136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/* metadata:
|
|
manufacturer: NXP
|
|
*/
|
|
|
|
#ifdef __GNUC__
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-parameter"
|
|
#endif
|
|
|
|
#include "chip.h"
|
|
|
|
#ifdef __GNUC__
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
#include "bsp/board_api.h"
|
|
#include "board.h"
|
|
|
|
extern void USB_IRQHandler(void);
|
|
extern void SysTick_Handler(void);
|
|
void SystemInit(void);
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Forward USB interrupt events to TinyUSB IRQ Handler
|
|
//--------------------------------------------------------------------+
|
|
void USB_IRQHandler(void) {
|
|
tud_int_handler(0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// MACRO TYPEDEF CONSTANT ENUM
|
|
//--------------------------------------------------------------------+
|
|
|
|
// Invoked by startup code
|
|
void SystemInit(void) {
|
|
/* 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);
|
|
}
|
|
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(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
|
|
Chip_USB_Init();
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// 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));
|
|
}
|
|
|
|
size_t board_get_unique_id(uint8_t id[], size_t max_len) {
|
|
if ( max_len < 16 ) return 0;
|
|
uint32_t* id32 = (uint32_t*) (uintptr_t) id;
|
|
id32[0] = Chip_IAP_ReadUID();
|
|
return 4;
|
|
}
|
|
|
|
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
|