diff options
| -rw-r--r-- | hw/bsp/board_mcu.h | 2 | ||||
| -rw-r--r-- | hw/bsp/frdm_kl25z/board.mk | 46 | ||||
| -rw-r--r-- | hw/bsp/frdm_kl25z/frdm_kl25z.c | 148 | ||||
| -rw-r--r-- | src/portable/nxp/khci/dcd_khci.c | 459 | ||||
| -rw-r--r-- | src/tusb_option.h | 4 |
5 files changed, 658 insertions, 1 deletions
diff --git a/hw/bsp/board_mcu.h b/hw/bsp/board_mcu.h index eedae43f7..1cf0ad03c 100644 --- a/hw/bsp/board_mcu.h +++ b/hw/bsp/board_mcu.h @@ -46,7 +46,7 @@ #include "chip.h" #elif CFG_TUSB_MCU == OPT_MCU_LPC51UXX || CFG_TUSB_MCU == OPT_MCU_LPC54XXX || \ - CFG_TUSB_MCU == OPT_MCU_LPC55XX + CFG_TUSB_MCU == OPT_MCU_LPC55XX || CFG_TUSB_MCU == OPT_MCU_MKL25ZXX #include "fsl_device_registers.h" #elif CFG_TUSB_MCU == OPT_MCU_NRF5X diff --git a/hw/bsp/frdm_kl25z/board.mk b/hw/bsp/frdm_kl25z/board.mk new file mode 100644 index 000000000..9d86c4542 --- /dev/null +++ b/hw/bsp/frdm_kl25z/board.mk @@ -0,0 +1,46 @@ +CFLAGS += \ + -mthumb \ + -mabi=aapcs \ + -mcpu=cortex-m0plus \ + -DCPU_MKL25Z128VLK4 \ + -DCFG_TUSB_MCU=OPT_MCU_MKL25ZXX + +# mcu driver cause following warnings +CFLAGS += -Wno-error=unused-parameter + +MCU_DIR = hw/mcu/nxp/sdk/devices/MKL25Z4 + +# All source paths should be relative to the top level. +LD_FILE = $(MCU_DIR)/gcc/MKL25Z128xxx4_flash.ld + +SRC_C += \ + $(MCU_DIR)/system_MKL25Z4.c \ + $(MCU_DIR)/project_template/clock_config.c \ + $(MCU_DIR)/drivers/fsl_clock.c \ + $(MCU_DIR)/drivers/fsl_gpio.c \ + $(MCU_DIR)/drivers/fsl_lpsci.c + +INC += \ + $(TOP)/hw/bsp/$(BOARD) \ + $(TOP)/$(MCU_DIR)/../../CMSIS/Include \ + $(TOP)/$(MCU_DIR) \ + $(TOP)/$(MCU_DIR)/drivers \ + $(TOP)/$(MCU_DIR)/project_template \ + +SRC_S += $(MCU_DIR)/gcc/startup_MKL25Z4.S + +# For TinyUSB port source +VENDOR = nxp +CHIP_FAMILY = khci + +# For freeRTOS port source +FREERTOS_PORT = ARM_CM0 + +# For flash-jlink target +JLINK_DEVICE = MKL25Z128xxx4 + +# For flash-pyocd target +PYOCD_TARGET = mkl25zl128 + +# flash using pyocd +flash: flash-pyocd diff --git a/hw/bsp/frdm_kl25z/frdm_kl25z.c b/hw/bsp/frdm_kl25z/frdm_kl25z.c new file mode 100644 index 000000000..7d3a173ed --- /dev/null +++ b/hw/bsp/frdm_kl25z/frdm_kl25z.c @@ -0,0 +1,148 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2018, hathach (tinyusb.org) + * Copyright (c) 2020, Koji Kitayama + * + * 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 "../board.h" +#include "fsl_device_registers.h" +#include "fsl_gpio.h" +#include "fsl_port.h" +#include "fsl_clock.h" +#include "fsl_lpsci.h" + +#include "clock_config.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void USB0_IRQHandler(void) +{ + tud_int_handler(0); +} + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ +// LED +#define LED_PINMUX IOMUXC_GPIO_AD_B0_09_GPIO1_IO09 +#define LED_PORT GPIOB +#define LED_PIN_CLOCK kCLOCK_PortB +#define LED_PIN_PORT PORTB +#define LED_PIN 19U +#define LED_PIN_FUNCTION kPORT_MuxAsGpio +#define LED_STATE_ON 0 + +// UART +#define UART_PORT UART0 +#define UART_PIN_CLOCK kCLOCK_PortA +#define UART_PIN_PORT PORTA +#define UART_PIN_RX 1u +#define UART_PIN_TX 2u +#define UART_PIN_FUNCTION kPORT_MuxAlt2 +#define SOPT5_UART0RXSRC_UART_RX 0x00u /*!< UART0 receive data source select: UART0_RX pin */ +#define SOPT5_UART0TXSRC_UART_TX 0x00u /*!< UART0 transmit data source select: UART0_TX pin */ + +const uint8_t dcd_data[] = { 0x00 }; + +void board_init(void) +{ + BOARD_BootClockRUN(); + 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 + + // LED + CLOCK_EnableClock(LED_PIN_CLOCK); + PORT_SetPinMux(LED_PIN_PORT, LED_PIN, LED_PIN_FUNCTION); + gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0 }; + GPIO_PinInit(LED_PORT, LED_PIN, &led_config); + board_led_write(true); + + // UART + CLOCK_EnableClock(UART_PIN_CLOCK); + PORT_SetPinMux(UART_PIN_PORT, UART_PIN_RX, UART_PIN_FUNCTION); + PORT_SetPinMux(UART_PIN_PORT, UART_PIN_TX, UART_PIN_FUNCTION); + SIM->SOPT5 = ((SIM->SOPT5 & + (~(SIM_SOPT5_UART0TXSRC_MASK | SIM_SOPT5_UART0RXSRC_MASK))) + | SIM_SOPT5_UART0TXSRC(SOPT5_UART0TXSRC_UART_TX) + | SIM_SOPT5_UART0RXSRC(SOPT5_UART0RXSRC_UART_RX) + ); + + lpsci_config_t uart_config; + CLOCK_SetLpsci0Clock(1); + LPSCI_GetDefaultConfig(&uart_config); + uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE; + uart_config.enableTx = true; + uart_config.enableRx = true; + LPSCI_Init(UART_PORT, &uart_config, CLOCK_GetPllFllSelClkFreq()); + + // USB + CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcPll0, CLOCK_GetFreq(kCLOCK_PllFllSelClk)); +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + GPIO_WritePinOutput(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); +} + +uint32_t board_button_read(void) +{ + return 0; +} + +int board_uart_read(uint8_t* buf, int len) +{ + LPSCI_ReadBlocking(UART_PORT, buf, len); + return len; +} + +int board_uart_write(void const * buf, int len) +{ + LPSCI_WriteBlocking(UART_PORT, (uint8_t*)buf, len); + 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 diff --git a/src/portable/nxp/khci/dcd_khci.c b/src/portable/nxp/khci/dcd_khci.c new file mode 100644 index 000000000..aab847b82 --- /dev/null +++ b/src/portable/nxp/khci/dcd_khci.c @@ -0,0 +1,459 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 Koji Kitayama + * + * 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 "tusb_option.h" + +#if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_MKL25ZXX ) + +#include "fsl_device_registers.h" +#define KHCI USB0 + +#include "device/dcd.h" + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ + +enum { + TOK_PID_OUT = 0x1u, + TOK_PID_IN = 0x9u, + TOK_PID_SETUP = 0xDu, +}; + +typedef struct TU_ATTR_PACKED +{ + union { + uint32_t head; + struct { + union { + uint16_t ctl; + struct { + uint16_t zeros : 2; + uint16_t tok_pid : 4; + uint16_t data : 1; + uint16_t own : 1; + uint16_t rsvd0 : 8; + }; + struct { + uint16_t dmy0 : 2; + uint16_t bdt_stall: 1; + uint16_t dts : 1; + uint16_t ninc : 1; + uint16_t keep : 1; + uint16_t dmy1 : 10; + }; + }; + uint16_t bc : 10; + uint16_t rsvd1 : 6; + }; + }; + uint8_t *addr; +}buffer_descriptor_t; + +TU_VERIFY_STATIC( sizeof(buffer_descriptor_t) == 8, "size is not correct" ); + +typedef struct TU_ATTR_PACKED +{ + union { + uint32_t state; + struct { + uint32_t max_packet_size: 11; + uint32_t reserved0 : 5; + uint32_t odd : 1; + uint32_t reserved1 :15; + }; + }; + uint16_t length; + uint16_t remaining; +}endpoint_state_t; + +TU_VERIFY_STATIC( sizeof(endpoint_state_t) == 8, "size is not correct" ); + +typedef struct +{ + union { + /* [#EP][OUT,IN][EVEN,ODD] */ + buffer_descriptor_t bdt[16][2][2]; + uint16_t bda[512]; + }; + TU_ATTR_ALIGNED(4) union { + endpoint_state_t endpoint[16][2]; + endpoint_state_t endpoint_unified[16 * 2]; + }; + uint8_t setup_packet[8]; + uint8_t addr; +}dcd_data_t; + +//--------------------------------------------------------------------+ +// INTERNAL OBJECT & FUNCTION DECLARATION +//--------------------------------------------------------------------+ +// BDT(Buffer Descriptor Table) must be 256-byte aligned +CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(512) static dcd_data_t _dcd; + +TU_VERIFY_STATIC( sizeof(_dcd.bdt) == 512, "size is not correct" ); + +static void prepare_next_setup_packet(uint8_t rhport) +{ + const unsigned out_odd = _dcd.endpoint[0][0].odd; + const unsigned in_odd = _dcd.endpoint[0][1].odd; + if (_dcd.bdt[0][0][out_odd].own) { + TU_LOG1("DCD fail to prepare the next SETUP %d %d\r\n", out_odd, in_odd); + return; + } + _dcd.bdt[0][0][out_odd].data = 0; + _dcd.bdt[0][0][out_odd ^ 1].data = 1; + _dcd.bdt[0][1][in_odd].data = 1; + _dcd.bdt[0][1][in_odd ^ 1].data = 0; + dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_OUT), + _dcd.setup_packet, sizeof(_dcd.setup_packet)); +} + +static void process_stall(uint8_t rhport) +{ + if (KHCI->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK) { + /* clear stall condition of the control pipe */ + prepare_next_setup_packet(rhport); + KHCI->ENDPOINT[0].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; + KHCI->ENDPOINT[1].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; + } +} + +static void process_tokdne(uint8_t rhport) +{ + const unsigned s = KHCI->STAT; + KHCI->ISTAT = USB_ISTAT_TOKDNE_MASK; /* fetch the next token if received */ + buffer_descriptor_t *bd = (buffer_descriptor_t *)&_dcd.bda[s]; + endpoint_state_t *ep = &_dcd.endpoint_unified[s >> 3]; + unsigned odd = (s & USB_STAT_ODD_MASK) ? 1 : 0; + + /* fetch pid before discarded by the next steps */ + const unsigned pid = bd->tok_pid; + /* reset values for a next transfer */ + bd->bdt_stall = 0; + bd->dts = 1; + bd->ninc = 0; + bd->keep = 0; + /* update the odd variable to prepare for the next transfer */ + ep->odd = odd ^ 1; + if (pid == TOK_PID_SETUP) { + dcd_event_setup_received(rhport, bd->addr, true); + KHCI->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK; + return; + } + + const unsigned bc = bd->bc; + const unsigned remaining = ep->remaining - bc; + if (remaining && bc == ep->max_packet_size) { + /* continue the transferring consecutive data */ + ep->remaining = remaining; + const int next_remaining = remaining - ep->max_packet_size; + if (next_remaining > 0) { + /* prepare to the after next transfer */ + bd->addr += ep->max_packet_size * 2; + bd->bc = next_remaining > ep->max_packet_size ? ep->max_packet_size: next_remaining; + __DSB(); + bd->own = 1; /* the own bit must set after addr */ + } + return; + } + const unsigned length = ep->length; + dcd_event_xfer_complete(rhport, + ((s & USB_STAT_TX_MASK) << 4) | (s >> USB_STAT_ENDP_SHIFT), + length - remaining, XFER_RESULT_SUCCESS, true); + if (0 == (s & USB_STAT_ENDP_MASK) && 0 == length) { + /* After completion a ZLP of control transfer, + * it prepares for the next steup transfer. */ + if (_dcd.addr) { + /* When the transfer was the SetAddress, + * the device address should be updated here. */ + KHCI->ADDR = _dcd.addr; + _dcd.addr = 0; + } + prepare_next_setup_packet(rhport); + } +} + +static void process_bus_reset(uint8_t rhport) +{ + KHCI->USBCTRL &= ~USB_USBCTRL_SUSP_MASK; + KHCI->CTL |= USB_CTL_ODDRST_MASK; + KHCI->ADDR = 0; + KHCI->INTEN = (KHCI->INTEN & ~USB_INTEN_RESUMEEN_MASK) | USB_INTEN_SLEEPEN_MASK; + + KHCI->ENDPOINT[0].ENDPT = USB_ENDPT_EPHSHK_MASK | USB_ENDPT_EPRXEN_MASK | USB_ENDPT_EPTXEN_MASK; + for (unsigned i = 1; i < 16; ++i) { + KHCI->ENDPOINT[i].ENDPT = 0; + } + buffer_descriptor_t *bd = _dcd.bdt[0][0]; + for (unsigned i = 0; i < sizeof(_dcd.bdt)/sizeof(*bd); ++i, ++bd) { + bd->head = 0; + } + const endpoint_state_t ep0 = { + .max_packet_size = CFG_TUD_ENDPOINT0_SIZE, + .odd = 0, + .length = 0, + .remaining = 0, + }; + _dcd.endpoint[0][0] = ep0; + _dcd.endpoint[0][1] = ep0; + tu_memclr(_dcd.endpoint[1], sizeof(_dcd.endpoint) - sizeof(_dcd.endpoint[0])); + _dcd.addr = 0; + prepare_next_setup_packet(rhport); + KHCI->CTL &= ~USB_CTL_ODDRST_MASK; + dcd_event_bus_signal(rhport, DCD_EVENT_BUS_RESET, true); +} + +static void process_bus_inactive(uint8_t rhport) +{ + (void) rhport; + const unsigned inten = KHCI->INTEN; + KHCI->INTEN = (inten & ~USB_INTEN_SLEEPEN_MASK) | USB_INTEN_RESUMEEN_MASK; + KHCI->USBCTRL |= USB_USBCTRL_SUSP_MASK; + dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true); +} + +static void process_bus_active(uint8_t rhport) +{ + (void) rhport; + KHCI->USBCTRL &= ~USB_USBCTRL_SUSP_MASK; + const unsigned inten = KHCI->INTEN; + KHCI->INTEN = (inten & ~USB_INTEN_RESUMEEN_MASK) | USB_INTEN_SLEEPEN_MASK; + dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); +} + +/*------------------------------------------------------------------*/ +/* Device API + *------------------------------------------------------------------*/ +void dcd_init(uint8_t rhport) +{ + (void) rhport; + + KHCI->USBTRC0 |= USB_USBTRC0_USBRESET_MASK; + while (KHCI->USBTRC0 & USB_USBTRC0_USBRESET_MASK); + tu_memclr(&_dcd, sizeof(_dcd)); + KHCI->USBTRC0 |= TU_BIT(6); /* software must set this bit to 1 */ + KHCI->BDTPAGE1 = (uint8_t)((uintptr_t)_dcd.bdt >> 8); + KHCI->BDTPAGE2 = (uint8_t)((uintptr_t)_dcd.bdt >> 16); + KHCI->BDTPAGE3 = (uint8_t)((uintptr_t)_dcd.bdt >> 24); + + dcd_connect(rhport); + NVIC_ClearPendingIRQ(USB0_IRQn); +} + +void dcd_int_enable(uint8_t rhport) +{ + (void) rhport; + KHCI->INTEN = USB_INTEN_USBRSTEN_MASK | USB_INTEN_TOKDNEEN_MASK | + USB_INTEN_SLEEPEN_MASK | USB_INTEN_ERROREN_MASK | USB_INTEN_STALLEN_MASK; + NVIC_EnableIRQ(USB0_IRQn); +} + +void dcd_int_disable(uint8_t rhport) +{ + (void) rhport; + NVIC_DisableIRQ(USB0_IRQn); + KHCI->INTEN = 0; +} + +void dcd_set_address(uint8_t rhport, uint8_t dev_addr) +{ + (void) rhport; + _dcd.addr = dev_addr & 0x7F; + /* Response with status first before changing device address */ + dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0); +} + +void dcd_remote_wakeup(uint8_t rhport) +{ + (void) rhport; + unsigned cnt = SystemCoreClock / 100; + KHCI->CTL |= USB_CTL_RESUME_MASK; + while (cnt--) __NOP(); + KHCI->CTL &= ~USB_CTL_RESUME_MASK; +} + +void dcd_connect(uint8_t rhport) +{ + (void) rhport; + KHCI->USBCTRL = 0; + KHCI->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK; + KHCI->CTL |= USB_CTL_USBENSOFEN_MASK; +} + +void dcd_disconnect(uint8_t rhport) +{ + (void) rhport; + KHCI->CTL = 0; + KHCI->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK; +} + +//--------------------------------------------------------------------+ +// Endpoint API +//--------------------------------------------------------------------+ +bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc) +{ + (void) rhport; + + const unsigned ep_addr = ep_desc->bEndpointAddress; + const unsigned epn = ep_addr & 0xFu; + const unsigned dir = ep_addr & TUSB_DIR_IN_MASK ? 1 : 0; + const unsigned xfer = ep_desc->bmAttributes.xfer; + endpoint_state_t *ep = &_dcd.endpoint[epn][dir]; + const unsigned odd = ep->odd; + buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][0]; + + /* No support for control transfer */ + TU_ASSERT(epn && (xfer != TUSB_XFER_CONTROL)); + + ep->max_packet_size = ep_desc->wMaxPacketSize.size; + unsigned val = USB_ENDPT_EPCTLDIS_MASK; + val |= (xfer != TUSB_XFER_ISOCHRONOUS) ? USB_ENDPT_EPHSHK_MASK: 0; + val |= dir ? USB_ENDPT_EPRXEN_MASK : USB_ENDPT_EPTXEN_MASK; + KHCI->ENDPOINT[epn].ENDPT |= val; + + if (xfer != TUSB_XFER_ISOCHRONOUS) { + bd[odd].dts = 1; + bd[odd].data = 0; + bd[odd ^ 1].dts = 1; + bd[odd ^ 1].data = 1; + } + return true; +} + +void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr) +{ + (void) rhport; + + const unsigned epn = ep_addr & 0xFu; + const unsigned dir = ep_addr & TUSB_DIR_IN_MASK ? 1 : 0; + endpoint_state_t *ep = &_dcd.endpoint[epn][dir]; + buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][0]; + + KHCI->ENDPOINT[epn].ENDPT = 0; + ep->max_packet_size = 0; + ep->length = 0; + ep->remaining = 0; + bd->head = 0; +} + +bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes) +{ + (void) rhport; + NVIC_DisableIRQ(USB0_IRQn); + const unsigned epn = ep_addr & 0xFu; + const unsigned dir = (ep_addr & TUSB_DIR_IN_MASK) ? TUSB_DIR_IN : TUSB_DIR_OUT; + endpoint_state_t *ep = &_dcd.endpoint[epn][dir]; + buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][ep->odd]; + + if (bd->own) { + TU_LOG1("DCD XFER fail %x %d %lx %lx\r\n", ep_addr, total_bytes, ep->state, bd->head); + return false; /* The last transfer has not completed */ + } + ep->length = total_bytes; + ep->remaining = total_bytes; + + const unsigned mps = ep->max_packet_size; + if (total_bytes > mps) { + buffer_descriptor_t *next = ep->odd ? bd - 1: bd + 1; + /* When total_bytes is greater than the max packet size, + * it prepares to the next transfer to avoid NAK in advance. */ + next->bc = total_bytes >= 2 * mps ? mps: total_bytes - mps; + next->addr = buffer + mps; + next->own = 1; + } + bd->bc = total_bytes >= mps ? mps: total_bytes; + bd->addr = buffer; + __DSB(); + bd->own = 1; /* the own bit must set after addr */ + NVIC_EnableIRQ(USB0_IRQn); + return true; +} + +void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) +{ + (void) rhport; + const unsigned epn = ep_addr & 0xFu; + KHCI->ENDPOINT[epn].ENDPT |= USB_ENDPT_EPSTALL_MASK; +} + +void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) +{ + (void) rhport; + const unsigned epn = ep_addr & 0xFu; + KHCI->ENDPOINT[epn].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; +} + +//--------------------------------------------------------------------+ +// ISR +//--------------------------------------------------------------------+ +void dcd_int_handler(uint8_t rhport) +{ + (void) rhport; + + uint32_t is = KHCI->ISTAT; + uint32_t msk = KHCI->INTEN; + KHCI->ISTAT = is & ~msk; + is &= msk; + if (is & USB_ISTAT_ERROR_MASK) { + /* TODO: */ + uint32_t es = KHCI->ERRSTAT; + KHCI->ERRSTAT = es; + KHCI->ISTAT = is; /* discard any pending events */ + return; + } + + if (is & USB_ISTAT_USBRST_MASK) { + KHCI->ISTAT = is; /* discard any pending events */ + process_bus_reset(rhport); + return; + } + if (is & USB_ISTAT_SLEEP_MASK) { + KHCI->ISTAT = USB_ISTAT_SLEEP_MASK; + process_bus_inactive(rhport); + return; + } + if (is & USB_ISTAT_RESUME_MASK) { + KHCI->ISTAT = USB_ISTAT_RESUME_MASK; + process_bus_active(rhport); + return; + } + if (is & USB_ISTAT_SOFTOK_MASK) { + KHCI->ISTAT = USB_ISTAT_SOFTOK_MASK; + dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true); + return; + } + if (is & USB_ISTAT_STALL_MASK) { + KHCI->ISTAT = USB_ISTAT_STALL_MASK; + process_stall(rhport); + return; + } + if (is & USB_ISTAT_TOKDNE_MASK) { + process_tokdne(rhport); + return; + } +} + +#endif diff --git a/src/tusb_option.h b/src/tusb_option.h index 2dd2b5841..71ea7692b 100644 --- a/src/tusb_option.h +++ b/src/tusb_option.h @@ -97,6 +97,10 @@ // Dialog #define OPT_MCU_DA1469X 1000 ///< Dialog Semiconductor DA1469x +// NXP Kinetis +#define OPT_MCU_MKL25ZXX 1100 ///< NXP MKL25Zxx + + /** @} */ /** \defgroup group_supported_os Supported RTOS |