/**************************************************************************/ /*! @file board_ea4357.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_EA4357 #include "../board.h" #include "pca9532.h" #include "tusb.h" #define BOARD_UART_PORT LPC_USART0 #define BOARD_UART_PIN_PORT 0x0f #define BOARD_UART_PIN_TX 10 // PF.10 : UART0_TXD #define BOARD_UART_PIN_RX 11 // PF.11 : UART0_RXD static const struct { uint8_t mux_port; uint8_t mux_pin; uint8_t gpio_port; uint8_t gpio_pin; }buttons[] = { {0x0a, 3, 4, 10 }, // Joystick up {0x09, 1, 4, 13 }, // Joystick down {0x0a, 2, 4, 9 }, // Joystick left {0x09, 0, 4, 12 }, // Joystick right {0x0a, 1, 4, 8 }, // Joystick press {0x02, 7, 0, 7 }, // SW6 }; enum { BOARD_BUTTON_COUNT = sizeof(buttons) / sizeof(buttons[0]) }; /*------------------------------------------------------------------*/ /* 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 /*------------------------------------------------------------------*/ /* BOARD API *------------------------------------------------------------------*/ /* System configuration variables used by chip driver */ const uint32_t ExtRateIn = 0; const uint32_t OscRateIn = 12000000; static const PINMUX_GRP_T pinmuxing[] = { // USB /* I2S */ {0x3, 0, (SCU_PINIO_FAST | SCU_MODE_FUNC2)}, //I2S0_TX_CLK {0xC, 12, (SCU_PINIO_FAST | SCU_MODE_FUNC6)}, //I2S0_TX_SDA {0xC, 13, (SCU_PINIO_FAST | SCU_MODE_FUNC6)}, //I2S0_TX_WS {0x6, 0, (SCU_PINIO_FAST | SCU_MODE_FUNC4)}, //I2S0_RX_SCK {0x6, 1, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, //I2S0_RX_WS {0x6, 2, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, //I2S0_RX_SDA }; /* Pin clock mux values, re-used structure, value in first index is meaningless */ static const PINMUX_GRP_T pinclockmuxing[] = { {0, 0, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)}, {0, 1, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)}, {0, 2, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)}, {0, 3, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)}, }; // Invoked by startup code void SystemInit(void) { /* 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 < (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 SysTick_Config( SystemCoreClock / BOARD_TICKS_HZ ); #endif Chip_GPIO_Init(LPC_GPIO_PORT); //------------- LED -------------// /* Init 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(); #if 0 //------------- BUTTON -------------// for(uint8_t i=0; iUSBCMD_D |= 0x02; while( LPC_USB0->USBCMD_D & 0x02 ) {} // Set mode #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST LPC_USB0->USBMODE_H = USBMODE_HOST | (USBMODE_VBUS_HIGH << 5); LPC_USB0->PORTSC1_D |= (1<<24); // FIXME force full speed for debugging #else // TODO OTG LPC_USB0->USBMODE_D = USBMODE_DEVICE; LPC_USB0->OTGSC = (1<<3) | (1<<0) /*| (1<<16)| (1<<24)| (1<<25)| (1<<26)| (1<<27)| (1<<28)| (1<<29)| (1<<30)*/; #endif #endif /* USB1 * When USB channel #1 is used as USB 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 * * When USB channel #1 is used as USB 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. */ #if CFG_TUSB_RHPORT1_MODE Chip_USB1_Init(); // Reset controller LPC_USB1->USBCMD_D |= 0x02; while( LPC_USB1->USBCMD_D & 0x02 ) {} // Set mode #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST LPC_USB1->USBMODE_H = USBMODE_HOST | (USBMODE_VBUS_HIGH << 5); #else // TODO OTG LPC_USB1->USBMODE_D = USBMODE_DEVICE; #endif // USB1 as fullspeed LPC_USB1->PORTSC1_D |= (1<<24); #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 CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE // 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 } // LED void board_led_control(bool state) { if (state) { pca9532_setLeds( LED1, 0 ); }else { pca9532_setLeds( 0, LED1); } } //--------------------------------------------------------------------+ // BUTTONS //--------------------------------------------------------------------+ static bool button_read(uint8_t id) { // return !BIT_TEST_( GPIO_ReadValue(buttons[id].gpio_port), buttons[id].gpio_pin ); // button is active low } uint32_t board_buttons(void) { uint32_t result = 0; // for(uint8_t i=0; i