diff options
Diffstat (limited to 'platforms')
20 files changed, 433 insertions, 272 deletions
diff --git a/platforms/arm_atsam/platform.mk b/platforms/arm_atsam/platform.mk index b49bf764d7..9618838dc3 100644 --- a/platforms/arm_atsam/platform.mk +++ b/platforms/arm_atsam/platform.mk @@ -30,7 +30,7 @@ COMPILEFLAGS += -mthumb CFLAGS += $(COMPILEFLAGS) CXXFLAGS += $(COMPILEFLAGS) -CXXFLAGS += -fno-exceptions -std=c++11 +CXXFLAGS += -fno-exceptions $(CXXSTANDARD) LDFLAGS +=-Wl,--gc-sections LDFLAGS += -Wl,-Map="%OUT%%PROJ_NAME%.map" diff --git a/platforms/avr/drivers/ps2/ps2_usart.c b/platforms/avr/drivers/ps2/ps2_usart.c index 39ec930d4a..581badac64 100644 --- a/platforms/avr/drivers/ps2/ps2_usart.c +++ b/platforms/avr/drivers/ps2/ps2_usart.c @@ -72,8 +72,8 @@ uint8_t ps2_error = PS2_ERR_NONE; static inline uint8_t pbuf_dequeue(void); static inline void pbuf_enqueue(uint8_t data); -static inline bool pbuf_has_data(void); static inline void pbuf_clear(void); +bool pbuf_has_data(void); void ps2_host_init(void) { idle(); // without this many USART errors occur when cable is disconnected @@ -212,7 +212,7 @@ static inline uint8_t pbuf_dequeue(void) { return val; } -static inline bool pbuf_has_data(void) { +bool pbuf_has_data(void) { uint8_t sreg = SREG; cli(); bool has_data = (pbuf_head != pbuf_tail); diff --git a/platforms/avr/platform.mk b/platforms/avr/platform.mk index 978199b385..b51a94c93a 100644 --- a/platforms/avr/platform.mk +++ b/platforms/avr/platform.mk @@ -38,7 +38,7 @@ CFLAGS += -fno-inline-small-functions CFLAGS += -fno-strict-aliasing CXXFLAGS += $(COMPILEFLAGS) -CXXFLAGS += -fno-exceptions -std=c++11 +CXXFLAGS += -fno-exceptions $(CXXSTANDARD) LDFLAGS += -Wl,--gc-sections diff --git a/platforms/chibios/bootloaders/stm32_dfu.c b/platforms/chibios/bootloaders/stm32_dfu.c index ff866bd2bc..7b4ab86033 100644 --- a/platforms/chibios/bootloaders/stm32_dfu.c +++ b/platforms/chibios/bootloaders/stm32_dfu.c @@ -38,7 +38,7 @@ extern uint32_t __ram0_end__; # endif # ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY -# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100000 +# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100 # endif __attribute__((weak)) void bootloader_jump(void) { @@ -55,7 +55,7 @@ __attribute__((weak)) void bootloader_jump(void) { # endif // Wait for a while for the capacitor to charge - wait_ms(100); + wait_ms(STM32_BOOTLOADER_DUAL_BANK_DELAY); // Issue a system reset to get the ROM bootloader to execute, with BOOT0 high NVIC_SystemReset(); diff --git a/platforms/chibios/eeprom_stm32.c b/platforms/chibios/drivers/eeprom/eeprom_stm32.c index a15bfe09ed..a15bfe09ed 100644 --- a/platforms/chibios/eeprom_stm32.c +++ b/platforms/chibios/drivers/eeprom/eeprom_stm32.c diff --git a/platforms/chibios/eeprom_stm32.h b/platforms/chibios/drivers/eeprom/eeprom_stm32.h index 8fcfb556b8..8fcfb556b8 100644 --- a/platforms/chibios/eeprom_stm32.h +++ b/platforms/chibios/drivers/eeprom/eeprom_stm32.h diff --git a/platforms/chibios/eeprom_stm32_defs.h b/platforms/chibios/drivers/eeprom/eeprom_stm32_defs.h index 57d0440330..57d0440330 100644 --- a/platforms/chibios/eeprom_stm32_defs.h +++ b/platforms/chibios/drivers/eeprom/eeprom_stm32_defs.h diff --git a/platforms/chibios/eeprom_teensy.c b/platforms/chibios/drivers/eeprom/eeprom_teensy.c index c8777febde..c8777febde 100644 --- a/platforms/chibios/eeprom_teensy.c +++ b/platforms/chibios/drivers/eeprom/eeprom_teensy.c diff --git a/platforms/chibios/eeprom_teensy.h b/platforms/chibios/drivers/eeprom/eeprom_teensy.h index 9a14a1fa79..9a14a1fa79 100755 --- a/platforms/chibios/eeprom_teensy.h +++ b/platforms/chibios/drivers/eeprom/eeprom_teensy.h diff --git a/platforms/chibios/flash_stm32.c b/platforms/chibios/drivers/flash/flash_stm32.c index 72c41b8b78..72c41b8b78 100644 --- a/platforms/chibios/flash_stm32.c +++ b/platforms/chibios/drivers/flash/flash_stm32.c diff --git a/platforms/chibios/flash_stm32.h b/platforms/chibios/drivers/flash/flash_stm32.h index 6c66642ec5..6c66642ec5 100644 --- a/platforms/chibios/flash_stm32.h +++ b/platforms/chibios/drivers/flash/flash_stm32.h diff --git a/platforms/chibios/drivers/serial.c b/platforms/chibios/drivers/serial.c index 0cff057d1d..3fae5cd3a4 100644 --- a/platforms/chibios/drivers/serial.c +++ b/platforms/chibios/drivers/serial.c @@ -87,10 +87,7 @@ static THD_FUNCTION(Thread1, arg) { chRegSetThreadName("blinker"); while (true) { palWaitLineTimeout(SOFT_SERIAL_PIN, TIME_INFINITE); - - split_shared_memory_lock(); interrupt_handler(NULL); - split_shared_memory_unlock(); } } @@ -155,6 +152,7 @@ static void __attribute__((noinline)) serial_write_byte(uint8_t data) { // interrupt handle to be used by the slave device void interrupt_handler(void *arg) { + split_shared_memory_lock_autounlock(); chSysLockFromISR(); sync_send(); @@ -212,6 +210,8 @@ void interrupt_handler(void *arg) { static inline bool initiate_transaction(uint8_t sstd_index) { if (sstd_index > NUM_TOTAL_TRANSACTIONS) return false; + split_shared_memory_lock_autounlock(); + split_transaction_desc_t *trans = &split_transaction_table[sstd_index]; // TODO: remove extra delay between transactions @@ -233,7 +233,7 @@ static inline bool initiate_transaction(uint8_t sstd_index) { // check if the slave is present if (serial_read_pin()) { // slave failed to pull the line low, assume not present - dprintf("serial::NO_RESPONSE\n"); + serial_dprintf("serial::NO_RESPONSE\n"); chSysUnlock(); return false; } @@ -269,7 +269,7 @@ static inline bool initiate_transaction(uint8_t sstd_index) { serial_delay(); if ((checksum_computed) != (checksum_received)) { - dprintf("serial::FAIL[%u,%u,%u]\n", checksum_computed, checksum_received, sstd_index); + serial_dprintf("serial::FAIL[%u,%u,%u]\n", checksum_computed, checksum_received, sstd_index); serial_output(); serial_high(); @@ -292,8 +292,5 @@ static inline bool initiate_transaction(uint8_t sstd_index) { // // this code is very time dependent, so we need to disable interrupts bool soft_serial_transaction(int sstd_index) { - split_shared_memory_lock(); - bool result = initiate_transaction((uint8_t)sstd_index); - split_shared_memory_unlock(); - return result; + return initiate_transaction((uint8_t)sstd_index); } diff --git a/platforms/chibios/drivers/serial_protocol.c b/platforms/chibios/drivers/serial_protocol.c new file mode 100644 index 0000000000..c95aed9885 --- /dev/null +++ b/platforms/chibios/drivers/serial_protocol.c @@ -0,0 +1,164 @@ +// Copyright 2022 Stefan Kerkmann +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <ch.h> + +#include "quantum.h" +#include "serial.h" +#include "serial_protocol.h" +#include "printf.h" +#include "synchronization_util.h" + +static inline bool initiate_transaction(uint8_t transaction_id); +static inline bool react_to_transaction(void); + +/** + * @brief This thread runs on the slave and responds to transactions initiated + * by the master. + */ +static THD_WORKING_AREA(waSlaveThread, 1024); +static THD_FUNCTION(SlaveThread, arg) { + (void)arg; + chRegSetThreadName("split_protocol_tx_rx"); + + while (true) { + if (unlikely(!react_to_transaction())) { + /* Clear the receive queue, to start with a clean slate. + * Parts of failed transactions or spurious bytes could still be in it. */ + serial_transport_driver_clear(); + } + } +} + +/** + * @brief Slave specific initializations. + */ +void soft_serial_target_init(void) { + serial_transport_driver_slave_init(); + + /* Start transport thread. */ + chThdCreateStatic(waSlaveThread, sizeof(waSlaveThread), HIGHPRIO, SlaveThread, NULL); +} + +/** + * @brief Master specific initializations. + */ +void soft_serial_initiator_init(void) { + serial_transport_driver_master_init(); +} + +/** + * @brief React to transactions started by the master. + */ +static inline bool react_to_transaction(void) { + uint8_t transaction_id = 0; + /* Wait until there is a transaction for us. */ + if (unlikely(!serial_transport_receive_blocking(&transaction_id, sizeof(transaction_id)))) { + return false; + } + + /* Sanity check that we are actually responding to a valid transaction. */ + if (unlikely(transaction_id >= NUM_TOTAL_TRANSACTIONS)) { + return false; + } + + split_shared_memory_lock_autounlock(); + + split_transaction_desc_t* transaction = &split_transaction_table[transaction_id]; + + /* Send back the handshake which is XORed as a simple checksum, + to signal that the slave is ready to receive possible transaction buffers */ + transaction_id ^= NUM_TOTAL_TRANSACTIONS; + if (unlikely(!serial_transport_send(&transaction_id, sizeof(transaction_id)))) { + return false; + } + + /* Receive transaction buffer from the master. If this transaction requires it.*/ + if (transaction->initiator2target_buffer_size) { + if (unlikely(!serial_transport_receive(split_trans_initiator2target_buffer(transaction), transaction->initiator2target_buffer_size))) { + return false; + } + } + + /* Allow any slave processing to occur. */ + if (transaction->slave_callback) { + transaction->slave_callback(transaction->initiator2target_buffer_size, split_trans_initiator2target_buffer(transaction), transaction->initiator2target_buffer_size, split_trans_target2initiator_buffer(transaction)); + } + + /* Send transaction buffer to the master. If this transaction requires it. */ + if (transaction->target2initiator_buffer_size) { + if (unlikely(!serial_transport_send(split_trans_target2initiator_buffer(transaction), transaction->target2initiator_buffer_size))) { + return false; + } + } + + return true; +} + +/** + * @brief Start transaction from the master half to the slave half. + * + * @param index Transaction Table index of the transaction to start. + * @return bool Indicates success of transaction. + */ +bool soft_serial_transaction(int index) { + bool result = initiate_transaction((uint8_t)index); + + if (unlikely(!result)) { + /* Clear the receive queue, to start with a clean slate. + * Parts of failed transactions or spurious bytes could still be in it. */ + serial_transport_driver_clear(); + } + + return result; +} + +/** + * @brief Initiate transaction to slave half. + */ +static inline bool initiate_transaction(uint8_t transaction_id) { + /* Sanity check that we are actually starting a valid transaction. */ + if (unlikely(transaction_id >= NUM_TOTAL_TRANSACTIONS)) { + serial_dprintf("SPLIT: illegal transaction id\n"); + return false; + } + + split_shared_memory_lock_autounlock(); + + split_transaction_desc_t* transaction = &split_transaction_table[transaction_id]; + + /* Send transaction table index to the slave, which doubles as basic handshake token. */ + if (unlikely(!serial_transport_send(&transaction_id, sizeof(transaction_id)))) { + serial_dprintf("SPLIT: sending handshake failed\n"); + return false; + } + + uint8_t transaction_id_shake = 0xFF; + + /* Which we always read back first so that we can error out correctly. + * - due to the half duplex limitations on return codes, we always have to read *something*. + * - without the read, write only transactions *always* succeed, even during the boot process where the slave is not ready. + */ + if (unlikely(!serial_transport_receive(&transaction_id_shake, sizeof(transaction_id_shake)) || (transaction_id_shake != (transaction_id ^ NUM_TOTAL_TRANSACTIONS)))) { + serial_dprintf("SPLIT: receiving handshake failed\n"); + return false; + } + + /* Send transaction buffer to the slave. If this transaction requires it. */ + if (transaction->initiator2target_buffer_size) { + if (unlikely(!serial_transport_send(split_trans_initiator2target_buffer(transaction), transaction->initiator2target_buffer_size))) { + serial_dprintf("SPLIT: sending buffer failed\n"); + return false; + } + } + + /* Receive transaction buffer from the slave. If this transaction requires it. */ + if (transaction->target2initiator_buffer_size) { + if (unlikely(!serial_transport_receive(split_trans_target2initiator_buffer(transaction), transaction->target2initiator_buffer_size))) { + serial_dprintf("SPLIT: receiving buffer failed\n"); + return false; + } + } + + return true; +} diff --git a/platforms/chibios/drivers/serial_protocol.h b/platforms/chibios/drivers/serial_protocol.h new file mode 100644 index 0000000000..4275a7f8d8 --- /dev/null +++ b/platforms/chibios/drivers/serial_protocol.h @@ -0,0 +1,49 @@ +// Copyright 2022 Stefan Kerkmann +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <stddef.h> +#include <stdint.h> +#include <stdbool.h> + +#pragma once + +/** + * @brief Clears any intermediate sending or receiving state of the driver to a known good + * state. This happens after errors in the middle of transactions, to start with + * a clean slate. + */ +void serial_transport_driver_clear(void); + +/** + * @brief Driver specific initialization on the slave half. + */ +void serial_transport_driver_slave_init(void); + +/** + * @brief Driver specific specific initialization on the master half. + */ +void serial_transport_driver_master_init(void); + +/** + * @brief Blocking receive of size * bytes. + * + * @return true Receive success. + * @return false Receive failed, e.g. by bit errors. + */ +bool __attribute__((nonnull, hot)) serial_transport_receive(uint8_t* destination, const size_t size); + +/** + * @brief Blocking receive of size * bytes with an implicitly defined timeout. + * + * @return true Receive success. + * @return false Receive failed, e.g. by timeout or bit errors. + */ +bool __attribute__((nonnull, hot)) serial_transport_receive_blocking(uint8_t* destination, const size_t size); + +/** + * @brief Blocking send of buffer with timeout. + * + * @return true Send success. + * @return false Send failed, e.g. by timeout or bit errors. + */ +bool __attribute__((nonnull, hot)) serial_transport_send(const uint8_t* source, const size_t size); diff --git a/platforms/chibios/drivers/serial_usart.c b/platforms/chibios/drivers/serial_usart.c index e9fa4af7a3..f76afb5db4 100644 --- a/platforms/chibios/drivers/serial_usart.c +++ b/platforms/chibios/drivers/serial_usart.c @@ -1,49 +1,42 @@ -/* Copyright 2021 QMK - * - * This program 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. - * - * This program 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/>. - */ +// Copyright 2021 QMK +// Copyright 2022 Stefan Kerkmann +// SPDX-License-Identifier: GPL-2.0-or-later #include "serial_usart.h" +#include "serial_protocol.h" #include "synchronization_util.h" #if defined(SERIAL_USART_CONFIG) -static SerialConfig serial_config = SERIAL_USART_CONFIG; +static QMKSerialConfig serial_config = SERIAL_USART_CONFIG; #else -static SerialConfig serial_config = { - .speed = (SERIAL_USART_SPEED), /* speed - mandatory */ +static QMKSerialConfig serial_config = { +# if HAL_USE_SERIAL + .speed = (SERIAL_USART_SPEED), /* baudrate - mandatory */ +# else + .baud = (SERIAL_USART_SPEED), /* baudrate - mandatory */ +# endif .cr1 = (SERIAL_USART_CR1), .cr2 = (SERIAL_USART_CR2), # if !defined(SERIAL_USART_FULL_DUPLEX) .cr3 = ((SERIAL_USART_CR3) | USART_CR3_HDSEL) /* activate half-duplex mode */ # else - .cr3 = (SERIAL_USART_CR3) + .cr3 = (SERIAL_USART_CR3) # endif }; #endif -static SerialDriver* serial_driver = &SERIAL_USART_DRIVER; +static QMKSerialDriver* serial_driver = (QMKSerialDriver*)&SERIAL_USART_DRIVER; -static inline bool react_to_transactions(void); -static inline bool __attribute__((nonnull)) receive(uint8_t* destination, const size_t size); -static inline bool __attribute__((nonnull)) send(const uint8_t* source, const size_t size); -static inline bool initiate_transaction(uint8_t sstd_index); -static inline void usart_clear(void); +#if HAL_USE_SERIAL /** - * @brief Clear the receive input queue. + * @brief SERIAL Driver startup routine. */ -static inline void usart_clear(void) { +static inline void usart_driver_start(void) { + sdStart(serial_driver, &serial_config); +} + +inline void serial_transport_driver_clear(void) { osalSysLock(); bool volatile queue_not_empty = !iqIsEmptyI(&serial_driver->iqueue); osalSysUnlock(); @@ -64,36 +57,96 @@ static inline void usart_clear(void) { } } +#elif HAL_USE_SIO + +void clear_rx_evt_cb(SIODriver* siop) { + osalSysLockFromISR(); + /* If errors occured during transactions this callback is invoked. We just + * clear the error sources and move on. We rely on the fact that we check + * for the success of the transaction by comparing the received/send bytes + * with the actual received/send bytes in the send/receive functions. */ + sioGetAndClearEventsI(serial_driver); + osalSysUnlockFromISR(); +} + +static const SIOOperation serial_usart_operation = {.rx_cb = NULL, .rx_idle_cb = NULL, .tx_cb = NULL, .tx_end_cb = NULL, .rx_evt_cb = &clear_rx_evt_cb}; + /** - * @brief Blocking send of buffer with timeout. - * - * @return true Send success. - * @return false Send failed. + * @brief SIO Driver startup routine. */ -static inline bool send(const uint8_t* source, const size_t size) { - bool success = (size_t)sdWriteTimeout(serial_driver, source, size, TIME_MS2I(SERIAL_USART_TIMEOUT)) == size; +static inline void usart_driver_start(void) { + sioStart(serial_driver, &serial_config); + sioStartOperation(serial_driver, &serial_usart_operation); +} + +inline void serial_transport_driver_clear(void) { + osalSysLock(); + while (!sioIsRXEmptyX(serial_driver)) { + (void)sioGetX(serial_driver); + } + osalSysUnlock(); +} + +#else + +# error Either the SERIAL or SIO driver has to be activated to use the usart driver for split keyboards. + +#endif + +inline bool serial_transport_send(const uint8_t* source, const size_t size) { + bool success = (size_t)chnWriteTimeout(serial_driver, source, size, TIME_MS2I(SERIAL_USART_TIMEOUT)) == size; #if !defined(SERIAL_USART_FULL_DUPLEX) - if (success) { - /* Half duplex fills the input queue with the data we wrote - just throw it away. - Under the right circumstances (e.g. bad cables paired with high baud rates) - less bytes can be present in the input queue, therefore a timeout is needed. */ - uint8_t dump[size]; - return receive(dump, size); + /* Half duplex fills the input queue with the data we wrote - just throw it away. */ + if (likely(success)) { + size_t bytes_left = size; +# if HAL_USE_SERIAL + /* The SERIAL driver uses large soft FIFOs that are filled from an IRQ + * context, so there is a delay between receiving the data and it + * becoming actually available, therefore we have to apply a timeout + * mechanism. Under the right circumstances (e.g. bad cables paired with + * high baud rates) less bytes can be present in the input queue as + * well. */ + uint8_t dump[64]; + + while (unlikely(bytes_left >= 64)) { + if (unlikely(!serial_transport_receive(dump, 64))) { + return false; + } + bytes_left -= 64; + } + + return serial_transport_receive(dump, bytes_left); +# else + /* The SIO driver directly accesses the hardware FIFOs of the USART + * peripheral. As these are limited in depth, the RX FIFO might have been + * overflowed by a large that we just send. Therefore we attempt to read + * back all the data we send or until the FIFO runs empty in case it + * overflowed and data was truncated. */ + if (unlikely(sioSynchronizeTXEnd(serial_driver, TIME_MS2I(SERIAL_USART_TIMEOUT)) < MSG_OK)) { + return false; + } + + osalSysLock(); + while (bytes_left > 0 && !sioIsRXEmptyX(serial_driver)) { + (void)sioGetX(serial_driver); + bytes_left--; + } + osalSysUnlock(); +# endif } #endif return success; } -/** - * @brief Blocking receive of size * bytes with timeout. - * - * @return true Receive success. - * @return false Receive failed. - */ -static inline bool receive(uint8_t* destination, const size_t size) { - bool success = (size_t)sdReadTimeout(serial_driver, destination, size, TIME_MS2I(SERIAL_USART_TIMEOUT)) == size; +inline bool serial_transport_receive(uint8_t* destination, const size_t size) { + bool success = (size_t)chnReadTimeout(serial_driver, destination, size, TIME_MS2I(SERIAL_USART_TIMEOUT)) == size; + return success; +} + +inline bool serial_transport_receive_blocking(uint8_t* destination, const size_t size) { + bool success = (size_t)chnRead(serial_driver, destination, size) == size; return success; } @@ -146,7 +199,7 @@ __attribute__((weak)) void usart_init(void) { /** * @brief Overridable master specific initializations. */ -__attribute__((weak, nonnull)) void usart_master_init(SerialDriver** driver) { +__attribute__((weak, nonnull)) void usart_master_init(QMKSerialDriver** driver) { (void)driver; usart_init(); } @@ -154,161 +207,22 @@ __attribute__((weak, nonnull)) void usart_master_init(SerialDriver** driver) { /** * @brief Overridable slave specific initializations. */ -__attribute__((weak, nonnull)) void usart_slave_init(SerialDriver** driver) { +__attribute__((weak, nonnull)) void usart_slave_init(QMKSerialDriver** driver) { (void)driver; usart_init(); } -/** - * @brief This thread runs on the slave and responds to transactions initiated - * by the master. - */ -static THD_WORKING_AREA(waSlaveThread, 1024); -static THD_FUNCTION(SlaveThread, arg) { - (void)arg; - chRegSetThreadName("usart_tx_rx"); - - while (true) { - if (!react_to_transactions()) { - /* Clear the receive queue, to start with a clean slate. - * Parts of failed transactions or spurious bytes could still be in it. */ - usart_clear(); - } - split_shared_memory_unlock(); - } -} - -/** - * @brief Slave specific initializations. - */ -void soft_serial_target_init(void) { +void serial_transport_driver_slave_init(void) { usart_slave_init(&serial_driver); - - sdStart(serial_driver, &serial_config); - - /* Start transport thread. */ - chThdCreateStatic(waSlaveThread, sizeof(waSlaveThread), HIGHPRIO, SlaveThread, NULL); + usart_driver_start(); } -/** - * @brief React to transactions started by the master. - */ -static inline bool react_to_transactions(void) { - /* Wait until there is a transaction for us. */ - uint8_t sstd_index = (uint8_t)sdGet(serial_driver); - - /* Sanity check that we are actually responding to a valid transaction. */ - if (sstd_index >= NUM_TOTAL_TRANSACTIONS) { - return false; - } - - split_shared_memory_lock(); - split_transaction_desc_t* trans = &split_transaction_table[sstd_index]; - - /* Send back the handshake which is XORed as a simple checksum, - to signal that the slave is ready to receive possible transaction buffers */ - sstd_index ^= HANDSHAKE_MAGIC; - if (!send(&sstd_index, sizeof(sstd_index))) { - return false; - } - - /* Receive transaction buffer from the master. If this transaction requires it.*/ - if (trans->initiator2target_buffer_size) { - if (!receive(split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size)) { - return false; - } - } - - /* Allow any slave processing to occur. */ - if (trans->slave_callback) { - trans->slave_callback(trans->initiator2target_buffer_size, split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size, split_trans_target2initiator_buffer(trans)); - } - - /* Send transaction buffer to the master. If this transaction requires it. */ - if (trans->target2initiator_buffer_size) { - if (!send(split_trans_target2initiator_buffer(trans), trans->target2initiator_buffer_size)) { - return false; - } - } - - return true; -} - -/** - * @brief Master specific initializations. - */ -void soft_serial_initiator_init(void) { +void serial_transport_driver_master_init(void) { usart_master_init(&serial_driver); #if defined(MCU_STM32) && defined(SERIAL_USART_PIN_SWAP) serial_config.cr2 |= USART_CR2_SWAP; // master has swapped TX/RX pins #endif - sdStart(serial_driver, &serial_config); -} - -/** - * @brief Start transaction from the master half to the slave half. - * - * @param index Transaction Table index of the transaction to start. - * @return bool Indicates success of transaction. - */ -bool soft_serial_transaction(int index) { - /* Clear the receive queue, to start with a clean slate. - * Parts of failed transactions or spurious bytes could still be in it. */ - usart_clear(); - - split_shared_memory_lock(); - bool result = initiate_transaction((uint8_t)index); - split_shared_memory_unlock(); - - return result; -} - -/** - * @brief Initiate transaction to slave half. - */ -static inline bool initiate_transaction(uint8_t sstd_index) { - /* Sanity check that we are actually starting a valid transaction. */ - if (sstd_index >= NUM_TOTAL_TRANSACTIONS) { - dprintln("USART: Illegal transaction Id."); - return false; - } - - split_transaction_desc_t* trans = &split_transaction_table[sstd_index]; - - /* Send transaction table index to the slave, which doubles as basic handshake token. */ - if (!send(&sstd_index, sizeof(sstd_index))) { - dprintln("USART: Send Handshake failed."); - return false; - } - - uint8_t sstd_index_shake = 0xFF; - - /* Which we always read back first so that we can error out correctly. - * - due to the half duplex limitations on return codes, we always have to read *something*. - * - without the read, write only transactions *always* succeed, even during the boot process where the slave is not ready. - */ - if (!receive(&sstd_index_shake, sizeof(sstd_index_shake)) || (sstd_index_shake != (sstd_index ^ HANDSHAKE_MAGIC))) { - dprintln("USART: Handshake failed."); - return false; - } - - /* Send transaction buffer to the slave. If this transaction requires it. */ - if (trans->initiator2target_buffer_size) { - if (!send(split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size)) { - dprintln("USART: Send failed."); - return false; - } - } - - /* Receive transaction buffer from the slave. If this transaction requires it. */ - if (trans->target2initiator_buffer_size) { - if (!receive(split_trans_target2initiator_buffer(trans), trans->target2initiator_buffer_size)) { - dprintln("USART: Receive failed."); - return false; - } - } - - return true; + usart_driver_start(); } diff --git a/platforms/chibios/drivers/serial_usart.h b/platforms/chibios/drivers/serial_usart.h index 81fe9e0113..fa062cd736 100644 --- a/platforms/chibios/drivers/serial_usart.h +++ b/platforms/chibios/drivers/serial_usart.h @@ -1,42 +1,12 @@ -/* Copyright 2021 QMK - * - * This program 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. - * - * This program 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/>. - */ +// Copyright 2021 QMK +// SPDX-License-Identifier: GPL-2.0-or-later #pragma once #include "quantum.h" #include "serial.h" -#include "printf.h" - -#include <ch.h> #include <hal.h> -#if !defined(SERIAL_USART_DRIVER) -# define SERIAL_USART_DRIVER SD1 -#endif - -#if !defined(USE_GPIOV1) -/* The default PAL alternate modes are used to signal that the pins are used for USART. */ -# if !defined(SERIAL_USART_TX_PAL_MODE) -# define SERIAL_USART_TX_PAL_MODE 7 -# endif -# if !defined(SERIAL_USART_RX_PAL_MODE) -# define SERIAL_USART_RX_PAL_MODE 7 -# endif -#endif - #if defined(SOFT_SERIAL_PIN) # define SERIAL_USART_TX_PIN SOFT_SERIAL_PIN #endif @@ -49,6 +19,62 @@ # define SERIAL_USART_RX_PIN A10 #endif +#if !defined(SELECT_SOFT_SERIAL_SPEED) +# define SELECT_SOFT_SERIAL_SPEED 1 +#endif + +#if defined(SERIAL_USART_SPEED) +// Allow advanced users to directly set SERIAL_USART_SPEED +#elif SELECT_SOFT_SERIAL_SPEED == 0 +# define SERIAL_USART_SPEED 460800 +#elif SELECT_SOFT_SERIAL_SPEED == 1 +# define SERIAL_USART_SPEED 230400 +#elif SELECT_SOFT_SERIAL_SPEED == 2 +# define SERIAL_USART_SPEED 115200 +#elif SELECT_SOFT_SERIAL_SPEED == 3 +# define SERIAL_USART_SPEED 57600 +#elif SELECT_SOFT_SERIAL_SPEED == 4 +# define SERIAL_USART_SPEED 38400 +#elif SELECT_SOFT_SERIAL_SPEED == 5 +# define SERIAL_USART_SPEED 19200 +#else +# error invalid SELECT_SOFT_SERIAL_SPEED value +#endif + +#if !defined(SERIAL_USART_TIMEOUT) +# define SERIAL_USART_TIMEOUT 20 +#endif + +#if HAL_USE_SERIAL + +typedef SerialDriver QMKSerialDriver; +typedef SerialConfig QMKSerialConfig; + +# if !defined(SERIAL_USART_DRIVER) +# define SERIAL_USART_DRIVER SD1 +# endif + +#elif HAL_USE_SIO + +typedef SIODriver QMKSerialDriver; +typedef SIOConfig QMKSerialConfig; + +# if !defined(SERIAL_USART_DRIVER) +# define SERIAL_USART_DRIVER SIOD1 +# endif + +#endif + +#if !defined(USE_GPIOV1) +/* The default PAL alternate modes are used to signal that the pins are used for USART. */ +# if !defined(SERIAL_USART_TX_PAL_MODE) +# define SERIAL_USART_TX_PAL_MODE 7 +# endif +# if !defined(SERIAL_USART_RX_PAL_MODE) +# define SERIAL_USART_RX_PAL_MODE 7 +# endif +#endif + #if !defined(USART_CR1_M0) # define USART_CR1_M0 USART_CR1_M // some platforms (f1xx) dont have this so #endif @@ -86,31 +112,3 @@ (AFIO->MAPR |= AFIO_MAPR_USART3_REMAP_FULLREMAP); \ } while (0) #endif - -#if !defined(SELECT_SOFT_SERIAL_SPEED) -# define SELECT_SOFT_SERIAL_SPEED 1 -#endif - -#if defined(SERIAL_USART_SPEED) -// Allow advanced users to directly set SERIAL_USART_SPEED -#elif SELECT_SOFT_SERIAL_SPEED == 0 -# define SERIAL_USART_SPEED 460800 -#elif SELECT_SOFT_SERIAL_SPEED == 1 -# define SERIAL_USART_SPEED 230400 -#elif SELECT_SOFT_SERIAL_SPEED == 2 -# define SERIAL_USART_SPEED 115200 -#elif SELECT_SOFT_SERIAL_SPEED == 3 -# define SERIAL_USART_SPEED 57600 -#elif SELECT_SOFT_SERIAL_SPEED == 4 -# define SERIAL_USART_SPEED 38400 -#elif SELECT_SOFT_SERIAL_SPEED == 5 -# define SERIAL_USART_SPEED 19200 -#else -# error invalid SELECT_SOFT_SERIAL_SPEED value -#endif - -#if !defined(SERIAL_USART_TIMEOUT) -# define SERIAL_USART_TIMEOUT 20 -#endif - -#define HANDSHAKE_MAGIC 7 diff --git a/platforms/chibios/flash.mk b/platforms/chibios/flash.mk index a91ef2cf35..86bbc22943 100644 --- a/platforms/chibios/flash.mk +++ b/platforms/chibios/flash.mk @@ -54,11 +54,11 @@ endef # TODO: Remove once ARM has a way to configure EECONFIG_HANDEDNESS # within the emulated eeprom via dfu-util or another tool -ifneq (,$(filter $(MAKECMDGOALS),dfu-util-split-left)) +ifneq (,$(filter $(MAKECMDGOALS), dfu-util-split-left uf2-split-left)) OPT_DEFS += -DINIT_EE_HANDS_LEFT endif -ifneq (,$(filter $(MAKECMDGOALS),dfu-util-split-right)) +ifneq (,$(filter $(MAKECMDGOALS), dfu-util-split-right uf2-split-right)) OPT_DEFS += -DINIT_EE_HANDS_RIGHT endif @@ -66,6 +66,10 @@ dfu-util-split-left: dfu-util dfu-util-split-right: dfu-util +uf2-split-left: flash + +uf2-split-right: flash + ST_LINK_CLI ?= st-link_cli ST_LINK_ARGS ?= diff --git a/platforms/synchronization_util.h b/platforms/synchronization_util.h index 3730f271db..59933945c3 100644 --- a/platforms/synchronization_util.h +++ b/platforms/synchronization_util.h @@ -9,6 +9,40 @@ void split_shared_memory_lock(void); void split_shared_memory_unlock(void); # endif #else +# if defined(SPLIT_KEYBOARD) inline void split_shared_memory_lock(void){}; inline void split_shared_memory_unlock(void){}; +# endif +#endif + +/* GCCs cleanup attribute expects a function with one parameter, which is a + * pointer to a type compatible with the variable. As we don't want to expose + * the platforms internal mutex type this workaround with auto generated adapter + * function is defined */ +#define QMK_DECLARE_AUTOUNLOCK_HELPERS(prefix) \ + inline unsigned prefix##_autounlock_lock_helper(void) { \ + prefix##_lock(); \ + return 0; \ + } \ + \ + inline void prefix##_autounlock_unlock_helper(unsigned* unused_guard) { \ + prefix##_unlock(); \ + } + +/* Convinience macro the automatically generate the correct RAII-style + * lock_autounlock function macro */ +#define QMK_DECLARE_AUTOUNLOCK_CALL(prefix) unsigned prefix##_guard __attribute__((unused, cleanup(prefix##_autounlock_unlock_helper))) = prefix##_autounlock_lock_helper + +#if defined(SPLIT_KEYBOARD) +QMK_DECLARE_AUTOUNLOCK_HELPERS(split_shared_memory) + +/** + * @brief Acquire exclusive access to the split keyboard shared memory, by + * calling the platforms `split_shared_memory_lock()` function. The lock is + * automatically released by calling the platforms `split_shared_memory_unlock()` + * function. This happens when the block where + * `split_shared_memory_lock_autounlock()` is called in goes out of scope i.e. + * when the enclosing function returns. + */ +# define split_shared_memory_lock_autounlock QMK_DECLARE_AUTOUNLOCK_CALL(split_shared_memory) #endif diff --git a/platforms/test/platform.mk b/platforms/test/platform.mk index eb2424ec5c..f07c863e69 100644 --- a/platforms/test/platform.mk +++ b/platforms/test/platform.mk @@ -31,4 +31,4 @@ CFLAGS += -fno-strict-aliasing CXXFLAGS += $(COMPILEFLAGS) CXXFLAGS += -fno-exceptions -CXXFLAGS += -std=gnu++11 +CXXFLAGS += $(CXXSTANDARD) diff --git a/platforms/test/rules.mk b/platforms/test/rules.mk index 55512c7392..a2baa283d0 100644 --- a/platforms/test/rules.mk +++ b/platforms/test/rules.mk @@ -11,7 +11,8 @@ eeprom_stm32_large_DEFS := $(eeprom_stm32_DEFS) \ -DFEE_PAGE_COUNT=16 eeprom_stm32_INC := \ - $(PLATFORM_PATH)/chibios/ + $(PLATFORM_PATH)/chibios/drivers/eeprom/ \ + $(PLATFORM_PATH)/chibios/drivers/flash/ eeprom_stm32_tiny_INC := $(eeprom_stm32_INC) eeprom_stm32_large_INC := $(eeprom_stm32_INC) @@ -19,6 +20,6 @@ eeprom_stm32_SRC := \ $(TOP_DIR)/drivers/eeprom/eeprom_driver.c \ $(PLATFORM_PATH)/$(PLATFORM_KEY)/eeprom_stm32_tests.cpp \ $(PLATFORM_PATH)/$(PLATFORM_KEY)/flash_stm32_mock.c \ - $(PLATFORM_PATH)/chibios/eeprom_stm32.c + $(PLATFORM_PATH)/chibios/drivers/eeprom/eeprom_stm32.c eeprom_stm32_tiny_SRC := $(eeprom_stm32_SRC) eeprom_stm32_large_SRC := $(eeprom_stm32_SRC) |