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authorNick Brassel <nick@tzarc.org>2022-06-05 10:26:02 +1000
committerGitHub <noreply@github.com>2022-06-05 10:26:02 +1000
commit08c556b78b9dc672a2aa2388bbd3fdf408e3ce98 (patch)
treed469e5c5a8368a7132ad85ef0c594cd73eabc55c
parentaf84772a5f350c404bfad8f5b138f990828eac45 (diff)
Add keymap wrappers for introspection into the keymap. (#17229)
* Introspection handlers for keymaps. * Renaming.
-rw-r--r--builddefs/build_keyboard.mk4
-rw-r--r--quantum/keymap.h2
-rw-r--r--quantum/keymap_introspection.c25
-rw-r--r--quantum/keymap_introspection.h15
4 files changed, 45 insertions, 1 deletions
diff --git a/builddefs/build_keyboard.mk b/builddefs/build_keyboard.mk
index dc86b232df..a258f33216 100644
--- a/builddefs/build_keyboard.mk
+++ b/builddefs/build_keyboard.mk
@@ -390,10 +390,12 @@ ifneq ("$(KEYMAP_H)","")
CONFIG_H += $(KEYMAP_H)
endif
+OPT_DEFS += -DKEYMAP_C=\"$(KEYMAP_C)\"
+
# project specific files
SRC += \
$(KEYBOARD_SRC) \
- $(KEYMAP_C) \
+ $(QUANTUM_DIR)/keymap_introspection.c \
$(QUANTUM_SRC) \
$(QUANTUM_DIR)/main.c \
diff --git a/quantum/keymap.h b/quantum/keymap.h
index d64b271efb..081bc54ebe 100644
--- a/quantum/keymap.h
+++ b/quantum/keymap.h
@@ -55,3 +55,5 @@ extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
// Ensure we have a forward declaration for the encoder map
# include "encoder.h"
#endif
+
+#include "keymap_introspection.h"
diff --git a/quantum/keymap_introspection.c b/quantum/keymap_introspection.c
new file mode 100644
index 0000000000..9628b41eef
--- /dev/null
+++ b/quantum/keymap_introspection.c
@@ -0,0 +1,25 @@
+// Copyright 2022 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Pull the actual keymap code so that we can inspect stuff from it
+#include KEYMAP_C
+
+#include "keymap_introspection.h"
+
+#define NUM_KEYMAP_LAYERS ((uint8_t)(sizeof(keymaps) / ((MATRIX_ROWS) * (MATRIX_COLS) * sizeof(uint16_t))))
+
+uint8_t keymap_layer_count(void) {
+ return NUM_KEYMAP_LAYERS;
+}
+
+#if defined(ENCODER_ENABLE) && defined(ENCODER_MAP_ENABLE)
+
+# define NUM_ENCODERMAP_LAYERS ((uint8_t)(sizeof(encoder_map) / ((NUM_ENCODERS) * (2) * sizeof(uint16_t))))
+
+uint8_t encodermap_layer_count(void) {
+ return NUM_ENCODERMAP_LAYERS;
+}
+
+_Static_assert(NUM_KEYMAP_LAYERS == NUM_ENCODERMAP_LAYERS, "Number of encoder_map layers doesn't match the number of keymap layers");
+
+#endif // defined(ENCODER_ENABLE) && defined(ENCODER_MAP_ENABLE)
diff --git a/quantum/keymap_introspection.h b/quantum/keymap_introspection.h
new file mode 100644
index 0000000000..23f6f2016f
--- /dev/null
+++ b/quantum/keymap_introspection.h
@@ -0,0 +1,15 @@
+// Copyright 2022 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#include <stdint.h>
+
+// Get the number of layers defined in the keymap
+uint8_t keymap_layer_count(void);
+
+#if defined(ENCODER_ENABLE) && defined(ENCODER_MAP_ENABLE)
+
+// Get the number of layers defined in the encoder map
+uint8_t encodermap_layer_count(void);
+
+#endif // defined(ENCODER_ENABLE) && defined(ENCODER_MAP_ENABLE)