Merge pull request #1884 from CapableRobot/capablerobot-usbhub

Added board definition for Capable Robot Programmable USB Hub

ports/atmel-samd/boards/capablerobot_usbhub/board.c

@@ -0,0 +1,47 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#include "boards/board.h"
+#include "mpconfigboard.h"
+#include "hal/include/hal_gpio.h"
+#include "common-hal/microcontroller/Pin.h"
+
+void board_init(void) {
+	// Don't reset:
+	// 	- USB Host Enable Pin
+	// 	- reset pin of the USB Hub
+	//
+	// If either are reset, USB devices will disconnect when the MCU restarts
+	never_reset_pin_number(PIN_PA07);
+	never_reset_pin_number(PIN_PB08);
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}

ports/atmel-samd/boards/capablerobot_usbhub/mpconfigboard.h

@@ -0,0 +1,37 @@
+#define MICROPY_HW_BOARD_NAME "Capable Robot Programmable USB Hub"
+#define MICROPY_HW_MCU_NAME "samd51g19"
+
+#define CIRCUITPY_MCU_FAMILY samd51
+
+
+#define MICROPY_HW_LED_STATUS   (&pin_PA22)
+
+// These are pins not to reset.
+// QSPI Data pins
+#define MICROPY_PORT_A (PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11)
+// QSPI CS, and QSPI SCK
+#define MICROPY_PORT_B (PORT_PB10 | PORT_PB11)
+#define MICROPY_PORT_C (0)
+#define MICROPY_PORT_D (0)
+
+#define AUTORESET_DELAY_MS 500
+
+// If you change this, then make sure to update the linker scripts as well to
+// make sure you don't overwrite code
+#define CIRCUITPY_INTERNAL_NVM_SIZE 8192
+
+#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
+#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_PA01)
+#define DEFAULT_SPI_BUS_MOSI (&pin_PA00)
+#define DEFAULT_SPI_BUS_MISO (&pin_PB23)
+
+#define DEFAULT_UART_BUS_RX (&pin_PA16)
+#define DEFAULT_UART_BUS_TX (&pin_PA17)
+
+// USB is always used internally so skip the pin objects for it.
+#define IGNORE_PIN_PA24     1
+#define IGNORE_PIN_PA25     1

ports/atmel-samd/boards/capablerobot_usbhub/mpconfigboard.mk

@@ -0,0 +1,18 @@
+LD_FILE = boards/samd51x19-bootloader-external-flash.ld
+USB_VID = 0x04D8
+USB_PID = 0xEDB3
+USB_PRODUCT = "Programmable USB Hub"
+USB_MANUFACTURER = "Capable Robot Components"
+
+QSPI_FLASH_FILESYSTEM = 1
+EXTERNAL_FLASH_DEVICE_COUNT = 1
+EXTERNAL_FLASH_DEVICES = GD25Q16C
+LONGINT_IMPL = MPZ
+
+# No I2S on SAMD51G
+CIRCUITPY_AUDIOBUSIO = 0
+# No touch on SAMD51 yet
+CIRCUITPY_TOUCHIO = 0
+
+CHIP_VARIANT = SAMD51G19A
+CHIP_FAMILY = samd51

ports/atmel-samd/boards/capablerobot_usbhub/pins.c

@@ -0,0 +1,36 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_OBJ_NEW_QSTR(MP_QSTR_ANMB),   MP_ROM_PTR(&pin_PA02) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_ANVLIM), MP_ROM_PTR(&pin_PA04) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AN5V),   MP_ROM_PTR(&pin_PA05) },
+    
+    { MP_OBJ_NEW_QSTR(MP_QSTR_MBPWM),  MP_ROM_PTR(&pin_PA14) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_MBINT),  MP_ROM_PTR(&pin_PA15) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_MBCS),   MP_ROM_PTR(&pin_PA18) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_MBRST),  MP_ROM_PTR(&pin_PB09) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_LED1),   MP_ROM_PTR(&pin_PA19) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_LED2),   MP_ROM_PTR(&pin_PA20) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_LED3),   MP_ROM_PTR(&pin_PA21) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_RX),     MP_ROM_PTR(&pin_PA16) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_TX),     MP_ROM_PTR(&pin_PA17) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_USBHEN), MP_ROM_PTR(&pin_PA07) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_USBRST), MP_ROM_PTR(&pin_PB08) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SDA),    MP_ROM_PTR(&pin_PA22) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SCL),    MP_ROM_PTR(&pin_PA23) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SDA2),   MP_ROM_PTR(&pin_PA12) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SCL2),   MP_ROM_PTR(&pin_PA13) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SCK),    MP_ROM_PTR(&pin_PA01) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_MOSI),   MP_ROM_PTR(&pin_PA00) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_MISO),   MP_ROM_PTR(&pin_PB23) },
+
+    { MP_ROM_QSTR(MP_QSTR_I2C),        MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI),        MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART),       MP_ROM_PTR(&board_uart_obj) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);