160 lines
4.5 KiB
C
160 lines
4.5 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
|
|
*/
|
|
|
|
#include "chip.h"
|
|
#include "bsp/board_api.h"
|
|
#include "board.h"
|
|
|
|
// 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();
|
|
|
|
Chip_SYSCTL_SetFLASHAccess(FLASHTIM_100MHZ_CPU);
|
|
}
|
|
|
|
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);
|
|
Chip_GPIO_SetPinDIROutput(LPC_GPIO, LED_PORT, LED_PIN);
|
|
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 = CFG_TUD_ENABLED ? USBCLK_DEVCIE : USBCLK_HOST;
|
|
|
|
LPC_USB->OTGClkCtrl = clk_en;
|
|
while ((LPC_USB->OTGClkSt & clk_en) != clk_en) {}
|
|
|
|
#if CFG_TUH_ENABLED
|
|
// set portfunc to host !!!
|
|
LPC_USB->StCtrl = 0x3; // should be 1
|
|
#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;
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// USB Interrupt Handler
|
|
//--------------------------------------------------------------------+
|
|
void USB_IRQHandler(void) {
|
|
#if CFG_TUD_ENABLED
|
|
tud_int_handler(0);
|
|
#endif
|
|
|
|
#if CFG_TUH_ENABLED
|
|
tuh_int_handler(0, true);
|
|
#endif
|
|
}
|
|
|
|
#endif
|