nrf: add simmel board

This adds support for Simmel, an nRF52833-based bluetooth tracking
board designed to aid in pandemic tracing.

Signed-off-by: Sean Cross <sean@xobs.io>

ports/nrf/Makefile

@@ -88,7 +88,7 @@ INC += -I../../supervisor/shared/usb
 ifeq ($(DEBUG), 1)
   CFLAGS += -ggdb3 -Og
 else
-  CFLAGS += -Os -DNDEBUG
+  CFLAGS += -Os -DNDEBUG -ggdb3
   CFLAGS += -flto -flto-partition=none
 endif
 

ports/nrf/boards/simmel/board.c

@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 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"
+
+void board_init(void) {
+}
+
+bool board_requests_safe_mode(void) {
+  return false;
+}
+
+void reset_board(void) {
+
+}

ports/nrf/boards/simmel/mpconfigboard.h

@@ -0,0 +1,54 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Glenn Ruben Bakke
+ * Copyright (c) 2018 Dan Halbert 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 "nrfx/hal/nrf_gpio.h"
+
+#define MICROPY_HW_BOARD_NAME       "Simmel"
+#define MICROPY_HW_MCU_NAME         "nRF52833"
+
+#define MICROPY_HW_LED_STATUS          (&pin_P0_06)
+
+#if SPI_FLASH_FILESYSTEM
+#define SPI_FLASH_MOSI_PIN &pin_P0_09
+#define SPI_FLASH_MISO_PIN &pin_P1_04
+#define SPI_FLASH_SCK_PIN &pin_P0_10
+#define SPI_FLASH_CS_PIN &pin_P1_06
+#endif
+
+#define CIRCUITPY_INTERNAL_NVM_SIZE 0
+#define CIRCUITPY_INTERNAL_FLASH_FILESYSTEM_SIZE (84*1024)
+
+#define BOOTLOADER_SIZE                 (0x4000)  // 12 kiB
+#define CIRCUITPY_BLE_CONFIG_SIZE       (12*1024)
+
+// Reduce nRF SoftRadio memory usage
+#define BLEIO_VS_UUID_COUNT 10
+#define BLEIO_HVN_TX_QUEUE_SIZE 2
+#define BLEIO_CENTRAL_ROLE_COUNT 2
+#define BLEIO_PERIPH_ROLE_COUNT 2
+#define BLEIO_TOTAL_CONNECTION_COUNT 2
+#define BLEIO_ATTR_TAB_SIZE (BLE_GATTS_ATTR_TAB_SIZE_DEFAULT * 2)

ports/nrf/boards/simmel/mpconfigboard.mk

@@ -0,0 +1,33 @@
+USB_VID = 0x1209
+USB_PID = 0xc051
+USB_PRODUCT = "Simmel"
+USB_MANUFACTURER = "Betrusted"
+
+MCU_CHIP = nrf52833
+
+# SPI_FLASH_FILESYSTEM = 1
+# EXTERNAL_FLASH_DEVICE_COUNT = 1
+# EXTERNAL_FLASH_DEVICES = "MX25R1635F"
+
+INTERNAL_FLASH_FILESYSTEM = 1
+
+CIRCUITPY_AUDIOMP3 = 0
+CIRCUITPY_BUSIO = 1
+CIRCUITPY_DISPLAYIO = 0
+CIRCUITPY_FRAMEBUFFERIO = 0
+CIRCUITPY_NEOPIXEL_WRITE = 0
+CIRCUITPY_NVM = 0
+CIRCUITPY_PIXELBUF  = 0
+CIRCUITPY_RGBMATRIX = 0
+CIRCUITPY_ROTARYIO = 0
+CIRCUITPY_RTC = 1
+CIRCUITPY_TOUCHIO = 0
+CIRCUITPY_ULAB = 0
+CIRCUITPY_USB_HID = 0
+
+# Enable micropython.native
+#CIRCUITPY_ENABLE_MPY_NATIVE = 1
+
+# These defines must be overridden before mpconfigboard.h is included, which is
+# why they are passed on the command line.
+CFLAGS += -DSPIM3_BUFFER_SIZE=0 -DSOFTDEVICE_RAM_SIZE='(32*1024)'

ports/nrf/boards/simmel/pins.c

@@ -0,0 +1,27 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_SPI_CSN), MP_ROM_PTR(&pin_P0_06) },
+    { MP_ROM_QSTR(MP_QSTR_SPI_MISO), MP_ROM_PTR(&pin_P1_04) },
+    { MP_ROM_QSTR(MP_QSTR_SPI_MOSI), MP_ROM_PTR(&pin_P0_09) },
+    { MP_ROM_QSTR(MP_QSTR_SPI_SCK), MP_ROM_PTR(&pin_P0_10) },
+
+    { MP_ROM_QSTR(MP_QSTR_NFC1), MP_ROM_PTR(&pin_P0_09) },
+    { MP_ROM_QSTR(MP_QSTR_NFC2), MP_ROM_PTR(&pin_P0_10) },
+
+    { MP_ROM_QSTR(MP_QSTR_I2S_LRCK), MP_ROM_PTR(&pin_P0_08) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_SDIN), MP_ROM_PTR(&pin_P1_09) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_SCK), MP_ROM_PTR(&pin_P0_12) },
+
+    { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_P0_06) },
+    { MP_ROM_QSTR(MP_QSTR_CHG), MP_ROM_PTR(&pin_P0_04) },
+
+    { MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&pin_P0_02) },
+    { MP_ROM_QSTR(MP_QSTR_PWM_N), MP_ROM_PTR(&pin_P0_19) },
+
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+};
+
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);