diff options
Diffstat (limited to 'tinyusb/hw/bsp/ea4357/ea4357.c')
| -rwxr-xr-x | tinyusb/hw/bsp/ea4357/ea4357.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/tinyusb/hw/bsp/ea4357/ea4357.c b/tinyusb/hw/bsp/ea4357/ea4357.c deleted file mode 100755 index aa206a28..00000000 --- a/tinyusb/hw/bsp/ea4357/ea4357.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * 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. - */ - -#include "chip.h" -#include "../board.h" -#include "pca9532.h" - -#define UART_DEV LPC_USART0 -#define UART_PORT 0x0f -#define UART_PIN_TX 10 -#define UART_PIN_RX 11 - -// P9_1 joystick down -#define BUTTON_PORT 4 -#define BUTTON_PIN 13 - -//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 -//}; - -/*------------------------------------------------------------------*/ -/* BOARD API - *------------------------------------------------------------------*/ - -/* System configuration variables used by chip driver */ -const uint32_t OscRateIn = 12000000; -const uint32_t ExtRateIn = 0; - -static const PINMUX_GRP_T pinmuxing[] = -{ - // Button ( Joystick down ) - {0x9, 1, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC0 | SCU_MODE_PULLUP)}, - - // UART - {UART_PORT, UART_PIN_TX, SCU_MODE_PULLDOWN | SCU_MODE_FUNC1}, - {UART_PORT, UART_PIN_RX, SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_FUNC1}, - - // USB -}; - -/* 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) -{ -#ifdef __USE_LPCOPEN - extern void (* const g_pfnVectors[])(void); - unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08; - *pSCB_VTOR = (unsigned int) g_pfnVectors; - -#if __FPU_USED == 1 - fpuInit(); -#endif -#endif // __USE_LPCOPEN - - /* 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); - - // 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(); - - // 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 CFG_TUSB_RHPORT0_MODE - 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 CFG_TUSB_RHPORT1_MODE - 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 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 -} - -//--------------------------------------------------------------------+ -// USB Interrupt Handler -//--------------------------------------------------------------------+ -void USB0_IRQHandler(void) -{ - #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST - tuh_int_handler(0); - #endif - - #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE - tud_int_handler(0); - #endif -} - -void USB1_IRQHandler(void) -{ - #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST - tuh_int_handler(1); - #endif - - #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE - tud_int_handler(1); - #endif -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ - if (state) - { - pca9532_setLeds( LED1, 0 ); - }else - { - pca9532_setLeds( 0, LED1); - } -} - -uint32_t board_button_read(void) -{ - // active low - return Chip_GPIO_GetPinState(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN) ? 0 : 1; -} - -int board_uart_read(uint8_t* buf, int len) -{ - //return UART_ReceiveByte(BOARD_UART_DEV); - (void) buf; (void) len; - return 0; -} - -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 |