diff options
Diffstat (limited to 'tinyusb/hw/bsp/mbed1768')
| -rwxr-xr-x | tinyusb/hw/bsp/mbed1768/board.mk | 45 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/mbed1768/lpc1768.ld | 184 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/mbed1768/mbed1768.c | 197 |
3 files changed, 426 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/mbed1768/board.mk b/tinyusb/hw/bsp/mbed1768/board.mk new file mode 100755 index 00000000..e99df9f0 --- /dev/null +++ b/tinyusb/hw/bsp/mbed1768/board.mk @@ -0,0 +1,45 @@ +DEPS_SUBMODULES += hw/mcu/nxp/lpcopen + +CFLAGS += \ + -flto \ + -mthumb \ + -mabi=aapcs \ + -mcpu=cortex-m3 \ + -nostdlib \ + -DCORE_M3 \ + -D__USE_LPCOPEN \ + -DCFG_TUSB_MCU=OPT_MCU_LPC175X_6X \ + -DRTC_EV_SUPPORT=0 + +# startup.c and lpc_types.h cause following errors +CFLAGS += -Wno-error=strict-prototypes + +MCU_DIR = hw/mcu/nxp/lpcopen/lpc175x_6x/lpc_chip_175x_6x + +# All source paths should be relative to the top level. +LD_FILE = hw/bsp/$(BOARD)/lpc1768.ld + +SRC_C += \ + src/portable/nxp/lpc17_40/dcd_lpc17_40.c \ + $(MCU_DIR)/../gcc/cr_startup_lpc175x_6x.c \ + $(MCU_DIR)/src/chip_17xx_40xx.c \ + $(MCU_DIR)/src/clock_17xx_40xx.c \ + $(MCU_DIR)/src/gpio_17xx_40xx.c \ + $(MCU_DIR)/src/iocon_17xx_40xx.c \ + $(MCU_DIR)/src/sysctl_17xx_40xx.c \ + $(MCU_DIR)/src/sysinit_17xx_40xx.c \ + $(MCU_DIR)/src/uart_17xx_40xx.c + +INC += \ + $(TOP)/$(MCU_DIR)/inc + +# For freeRTOS port source +FREERTOS_PORT = ARM_CM3 + +# For flash-jlink target +JLINK_DEVICE = LPC1768 + +# flash using pyocd +flash: $(BUILD)/$(PROJECT).hex + pyocd flash -t lpc1768 $< + diff --git a/tinyusb/hw/bsp/mbed1768/lpc1768.ld b/tinyusb/hw/bsp/mbed1768/lpc1768.ld new file mode 100755 index 00000000..d1c83d8e --- /dev/null +++ b/tinyusb/hw/bsp/mbed1768/lpc1768.ld @@ -0,0 +1,184 @@ +/* + * GENERATED FILE - DO NOT EDIT + * (c) Code Red Technologies Ltd, 2008-2013 + * (c) NXP Semiconductors 2013-2019 + * Generated linker script file for LPC1769 + * Created from linkscript.ldt by FMCreateLinkLibraries + * Using Freemarker v2.3.23 + * MCUXpresso IDE v10.2.1 [Build 795] [2018-07-25] on May 14, 2019 6:39:29 PM + */ + +MEMORY +{ + /* Define each memory region */ + MFlash512 (rx) : ORIGIN = 0x0, LENGTH = 0x80000 /* 512K bytes (alias Flash) */ + RamLoc32 (rwx) : ORIGIN = 0x10000000, LENGTH = 0x8000 /* 32K bytes (alias RAM) */ + RamAHB32 (rwx) : ORIGIN = 0x2007c000, LENGTH = 0x8000 /* 32K bytes (alias RAM2) */ +} + + /* Define a symbol for the top of each memory region */ + __base_MFlash512 = 0x0 ; /* MFlash512 */ + __base_Flash = 0x0 ; /* Flash */ + __top_MFlash512 = 0x0 + 0x80000 ; /* 512K bytes */ + __top_Flash = 0x0 + 0x80000 ; /* 512K bytes */ + __base_RamLoc32 = 0x10000000 ; /* RamLoc32 */ + __base_RAM = 0x10000000 ; /* RAM */ + __top_RamLoc32 = 0x10000000 + 0x8000 ; /* 32K bytes */ + __top_RAM = 0x10000000 + 0x8000 ; /* 32K bytes */ + __base_RamAHB32 = 0x2007c000 ; /* RamAHB32 */ + __base_RAM2 = 0x2007c000 ; /* RAM2 */ + __top_RamAHB32 = 0x2007c000 + 0x8000 ; /* 32K bytes */ + __top_RAM2 = 0x2007c000 + 0x8000 ; /* 32K bytes */ + +ENTRY(ResetISR) + +SECTIONS +{ + /* MAIN TEXT SECTION */ + .text : ALIGN(4) + { + FILL(0xff) + __vectors_start__ = ABSOLUTE(.) ; + KEEP(*(.isr_vector)) + /* Global Section Table */ + . = ALIGN(4) ; + __section_table_start = .; + __data_section_table = .; + LONG(LOADADDR(.data)); + LONG( ADDR(.data)); + LONG( SIZEOF(.data)); + LONG(LOADADDR(.data_RAM2)); + LONG( ADDR(.data_RAM2)); + LONG( SIZEOF(.data_RAM2)); + __data_section_table_end = .; + __bss_section_table = .; + LONG( ADDR(.bss)); + LONG( SIZEOF(.bss)); + LONG( ADDR(.bss_RAM2)); + LONG( SIZEOF(.bss_RAM2)); + __bss_section_table_end = .; + __section_table_end = . ; + /* End of Global Section Table */ + + *(.after_vectors*) + + } > MFlash512 + + .text : ALIGN(4) + { + *(.text*) + *(.rodata .rodata.* .constdata .constdata.*) + . = ALIGN(4); + } > MFlash512 + /* + * for exception handling/unwind - some Newlib functions (in common + * with C++ and STDC++) use this. + */ + .ARM.extab : ALIGN(4) + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > MFlash512 + + __exidx_start = .; + + .ARM.exidx : ALIGN(4) + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > MFlash512 + __exidx_end = .; + + _etext = .; + + /* DATA section for RamAHB32 */ + + .data_RAM2 : ALIGN(4) + { + FILL(0xff) + PROVIDE(__start_data_RAM2 = .) ; + *(.ramfunc.$RAM2) + *(.ramfunc.$RamAHB32) + *(.data.$RAM2*) + *(.data.$RamAHB32*) + . = ALIGN(4) ; + PROVIDE(__end_data_RAM2 = .) ; + } > RamAHB32 AT>MFlash512 + /* MAIN DATA SECTION */ + .uninit_RESERVED : ALIGN(4) + { + KEEP(*(.bss.$RESERVED*)) + . = ALIGN(4) ; + _end_uninit_RESERVED = .; + } > RamLoc32 + + /* Main DATA section (RamLoc32) */ + .data : ALIGN(4) + { + FILL(0xff) + _data = . ; + *(vtable) + *(.ramfunc*) + *(.data*) + . = ALIGN(4) ; + _edata = . ; + } > RamLoc32 AT>MFlash512 + + /* BSS section for RamAHB32 */ + .bss_RAM2 : ALIGN(4) + { + PROVIDE(__start_bss_RAM2 = .) ; + *(.bss.$RAM2*) + *(.bss.$RamAHB32*) + . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */ + PROVIDE(__end_bss_RAM2 = .) ; + } > RamAHB32 + + /* MAIN BSS SECTION */ + .bss : ALIGN(4) + { + _bss = .; + *(.bss*) + *(COMMON) + . = ALIGN(4) ; + _ebss = .; + PROVIDE(end = .); + } > RamLoc32 + + /* NOINIT section for RamAHB32 */ + .noinit_RAM2 (NOLOAD) : ALIGN(4) + { + *(.noinit.$RAM2*) + *(.noinit.$RamAHB32*) + . = ALIGN(4) ; + } > RamAHB32 + + /* DEFAULT NOINIT SECTION */ + .noinit (NOLOAD): ALIGN(4) + { + _noinit = .; + *(.noinit*) + . = ALIGN(4) ; + _end_noinit = .; + } > RamLoc32 + PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .); + PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0); + + /* ## Create checksum value (used in startup) ## */ + PROVIDE(__valid_user_code_checksum = 0 - + (_vStackTop + + (ResetISR + 1) + + (NMI_Handler + 1) + + (HardFault_Handler + 1) + + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1) /* MemManage_Handler may not be defined */ + + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1) /* BusFault_Handler may not be defined */ + + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */ + ) ); + + /* Provide basic symbols giving location and size of main text + * block, including initial values of RW data sections. Note that + * these will need extending to give a complete picture with + * complex images (e.g multiple Flash banks). + */ + _image_start = LOADADDR(.text); + _image_end = LOADADDR(.data) + SIZEOF(.data); + _image_size = _image_end - _image_start; +}
\ No newline at end of file diff --git a/tinyusb/hw/bsp/mbed1768/mbed1768.c b/tinyusb/hw/bsp/mbed1768/mbed1768.c new file mode 100755 index 00000000..5495ed16 --- /dev/null +++ b/tinyusb/hw/bsp/mbed1768/mbed1768.c @@ -0,0 +1,197 @@ +/* + * 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 "chip.h" +#include "../board.h" + +#define LED_PORT 1 +#define LED_PIN 18 +#define LED_STATE_ON 1 + +// JOYSTICK_DOWN if using LPCXpresso Base Board +#define BUTTON_PORT 0 +#define BUTTON_PIN 15 +#define BUTTON_STATE_ACTIVE 0 + +#define BOARD_UART_PORT LPC_UART3 + +/* System oscillator rate and RTC oscillator rate */ +const uint32_t OscRateIn = 10000000; +const uint32_t RTCOscRateIn = 32768; + +/* Pin muxing configuration */ +static const PINMUX_GRP_T pinmuxing[] = +{ + {LED_PORT, LED_PIN, IOCON_MODE_INACT | IOCON_FUNC0}, + {BUTTON_PORT, BUTTON_PIN, IOCON_FUNC0 | IOCON_MODE_PULLUP}, +}; + +static const PINMUX_GRP_T pin_usb_mux[] = +{ + {0, 29, IOCON_MODE_INACT | IOCON_FUNC1}, // D+ + {0, 30, IOCON_MODE_INACT | IOCON_FUNC1}, // D- + {2, 9, IOCON_MODE_INACT | IOCON_FUNC1}, // Connect + + {1, 19, IOCON_MODE_INACT | IOCON_FUNC2}, // USB_PPWR + {1, 22, IOCON_MODE_INACT | IOCON_FUNC2}, // USB_PWRD + + /* VBUS is not connected on this board, so leave the pin at default setting. */ + /*Chip_IOCON_PinMux(LPC_IOCON, 1, 30, IOCON_MODE_INACT, IOCON_FUNC2);*/ /* USB VBUS */ +}; + +// Invoked by startup code +void SystemInit(void) +{ +#ifdef __USE_LPCOPEN + extern void (* const g_pfnVectors[])(void); + unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08; + *pSCB_VTOR = (unsigned int) g_pfnVectors; +#endif + + Chip_IOCON_Init(LPC_IOCON); + Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T)); + Chip_SetupXtalClocking(); +} + +void board_init(void) +{ + SystemCoreClockUpdate(); + +#if CFG_TUSB_OS == OPT_OS_NONE + // 1ms tick timer + SysTick_Config(SystemCoreClock / 1000); +#elif CFG_TUSB_OS == OPT_OS_FREERTOS + // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) + NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); +#endif + + Chip_GPIO_Init(LPC_GPIO); + + // LED + Chip_GPIO_SetPinDIROutput(LPC_GPIO, LED_PORT, LED_PIN); + + // Button + Chip_GPIO_SetPinDIRInput(LPC_GPIO, BUTTON_PORT, BUTTON_PIN); + +#if 0 + //------------- UART -------------// + PINSEL_CFG_Type PinCfg = + { + .Portnum = 0, + .Pinnum = 0, // TXD is P0.0 + .Funcnum = 2, + .OpenDrain = 0, + .Pinmode = 0 + }; + PINSEL_ConfigPin(&PinCfg); + + PinCfg.Portnum = 0; + PinCfg.Pinnum = 1; // RXD is P0.1 + PINSEL_ConfigPin(&PinCfg); + + UART_CFG_Type UARTConfigStruct; + UART_ConfigStructInit(&UARTConfigStruct); + UARTConfigStruct.Baud_rate = CFG_BOARD_UART_BAUDRATE; + + UART_Init(BOARD_UART_PORT, &UARTConfigStruct); + UART_TxCmd(BOARD_UART_PORT, ENABLE); // Enable UART Transmit +#endif + + //------------- USB -------------// + Chip_IOCON_SetPinMuxing(LPC_IOCON, pin_usb_mux, sizeof(pin_usb_mux) / sizeof(PINMUX_GRP_T)); + Chip_USB_Init(); + + enum { + USBCLK_DEVCIE = 0x12, // AHB + Device + USBCLK_HOST = 0x19, // AHB + Host + OTG +// 0x1B // Host + Device + OTG + AHB + }; + + uint32_t const clk_en = TUSB_OPT_DEVICE_ENABLED ? USBCLK_DEVCIE : USBCLK_HOST; + + LPC_USB->OTGClkCtrl = clk_en; + while ( (LPC_USB->OTGClkSt & clk_en) != clk_en ); + +#if TUSB_OPT_HOST_ENABLED + // set portfunc to host !!! + LPC_USB->StCtrl = 0x3; // should be 1 +#endif +} + +//--------------------------------------------------------------------+ +// USB Interrupt Handler +//--------------------------------------------------------------------+ +void USB_IRQHandler(void) +{ + #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST + tuh_int_handler(0); + #endif + + #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE + tud_int_handler(0); + #endif +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + Chip_GPIO_SetPinState(LPC_GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); +} + +uint32_t board_button_read(void) +{ + return BUTTON_STATE_ACTIVE == Chip_GPIO_GetPinState(LPC_GPIO, BUTTON_PORT, BUTTON_PIN); +} + +int board_uart_read(uint8_t* buf, int len) +{ +// return UART_ReceiveByte(BOARD_UART_PORT); + (void) buf; (void) len; + return 0; +} + +int board_uart_write(void const * buf, int len) +{ +// UART_Send(BOARD_UART_PORT, &c, 1, BLOCKING); + (void) buf; (void) len; + return 0; +} + +#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 |