diff options
Diffstat (limited to 'platforms/chibios')
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F401xC.ld | 87 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F401xC_tinyuf2.ld | 90 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F401xE.ld | 87 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F401xE_tinyuf2.ld | 90 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F411xC.ld | 10 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F411xC_tinyuf2.ld | 91 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F411xE.ld | 87 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F411xE_tinyuf2.ld | 91 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/stm32f4xx_common.ld | 83 | ||||
| -rw-r--r-- | platforms/chibios/boards/common/ld/stm32f4xx_tinyuf2_common.ld | 90 | ||||
| -rw-r--r-- | platforms/chibios/drivers/spi_master.c | 96 | ||||
| -rw-r--r-- | platforms/chibios/drivers/spi_master.h | 9 |
12 files changed, 292 insertions, 619 deletions
diff --git a/platforms/chibios/boards/common/ld/STM32F401xC.ld b/platforms/chibios/boards/common/ld/STM32F401xC.ld index 8fae66cec9..8bc1cda09c 100644 --- a/platforms/chibios/boards/common/ld/STM32F401xC.ld +++ b/platforms/chibios/boards/common/ld/STM32F401xC.ld @@ -1,85 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F401xC memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000, len = 16k /* Sector 0 - Init code as ROM bootloader assumes application starts here */ - flash1 (rx) : org = 0x08004000, len = 16k /* Sector 1 - Emulated eeprom */ - flash2 (rx) : org = 0x08008000, len = 256k - 32k /* Sector 2..6 - Rest of firmware */ - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 64k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash2); -REGION_ALIAS("XTORS_FLASH_LMA", flash2); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash2); -REGION_ALIAS("TEXT_FLASH_LMA", flash2); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash2); -REGION_ALIAS("RODATA_FLASH_LMA", flash2); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash2); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash2); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash2); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash2); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); +f4xx_flash_size = 256k; +f4xx_ram_size = 64k; -/* Generic rules inclusion.*/ -INCLUDE rules.ld +INCLUDE stm32f4xx_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F401xC_tinyuf2.ld b/platforms/chibios/boards/common/ld/STM32F401xC_tinyuf2.ld index f4e487dc8f..9e0306bde8 100644 --- a/platforms/chibios/boards/common/ld/STM32F401xC_tinyuf2.ld +++ b/platforms/chibios/boards/common/ld/STM32F401xC_tinyuf2.ld @@ -1,88 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F401xC memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000 + 64k, len = 256k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ - flash1 (rx) : org = 0x00000000, len = 0 - flash2 (rx) : org = 0x00000000, len = 0 - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 64k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash0); -REGION_ALIAS("XTORS_FLASH_LMA", flash0); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash0); -REGION_ALIAS("TEXT_FLASH_LMA", flash0); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash0); -REGION_ALIAS("RODATA_FLASH_LMA", flash0); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash0); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash0); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash0); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); - -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); -/* Generic rules inclusion.*/ -INCLUDE rules.ld +f4xx_flash_size = 256k; +f4xx_ram_size = 64k; -/* TinyUF2 bootloader reset support */ -_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ +INCLUDE stm32f4xx_tinyuf2_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F401xE.ld b/platforms/chibios/boards/common/ld/STM32F401xE.ld index 69af7ed71e..3c2a93bd30 100644 --- a/platforms/chibios/boards/common/ld/STM32F401xE.ld +++ b/platforms/chibios/boards/common/ld/STM32F401xE.ld @@ -1,85 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F401xE memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000, len = 16k /* Sector 0 - Init code as ROM bootloader assumes application starts here */ - flash1 (rx) : org = 0x08004000, len = 16k /* Sector 1 - Emulated eeprom */ - flash2 (rx) : org = 0x08008000, len = 512k - 32k /* Sector 2..7 - Rest of firmware */ - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 96k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash2); -REGION_ALIAS("XTORS_FLASH_LMA", flash2); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash2); -REGION_ALIAS("TEXT_FLASH_LMA", flash2); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash2); -REGION_ALIAS("RODATA_FLASH_LMA", flash2); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash2); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash2); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash2); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash2); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); +f4xx_flash_size = 512k; +f4xx_ram_size = 96k; -/* Generic rules inclusion.*/ -INCLUDE rules.ld +INCLUDE stm32f4xx_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F401xE_tinyuf2.ld b/platforms/chibios/boards/common/ld/STM32F401xE_tinyuf2.ld index 895d13fa32..a7fa419cfb 100644 --- a/platforms/chibios/boards/common/ld/STM32F401xE_tinyuf2.ld +++ b/platforms/chibios/boards/common/ld/STM32F401xE_tinyuf2.ld @@ -1,88 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F401xE memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000 + 64k, len = 512k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ - flash1 (rx) : org = 0x00000000, len = 0 - flash2 (rx) : org = 0x00000000, len = 0 - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 96k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash0); -REGION_ALIAS("XTORS_FLASH_LMA", flash0); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash0); -REGION_ALIAS("TEXT_FLASH_LMA", flash0); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash0); -REGION_ALIAS("RODATA_FLASH_LMA", flash0); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash0); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash0); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash0); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); - -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); -/* Generic rules inclusion.*/ -INCLUDE rules.ld +f4xx_flash_size = 512k; +f4xx_ram_size = 96k; -/* TinyUF2 bootloader reset support */ -_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ +INCLUDE stm32f4xx_tinyuf2_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F411xC.ld b/platforms/chibios/boards/common/ld/STM32F411xC.ld new file mode 100644 index 0000000000..7827c9c7d2 --- /dev/null +++ b/platforms/chibios/boards/common/ld/STM32F411xC.ld @@ -0,0 +1,10 @@ +/* + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +f4xx_flash_size = 256k; +f4xx_ram_size = 128k; + +INCLUDE stm32f4xx_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F411xC_tinyuf2.ld b/platforms/chibios/boards/common/ld/STM32F411xC_tinyuf2.ld index 82253d3de5..0367b49f8f 100644 --- a/platforms/chibios/boards/common/ld/STM32F411xC_tinyuf2.ld +++ b/platforms/chibios/boards/common/ld/STM32F411xC_tinyuf2.ld @@ -1,89 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F411xC memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000 + 64k, len = 256k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ - flash1 (rx) : org = 0x00000000, len = 0 - flash2 (rx) : org = 0x00000000, len = 0 - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 128k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash0); -REGION_ALIAS("XTORS_FLASH_LMA", flash0); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash0); -REGION_ALIAS("TEXT_FLASH_LMA", flash0); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash0); -REGION_ALIAS("RODATA_FLASH_LMA", flash0); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash0); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash0); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash0); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); - -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); - -/* Generic rules inclusion.*/ -INCLUDE rules.ld -/* TinyUF2 bootloader reset support */ -_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ +f4xx_flash_size = 256k; +f4xx_ram_size = 128k; +INCLUDE stm32f4xx_tinyuf2_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F411xE.ld b/platforms/chibios/boards/common/ld/STM32F411xE.ld index aea8084b51..c621ede53a 100644 --- a/platforms/chibios/boards/common/ld/STM32F411xE.ld +++ b/platforms/chibios/boards/common/ld/STM32F411xE.ld @@ -1,85 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F411xE memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000, len = 16k /* Sector 0 - Init code as ROM bootloader assumes application starts here */ - flash1 (rx) : org = 0x08004000, len = 16k /* Sector 1 - Emulated eeprom */ - flash2 (rx) : org = 0x08008000, len = 512k - 32k /* Sector 2..7 - Rest of firmware */ - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 128k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash2); -REGION_ALIAS("XTORS_FLASH_LMA", flash2); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash2); -REGION_ALIAS("TEXT_FLASH_LMA", flash2); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash2); -REGION_ALIAS("RODATA_FLASH_LMA", flash2); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash2); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash2); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash2); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash2); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); +f4xx_flash_size = 512k; +f4xx_ram_size = 128k; -/* Generic rules inclusion.*/ -INCLUDE rules.ld +INCLUDE stm32f4xx_common.ld diff --git a/platforms/chibios/boards/common/ld/STM32F411xE_tinyuf2.ld b/platforms/chibios/boards/common/ld/STM32F411xE_tinyuf2.ld index 1656c67bf7..d982f7fb8f 100644 --- a/platforms/chibios/boards/common/ld/STM32F411xE_tinyuf2.ld +++ b/platforms/chibios/boards/common/ld/STM32F411xE_tinyuf2.ld @@ -1,89 +1,10 @@ /* - ChibiOS - Copyright (C) 2006..2018 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. -*/ - -/* - * STM32F411xE memory setup. + * Copyright 2006..2018 Giovanni Di Sirio + * Copyright 2022 QMK contributors + * SPDX-License-Identifier: GPL-2.0-or-later */ -MEMORY -{ - flash0 (rx) : org = 0x08000000 + 64k, len = 512k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ - flash1 (rx) : org = 0x00000000, len = 0 - flash2 (rx) : org = 0x00000000, len = 0 - flash3 (rx) : org = 0x00000000, len = 0 - flash4 (rx) : org = 0x00000000, len = 0 - flash5 (rx) : org = 0x00000000, len = 0 - flash6 (rx) : org = 0x00000000, len = 0 - flash7 (rx) : org = 0x00000000, len = 0 - ram0 (wx) : org = 0x20000000, len = 128k - ram1 (wx) : org = 0x00000000, len = 0 - ram2 (wx) : org = 0x00000000, len = 0 - ram3 (wx) : org = 0x00000000, len = 0 - ram4 (wx) : org = 0x00000000, len = 0 - ram5 (wx) : org = 0x00000000, len = 0 - ram6 (wx) : org = 0x00000000, len = 0 - ram7 (wx) : org = 0x00000000, len = 0 -} - -/* For each data/text section two region are defined, a virtual region - and a load region (_LMA suffix).*/ - -/* Flash region to be used for exception vectors.*/ -REGION_ALIAS("VECTORS_FLASH", flash0); -REGION_ALIAS("VECTORS_FLASH_LMA", flash0); - -/* Flash region to be used for constructors and destructors.*/ -REGION_ALIAS("XTORS_FLASH", flash0); -REGION_ALIAS("XTORS_FLASH_LMA", flash0); - -/* Flash region to be used for code text.*/ -REGION_ALIAS("TEXT_FLASH", flash0); -REGION_ALIAS("TEXT_FLASH_LMA", flash0); - -/* Flash region to be used for read only data.*/ -REGION_ALIAS("RODATA_FLASH", flash0); -REGION_ALIAS("RODATA_FLASH_LMA", flash0); - -/* Flash region to be used for various.*/ -REGION_ALIAS("VARIOUS_FLASH", flash0); -REGION_ALIAS("VARIOUS_FLASH_LMA", flash0); - -/* Flash region to be used for RAM(n) initialization data.*/ -REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0); - -/* RAM region to be used for Main stack. This stack accommodates the processing - of all exceptions and interrupts.*/ -REGION_ALIAS("MAIN_STACK_RAM", ram0); - -/* RAM region to be used for the process stack. This is the stack used by - the main() function.*/ -REGION_ALIAS("PROCESS_STACK_RAM", ram0); - -/* RAM region to be used for data segment.*/ -REGION_ALIAS("DATA_RAM", ram0); -REGION_ALIAS("DATA_RAM_LMA", flash0); - -/* RAM region to be used for BSS segment.*/ -REGION_ALIAS("BSS_RAM", ram0); - -/* RAM region to be used for the default heap.*/ -REGION_ALIAS("HEAP_RAM", ram0); - -/* Generic rules inclusion.*/ -INCLUDE rules.ld -/* TinyUF2 bootloader reset support */ -_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ +f4xx_flash_size = 512k; +f4xx_ram_size = 128k; +INCLUDE stm32f4xx_tinyuf2_common.ld diff --git a/platforms/chibios/boards/common/ld/stm32f4xx_common.ld b/platforms/chibios/boards/common/ld/stm32f4xx_common.ld new file mode 100644 index 0000000000..1ddf7e96bc --- /dev/null +++ b/platforms/chibios/boards/common/ld/stm32f4xx_common.ld @@ -0,0 +1,83 @@ +/* + ChibiOS - Copyright (C) 2006..2018 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. +*/ + +MEMORY +{ + flash0 (rx) : org = 0x08000000, len = 16k /* Sector 0 - Init code as ROM bootloader assumes application starts here */ + flash1 (rx) : org = 0x08004000, len = 16k /* Sector 1 - Emulated eeprom */ + flash2 (rx) : org = 0x08008000, len = f4xx_flash_size - 32k /* Sector 2..6 - Rest of firmware */ + flash3 (rx) : org = 0x00000000, len = 0 + flash4 (rx) : org = 0x00000000, len = 0 + flash5 (rx) : org = 0x00000000, len = 0 + flash6 (rx) : org = 0x00000000, len = 0 + flash7 (rx) : org = 0x00000000, len = 0 + ram0 (wx) : org = 0x20000000, len = f4xx_ram_size + ram1 (wx) : org = 0x00000000, len = 0 + ram2 (wx) : org = 0x00000000, len = 0 + ram3 (wx) : org = 0x00000000, len = 0 + ram4 (wx) : org = 0x00000000, len = 0 + ram5 (wx) : org = 0x00000000, len = 0 + ram6 (wx) : org = 0x00000000, len = 0 + ram7 (wx) : org = 0x00000000, len = 0 +} + +/* For each data/text section two region are defined, a virtual region + and a load region (_LMA suffix).*/ + +/* Flash region to be used for exception vectors.*/ +REGION_ALIAS("VECTORS_FLASH", flash0); +REGION_ALIAS("VECTORS_FLASH_LMA", flash0); + +/* Flash region to be used for constructors and destructors.*/ +REGION_ALIAS("XTORS_FLASH", flash2); +REGION_ALIAS("XTORS_FLASH_LMA", flash2); + +/* Flash region to be used for code text.*/ +REGION_ALIAS("TEXT_FLASH", flash2); +REGION_ALIAS("TEXT_FLASH_LMA", flash2); + +/* Flash region to be used for read only data.*/ +REGION_ALIAS("RODATA_FLASH", flash2); +REGION_ALIAS("RODATA_FLASH_LMA", flash2); + +/* Flash region to be used for various.*/ +REGION_ALIAS("VARIOUS_FLASH", flash2); +REGION_ALIAS("VARIOUS_FLASH_LMA", flash2); + +/* Flash region to be used for RAM(n) initialization data.*/ +REGION_ALIAS("RAM_INIT_FLASH_LMA", flash2); + +/* RAM region to be used for Main stack. This stack accommodates the processing + of all exceptions and interrupts.*/ +REGION_ALIAS("MAIN_STACK_RAM", ram0); + +/* RAM region to be used for the process stack. This is the stack used by + the main() function.*/ +REGION_ALIAS("PROCESS_STACK_RAM", ram0); + +/* RAM region to be used for data segment.*/ +REGION_ALIAS("DATA_RAM", ram0); +REGION_ALIAS("DATA_RAM_LMA", flash2); + +/* RAM region to be used for BSS segment.*/ +REGION_ALIAS("BSS_RAM", ram0); + +/* RAM region to be used for the default heap.*/ +REGION_ALIAS("HEAP_RAM", ram0); + +/* Generic rules inclusion.*/ +INCLUDE rules.ld + diff --git a/platforms/chibios/boards/common/ld/stm32f4xx_tinyuf2_common.ld b/platforms/chibios/boards/common/ld/stm32f4xx_tinyuf2_common.ld new file mode 100644 index 0000000000..ab03a9e683 --- /dev/null +++ b/platforms/chibios/boards/common/ld/stm32f4xx_tinyuf2_common.ld @@ -0,0 +1,90 @@ +/* + ChibiOS - Copyright (C) 2006..2018 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. +*/ + +/* + * STM32F411xE memory setup. + */ +MEMORY +{ + flash0 (rx) : org = 0x08000000 + 64k, len = f4xx_flash_size - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ + flash1 (rx) : org = 0x00000000, len = 0 + flash2 (rx) : org = 0x00000000, len = 0 + flash3 (rx) : org = 0x00000000, len = 0 + flash4 (rx) : org = 0x00000000, len = 0 + flash5 (rx) : org = 0x00000000, len = 0 + flash6 (rx) : org = 0x00000000, len = 0 + flash7 (rx) : org = 0x00000000, len = 0 + ram0 (wx) : org = 0x20000000, len = f4xx_ram_size + ram1 (wx) : org = 0x00000000, len = 0 + ram2 (wx) : org = 0x00000000, len = 0 + ram3 (wx) : org = 0x00000000, len = 0 + ram4 (wx) : org = 0x00000000, len = 0 + ram5 (wx) : org = 0x00000000, len = 0 + ram6 (wx) : org = 0x00000000, len = 0 + ram7 (wx) : org = 0x00000000, len = 0 +} + +/* For each data/text section two region are defined, a virtual region + and a load region (_LMA suffix).*/ + +/* Flash region to be used for exception vectors.*/ +REGION_ALIAS("VECTORS_FLASH", flash0); +REGION_ALIAS("VECTORS_FLASH_LMA", flash0); + +/* Flash region to be used for constructors and destructors.*/ +REGION_ALIAS("XTORS_FLASH", flash0); +REGION_ALIAS("XTORS_FLASH_LMA", flash0); + +/* Flash region to be used for code text.*/ +REGION_ALIAS("TEXT_FLASH", flash0); +REGION_ALIAS("TEXT_FLASH_LMA", flash0); + +/* Flash region to be used for read only data.*/ +REGION_ALIAS("RODATA_FLASH", flash0); +REGION_ALIAS("RODATA_FLASH_LMA", flash0); + +/* Flash region to be used for various.*/ +REGION_ALIAS("VARIOUS_FLASH", flash0); +REGION_ALIAS("VARIOUS_FLASH_LMA", flash0); + +/* Flash region to be used for RAM(n) initialization data.*/ +REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0); + +/* RAM region to be used for Main stack. This stack accommodates the processing + of all exceptions and interrupts.*/ +REGION_ALIAS("MAIN_STACK_RAM", ram0); + +/* RAM region to be used for the process stack. This is the stack used by + the main() function.*/ +REGION_ALIAS("PROCESS_STACK_RAM", ram0); + +/* RAM region to be used for data segment.*/ +REGION_ALIAS("DATA_RAM", ram0); +REGION_ALIAS("DATA_RAM_LMA", flash0); + +/* RAM region to be used for BSS segment.*/ +REGION_ALIAS("BSS_RAM", ram0); + +/* RAM region to be used for the default heap.*/ +REGION_ALIAS("HEAP_RAM", ram0); + +/* Generic rules inclusion.*/ +INCLUDE rules.ld + +/* TinyUF2 bootloader reset support */ +_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ + + diff --git a/platforms/chibios/drivers/spi_master.c b/platforms/chibios/drivers/spi_master.c index fcdbc9ecf0..cbe765e233 100644 --- a/platforms/chibios/drivers/spi_master.c +++ b/platforms/chibios/drivers/spi_master.c @@ -19,13 +19,33 @@ #include "timer.h" static bool spiStarted = false; - #if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE -static pin_t currentSlavePin; +static pin_t current_slave_pin = NO_PIN; +static bool current_cs_active_low = true; #endif static SPIConfig spiConfig; +static inline void spi_select(void) { + spiSelect(&SPI_DRIVER); + +#if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE + if (current_slave_pin != NO_PIN) { + gpio_write_pin(current_slave_pin, current_cs_active_low ? 0 : 1); + } +#endif +} + +static inline void spi_unselect(void) { +#if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE + if (current_slave_pin != NO_PIN) { + gpio_write_pin(current_slave_pin, current_cs_active_low ? 1 : 0); + } +#endif + + spiUnselect(&SPI_DRIVER); +} + __attribute__((weak)) void spi_init(void) { static bool is_initialised = false; if (!is_initialised) { @@ -63,7 +83,7 @@ __attribute__((weak)) void spi_init(void) { } } -bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { +bool spi_start_extended(spi_start_config_t *start_config) { #if (SPI_USE_MUTUAL_EXCLUSION == TRUE) spiAcquireBus(&SPI_DRIVER); #endif // (SPI_USE_MUTUAL_EXCLUSION == TRUE) @@ -71,16 +91,15 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { if (spiStarted) { return false; } - #if SPI_SELECT_MODE != SPI_SELECT_MODE_NONE - if (slavePin == NO_PIN) { + if (start_config->slave_pin == NO_PIN) { return false; } #endif #if !(defined(WB32F3G71xx) || defined(WB32FQ95xx)) uint16_t roundedDivisor = 2; - while (roundedDivisor < divisor) { + while (roundedDivisor < start_config->divisor) { roundedDivisor <<= 1; } @@ -92,11 +111,11 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { #if defined(K20x) || defined(KL2x) spiConfig.tar0 = SPIx_CTARn_FMSZ(7) | SPIx_CTARn_ASC(1); - if (lsbFirst) { + if (start_config->lsb_first) { spiConfig.tar0 |= SPIx_CTARn_LSBFE; } - switch (mode) { + switch (start_config->mode) { case 0: break; case 1: @@ -141,11 +160,11 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { spiConfig.cr0 = SPI_CR0_SELOEN; spiConfig.cr1 = SPI_CR1_MODE | 8; // 8 bits and in master mode - if (lsbFirst) { + if (start_config->lsb_first) { spiConfig.cr1 |= SPI_CR1_FIRSTBIT; } - switch (mode) { + switch (start_config->mode) { case 0: spiConfig.cr1 |= SPI_CR1_FORMAT_MODE0; break; @@ -163,17 +182,17 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { spiConfig.cpr = (roundedDivisor - 1) >> 1; #elif defined(WB32F3G71xx) || defined(WB32FQ95xx) - if (!lsbFirst) { - osalDbgAssert(lsbFirst != FALSE, "unsupported lsbFirst"); + if (!start_config->lsb_first) { + osalDbgAssert(start_config->lsb_first != FALSE, "unsupported lsb_first"); } - if (divisor < 1) { + if (start_config->divisor < 1) { return false; } - spiConfig.SPI_BaudRatePrescaler = (divisor << 2); + spiConfig.SPI_BaudRatePrescaler = (start_config->divisor << 2); - switch (mode) { + switch (start_config->mode) { case 0: spiConfig.SPI_CPHA = SPI_CPHA_1Edge; spiConfig.SPI_CPOL = SPI_CPOL_Low; @@ -192,8 +211,8 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { break; } #elif defined(MCU_RP) - if (lsbFirst) { - osalDbgAssert(lsbFirst == false, "RP2040s PrimeCell SPI implementation does not support sending LSB first."); + if (start_config->lsb_first) { + osalDbgAssert(start_config->lsb_first == false, "RP2040s PrimeCell SPI implementation does not support sending LSB first."); } // Motorola frame format and 8bit transfer data size. @@ -203,7 +222,7 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { // passed divisor to be the only value to divide the input clock by. spiConfig.SSPCPSR = roundedDivisor; // Even number from 2 to 254 - switch (mode) { + switch (start_config->mode) { case 0: spiConfig.SSPCR0 &= ~SPI_SSPCR0_SPO; // Clock polarity: low spiConfig.SSPCR0 &= ~SPI_SSPCR0_SPH; // Clock phase: sample on first edge @@ -224,11 +243,11 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { #else spiConfig.cr1 = 0; - if (lsbFirst) { + if (start_config->lsb_first) { spiConfig.cr1 |= SPI_CR1_LSBFIRST; } - switch (mode) { + switch (start_config->mode) { case 0: break; case 1: @@ -271,31 +290,37 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { spiStarted = true; #if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE - currentSlavePin = slavePin; + current_slave_pin = start_config->slave_pin; + current_cs_active_low = start_config->cs_active_low; #endif #if SPI_SELECT_MODE == SPI_SELECT_MODE_PAD - spiConfig.ssport = PAL_PORT(slavePin); - spiConfig.sspad = PAL_PAD(slavePin); - gpio_set_pin_output(slavePin); + spiConfig.ssport = PAL_PORT(start_config->slave_pin); + spiConfig.sspad = PAL_PAD(start_config->slave_pin); + gpio_set_pin_output(start_config->slave_pin); #elif SPI_SELECT_MODE == SPI_SELECT_MODE_NONE - if (slavePin != NO_PIN) { - gpio_set_pin_output(slavePin); + if (start_config->slave_pin != NO_PIN) { + gpio_set_pin_output(start_config->slave_pin); } #else # error "Unsupported SPI_SELECT_MODE" #endif spiStart(&SPI_DRIVER, &spiConfig); - spiSelect(&SPI_DRIVER); -#if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE - if (slavePin != NO_PIN) { - gpio_write_pin_low(slavePin); - } -#endif + spi_select(); return true; } +bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { + spi_start_config_t start_config = {0}; + start_config.slave_pin = slavePin; + start_config.lsb_first = lsbFirst; + start_config.mode = mode; + start_config.divisor = divisor; + start_config.cs_active_low = true; + return spi_start_extended(&start_config); +} + spi_status_t spi_write(uint8_t data) { uint8_t rxData; spiExchange(&SPI_DRIVER, 1, &data, &rxData); @@ -322,12 +347,7 @@ spi_status_t spi_receive(uint8_t *data, uint16_t length) { void spi_stop(void) { if (spiStarted) { -#if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE - if (currentSlavePin != NO_PIN) { - gpio_write_pin_high(currentSlavePin); - } -#endif - spiUnselect(&SPI_DRIVER); + spi_unselect(); spiStop(&SPI_DRIVER); spiStarted = false; } diff --git a/platforms/chibios/drivers/spi_master.h b/platforms/chibios/drivers/spi_master.h index 6a3ce481f1..4ad6144091 100644 --- a/platforms/chibios/drivers/spi_master.h +++ b/platforms/chibios/drivers/spi_master.h @@ -75,9 +75,18 @@ typedef int16_t spi_status_t; #ifdef __cplusplus extern "C" { #endif +typedef struct spi_start_config_t { + pin_t slave_pin; + bool lsb_first; + uint8_t mode; + uint16_t divisor; + bool cs_active_low; +} spi_start_config_t; + void spi_init(void); bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor); +bool spi_start_extended(spi_start_config_t *start_config); spi_status_t spi_write(uint8_t data); |