diff options
Diffstat (limited to 'tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c')
| -rwxr-xr-x | tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c b/tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c deleted file mode 100755 index 11f1797a..00000000 --- a/tinyusb/hw/bsp/lpcxpresso11u37/lpcxpresso11u37.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * 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 |