grouping samd21

hw/bsp/samd21/boards/feather_m0_express/board.h

@@ -0,0 +1,50 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// LED
+#define LED_PIN               17
+#define LED_STATE_ON          1
+
+// Button
+#define BUTTON_PIN            15
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           4
+#define UART_TX_PIN           5
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/samd21/boards/feather_m0_express/board.mk

@@ -0,0 +1,16 @@
+CFLAGS += -D__SAMD21G18A__
+
+# All source paths should be relative to the top level.
+LD_FILE = $(BOARD_PATH)/feather_m0_express.ld
+
+# For flash-jlink target
+JLINK_DEVICE = ATSAMD21G18
+
+# flash using bossac at least version 1.8
+# can be found in arduino15/packages/arduino/tools/bossac/
+# Add it to your PATH or change BOSSAC variable to match your installation
+BOSSAC = bossac
+
+flash: $(BUILD)/$(BOARD)-firmware.bin
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	$(BOSSAC) --port=$(SERIAL) -U -i --offset=0x2000 -e -w $^ -R

hw/bsp/samd21/family.c

@@ -26,6 +26,7 @@
 
 #include "sam.h"
 #include "bsp/board.h"
+#include "board.h"
 
 #include "hal/include/hal_gpio.h"
 #include "hal/include/hal_init.h"
@@ -46,8 +47,6 @@ void USB_Handler(void)
 //--------------------------------------------------------------------+
 // MACRO TYPEDEF CONSTANT ENUM DECLARATION
 //--------------------------------------------------------------------+
-#define LED_PIN      17
-#define BUTTON_PIN   15 // pin D5
 
 /* Referenced GCLKs, should be initialized firstly */
 #define _GCLK_INIT_1ST (1 << 0 | 1 << 1)

hw/bsp/samd21/family.mk

@@ -1,15 +1,16 @@
+include $(TOP)/$(BOARD_PATH)/board.mk
+
 CFLAGS += \
   -flto \
   -mthumb \
-  -mabi=aapcs-linux \
+  -mabi=aapcs \
   -mcpu=cortex-m0plus \
   -nostdlib -nostartfiles \
-  -D__SAMD21G18A__ \
   -DCONF_DFLL_OVERWRITE_CALIBRATION=0 \
   -DCFG_TUSB_MCU=OPT_MCU_SAMD21
 
 # All source paths should be relative to the top level.
-LD_FILE = hw/bsp/$(BOARD)/samd21g18a_flash.ld
+#LD_FILE = hw/bsp/$(BOARD)/samd21g18a_flash.ld
 
 SRC_C += \
 	hw/mcu/microchip/asf4/samd21/gcc/gcc/startup_samd21.c \
@@ -20,6 +21,7 @@ SRC_C += \
 	hw/mcu/microchip/asf4/samd21/hal/src/hal_atomic.c
 
 INC += \
+	$(TOP)/$(BOARD_PATH) \
 	$(TOP)/hw/mcu/microchip/asf4/samd21/ \
 	$(TOP)/hw/mcu/microchip/asf4/samd21/config \
 	$(TOP)/hw/mcu/microchip/asf4/samd21/include \
@@ -36,15 +38,3 @@ CHIP_FAMILY = samd
 
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM0
-
-# For flash-jlink target
-JLINK_DEVICE = ATSAMD21G18
-
-# flash using bossac at least version 1.8
-# can be found in arduino15/packages/arduino/tools/bossac/
-# Add it to your PATH or change BOSSAC variable to match your installation
-BOSSAC = bossac
-
-flash: $(BUILD)/$(BOARD)-firmware.bin
-	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
-	$(BOSSAC) --port=$(SERIAL) -U -i --offset=0x2000 -e -w $^ -R