hathach
GitHub
commit
1f31d1b484
|
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@ -12,6 +12,7 @@ This code base already had supported for a handful of following boards
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### Nordic nRF5x
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- [Adafruit Feather nRF52840 Express](https://www.adafruit.com/product/4062)
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- [Adafruit Circuit Playground Bluefruit](https://www.adafruit.com/product/4333)
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- [Nordic nRF52840 Development Kit (aka pca10056)](https://www.nordicsemi.com/Software-and-Tools/Development-Kits/nRF52840-DK)
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### NXP LPC
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@ -19,15 +20,17 @@ This code base already had supported for a handful of following boards
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- [LPCXpresso 11U68](https://www.nxp.com/support/developer-resources/evaluation-and-development-boards/lpcxpresso-boards/lpcxpresso-board-for-lpc11u68:OM13058)
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- [LPCXpresso 1347](https://www.nxp.com/support/developer-resources/evaluation-and-development-boards/lpcxpresso-boards/lpcxpresso-board-for-lpc1347:OM13045)
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- [LPCXpresso 1769](https://www.nxp.com/support/developer-resources/evaluation-and-development-boards/lpcxpresso-boards/lpcxpresso-board-for-lpc1769:OM13000)
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- [LPCXpresso 51U68](https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpcxpresso51u68-for-the-lpc51u68-mcus:OM40005)
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- [Keil MCB1800 Evaluation Board](http://www.keil.com/mcb1800)
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- [Embedded Artists LPC4088 Quick Start board](https://www.embeddedartists.com/products/lpc4088-quickstart-board)
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- [Embedded Artists LPC4357 Developer Kit](http://www.embeddedartists.com/products/kits/lpc4357_kit.php)
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- [LPCXpresso 51U68](https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpcxpresso51u68-for-the-lpc51u68-mcus:OM40005)
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### MicroChip SAMD
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- [Adafruit Feather M4 Express](https://www.adafruit.com/product/3857)
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- [Adafruit Circuit Playground Express](https://www.adafruit.com/product/3333)
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- [Adafruit Feather M0 Express](https://www.adafruit.com/product/3403)
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- [Adafruit Metro M0 Express](https://www.adafruit.com/product/3505)
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- [Adafruit Feather M4 Express](https://www.adafruit.com/product/3857)
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- [Adafruit Metro M4 Express](https://www.adafruit.com/product/3382)
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### ST STM32
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@ -0,0 +1,56 @@
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CFLAGS += \
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-mthumb \
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-mabi=aapcs \
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-mcpu=cortex-m4 \
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-mfloat-abi=hard \
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-mfpu=fpv4-sp-d16 \
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-DCFG_TUSB_MCU=OPT_MCU_NRF5X \
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-DNRF52840_XXAA \
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-DCONFIG_GPIO_AS_PINRESET
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# nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
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CFLAGS += -Wno-error=undef
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# All source paths should be relative to the top level.
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LD_FILE = hw/bsp/circuitplayground_bluefruit/nrf52840_s140_v6.ld
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LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
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SRC_C += \
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hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
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hw/mcu/nordic/nrfx/mdk/system_nrf52840.c \
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INC += \
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$(TOP)/hw/mcu/nordic/cmsis/Include \
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$(TOP)/hw/mcu/nordic \
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$(TOP)/hw/mcu/nordic/nrfx \
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$(TOP)/hw/mcu/nordic/nrfx/mdk \
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$(TOP)/hw/mcu/nordic/nrfx/hal \
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$(TOP)/hw/mcu/nordic/nrfx/drivers/include \
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$(TOP)/hw/mcu/nordic/nrfx/drivers/src \
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SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_nrf52840.S
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ASFLAGS += -D__HEAP_SIZE=0
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# For TinyUSB port source
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VENDOR = nordic
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CHIP_FAMILY = nrf5x
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# For freeRTOS port source
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FREERTOS_PORT = ARM_CM4F
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# For flash-jlink target
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JLINK_DEVICE = nRF52840_xxAA
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JLINK_IF = swd
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# For uf2 conversion
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UF2_FAMILY = 0xADA52840
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$(BUILD)/$(BOARD)-firmware.zip: $(BUILD)/$(BOARD)-firmware.hex
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adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
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# flash using adafruit-nrfutil dfu
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flash: $(BUILD)/$(BOARD)-firmware.zip
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@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
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adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200
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@ -0,0 +1,194 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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||||
* of this software and associated documentation files (the "Software"), to deal
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||||
* in the Software without restriction, including without limitation the rights
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||||
* 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:
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||||
*
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||||
* The above copyright notice and this permission notice shall be included in
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||||
* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#include "bsp/board.h"
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#include "nrfx.h"
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#include "nrfx/hal/nrf_gpio.h"
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#include "nrfx/drivers/include/nrfx_power.h"
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#ifdef SOFTDEVICE_PRESENT
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#include "nrf_sdm.h"
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#include "nrf_soc.h"
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#endif
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/*------------------------------------------------------------------*/
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/* MACRO TYPEDEF CONSTANT ENUM
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*------------------------------------------------------------------*/
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#define _PINNUM(port, pin) ((port)*32 + (pin))
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#define LED_PIN _PINNUM(1, 14)
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#define LED_STATE_ON 1
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#define BUTTON_PIN _PINNUM(1, 15)
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// tinyusb function that handles power event (detected, ready, removed)
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// We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
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extern void tusb_hal_nrf_power_event(uint32_t event);
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void board_init(void)
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{
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// Config clock source: XTAL or RC in sdk_config.h
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NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);
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NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
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// LED
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nrf_gpio_cfg_output(LED_PIN);
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board_led_write(false);
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// Button
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nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLDOWN);
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#if CFG_TUSB_OS == OPT_OS_NONE
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// 1ms tick timer
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SysTick_Config(SystemCoreClock/1000);
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#endif
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#if TUSB_OPT_DEVICE_ENABLED
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// Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice
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// 2 is highest for application
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NVIC_SetPriority(USBD_IRQn, 2);
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// USB power may already be ready at this time -> no event generated
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// We need to invoke the handler based on the status initially
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uint32_t usb_reg;
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#ifdef SOFTDEVICE_PRESENT
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uint8_t sd_en = false;
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sd_softdevice_is_enabled(&sd_en);
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if ( sd_en ) {
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sd_power_usbdetected_enable(true);
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sd_power_usbpwrrdy_enable(true);
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sd_power_usbremoved_enable(true);
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sd_power_usbregstatus_get(&usb_reg);
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}else
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#endif
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{
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// Power module init
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const nrfx_power_config_t pwr_cfg = { 0 };
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nrfx_power_init(&pwr_cfg);
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// Register tusb function as USB power handler
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const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
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nrfx_power_usbevt_init(&config);
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nrfx_power_usbevt_enable();
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usb_reg = NRF_POWER->USBREGSTATUS;
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}
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if ( usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
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if ( usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
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#endif
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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void board_led_write(bool state)
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{
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nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
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}
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uint32_t board_button_read(void)
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{
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// button is active HIGH
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return nrf_gpio_pin_read(BUTTON_PIN);
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}
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int board_uart_read(uint8_t* buf, int len)
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{
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(void) buf;
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(void) len;
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return 0;
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}
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int board_uart_write(void const * buf, int len)
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{
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(void) buf;
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(void) len;
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return 0;
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}
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler (void)
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{
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system_ticks++;
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}
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uint32_t board_millis(void)
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{
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return system_ticks;
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}
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#endif
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#ifdef SOFTDEVICE_PRESENT
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// process SOC event from SD
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uint32_t proc_soc(void)
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{
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uint32_t soc_evt;
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uint32_t err = sd_evt_get(&soc_evt);
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if (NRF_SUCCESS == err)
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{
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/*------------- usb power event handler -------------*/
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int32_t usbevt = (soc_evt == NRF_EVT_POWER_USB_DETECTED ) ? NRFX_POWER_USB_EVT_DETECTED:
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(soc_evt == NRF_EVT_POWER_USB_POWER_READY) ? NRFX_POWER_USB_EVT_READY :
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(soc_evt == NRF_EVT_POWER_USB_REMOVED ) ? NRFX_POWER_USB_EVT_REMOVED : -1;
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if ( usbevt >= 0) tusb_hal_nrf_power_event(usbevt);
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}
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return err;
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}
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uint32_t proc_ble(void)
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{
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// do nothing with ble
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return NRF_ERROR_NOT_FOUND;
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}
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void SD_EVT_IRQHandler(void)
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{
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// process BLE and SOC until there is no more events
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while( (NRF_ERROR_NOT_FOUND != proc_ble()) || (NRF_ERROR_NOT_FOUND != proc_soc()) )
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{
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}
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}
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void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info)
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{
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(void) id;
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(void) pc;
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(void) info;
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}
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#endif
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@ -0,0 +1,38 @@
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/* Linker script to configure memory regions. */
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SEARCH_DIR(.)
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GROUP(-lgcc -lc -lnosys)
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000
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/* SRAM required by S132 depend on
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* - Attribute Table Size
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* - Vendor UUID count
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* - Max ATT MTU
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* - Concurrent connection peripheral + central + secure links
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* - Event Len, HVN queue, Write CMD queue
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*/
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RAM (rwx) : ORIGIN = 0x20003400, LENGTH = 0x20040000 - 0x20003400
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}
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SECTIONS
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{
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. = ALIGN(4);
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.svc_data :
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{
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PROVIDE(__start_svc_data = .);
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KEEP(*(.svc_data))
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PROVIDE(__stop_svc_data = .);
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} > RAM
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.fs_data :
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{
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PROVIDE(__start_fs_data = .);
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KEEP(*(.fs_data))
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PROVIDE(__stop_fs_data = .);
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} > RAM
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} INSERT AFTER .data;
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INCLUDE "nrf52_common.ld"
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@ -0,0 +1,44 @@
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CFLAGS += \
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-DCONF_DFLL_OVERWRITE_CALIBRATION=0 \
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-D__SAMD21G18A__ \
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-mthumb \
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-mabi=aapcs-linux \
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-mcpu=cortex-m0plus \
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-nostdlib -nostartfiles \
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-DCFG_TUSB_MCU=OPT_MCU_SAMD21
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# All source paths should be relative to the top level.
|
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LD_FILE = hw/bsp/circuitplayground_express/samd21g18a_flash.ld
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|
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SRC_C += \
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hw/mcu/microchip/samd/asf4/samd21/gcc/gcc/startup_samd21.c \
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hw/mcu/microchip/samd/asf4/samd21/gcc/system_samd21.c \
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hw/mcu/microchip/samd/asf4/samd21/hpl/gclk/hpl_gclk.c \
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hw/mcu/microchip/samd/asf4/samd21/hpl/pm/hpl_pm.c \
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hw/mcu/microchip/samd/asf4/samd21/hpl/sysctrl/hpl_sysctrl.c \
|
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hw/mcu/microchip/samd/asf4/samd21/hal/src/hal_atomic.c
|
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|
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INC += \
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$(TOP)/hw/mcu/microchip/samd/asf4/samd21/ \
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$(TOP)/hw/mcu/microchip/samd/asf4/samd21/config \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/include \
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$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hal/include \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hal/utils/include \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd51/hpl/pm/ \
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||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hpl/port \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hri \
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||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/CMSIS/Include
|
||||
|
||||
# For TinyUSB port source
|
||||
VENDOR = microchip
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CHIP_FAMILY = samd21
|
||||
|
||||
# For freeRTOS port source
|
||||
FREERTOS_PORT = ARM_CM0
|
||||
|
||||
# For flash-jlink target
|
||||
JLINK_DEVICE = ATSAMD21G18
|
||||
JLINK_IF = swd
|
||||
|
||||
# flash using jlink
|
||||
flash: flash-jlink
|
||||
|
|
@ -0,0 +1,130 @@
|
|||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 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.
|
||||
*/
|
||||
|
||||
#include "bsp/board.h"
|
||||
|
||||
#include "sam.h"
|
||||
#include "hal/include/hal_gpio.h"
|
||||
#include "hal/include/hal_init.h"
|
||||
#include "hri/hri_nvmctrl_d21.h"
|
||||
|
||||
#include "hpl/gclk/hpl_gclk_base.h"
|
||||
#include "hpl_pm_config.h"
|
||||
#include "hpl/pm/hpl_pm_base.h"
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
|
||||
//--------------------------------------------------------------------+
|
||||
#define LED_PIN 17
|
||||
#define BUTTON_PIN 14 // pin D5
|
||||
|
||||
/* Referenced GCLKs, should be initialized firstly */
|
||||
#define _GCLK_INIT_1ST (1 << 0 | 1 << 1)
|
||||
|
||||
/* Not referenced GCLKs, initialized last */
|
||||
#define _GCLK_INIT_LAST (~_GCLK_INIT_1ST)
|
||||
|
||||
void board_init(void)
|
||||
{
|
||||
// Clock init ( follow hpl_init.c )
|
||||
hri_nvmctrl_set_CTRLB_RWS_bf(NVMCTRL, 2);
|
||||
|
||||
_pm_init();
|
||||
_sysctrl_init_sources();
|
||||
#if _GCLK_INIT_1ST
|
||||
_gclk_init_generators_by_fref(_GCLK_INIT_1ST);
|
||||
#endif
|
||||
_sysctrl_init_referenced_generators();
|
||||
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
|
||||
|
||||
// Led init
|
||||
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(LED_PIN, 0);
|
||||
|
||||
// Button init
|
||||
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
|
||||
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_DOWN);
|
||||
|
||||
#if CFG_TUSB_OS == OPT_OS_NONE
|
||||
// 1ms tick timer (samd SystemCoreClock may not correct)
|
||||
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
|
||||
#endif
|
||||
|
||||
/* USB Clock init
|
||||
* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
|
||||
* for low speed and full speed operation. */
|
||||
_pm_enable_bus_clock(PM_BUS_APBB, USB);
|
||||
_pm_enable_bus_clock(PM_BUS_AHB, USB);
|
||||
_gclk_enable_channel(USB_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
|
||||
|
||||
// USB Pin Init
|
||||
gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(PIN_PA24, false);
|
||||
gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF);
|
||||
gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(PIN_PA25, false);
|
||||
gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF);
|
||||
|
||||
gpio_set_pin_function(PIN_PA24, PINMUX_PA24G_USB_DM);
|
||||
gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP);
|
||||
|
||||
// Output 500hz PWM on D12 (PA19 - TCC0 WO[3]) so we can validate the GCLK0 clock speed with a Saleae.
|
||||
_pm_enable_bus_clock(PM_BUS_APBC, TCC0);
|
||||
TCC0->PER.bit.PER = 48000000 / 1000;
|
||||
TCC0->CC[3].bit.CC = 48000000 / 2000;
|
||||
TCC0->CTRLA.bit.ENABLE = true;
|
||||
|
||||
gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3);
|
||||
_gclk_enable_channel(TCC0_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Board porting API
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
void board_led_write(bool state)
|
||||
{
|
||||
gpio_set_pin_level(LED_PIN, state);
|
||||
}
|
||||
|
||||
uint32_t board_button_read(void)
|
||||
{
|
||||
// button is active high
|
||||
return gpio_get_pin_level(BUTTON_PIN);
|
||||
}
|
||||
|
||||
#if CFG_TUSB_OS == OPT_OS_NONE
|
||||
volatile uint32_t system_ticks = 0;
|
||||
void SysTick_Handler (void)
|
||||
{
|
||||
system_ticks++;
|
||||
}
|
||||
|
||||
uint32_t board_millis(void)
|
||||
{
|
||||
return system_ticks;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,144 @@
|
|||
/**
|
||||
* \file
|
||||
*
|
||||
* \brief Linker script for running in internal FLASH on the SAMD21G18A
|
||||
*
|
||||
* Copyright (c) 2017 Microchip Technology Inc.
|
||||
*
|
||||
* \asf_license_start
|
||||
*
|
||||
* \page License
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the Licence at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* \asf_license_stop
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
|
||||
OUTPUT_ARCH(arm)
|
||||
SEARCH_DIR(.)
|
||||
|
||||
/* Memory Spaces Definitions */
|
||||
MEMORY
|
||||
{
|
||||
rom (rx) : ORIGIN = 0x00000000 + 8K, LENGTH = 0x00040000 - 8K
|
||||
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000
|
||||
}
|
||||
|
||||
/* The stack size used by the application. NOTE: you need to adjust according to your application. */
|
||||
STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
|
||||
|
||||
/* Section Definitions */
|
||||
SECTIONS
|
||||
{
|
||||
.text :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sfixed = .;
|
||||
KEEP(*(.vectors .vectors.*))
|
||||
*(.text .text.* .gnu.linkonce.t.*)
|
||||
*(.glue_7t) *(.glue_7)
|
||||
*(.rodata .rodata* .gnu.linkonce.r.*)
|
||||
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
||||
|
||||
/* Support C constructors, and C destructors in both user code
|
||||
and the C library. This also provides support for C++ code. */
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.init))
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP (*crtbegin.o(.ctors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*crtend.o(.ctors))
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.fini))
|
||||
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
|
||||
KEEP (*crtbegin.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*crtend.o(.dtors))
|
||||
|
||||
. = ALIGN(4);
|
||||
_efixed = .; /* End of text section */
|
||||
} > rom
|
||||
|
||||
/* .ARM.exidx is sorted, so has to go in its own output section. */
|
||||
PROVIDE_HIDDEN (__exidx_start = .);
|
||||
.ARM.exidx :
|
||||
{
|
||||
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
||||
} > rom
|
||||
PROVIDE_HIDDEN (__exidx_end = .);
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .;
|
||||
|
||||
.relocate : AT (_etext)
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_srelocate = .;
|
||||
*(.ramfunc .ramfunc.*);
|
||||
*(.data .data.*);
|
||||
. = ALIGN(4);
|
||||
_erelocate = .;
|
||||
} > ram
|
||||
|
||||
/* .bss section which is used for uninitialized data */
|
||||
.bss (NOLOAD) :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sbss = . ;
|
||||
_szero = .;
|
||||
*(.bss .bss.*)
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = . ;
|
||||
_ezero = .;
|
||||
end = .;
|
||||
} > ram
|
||||
|
||||
/* stack section */
|
||||
.stack (NOLOAD):
|
||||
{
|
||||
. = ALIGN(8);
|
||||
_sstack = .;
|
||||
. = . + STACK_SIZE;
|
||||
. = ALIGN(8);
|
||||
_estack = .;
|
||||
} > ram
|
||||
|
||||
. = ALIGN(4);
|
||||
_end = . ;
|
||||
}
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
CFLAGS += \
|
||||
-DCONF_DFLL_OVERWRITE_CALIBRATION=0 \
|
||||
-D__SAMD21G18A__ \
|
||||
-mthumb \
|
||||
-mabi=aapcs-linux \
|
||||
-mcpu=cortex-m0plus \
|
||||
-nostdlib -nostartfiles \
|
||||
-DCFG_TUSB_MCU=OPT_MCU_SAMD21
|
||||
|
||||
# All source paths should be relative to the top level.
|
||||
LD_FILE = hw/bsp/feather_m0_express/samd21g18a_flash.ld
|
||||
|
||||
SRC_C += \
|
||||
hw/mcu/microchip/samd/asf4/samd21/gcc/gcc/startup_samd21.c \
|
||||
hw/mcu/microchip/samd/asf4/samd21/gcc/system_samd21.c \
|
||||
hw/mcu/microchip/samd/asf4/samd21/hpl/gclk/hpl_gclk.c \
|
||||
hw/mcu/microchip/samd/asf4/samd21/hpl/pm/hpl_pm.c \
|
||||
hw/mcu/microchip/samd/asf4/samd21/hpl/sysctrl/hpl_sysctrl.c \
|
||||
hw/mcu/microchip/samd/asf4/samd21/hal/src/hal_atomic.c
|
||||
|
||||
INC += \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/ \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/config \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/include \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hal/include \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hal/utils/include \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd51/hpl/pm/ \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hpl/port \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/hri \
|
||||
$(TOP)/hw/mcu/microchip/samd/asf4/samd21/CMSIS/Include
|
||||
|
||||
# For TinyUSB port source
|
||||
VENDOR = microchip
|
||||
CHIP_FAMILY = samd21
|
||||
|
||||
# For freeRTOS port source
|
||||
FREERTOS_PORT = ARM_CM0
|
||||
|
||||
# For flash-jlink target
|
||||
JLINK_DEVICE = ATSAMD21G18
|
||||
JLINK_IF = swd
|
||||
|
||||
# flash using jlink
|
||||
flash: flash-jlink
|
||||
|
|
@ -0,0 +1,130 @@
|
|||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 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.
|
||||
*/
|
||||
|
||||
#include "bsp/board.h"
|
||||
|
||||
#include "sam.h"
|
||||
#include "hal/include/hal_gpio.h"
|
||||
#include "hal/include/hal_init.h"
|
||||
#include "hri/hri_nvmctrl_d21.h"
|
||||
|
||||
#include "hpl/gclk/hpl_gclk_base.h"
|
||||
#include "hpl_pm_config.h"
|
||||
#include "hpl/pm/hpl_pm_base.h"
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// 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)
|
||||
|
||||
/* Not referenced GCLKs, initialized last */
|
||||
#define _GCLK_INIT_LAST (~_GCLK_INIT_1ST)
|
||||
|
||||
void board_init(void)
|
||||
{
|
||||
// Clock init ( follow hpl_init.c )
|
||||
hri_nvmctrl_set_CTRLB_RWS_bf(NVMCTRL, 2);
|
||||
|
||||
_pm_init();
|
||||
_sysctrl_init_sources();
|
||||
#if _GCLK_INIT_1ST
|
||||
_gclk_init_generators_by_fref(_GCLK_INIT_1ST);
|
||||
#endif
|
||||
_sysctrl_init_referenced_generators();
|
||||
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
|
||||
|
||||
// Led init
|
||||
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(LED_PIN, 0);
|
||||
|
||||
// Button init
|
||||
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
|
||||
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
|
||||
|
||||
#if CFG_TUSB_OS == OPT_OS_NONE
|
||||
// 1ms tick timer (samd SystemCoreClock may not correct)
|
||||
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
|
||||
#endif
|
||||
|
||||
/* USB Clock init
|
||||
* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
|
||||
* for low speed and full speed operation. */
|
||||
_pm_enable_bus_clock(PM_BUS_APBB, USB);
|
||||
_pm_enable_bus_clock(PM_BUS_AHB, USB);
|
||||
_gclk_enable_channel(USB_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
|
||||
|
||||
// USB Pin Init
|
||||
gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(PIN_PA24, false);
|
||||
gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF);
|
||||
gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT);
|
||||
gpio_set_pin_level(PIN_PA25, false);
|
||||
gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF);
|
||||
|
||||
gpio_set_pin_function(PIN_PA24, PINMUX_PA24G_USB_DM);
|
||||
gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP);
|
||||
|
||||
// Output 500hz PWM on D12 (PA19 - TCC0 WO[3]) so we can validate the GCLK0 clock speed with a Saleae.
|
||||
_pm_enable_bus_clock(PM_BUS_APBC, TCC0);
|
||||
TCC0->PER.bit.PER = 48000000 / 1000;
|
||||
TCC0->CC[3].bit.CC = 48000000 / 2000;
|
||||
TCC0->CTRLA.bit.ENABLE = true;
|
||||
|
||||
gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3);
|
||||
_gclk_enable_channel(TCC0_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Board porting API
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
void board_led_write(bool state)
|
||||
{
|
||||
gpio_set_pin_level(LED_PIN, state);
|
||||
}
|
||||
|
||||
uint32_t board_button_read(void)
|
||||
{
|
||||
// button is active low
|
||||
return gpio_get_pin_level(BUTTON_PIN) ? 0 : 1;
|
||||
}
|
||||
|
||||
#if CFG_TUSB_OS == OPT_OS_NONE
|
||||
volatile uint32_t system_ticks = 0;
|
||||
void SysTick_Handler (void)
|
||||
{
|
||||
system_ticks++;
|
||||
}
|
||||
|
||||
uint32_t board_millis(void)
|
||||
{
|
||||
return system_ticks;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,144 @@
|
|||
/**
|
||||
* \file
|
||||
*
|
||||
* \brief Linker script for running in internal FLASH on the SAMD21G18A
|
||||
*
|
||||
* Copyright (c) 2017 Microchip Technology Inc.
|
||||
*
|
||||
* \asf_license_start
|
||||
*
|
||||
* \page License
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the Licence at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* \asf_license_stop
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
|
||||
OUTPUT_ARCH(arm)
|
||||
SEARCH_DIR(.)
|
||||
|
||||
/* Memory Spaces Definitions */
|
||||
MEMORY
|
||||
{
|
||||
rom (rx) : ORIGIN = 0x00000000 + 8K, LENGTH = 0x00040000 - 8K
|
||||
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000
|
||||
}
|
||||
|
||||
/* The stack size used by the application. NOTE: you need to adjust according to your application. */
|
||||
STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
|
||||
|
||||
/* Section Definitions */
|
||||
SECTIONS
|
||||
{
|
||||
.text :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sfixed = .;
|
||||
KEEP(*(.vectors .vectors.*))
|
||||
*(.text .text.* .gnu.linkonce.t.*)
|
||||
*(.glue_7t) *(.glue_7)
|
||||
*(.rodata .rodata* .gnu.linkonce.r.*)
|
||||
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
||||
|
||||
/* Support C constructors, and C destructors in both user code
|
||||
and the C library. This also provides support for C++ code. */
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.init))
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP (*crtbegin.o(.ctors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*crtend.o(.ctors))
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.fini))
|
||||
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
|
||||
KEEP (*crtbegin.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*crtend.o(.dtors))
|
||||
|
||||
. = ALIGN(4);
|
||||
_efixed = .; /* End of text section */
|
||||
} > rom
|
||||
|
||||
/* .ARM.exidx is sorted, so has to go in its own output section. */
|
||||
PROVIDE_HIDDEN (__exidx_start = .);
|
||||
.ARM.exidx :
|
||||
{
|
||||
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
||||
} > rom
|
||||
PROVIDE_HIDDEN (__exidx_end = .);
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .;
|
||||
|
||||
.relocate : AT (_etext)
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_srelocate = .;
|
||||
*(.ramfunc .ramfunc.*);
|
||||
*(.data .data.*);
|
||||
. = ALIGN(4);
|
||||
_erelocate = .;
|
||||
} > ram
|
||||
|
||||
/* .bss section which is used for uninitialized data */
|
||||
.bss (NOLOAD) :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sbss = . ;
|
||||
_szero = .;
|
||||
*(.bss .bss.*)
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = . ;
|
||||
_ezero = .;
|
||||
end = .;
|
||||
} > ram
|
||||
|
||||
/* stack section */
|
||||
.stack (NOLOAD):
|
||||
{
|
||||
. = ALIGN(8);
|
||||
_sstack = .;
|
||||
. = . + STACK_SIZE;
|
||||
. = ALIGN(8);
|
||||
_estack = .;
|
||||
} > ram
|
||||
|
||||
. = ALIGN(4);
|
||||
_end = . ;
|
||||
}
|
||||
|
|
@ -36,7 +36,7 @@
|
|||
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
|
||||
//--------------------------------------------------------------------+
|
||||
#define LED_PIN 23
|
||||
#define BUTTON_PIN 22 // pin D12
|
||||
#define BUTTON_PIN 16 // pin D5
|
||||
|
||||
/* Referenced GCLKs, should be initialized firstly */
|
||||
#define _GCLK_INIT_1ST 0xFFFFFFFF
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@
|
|||
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
|
||||
//--------------------------------------------------------------------+
|
||||
#define LED_PIN 17
|
||||
#define BUTTON_PIN 14 // pin D2
|
||||
#define BUTTON_PIN 15 // pin D5
|
||||
|
||||
/* Referenced GCLKs, should be initialized firstly */
|
||||
#define _GCLK_INIT_1ST (1 << 0 | 1 << 1)
|
||||
|
|
|
|||
|
|
@ -36,7 +36,7 @@
|
|||
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
|
||||
//--------------------------------------------------------------------+
|
||||
#define LED_PIN 16
|
||||
#define BUTTON_PIN 17 // pin D12
|
||||
#define BUTTON_PIN (14 + 32) // pin D5
|
||||
|
||||
/* Referenced GCLKs, should be initialized firstly */
|
||||
#define _GCLK_INIT_1ST 0xFFFFFFFF
|
||||
|
|
|
|||
|
|
@ -60,15 +60,13 @@
|
|||
|
||||
// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
|
||||
#define TU_BREAKPOINT() do \
|
||||
{ \
|
||||
volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
|
||||
if ( (*ARM_CM_DHCSR) & 1UL ) __asm("BKPT #0\n"); /* Only halt mcu if debugger is attached */ \
|
||||
} while(0)
|
||||
|
||||
#define TU_BREAKPOINT() do \
|
||||
{ \
|
||||
volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
|
||||
if ( (*ARM_CM_DHCSR) & 1UL ) __asm("BKPT #0\n"); /* Only halt mcu if debugger is attached */ \
|
||||
} while(0)
|
||||
#else
|
||||
#define TU_BREAKPOINT()
|
||||
#define TU_BREAKPOINT()
|
||||
#endif
|
||||
|
||||
/*------------------------------------------------------------------*/
|
||||
|
|
|
|||
|
|
@ -69,7 +69,7 @@
|
|||
* - M3/M4 can transfer nbytes = 1023 (maximum)
|
||||
*/
|
||||
enum {
|
||||
#ifdef __ARM_ARCH_6M__ // Cortex M0/M0+
|
||||
#ifdef __ARM_ARCH_6M__ // Cortex M0/M0+
|
||||
DMA_NBYTES_MAX = 64
|
||||
#else
|
||||
DMA_NBYTES_MAX = 1023
|
||||
|
|
|
|||
Loading…
Reference in New Issue