222 lines
6.6 KiB
C
222 lines
6.6 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@file board_lpcxpresso1769.c
|
|
@author hathach (tinyusb.org)
|
|
|
|
@section LICENSE
|
|
|
|
Software License Agreement (BSD License)
|
|
|
|
Copyright (c) 2013, hathach (tinyusb.org)
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
3. Neither the name of the copyright holders nor the
|
|
names of its contributors may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
|
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
|
|
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
This file is part of the tinyusb stack.
|
|
*/
|
|
/**************************************************************************/
|
|
|
|
|
|
#ifdef BOARD_LPCXPRESSO1769
|
|
|
|
#include "../board.h"
|
|
#include "tusb.h"
|
|
|
|
#define LED_PORT 0
|
|
#define LED_PIN 22
|
|
|
|
#define BOARD_UART_PORT LPC_UART3
|
|
|
|
/* System oscillator rate and RTC oscillator rate */
|
|
const uint32_t OscRateIn = 12000000;
|
|
const uint32_t RTCOscRateIn = 32768;
|
|
|
|
/* Pin muxing configuration */
|
|
static const PINMUX_GRP_T pinmuxing[] =
|
|
{
|
|
{0, 0, IOCON_MODE_INACT | IOCON_FUNC2}, /* TXD3 */
|
|
{0, 1, IOCON_MODE_INACT | IOCON_FUNC2}, /* RXD3 */
|
|
{0, 22, IOCON_MODE_INACT | IOCON_FUNC0}, /* Led 0 */
|
|
|
|
/* Joystick buttons. */
|
|
{2, 3, IOCON_MODE_INACT | IOCON_FUNC0}, /* JOYSTICK_UP */
|
|
{0, 15, IOCON_MODE_INACT | IOCON_FUNC0}, /* JOYSTICK_DOWN */
|
|
{2, 4, IOCON_MODE_INACT | IOCON_FUNC0}, /* JOYSTICK_LEFT */
|
|
{0, 16, IOCON_MODE_INACT | IOCON_FUNC0}, /* JOYSTICK_RIGHT */
|
|
{0, 17, IOCON_MODE_INACT | IOCON_FUNC0}, /* JOYSTICK_PRESS */
|
|
};
|
|
|
|
static const PINMUX_GRP_T pin_usb_mux[] =
|
|
{
|
|
{0, 29, IOCON_MODE_INACT | IOCON_FUNC1}, // D+
|
|
{0, 30, IOCON_MODE_INACT | IOCON_FUNC1}, // D-
|
|
{2, 9, IOCON_MODE_INACT | IOCON_FUNC1}, // Connect
|
|
|
|
{1, 19, IOCON_MODE_INACT | IOCON_FUNC2}, // USB_PPWR
|
|
{1, 22, IOCON_MODE_INACT | IOCON_FUNC2}, // USB_PWRD
|
|
|
|
/* VBUS is not connected on this board, so leave the pin at default setting. */
|
|
/*Chip_IOCON_PinMux(LPC_IOCON, 1, 30, IOCON_MODE_INACT, IOCON_FUNC2);*/ /* USB VBUS */
|
|
};
|
|
|
|
enum {
|
|
BOARD_BUTTON_COUNT = 5
|
|
};
|
|
|
|
// Invoked by startup code
|
|
void SystemInit(void)
|
|
{
|
|
/* Enable IOCON clock */
|
|
Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
|
|
Chip_SetupXtalClocking();
|
|
}
|
|
|
|
void board_init(void)
|
|
{
|
|
SystemCoreClockUpdate();
|
|
|
|
#if CFG_TUSB_OS == OPT_OS_NONE
|
|
SysTick_Config(SystemCoreClock / BOARD_TICKS_HZ);
|
|
#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);
|
|
|
|
//------------- LED -------------//
|
|
Chip_GPIO_SetPinDIROutput(LPC_GPIO, LED_PORT, LED_PIN);
|
|
|
|
//------------- BUTTON -------------//
|
|
// for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) GPIO_SetDir(buttons[i].port, TU_BIT(buttons[i].pin), 0);
|
|
|
|
#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_UART_BAUDRATE;
|
|
|
|
UART_Init(BOARD_UART_PORT, &UARTConfigStruct);
|
|
UART_TxCmd(BOARD_UART_PORT, ENABLE); // Enable UART Transmit
|
|
#endif
|
|
|
|
//------------- USB -------------//
|
|
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 = TUSB_OPT_DEVICE_ENABLED ? USBCLK_DEVCIE : USBCLK_HOST;
|
|
|
|
LPC_USB->OTGClkCtrl = clk_en;
|
|
while ( (LPC_USB->OTGClkSt & clk_en) != clk_en );
|
|
|
|
#if TUSB_OPT_HOST_ENABLED
|
|
// set portfunc to host !!!
|
|
LPC_USB->StCtrl = 0x3; // should be 1
|
|
#endif
|
|
|
|
Chip_IOCON_SetPinMuxing(LPC_IOCON, pin_usb_mux, sizeof(pin_usb_mux) / sizeof(PINMUX_GRP_T));
|
|
}
|
|
|
|
/*------------------------------------------------------------------*/
|
|
/* TUSB HAL MILLISECOND
|
|
*------------------------------------------------------------------*/
|
|
#if CFG_TUSB_OS == OPT_OS_NONE
|
|
|
|
volatile uint32_t system_ticks = 0;
|
|
|
|
void SysTick_Handler (void)
|
|
{
|
|
system_ticks++;
|
|
}
|
|
|
|
uint32_t tusb_hal_millis(void)
|
|
{
|
|
return board_tick2ms(system_ticks);
|
|
}
|
|
|
|
#endif
|
|
|
|
//--------------------------------------------------------------------+
|
|
// LEDS
|
|
//--------------------------------------------------------------------+
|
|
void board_led_control(bool state)
|
|
{
|
|
Chip_GPIO_SetPinState(LPC_GPIO, LED_PORT, LED_PIN, state);
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// BUTTONS
|
|
//--------------------------------------------------------------------+
|
|
#if 0
|
|
static bool button_read(uint8_t id)
|
|
{
|
|
// return !TU_BIT_TEST( GPIO_ReadValue(buttons[id].port), buttons[id].pin ); // button is active low
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
uint32_t board_buttons(void)
|
|
{
|
|
uint32_t result = 0;
|
|
|
|
// for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) result |= (button_read(i) ? TU_BIT(i) : 0);
|
|
|
|
return result;
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// UART
|
|
//--------------------------------------------------------------------+
|
|
void board_uart_putchar(uint8_t c)
|
|
{
|
|
(void) c;
|
|
// UART_Send(BOARD_UART_PORT, &c, 1, BLOCKING);
|
|
}
|
|
|
|
uint8_t board_uart_getchar(void)
|
|
{
|
|
// return UART_ReceiveByte(BOARD_UART_PORT);
|
|
return 0;
|
|
}
|
|
|
|
#endif
|