diff options
Diffstat (limited to 'tinyusb/hw/bsp/lpcxpresso11u37')
| -rwxr-xr-x | tinyusb/hw/bsp/lpcxpresso11u37/board.mk | 45 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/lpcxpresso11u37/lpc11u37.ld | 195 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c | 208 |
3 files changed, 448 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/lpcxpresso11u37/board.mk b/tinyusb/hw/bsp/lpcxpresso11u37/board.mk new file mode 100755 index 00000000..8fcda51e --- /dev/null +++ b/tinyusb/hw/bsp/lpcxpresso11u37/board.mk @@ -0,0 +1,45 @@ +DEPS_SUBMODULES += hw/mcu/nxp/lpcopen + +CFLAGS += \ + -flto \ + -mthumb \ + -mabi=aapcs \ + -mcpu=cortex-m0 \ + -nostdlib \ + -DCORE_M0 \ + -D__USE_LPCOPEN \ + -DCFG_EXAMPLE_MSC_READONLY \ + -DCFG_TUSB_MCU=OPT_MCU_LPC11UXX \ + -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data.$$RAM2")))' \ + -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' + +# mcu driver cause following warnings +CFLAGS += -Wno-error=strict-prototypes -Wno-error=unused-parameter + +MCU_DIR = hw/mcu/nxp/lpcopen/lpc11uxx/lpc_chip_11uxx + +# All source paths should be relative to the top level. +LD_FILE = hw/bsp/$(BOARD)/lpc11u37.ld + +SRC_C += \ + src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c \ + $(MCU_DIR)/../gcc/cr_startup_lpc11xx.c \ + $(MCU_DIR)/src/chip_11xx.c \ + $(MCU_DIR)/src/clock_11xx.c \ + $(MCU_DIR)/src/gpio_11xx_1.c \ + $(MCU_DIR)/src/iocon_11xx.c \ + $(MCU_DIR)/src/sysctl_11xx.c \ + $(MCU_DIR)/src/sysinit_11xx.c + +INC += \ + $(TOP)/$(MCU_DIR)/inc + +# For freeRTOS port source +FREERTOS_PORT = ARM_CM0 + +# For flash-jlink target +JLINK_DEVICE = LPC11U37/401 + +# flash using pyocd +flash: $(BUILD)/$(PROJECT).hex + pyocd flash -t lpc11u37 $< diff --git a/tinyusb/hw/bsp/lpcxpresso11u37/lpc11u37.ld b/tinyusb/hw/bsp/lpcxpresso11u37/lpc11u37.ld new file mode 100755 index 00000000..6a2dfb7f --- /dev/null +++ b/tinyusb/hw/bsp/lpcxpresso11u37/lpc11u37.ld @@ -0,0 +1,195 @@ +/* + * GENERATED FILE - DO NOT EDIT + * Copyright (c) 2008-2013 Code Red Technologies Ltd, + * Copyright 2015, 2018-2019 NXP + * (c) NXP Semiconductors 2013-2019 + * Generated linker script file for LPC11U37/401 + * Created from linkscript.ldt by FMCreateLinkLibraries + * Using Freemarker v2.3.23 + * MCUXpresso IDE v11.0.0 [Build 2516] [2019-06-05] on Sep 6, 2019 12:16:06 PM + */ + +MEMORY +{ + /* Define each memory region */ + MFlash128 (rx) : ORIGIN = 0x0, LENGTH = 0x20000 /* 128K bytes (alias Flash) */ + RamLoc8 (rwx) : ORIGIN = 0x10000000, LENGTH = 0x2000 /* 8K bytes (alias RAM) */ + RamUsb2 (rwx) : ORIGIN = 0x20004000, LENGTH = 0x800 /* 2K bytes (alias RAM2) */ +} + + /* Define a symbol for the top of each memory region */ + __base_MFlash128 = 0x0 ; /* MFlash128 */ + __base_Flash = 0x0 ; /* Flash */ + __top_MFlash128 = 0x0 + 0x20000 ; /* 128K bytes */ + __top_Flash = 0x0 + 0x20000 ; /* 128K bytes */ + __base_RamLoc8 = 0x10000000 ; /* RamLoc8 */ + __base_RAM = 0x10000000 ; /* RAM */ + __top_RamLoc8 = 0x10000000 + 0x2000 ; /* 8K bytes */ + __top_RAM = 0x10000000 + 0x2000 ; /* 8K bytes */ + __base_RamUsb2 = 0x20004000 ; /* RamUsb2 */ + __base_RAM2 = 0x20004000 ; /* RAM2 */ + __top_RamUsb2 = 0x20004000 + 0x800 ; /* 2K bytes */ + __top_RAM2 = 0x20004000 + 0x800 ; /* 2K 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*) + + } > MFlash128 + + .text : ALIGN(4) + { + *(.text*) + *(.rodata .rodata.* .constdata .constdata.*) + . = ALIGN(4); + } > MFlash128 + /* + * for exception handling/unwind - some Newlib functions (in common + * with C++ and STDC++) use this. + */ + .ARM.extab : ALIGN(4) + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > MFlash128 + + __exidx_start = .; + + .ARM.exidx : ALIGN(4) + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > MFlash128 + __exidx_end = .; + + _etext = .; + + /* DATA section for RamUsb2 */ + + .data_RAM2 : ALIGN(4) + { + FILL(0xff) + PROVIDE(__start_data_RAM2 = .) ; + *(.ramfunc.$RAM2) + *(.ramfunc.$RamUsb2) + *(.data.$RAM2) + *(.data.$RamUsb2) + *(.data.$RAM2.*) + *(.data.$RamUsb2.*) + . = ALIGN(4) ; + PROVIDE(__end_data_RAM2 = .) ; + } > RamUsb2 AT>MFlash128 + /* MAIN DATA SECTION */ + .uninit_RESERVED (NOLOAD) : + { + . = ALIGN(4) ; + KEEP(*(.bss.$RESERVED*)) + . = ALIGN(4) ; + _end_uninit_RESERVED = .; + } > RamLoc8 + + /* Main DATA section (RamLoc8) */ + .data : ALIGN(4) + { + FILL(0xff) + _data = . ; + *(vtable) + *(.ramfunc*) + *(.data*) + . = ALIGN(4) ; + _edata = . ; + } > RamLoc8 AT>MFlash128 + + /* BSS section for RamUsb2 */ + .bss_RAM2 : + { + . = ALIGN(4) ; + PROVIDE(__start_bss_RAM2 = .) ; + *(.bss.$RAM2) + *(.bss.$RamUsb2) + *(.bss.$RAM2.*) + *(.bss.$RamUsb2.*) + . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */ + PROVIDE(__end_bss_RAM2 = .) ; + } > RamUsb2 + + /* MAIN BSS SECTION */ + .bss : + { + . = ALIGN(4) ; + _bss = .; + *(.bss*) + *(COMMON) + . = ALIGN(4) ; + _ebss = .; + PROVIDE(end = .); + } > RamLoc8 + + /* NOINIT section for RamUsb2 */ + .noinit_RAM2 (NOLOAD) : + { + . = ALIGN(4) ; + *(.noinit.$RAM2) + *(.noinit.$RamUsb2) + *(.noinit.$RAM2.*) + *(.noinit.$RamUsb2.*) + . = ALIGN(4) ; + } > RamUsb2 + + /* DEFAULT NOINIT SECTION */ + .noinit (NOLOAD): + { + . = ALIGN(4) ; + _noinit = .; + *(.noinit*) + . = ALIGN(4) ; + _end_noinit = .; + } > RamLoc8 + PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .); + PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc8 - 0); + + /* ## Create checksum value (used in startup) ## */ + PROVIDE(__valid_user_code_checksum = 0 - + (_vStackTop + + (ResetISR + 1) + + (( DEFINED(NMI_Handler) ? NMI_Handler : M0_NMI_Handler ) + 1) + + (( DEFINED(HardFault_Handler) ? HardFault_Handler : M0_HardFault_Handler ) + 1) + ) + ); + + /* 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/lpcxpresso11u37/lpcxpresso11u37.c b/tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c new file mode 100755 index 00000000..11f1797a --- /dev/null +++ b/tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c @@ -0,0 +1,208 @@ +/* + * 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" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void USB_IRQHandler(void) +{ + tud_int_handler(0); +} + +//---------------------------------------------------------------- ----+ +// MACRO TYPEDEF CONSTANT ENUM +//--------------------------------------------------------------------+ +#define LED_PORT 1 +#define LED_PIN 24 +#define LED_STATE_ON 0 + +// Wake up Switch +#define BUTTON_PORT 0 +#define BUTTON_PIN 16 +#define BUTTON_STATE_ACTIVE 0 + +/* System oscillator rate and RTC oscillator rate */ +const uint32_t OscRateIn = 12000000; +const uint32_t ExtRateIn = 0; + +/* Pin muxing table, only items that need changing from their default pin + state are in this table. Not every pin is mapped. */ +/* IOCON pin definitions for pin muxing */ +typedef struct { + uint32_t port : 8; /* Pin port */ + uint32_t pin : 8; /* Pin number */ + uint32_t modefunc : 16; /* Function and mode */ +} PINMUX_GRP_T; + +static const PINMUX_GRP_T pinmuxing[] = +{ + {0, 3, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, // USB VBUS + {0, 6, (IOCON_FUNC1 | IOCON_MODE_INACT)}, /* PIO0_6 used for USB_CONNECT */ + + {0, 18, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, // UART0 RX + {0, 19, (IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGMODE_EN)}, // UART0 TX +}; + +/* Setup system clocking */ +static void SystemSetupClocking(void) +{ + volatile int i; + + /* Powerup main oscillator */ + Chip_SYSCTL_PowerUp(SYSCTL_POWERDOWN_SYSOSC_PD); + + /* Wait 200us for OSC to be stablized, no status + indication, dummy wait. */ + for (i = 0; i < 0x100; i++) {} + + /* Set system PLL input to main oscillator */ + Chip_Clock_SetSystemPLLSource(SYSCTL_PLLCLKSRC_MAINOSC); + + /* Power down PLL to change the PLL divider ratio */ + Chip_SYSCTL_PowerDown(SYSCTL_POWERDOWN_SYSPLL_PD); + + /* Setup PLL for main oscillator rate (FCLKIN = 12MHz) * 4 = 48MHz + MSEL = 3 (this is pre-decremented), PSEL = 1 (for P = 2) + FCLKOUT = FCLKIN * (MSEL + 1) = 12MHz * 4 = 48MHz + FCCO = FCLKOUT * 2 * P = 48MHz * 2 * 2 = 192MHz (within FCCO range) */ + Chip_Clock_SetupSystemPLL(3, 1); + + /* Powerup system PLL */ + Chip_SYSCTL_PowerUp(SYSCTL_POWERDOWN_SYSPLL_PD); + + /* Wait for PLL to lock */ + while (!Chip_Clock_IsSystemPLLLocked()) {} + + /* Set system clock divider to 1 */ + Chip_Clock_SetSysClockDiv(1); + + /* Setup FLASH access to 3 clocks */ + Chip_FMC_SetFLASHAccess(FLASHTIM_50MHZ_CPU); + + /* Set main clock source to the system PLL. This will drive 48MHz + for the main clock and 48MHz for the system clock */ + Chip_Clock_SetMainClockSource(SYSCTL_MAINCLKSRC_PLLOUT); + + /* Set USB PLL input to main oscillator */ + Chip_Clock_SetUSBPLLSource(SYSCTL_PLLCLKSRC_MAINOSC); + /* Setup USB PLL (FCLKIN = 12MHz) * 4 = 48MHz + MSEL = 3 (this is pre-decremented), PSEL = 1 (for P = 2) + FCLKOUT = FCLKIN * (MSEL + 1) = 12MHz * 4 = 48MHz + FCCO = FCLKOUT * 2 * P = 48MHz * 2 * 2 = 192MHz (within FCCO range) */ + Chip_Clock_SetupUSBPLL(3, 1); + + /* Powerup USB PLL */ + Chip_SYSCTL_PowerUp(SYSCTL_POWERDOWN_USBPLL_PD); + + /* Wait for PLL to lock */ + while (!Chip_Clock_IsUSBPLLLocked()) {} +} + +// Invoked by startup code +void SystemInit(void) +{ + SystemSetupClocking(); + Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_RAM1); + + /* Enable IOCON clock */ + Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON); + for (uint32_t i = 0; i < (sizeof(pinmuxing) / sizeof(PINMUX_GRP_T)); i++) + { + Chip_IOCON_PinMuxSet(LPC_IOCON, pinmuxing[i].port, pinmuxing[i].pin, pinmuxing[i].modefunc); + } +} + +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(USB0_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); + + // USB: Setup PLL clock, and power + /* enable USB main clock */ + Chip_Clock_SetUSBClockSource(SYSCTL_USBCLKSRC_PLLOUT, 1); + /* Enable AHB clock to the USB block and USB RAM. */ + Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_USB); + Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_USBRAM); + /* power UP USB Phy */ + Chip_SYSCTL_PowerUp(SYSCTL_POWERDOWN_USBPAD_PD); +} + +//--------------------------------------------------------------------+ +// 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) +{ + (void) buf; (void) len; + return 0; +} + +int board_uart_write(void const * buf, int len) +{ + (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 |