atmel-samd: Add Feather M0 with flash

atmel-samd/boards/feather_m0_flash/conf_access.h

@@ -0,0 +1,115 @@
+/**
+ * \file
+ *
+ * \brief Memory access control configuration file.
+ *
+ * Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an
+ *    Atmel microcontroller product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * \asf_license_stop
+ *
+ */
+/*
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ */
+
+#ifndef _CONF_ACCESS_H_
+#define _CONF_ACCESS_H_
+
+#include "compiler.h"
+#include "board.h"
+
+
+/*! \name Activation of Logical Unit Numbers
+ */
+//! @{
+#define LUN_0                ENABLE    //!< On-Chip Virtual Memory.
+#define LUN_1                DISABLE   //!< AT45DBX Data Flash.
+#define LUN_2                DISABLE   //!< SD/MMC Card over SPI.
+#define LUN_3                DISABLE   //!< SD/MMC Card over MCI Slot 0.
+#define LUN_4                DISABLE
+#define LUN_5                DISABLE
+#define LUN_6                DISABLE
+#define LUN_7                DISABLE
+#define LUN_USB              DISABLE   //!< Host Mass-Storage Memory.
+//! @}
+
+/*! \name LUN 0 Definitions
+ */
+//! @{
+#define LUN_0_INCLUDE                           "access_vfs.h"
+#define Lun_0_test_unit_ready                   vfs_test_unit_ready
+#define Lun_0_read_capacity                     vfs_read_capacity
+#define Lun_0_unload                            NULL
+#define Lun_0_wr_protect                        vfs_wr_protect
+#define Lun_0_removal                           vfs_removal
+#define Lun_0_usb_read_10                       vfs_usb_read_10
+#define Lun_0_usb_write_10                      vfs_usb_write_10
+#define LUN_0_NAME                              "\"MicroPython VFS[0]\""
+//! @}
+
+#define MEM_USB                                 LUN_USB
+
+/*! \name Actions Associated with Memory Accesses
+ *
+ * Write here the action to associate with each memory access.
+ *
+ * \warning Be careful not to waste time in order not to disturb the functions.
+ */
+//! @{
+#define memory_start_read_action(nb_sectors)
+#define memory_stop_read_action()
+#define memory_start_write_action(nb_sectors)
+#define memory_stop_write_action()
+//! @}
+
+/*! \name Activation of Interface Features
+ */
+//! @{
+#define ACCESS_USB           true    //!< MEM <-> USB interface.
+#define ACCESS_MEM_TO_RAM    false   //!< MEM <-> RAM interface.
+#define ACCESS_STREAM        false   //!< Streaming MEM <-> MEM interface.
+#define ACCESS_STREAM_RECORD false   //!< Streaming MEM <-> MEM interface in record mode.
+#define ACCESS_MEM_TO_MEM    false   //!< MEM <-> MEM interface.
+#define ACCESS_CODEC         false   //!< Codec interface.
+//! @}
+
+/*! \name Specific Options for Access Control
+ */
+//! @{
+#define GLOBAL_WR_PROTECT    false   //!< Management of a global write protection.
+//! @}
+
+
+#endif // _CONF_ACCESS_H_

atmel-samd/boards/feather_m0_flash/conf_board.h

@@ -0,0 +1,14 @@
+/**
+ * \file
+ *
+ * \brief User board configuration template
+ *
+ */
+/*
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ */
+
+#ifndef CONF_BOARD_H
+#define CONF_BOARD_H
+
+#endif // CONF_BOARD_H

atmel-samd/boards/feather_m0_flash/conf_usb.h

@@ -0,0 +1,152 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifndef CONF_USB_H_INCLUDED
+#define CONF_USB_H_INCLUDED
+
+#define  USB_DEVICE_MAJOR_VERSION         1
+#define  USB_DEVICE_MINOR_VERSION         0
+#define  USB_DEVICE_POWER                 100 // Consumption on Vbus line (mA)
+#define  USB_DEVICE_ATTR                  \
+	(USB_CONFIG_ATTR_BUS_POWERED)
+//	(USB_CONFIG_ATTR_REMOTE_WAKEUP|USB_CONFIG_ATTR_SELF_POWERED)
+//	(USB_CONFIG_ATTR_REMOTE_WAKEUP|USB_CONFIG_ATTR_BUS_POWERED)
+
+//! USB Device string definitions (Optional)
+#ifndef USB_DEVICE_MANUFACTURE_NAME
+#  define USB_DEVICE_MANUFACTURE_NAME "Adafruit Industries"
+#endif
+
+#ifndef USB_DEVICE_PRODUCT_NAME
+#  define USB_DEVICE_PRODUCT_NAME "Feather M0 Basic"
+#endif
+
+#define  USB_DEVICE_GET_SERIAL_NAME_POINTER  serial_number
+#define  USB_DEVICE_GET_SERIAL_NAME_LENGTH   32
+extern char serial_number[USB_DEVICE_GET_SERIAL_NAME_LENGTH];
+
+//! Control endpoint size
+#define  USB_DEVICE_EP_CTRL_SIZE       64
+
+//! Two interfaces for this device (CDC COM + CDC DATA + MSC)
+#define  USB_DEVICE_NB_INTERFACE       3
+
+// (3 | USB_EP_DIR_IN)  // CDC Notify endpoint
+// (4 | USB_EP_DIR_IN)  // CDC TX
+// (5 | USB_EP_DIR_OUT) // CDC RX
+// (1 | USB_EP_DIR_IN)  // MSC IN
+// (2 | USB_EP_DIR_OUT) // MSC OUT
+#define  USB_DEVICE_MAX_EP           5
+
+#define UDI_CDC_PORT_NB 1
+#define UDI_CDC_ENABLE_EXT(port) mp_cdc_enable(port)
+extern bool mp_cdc_enable(uint8_t port);
+#define UDI_CDC_DISABLE_EXT(port) mp_cdc_disable(port)
+extern void mp_cdc_disable(uint8_t port);
+#define  UDI_CDC_LOW_RATE
+
+#define  UDI_CDC_DEFAULT_RATE             115200
+#define  UDI_CDC_DEFAULT_STOPBITS         CDC_STOP_BITS_1
+#define  UDI_CDC_DEFAULT_PARITY           CDC_PAR_NONE
+#define  UDI_CDC_DEFAULT_DATABITS         8
+
+#define  UDI_CDC_RX_NOTIFY(port)           usb_rx_notify()
+void usb_rx_notify(void);
+#define  UDI_CDC_SET_CODING_EXT(port,cfg)
+#define  UDI_CDC_SET_DTR_EXT(port,set) usb_dtr_notify(port, set)
+void usb_dtr_notify(uint8_t port, bool set);
+#define  UDI_CDC_SET_RTS_EXT(port,set) usb_rts_notify(port, set)
+void usb_rts_notify(uint8_t port, bool set);
+
+/**
+ * USB CDC low level configuration
+ * In standalone these configurations are defined by the CDC module.
+ * For composite device, these configuration must be defined here
+ * @{
+ */
+//! Endpoint numbers definition
+
+#define  UDI_CDC_COMM_EP_0             (3 | USB_EP_DIR_IN)  // Notify endpoint
+#define  UDI_CDC_DATA_EP_IN_0          (4 | USB_EP_DIR_IN)  // TX
+#define  UDI_CDC_DATA_EP_OUT_0         (5 | USB_EP_DIR_OUT) // RX
+
+//! Interface numbers
+#define  UDI_CDC_COMM_IFACE_NUMBER_0   0
+#define  UDI_CDC_DATA_IFACE_NUMBER_0   1
+
+/**
+ * Configuration of MSC interface
+ * @{
+ */
+//! Vendor name and Product version of MSC interface
+#define UDI_MSC_GLOBAL_VENDOR_ID            \
+   'A', 'T', 'M', 'E', 'L', ' ', ' ', ' '
+#define UDI_MSC_GLOBAL_PRODUCT_VERSION            \
+   '1', '.', '0', '0'
+
+//! Interface callback definition
+#define  UDI_MSC_ENABLE_EXT()          mp_msc_enable()
+extern bool mp_msc_enable();
+#define  UDI_MSC_DISABLE_EXT()         mp_msc_disable()
+extern void mp_msc_disable();
+
+//! Enable id string of interface to add an extra USB string
+#define  UDI_MSC_STRING_ID                5
+
+/**
+ * USB MSC low level configuration
+ * In standalone these configurations are defined by the MSC module.
+ * For composite device, these configuration must be defined here
+ * @{
+ */
+//! Endpoint numbers definition
+#define  UDI_MSC_EP_IN                 (1 | USB_EP_DIR_IN)
+#define  UDI_MSC_EP_OUT                (2 | USB_EP_DIR_OUT)
+
+//! Interface number
+#define  UDI_MSC_IFACE_NUMBER          2
+
+/**
+ * Description of Composite Device
+ * @{
+ */
+//! USB Interfaces descriptor structure
+#define UDI_COMPOSITE_DESC_T \
+	usb_iad_desc_t       udi_cdc_iad; \
+	udi_cdc_comm_desc_t  udi_cdc_comm; \
+	udi_cdc_data_desc_t  udi_cdc_data; \
+	udi_msc_desc_t       udi_msc
+
+//! USB Interfaces descriptor value for Full Speed
+#define UDI_COMPOSITE_DESC_FS \
+	.udi_cdc_iad   = UDI_CDC_IAD_DESC_0, \
+	.udi_cdc_comm  = UDI_CDC_COMM_DESC_0, \
+	.udi_cdc_data  = UDI_CDC_DATA_DESC_0_FS, \
+	.udi_msc       = UDI_MSC_DESC_FS
+
+//! USB Interfaces descriptor value for High Speed
+#define UDI_COMPOSITE_DESC_HS \
+	.udi_cdc_iad   = UDI_CDC_IAD_DESC_0, \
+	.udi_cdc_comm  = UDI_CDC_COMM_DESC_0, \
+	.udi_cdc_data  = UDI_CDC_DATA_DESC_0_HS, \
+	.udi_msc       = UDI_MSC_DESC_HS
+
+//! USB Interface APIs
+#define UDI_COMPOSITE_API \
+	&udi_api_cdc_comm, \
+	&udi_api_cdc_data, \
+	&udi_api_msc
+//@}
+
+/**
+ * USB Device Driver Configuration
+ * @{
+ */
+//@}
+
+//! The includes of classes and other headers must be done at the end of this file to avoid compile error
+#include "udi_cdc.h"
+#include "udi_msc.h"
+
+#endif

atmel-samd/boards/feather_m0_flash/init.c

@@ -0,0 +1,20 @@
+/**
+ * \file
+ *
+ * \brief User board initialization template
+ *
+ */
+/*
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ */
+
+#include "board.h"
+#include "conf_board.h"
+
+void board_init(void)
+{
+	/* This function is meant to contain board-specific initialization code
+	 * for, e.g., the I/O pins. The initialization can rely on application-
+	 * specific board configuration, found in conf_board.h.
+	 */
+}

atmel-samd/boards/feather_m0_flash/mpconfigboard.h

@@ -0,0 +1,21 @@
+// LEDs
+#define USB_REPL
+
+#define MICROPY_HW_BOARD_NAME "Adafruit Feather M0 Flash"
+#define MICROPY_HW_MCU_NAME "samd21g18"
+
+#define MICROPY_HW_NEOPIXEL &pin_PA14
+
+#define SPI_FLASH_BAUDRATE  (1000000)
+
+// On-board flash
+#define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_E
+#define SPI_FLASH_PAD0_PINMUX PINMUX_PA12D_SERCOM4_PAD0 // MISO
+// Use default pinmux for the chip select since we manage it ourselves.
+#define SPI_FLASH_PAD1_PINMUX PINMUX_DEFAULT // CS
+#define SPI_FLASH_PAD2_PINMUX PINMUX_PB10D_SERCOM4_PAD2 // MOSI
+#define SPI_FLASH_PAD3_PINMUX PINMUX_PB11D_SERCOM4_PAD3 // SCK
+#define SPI_FLASH_CS          PIN_PA13
+#define SPI_FLASH_SERCOM      SERCOM4
+
+#define AUTORESET_DELAY_MS 500

atmel-samd/boards/feather_m0_flash/mpconfigboard.mk

@@ -0,0 +1,5 @@
+LD_FILE = boards/samd21x18-bootloader-external-flash.ld
+USB_VID = 0x239A
+USB_PID = 0x8015
+
+FLASH_IMPL = spi_flash.c

atmel-samd/boards/feather_m0_flash/pins.c

@@ -0,0 +1,25 @@
+#include "samd21_pins.h"
+
+STATIC const mp_map_elem_t board_global_dict_table[] = {
+  { MP_OBJ_NEW_QSTR(MP_QSTR_A0), (mp_obj_t)&pin_PA02 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_A1), (mp_obj_t)&pin_PB08 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_A2), (mp_obj_t)&pin_PB09 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_A3), (mp_obj_t)&pin_PA04 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_A4), (mp_obj_t)&pin_PA05 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_A5), (mp_obj_t)&pin_PB02 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_SCK), (mp_obj_t)&pin_PB11 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_MOSI), (mp_obj_t)&pin_PB10 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_MISO), (mp_obj_t)&pin_PA12 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_0RX), (mp_obj_t)&pin_PA11 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_1TX), (mp_obj_t)&pin_PA10 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_SDA), (mp_obj_t)&pin_PA22 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_SCL), (mp_obj_t)&pin_PA23 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D5), (mp_obj_t)&pin_PA15 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D6), (mp_obj_t)&pin_PA20 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D9), (mp_obj_t)&pin_PA07 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D10), (mp_obj_t)&pin_PA18 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D11), (mp_obj_t)&pin_PA16 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D12), (mp_obj_t)&pin_PA19 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_D13), (mp_obj_t)&pin_PA17 },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);