173 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			173 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 
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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
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|  * copies of the Software, and to permit persons to whom the Software is
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|  * 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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| 
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| #include "chip.h"
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| #include "bsp/board.h"
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| #include "board.h"
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| 
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| #ifdef BOARD_TUD_RHPORT
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|   #define PORT_SUPPORT_DEVICE(_n)  (BOARD_TUD_RHPORT == _n)
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| #else
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|   #define PORT_SUPPORT_DEVICE(_n)  0
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| #endif
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| 
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| #ifdef BOARD_TUH_RHPORT
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|   #define PORT_SUPPORT_HOST(_n)    (BOARD_TUH_RHPORT == _n)
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| #else
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|   #define PORT_SUPPORT_HOST(_n)    0
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| #endif
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| 
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| //--------------------------------------------------------------------+
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| // USB Interrupt Handler
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| //--------------------------------------------------------------------+
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| void USB0_IRQHandler(void)
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| {
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|   #if PORT_SUPPORT_DEVICE(0)
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|     tud_int_handler(0);
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|   #endif
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| 
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|   #if PORT_SUPPORT_HOST(0)
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|     tuh_int_handler(0);
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|   #endif
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| }
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| 
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| void USB1_IRQHandler(void)
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| {
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|   #if PORT_SUPPORT_DEVICE(1)
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|     tud_int_handler(1);
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|   #endif
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| 
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|   #if PORT_SUPPORT_HOST(1)
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|     tuh_int_handler(1);
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|   #endif
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| }
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| 
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| //--------------------------------------------------------------------+
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| // MACRO TYPEDEF CONSTANT ENUM DECLARATION
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| //--------------------------------------------------------------------+
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| 
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| 
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| /* System configuration variables used by chip driver */
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| const uint32_t OscRateIn = 12000000;
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| const uint32_t ExtRateIn = 0;
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| 
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| // Invoked by startup code
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| void SystemInit(void)
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| {
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| #ifdef __USE_LPCOPEN
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| 	extern void (* const g_pfnVectors[])(void);
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|   unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
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| 	*pSCB_VTOR = (unsigned int) g_pfnVectors;
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| #endif
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| 
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|   board_lpc18_pinmux();
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|   Chip_SetupXtalClocking();
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| }
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| 
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| void board_init(void)
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| {
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|   SystemCoreClockUpdate();
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| 
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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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| #elif CFG_TUSB_OS == OPT_OS_FREERTOS
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|   // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
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|   NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
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|   NVIC_SetPriority(USB1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
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| #endif
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| 
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|   Chip_GPIO_Init(LPC_GPIO_PORT);
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| 
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|   // LED
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|   Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, LED_PORT, LED_PIN);
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| 
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|   // Button
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|   Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN);
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| 
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|   //------------- UART -------------//
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|   Chip_UART_Init(UART_DEV);
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|   Chip_UART_SetBaud(UART_DEV, CFG_BOARD_UART_BAUDRATE);
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|   Chip_UART_ConfigData(UART_DEV, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS);
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|   Chip_UART_TXEnable(UART_DEV);
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| 
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|   //------------- USB -------------//
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| #if PORT_SUPPORT_DEVICE(0) || PORT_SUPPORT_HOST(0)
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|   Chip_USB0_Init();
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| #endif
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| 
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| #if PORT_SUPPORT_DEVICE(1) || PORT_SUPPORT_HOST(1)
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|   Chip_USB1_Init();
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| #endif
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| }
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| 
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| //--------------------------------------------------------------------+
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| // Board porting API
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| //--------------------------------------------------------------------+
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| 
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| void board_led_write(bool state)
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| {
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|   Chip_GPIO_SetPinState(LPC_GPIO_PORT, LED_PORT, LED_PIN, state);
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| }
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| 
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| uint32_t board_button_read(void)
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| {
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|   // active low
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|   return Chip_GPIO_GetPinState(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN) ? 0 : 1;
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| }
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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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|   //return UART_ReceiveByte(BOARD_UART_PORT);
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|   (void) buf; (void) len;
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|   return 0;
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| }
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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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|   uint8_t const* buf8 = (uint8_t const*) buf;
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|   for(int i=0; i<len; i++)
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|   {
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|     while ((Chip_UART_ReadLineStatus(UART_DEV) & UART_LSR_THRE) == 0) {}
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|     Chip_UART_SendByte(UART_DEV, buf8[i]);
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|   }
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| 
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|   return len;
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| }
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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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| 
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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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