STM32H723 support

data/schemas/keyboard.jsonschema

@@ -71,6 +71,8 @@
                 "STM32F446",
                 "STM32G431",
                 "STM32G474",
+                "STM32H723",
+                "STM32H733",
                 "STM32L412",
                 "STM32L422",
                 "STM32L432",

docs/compatible_microcontrollers.md

@@ -43,6 +43,8 @@ You can also use any ARM chip with USB that [ChibiOS](https://www.chibios.org) s
  * [STM32F446](https://www.st.com/en/microcontrollers-microprocessors/stm32f446.html)
  * [STM32G431](https://www.st.com/en/microcontrollers-microprocessors/stm32g4x1.html)
  * [STM32G474](https://www.st.com/en/microcontrollers-microprocessors/stm32g4x4.html)
+ * [STM32H723](https://www.st.com/en/microcontrollers-microprocessors/stm32h723-733.html)
+ * [STM32H733](https://www.st.com/en/microcontrollers-microprocessors/stm32h723-733.html)
  * [STM32L412](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)
  * [STM32L422](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)
  * [STM32L432](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)

keyboards/handwired/onekey/nucleo_h723zg/info.json

@@ -0,0 +1,19 @@
+{
+    "keyboard_name": "Onekey Nucleo H723ZG",
+    "processor": "STM32H723",
+    "bootloader": "stm32-dfu",
+    "matrix_pins": {
+        "cols": ["A9"],
+        "rows": ["A10"]
+    },
+    "backlight": {
+        "pin": "B8"
+    },
+    "ws2812": {
+        "pin": "A0"
+    },
+    "apa102": {
+        "data_pin": "A0",
+        "clock_pin": "B13"
+    }
+}

keyboards/handwired/onekey/nucleo_h723zg/readme.md

@@ -0,0 +1,5 @@
+# ST Microelectronics Nucleo144-H723 onekey
+
+Supported Hardware: <https://www.st.com/en/evaluation-tools/nucleo-h723zg.html>
+
+To trigger keypress, short together pins *A9* and *A10*.

lib/python/qmk/constants.py

@@ -14,7 +14,7 @@
 MAX_KEYBOARD_SUBFOLDERS = 5
 
 # Supported processor types
-CHIBIOS_PROCESSORS = 'cortex-m0', 'cortex-m0plus', 'cortex-m3', 'cortex-m4', 'MKL26Z64', 'MK20DX128', 'MK20DX256', 'MK64FX512', 'MK66FX1M0', 'RP2040', 'STM32F042', 'STM32F072', 'STM32F103', 'STM32F303', 'STM32F401', 'STM32F405', 'STM32F407', 'STM32F411', 'STM32F446', 'STM32G431', 'STM32G474', 'STM32L412', 'STM32L422', 'STM32L432', 'STM32L433', 'STM32L442', 'STM32L443', 'GD32VF103', 'WB32F3G71', 'WB32FQ95'
+CHIBIOS_PROCESSORS = 'cortex-m0', 'cortex-m0plus', 'cortex-m3', 'cortex-m4', 'MKL26Z64', 'MK20DX128', 'MK20DX256', 'MK64FX512', 'MK66FX1M0', 'RP2040', 'STM32F042', 'STM32F072', 'STM32F103', 'STM32F303', 'STM32F401', 'STM32F405', 'STM32F407', 'STM32F411', 'STM32F446', 'STM32G431', 'STM32G474', 'STM32H723', 'STM32H733', 'STM32L412', 'STM32L422', 'STM32L432', 'STM32L433', 'STM32L442', 'STM32L443', 'GD32VF103', 'WB32F3G71', 'WB32FQ95'
 LUFA_PROCESSORS = 'at90usb162', 'atmega16u2', 'atmega32u2', 'atmega16u4', 'atmega32u4', 'at90usb646', 'at90usb647', 'at90usb1286', 'at90usb1287', None
 VUSB_PROCESSORS = 'atmega32a', 'atmega328p', 'atmega328', 'attiny85'
 
@@ -36,6 +36,8 @@
     "STM32F446": "stm32-dfu",
     "STM32G431": "stm32-dfu",
     "STM32G474": "stm32-dfu",
+    "STM32H723": "stm32-dfu",
+    "STM32H733": "stm32-dfu",
     "STM32L412": "stm32-dfu",
     "STM32L422": "stm32-dfu",
     "STM32L432": "stm32-dfu",

platforms/chibios/boards/GENERIC_STM32_H723XG/board/board.mk

@@ -0,0 +1,12 @@
+# List of all the board related files.
+BOARDSRC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO144_H723ZG/board.c
+
+# Extra files
+BOARDSRC += $(BOARD_PATH)/board/extra.c
+
+# Required include directories
+BOARDINC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO144_H723ZG
+
+# Shared variables
+ALLCSRC += $(BOARDSRC)
+ALLINC  += $(BOARDINC)

platforms/chibios/boards/GENERIC_STM32_H723XG/board/extra.c

@@ -0,0 +1,36 @@
+// Copyright 2023 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <hal.h>
+#define BOOTLOADER_MAGIC 0xDEADBEEF
+
+////////////////////////////////////////////////////////////////////////////////
+// Different signalling for bootloader entry
+// - RAM is cleared on reset, so we can't use the usual __ram0_end__ symbol.
+// - Use backup registers in the RTC peripheral to store the magic value instead.
+
+static inline void enable_backup_register_access(void) {
+    PWR->CR1 |= PWR_CR1_DBP;
+}
+
+static inline void disable_backup_register_access(void) {
+    PWR->CR1 &= ~PWR_CR1_DBP;
+}
+
+void bootloader_marker_enable(void) {
+    enable_backup_register_access();
+    RTC->BKP0R = BOOTLOADER_MAGIC;
+    disable_backup_register_access();
+}
+
+bool bootloader_marker_active(void) {
+    enable_backup_register_access();
+    bool ret = RTC->BKP0R == BOOTLOADER_MAGIC;
+    disable_backup_register_access();
+    return ret;
+}
+
+void bootloader_marker_disable(void) {
+    enable_backup_register_access();
+    RTC->BKP0R = 0;
+    disable_backup_register_access();
+}

platforms/chibios/boards/GENERIC_STM32_H723XG/configs/config.h

@@ -0,0 +1,9 @@
+// Copyright 2023 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#define USB_DRIVER USBD2
+
+#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
+#    define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
+#endif