From 891d18d3565090abd5f218a8787acc3e25349b73 Mon Sep 17 00:00:00 2001
From: Nick Brassel <nick@tzarc.org>
Date: Sun, 25 Apr 2021 13:40:56 +1000
Subject: Add initial support for tinyuf2 bootloader (when hosted on F411
blackpill) (#12600)
* Add support for jumping to tinyuf2 bootloader. Adds blackpill UF2 example.
* Update flashing.md
* Update chconf.h
* Update config.h
* Update halconf.h
* Update mcuconf.h
---
tmk_core/common/chibios/bootloader.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
(limited to 'tmk_core/common')
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c
index 4a175a6283..f91ac7d9eb 100644
--- a/tmk_core/common/chibios/bootloader.c
+++ b/tmk_core/common/chibios/bootloader.c
@@ -13,7 +13,22 @@
# define STM32_BOOTLOADER_DUAL_BANK FALSE
#endif
-#if STM32_BOOTLOADER_DUAL_BANK
+#ifdef BOOTLOADER_TINYUF2
+
+# define DBL_TAP_MAGIC 0xf01669ef // From tinyuf2's board_api.h
+
+// defined by linker script
+extern uint32_t _board_dfu_dbl_tap[];
+# define DBL_TAP_REG _board_dfu_dbl_tap[0]
+
+void bootloader_jump(void) {
+ DBL_TAP_REG = DBL_TAP_MAGIC;
+ NVIC_SystemReset();
+}
+
+void enter_bootloader_mode_if_requested(void) { /* not needed, no two-stage reset */ }
+
+#elif STM32_BOOTLOADER_DUAL_BANK
// Need pin definitions
# include "config_common.h"
--
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