Refactor platform logic within print.h (qmk#11863)

* Remove GCC check from debug

* Remove platform logic from common.mk

* Refactor platform logic within print.h

* restore debug.c format

* headers

* Rename function pointer type

* review comments

* Update tmk_core/common/printf.c

Co-authored-by: Nick Brassel <nick@tzarc.org>

* Format

Co-authored-by: Nick Brassel <nick@tzarc.org>

tmk_core/common.mk

@@ -1,5 +1,3 @@
-PRINTF_PATH = $(LIB_PATH)/printf
-
 COMMON_DIR = common
 PLATFORM_COMMON_DIR = $(COMMON_DIR)/$(PLATFORM_KEY)
 
@@ -10,7 +8,6 @@ TMK_COMMON_SRC +=	$(COMMON_DIR)/host.c \
 	$(COMMON_DIR)/action_macro.c \
 	$(COMMON_DIR)/action_layer.c \
 	$(COMMON_DIR)/action_util.c \
-	$(COMMON_DIR)/print.c \
 	$(COMMON_DIR)/debug.c \
 	$(COMMON_DIR)/sendchar_null.c \
 	$(COMMON_DIR)/eeconfig.c \
@@ -20,17 +17,11 @@ TMK_COMMON_SRC +=	$(COMMON_DIR)/host.c \
 	$(COMMON_DIR)/sync_timer.c \
 	$(PLATFORM_COMMON_DIR)/bootloader.c \
 
-ifeq ($(PLATFORM),AVR)
-  TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/xprintf.S
-else ifeq ($(PLATFORM),CHIBIOS)
-  TMK_COMMON_SRC += $(PRINTF_PATH)/printf.c
-  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_FLOAT
-  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL
-  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG
-  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T
-  VPATH += $(PRINTF_PATH)
-else ifeq ($(PLATFORM),ARM_ATSAM)
-  TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c
+# Use platform provided print - fall back to lib/printf
+ifneq ("$(wildcard $(TMK_PATH)/$(PLATFORM_COMMON_DIR)/printf.mk)","")
+    include $(TMK_PATH)/$(PLATFORM_COMMON_DIR)/printf.mk
+else
+    include $(TMK_PATH)/$(COMMON_DIR)/lib_printf.mk
 endif
 
 # Option modules

tmk_core/common/print.c → tmk_core/common/arm_atsam/_print.h

@@ -1,4 +1,4 @@
-/* Copyright 2012,2013 Jun Wako <wakojun@gmail.com> */
+/* Copyright 2012 Jun Wako <wakojun@gmail.com> */
 /* Very basic print functions, intended to be used with usb_debug_only.c
  * http://www.pjrc.com/teensy/
  * Copyright (c) 2008 PJRC.COM, LLC
@@ -21,27 +21,14 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#pragma once
 
-#include <stdint.h>
-#include "print.h"
+#include "arm_atsam/printf.h"
 
-#ifndef NO_PRINT
-
-#    if defined(__AVR__)
-
-#        define sendchar(c) xputc(c)
-
-void print_set_sendchar(int8_t (*sendchar_func)(uint8_t)) { xdev_out(sendchar_func); }
-
-#    elif defined(PROTOCOL_CHIBIOS) /* __AVR__ */
-
-// don't need anything extra
-
-#    elif defined(__arm__) /* __AVR__ */
-
-// TODO
-// void print_set_sendchar(int8_t (*sendchar_func)(uint8_t)) { }
-
-#    endif /* __AVR__ */
-
-#endif
+// Create user & normal print defines
+#define xprintf(fmt, ...) __xprintf(fmt, ##__VA_ARGS__)
+#define print(s) xprintf(s)
+#define println(s) xprintf(s "\r\n")
+#define uprint(s) print(s)
+#define uprintln(s) println(s)
+#define uprintf(fmt, ...) xprintf(fmt, ##__VA_ARGS__)

tmk_core/common/arm_atsam/printf.c

@@ -15,11 +15,13 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "printf.h"
+#include "sendchar.h"
+
 #ifdef CONSOLE_ENABLE
 
 #    include "samd51j18a.h"
 #    include "arm_atsam_protocol.h"
-#    include "printf.h"
 #    include <string.h>
 #    include <stdarg.h>
 
@@ -66,3 +68,5 @@ void console_printf(char *fmt, ...) {
 }
 
 #endif  // CONSOLE_ENABLE
+
+void print_set_sendchar(sendchar_func_t send) {}

tmk_core/common/arm_atsam/printf.mk

@@ -0,0 +1 @@
+TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c

tmk_core/common/avr/_print.h

@@ -0,0 +1,33 @@
+/* Copyright 2012 Jun Wako <wakojun@gmail.com> */
+/* Very basic print functions, intended to be used with usb_debug_only.c
+ * http://www.pjrc.com/teensy/
+ * Copyright (c) 2008 PJRC.COM, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#pragma once
+
+#include "avr/xprintf.h"
+
+// Create user & normal print defines
+#define print(s) xputs(PSTR(s))
+#define println(s) xputs(PSTR(s "\r\n"))
+#define uprint(s) print(s)
+#define uprintln(s) println(s)
+#define uprintf(fmt, ...) xprintf(fmt, ##__VA_ARGS__)

tmk_core/common/avr/printf.c

@@ -0,0 +1,20 @@
+/*
+Copyright 2011 Jun Wako <wakojun@gmail.com>
+
+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 2 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/>.
+*/
+#include "xprintf.h"
+#include "sendchar.h"
+
+void print_set_sendchar(sendchar_func_t func) { xdev_out(func); }

tmk_core/common/avr/printf.mk

@@ -0,0 +1,2 @@
+TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/xprintf.S
+TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c

tmk_core/common/debug.c

@@ -1,24 +1,25 @@
-#include <stdbool.h>
-#include "debug.h"
+/*
+Copyright 2011 Jun Wako <wakojun@gmail.com>
+
+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 2 of the License, or
+(at your option) any later version.
 
-#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+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/>.
+*/
+#include "debug.h"
 
 debug_config_t debug_config = {
-/* GCC Bug 10676 - Using unnamed fields in initializers
- * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676 */
-#if GCC_VERSION >= 40600
-    .enable   = false,
-    .matrix   = false,
-    .keyboard = false,
-    .mouse    = false,
-    .reserved = 0
-#else
-    {
-        false,  // .enable
-        false,  // .matrix
-        false,  // .keyboard
-        false,  // .mouse
-        0       // .reserved
-    }
-#endif
+    .enable   = false,  //
+    .matrix   = false,  //
+    .keyboard = false,  //
+    .mouse    = false,  //
+    .reserved = 0       //
 };

tmk_core/common/keyboard.c

@@ -229,6 +229,7 @@ void keyboard_setup(void) {
 #ifndef NO_JTAG_DISABLE
     disable_jtag();
 #endif
+    print_set_sendchar(sendchar);
     matrix_setup();
     keyboard_pre_init_kb();
 }

tmk_core/common/lib_printf.mk

@@ -0,0 +1,9 @@
+PRINTF_PATH = $(LIB_PATH)/printf
+
+TMK_COMMON_SRC += $(PRINTF_PATH)/printf.c
+TMK_COMMON_SRC += $(COMMON_DIR)/printf.c
+TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_FLOAT
+TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL
+TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG
+TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T
+VPATH += $(PRINTF_PATH)