284 lines
8.7 KiB
C
284 lines
8.7 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.
|
|
*/
|
|
|
|
// Suppress warning caused by mcu driver
|
|
#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"
|
|
|
|
#ifdef BOARD_TUD_RHPORT
|
|
#define PORT_SUPPORT_DEVICE(_n) (BOARD_TUD_RHPORT == _n)
|
|
#else
|
|
#define PORT_SUPPORT_DEVICE(_n) 0
|
|
#endif
|
|
|
|
#ifdef BOARD_TUH_RHPORT
|
|
#define PORT_SUPPORT_HOST(_n) (BOARD_TUH_RHPORT == _n)
|
|
#else
|
|
#define PORT_SUPPORT_HOST(_n) 0
|
|
#endif
|
|
|
|
/* System configuration variables used by chip driver */
|
|
const uint32_t OscRateIn = 12000000;
|
|
const uint32_t ExtRateIn = 0;
|
|
|
|
/*------------------------------------------------------------------*/
|
|
/* BOARD API
|
|
*------------------------------------------------------------------*/
|
|
|
|
// Invoked by startup code
|
|
void SystemInit(void)
|
|
{
|
|
#ifdef __USE_LPCOPEN
|
|
unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
|
|
|
|
#ifdef __ICCARM__
|
|
extern void *__vector_table;
|
|
*pSCB_VTOR = (unsigned int) &__vector_table;
|
|
|
|
#elif defined(__ARMCC_VERSION)
|
|
extern void *__Vectors;
|
|
*pSCB_VTOR = (unsigned int) &__Vectors;
|
|
|
|
#else // other compoiler using cr_startup_lpc43xx.c
|
|
extern void (* const g_pfnVectors[])(void);
|
|
*pSCB_VTOR = (unsigned int) g_pfnVectors;
|
|
#endif
|
|
|
|
#if __FPU_USED == 1
|
|
fpuInit();
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* Setup system level pin muxing */
|
|
Chip_SCU_SetPinMuxing(pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
|
|
|
|
// /* Clock pins only, group field not used */
|
|
// for ( int i = 0; i < (int) (sizeof(pinclockmuxing) / sizeof(pinclockmuxing[0])); i++ ) {
|
|
// Chip_SCU_ClockPinMuxSet(pinclockmuxing[i].pinnum, pinclockmuxing[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_PORT);
|
|
|
|
#ifdef __PCA9532C_H
|
|
// LED via pca9532 I2C
|
|
Chip_SCU_I2C0PinConfig(I2C0_STANDARD_FAST_MODE);
|
|
Chip_I2C_Init(I2C0);
|
|
Chip_I2C_SetClockRate(I2C0, 100000);
|
|
Chip_I2C_SetMasterEventHandler(I2C0, Chip_I2C_EventHandlerPolling);
|
|
pca9532_init();
|
|
#else
|
|
Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, LED_PORT, LED_PIN);
|
|
#endif
|
|
|
|
// Button
|
|
Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN);
|
|
|
|
//------------- UART -------------//
|
|
Chip_UART_Init(UART_DEV);
|
|
Chip_UART_SetBaud(UART_DEV, CFG_BOARD_UART_BAUDRATE);
|
|
Chip_UART_ConfigData(UART_DEV, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS);
|
|
Chip_UART_TXEnable(UART_DEV);
|
|
|
|
//------------- USB -------------//
|
|
enum {
|
|
USBMODE_DEVICE = 2,
|
|
USBMODE_HOST = 3
|
|
};
|
|
|
|
enum {
|
|
USBMODE_VBUS_LOW = 0,
|
|
USBMODE_VBUS_HIGH = 1
|
|
};
|
|
|
|
/* From EA4357 user manual
|
|
*
|
|
* USB0 Device operation:
|
|
* - Insert jumpers in position 1-2 in JP17/JP18/JP19.
|
|
* - GPIO28 controls USB connect functionality
|
|
* - LED32 lights when the USB Device is connected. SJ4 has pads 1-2 shorted by default.
|
|
* - LED33 is controlled by GPIO27 and signals USB-up state. GPIO54 is used for VBUS
|
|
* sensing.
|
|
*
|
|
* USB0 Host operation:
|
|
* - insert jumpers in position 2-3 in JP17/JP18/JP19.
|
|
* - USB Host power is controlled via distribution switch U20 (found in schematic page 11).
|
|
* - Signal GPIO26 is active low and enables +5V on VBUS2.
|
|
* - LED35 light whenever +5V is present on VBUS2.
|
|
* - GPIO55 is connected to status feedback from the distribution switch.
|
|
* - GPIO54 is used for VBUS sensing. 15Kohm pull-down resistors are always active
|
|
*
|
|
* Note:
|
|
* - Insert jumpers in position 2-3 in JP17/JP18/JP19
|
|
* - Insert jumpers in JP31 (OTG)
|
|
*/
|
|
#if PORT_SUPPORT_DEVICE(0) || PORT_SUPPORT_HOST(0)
|
|
Chip_USB0_Init();
|
|
#endif
|
|
|
|
/* From EA4357 user manual
|
|
*
|
|
* For USB1 Device:
|
|
* - a 1.5Kohm pull-up resistor is needed on the USB DP data signal. There are two methods to create this.
|
|
* JP15 is inserted and the pull-up resistor is always enabled. Alternatively, the pull-up resistor is activated
|
|
* inside the USB OTG chip (U31), and this has to be done via the I2C interface of GPIO52/GPIO53. In the latter case,
|
|
* JP15 shall not be inserted.
|
|
* - J19 is the connector to use when USB Device is used. Normally it should be a USB-B connector for
|
|
* creating a USB Device interface, but the mini-AB connector can also be used in this case. The status
|
|
* of VBUS can be read via U31.
|
|
* - JP16 shall not be inserted.
|
|
*
|
|
* For USB1 Host:
|
|
* - 15Kohm pull-down resistors are needed on the USB data signals. These are activated inside the USB OTG chip (U31),
|
|
* and this has to be done via the I2C interface of GPIO52/GPIO53.
|
|
* - J20 is the connector to use when USB Host is used. In order to provide +5V to the external USB
|
|
* device connected to this connector (J20), channel A of U20 must be enabled. It is enabled by default
|
|
* since SJ5 is normally connected between pin 1-2.
|
|
* - LED34 lights green when +5V is available on J20.
|
|
* - JP15 shall not be inserted. JP16 has no effect
|
|
*/
|
|
#if PORT_SUPPORT_DEVICE(1) || PORT_SUPPORT_HOST(1)
|
|
Chip_USB1_Init();
|
|
#endif
|
|
|
|
// USB0 Vbus Power: P2_3 on EA4357 channel B U20 GPIO26 active low (base board)
|
|
Chip_SCU_PinMuxSet(2, 3, SCU_MODE_PULLUP | SCU_MODE_INBUFF_EN | SCU_MODE_FUNC7);
|
|
|
|
#if PORT_SUPPORT_DEVICE(0)
|
|
// P9_5 (GPIO5[18]) (GPIO28 on oem base) as USB connect, active low.
|
|
Chip_SCU_PinMuxSet(9, 5, SCU_MODE_PULLDOWN | SCU_MODE_FUNC4);
|
|
Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, 5, 18);
|
|
#endif
|
|
|
|
// USB1 Power: EA4357 channel A U20 is enabled by SJ5 connected to pad 1-2, no more action required
|
|
// TODO Remove R170, R171, solder a pair of 15K to USB1 D+/D- to test with USB1 Host
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// USB Interrupt Handler
|
|
//--------------------------------------------------------------------+
|
|
void USB0_IRQHandler(void)
|
|
{
|
|
#if PORT_SUPPORT_DEVICE(0)
|
|
tud_int_handler(0);
|
|
#endif
|
|
|
|
#if PORT_SUPPORT_HOST(0)
|
|
tuh_int_handler(0, true);
|
|
#endif
|
|
}
|
|
|
|
void USB1_IRQHandler(void)
|
|
{
|
|
#if PORT_SUPPORT_DEVICE(1)
|
|
tud_int_handler(1);
|
|
#endif
|
|
|
|
#if PORT_SUPPORT_HOST(1)
|
|
tuh_int_handler(1, true);
|
|
#endif
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Board porting API
|
|
//--------------------------------------------------------------------+
|
|
|
|
void board_led_write(bool state) {
|
|
#ifdef __PCA9532C_H
|
|
if ( state ) {
|
|
pca9532_setLeds(LED1, 0);
|
|
} else {
|
|
pca9532_setLeds(0, LED1);
|
|
}
|
|
#else
|
|
Chip_GPIO_SetPinState(LPC_GPIO_PORT, LED_PORT, LED_PIN, state ? LED_STATE_ON : !LED_STATE_ON);
|
|
#endif
|
|
}
|
|
|
|
uint32_t board_button_read(void) {
|
|
return BUTTON_STATE_ACTIVE == Chip_GPIO_GetPinState(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN);
|
|
}
|
|
|
|
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;
|
|
Chip_IAP_ReadUID(id32);
|
|
return 16;
|
|
}
|
|
|
|
int board_uart_read(uint8_t *buf, int len) {
|
|
return Chip_UART_Read(UART_DEV, buf, len);
|
|
}
|
|
|
|
int board_uart_write(void const *buf, int len) {
|
|
uint8_t const *buf8 = (uint8_t const *) buf;
|
|
for ( int i = 0; i < len; i++ ) {
|
|
while ( (Chip_UART_ReadLineStatus(UART_DEV) & UART_LSR_THRE) == 0 ) {}
|
|
Chip_UART_SendByte(UART_DEV, buf8[i]);
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
#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
|