||
| int neorv32_slink_tx7_nonblocking(uint32_t tx_data); | ||||
| // non-blocking receive | ||||
| int neorv32_slink_rx0_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx1_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx2_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx3_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx4_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx5_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx6_nonblocking(uint32_t *rx_data); | ||||
| int neorv32_slink_rx7_nonblocking(uint32_t *rx_data); | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 0 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx0_blocking(uint32_t tx_data) {   | ||||
|   NEORV32_SLINK.DATA[0] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 1 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx1_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[1] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 2 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx2_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[2] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 3 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx3_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[3] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 4 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx4_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[4] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 5 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx5_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[5] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 6 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx6_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[6] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Write data to TX stream link 7 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in] tx_data Data to send to link. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_tx7_blocking(uint32_t tx_data) {  | ||||
|   NEORV32_SLINK.DATA[7] = tx_data; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 0 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx0_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[0]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 1 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx1_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[1]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 2 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx2_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[2]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 3 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx3_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[3]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 4 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx4_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[4]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 5 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx5_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[5]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 6 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx6_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[6]; | ||||
| } | ||||
|  | ||||
|  | ||||
| /**********************************************************************//** | ||||
|  * Read data from RX stream link 7 (blocking!) | ||||
|  * | ||||
|  * @warning This function will raise an exception when the bus access times out! | ||||
|  * | ||||
|  * @param[in,out] rx_data Pointer to return read data. | ||||
|  **************************************************************************/ | ||||
| inline void __attribute__ ((always_inline)) neorv32_slink_rx7_blocking(uint32_t *rx_data) {  | ||||
|   *rx_data = NEORV32_SLINK.DATA[7]; | ||||
| } | ||||
|  | ||||
|  | ||||
| #endif // neorv32_slink_h | ||||
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