diff --git a/hw/bsp/nrf/boards/feather_nrf52840_express/board.cmake b/hw/bsp/nrf/boards/feather_nrf52840_express/board.cmake index 0acbecf7a..78ed98225 100644 --- a/hw/bsp/nrf/boards/feather_nrf52840_express/board.cmake +++ b/hw/bsp/nrf/boards/feather_nrf52840_express/board.cmake @@ -1,6 +1,6 @@ set(MCU_VARIANT nrf52840) -set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/../../linker/nrf52840_s140_v6.ld) -# set(LD_FILE_GNU ${NRFX_DIR}/mdk/nrf52840_xxaa.ld) +#set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/../../linker/nrf52840_s140_v6.ld) +set(LD_FILE_GNU ${NRFX_DIR}/mdk/nrf52840_xxaa.ld) function(update_board TARGET) endfunction() diff --git a/hw/bsp/nrf/boards/feather_nrf52840_express/board.h b/hw/bsp/nrf/boards/feather_nrf52840_express/board.h index 8e6ce3230..e19f88a3c 100644 --- a/hw/bsp/nrf/boards/feather_nrf52840_express/board.h +++ b/hw/bsp/nrf/boards/feather_nrf52840_express/board.h @@ -45,6 +45,13 @@ #define UART_RX_PIN 24 #define UART_TX_PIN 25 +// SPI for USB host shield +#define SPI_SCK_PIN 14 +#define SPI_MOSI_PIN 13 +#define SPI_MISO_PIN 15 +#define SPI_CS_PIN 27 +#define MAX3241E_INT_PIN 26 + #ifdef __cplusplus } #endif diff --git a/hw/bsp/nrf/family.c b/hw/bsp/nrf/family.c index 9ca666e36..b6ed15122 100644 --- a/hw/bsp/nrf/family.c +++ b/hw/bsp/nrf/family.c @@ -40,6 +40,7 @@ #include "hal/nrf_gpio.h" #include "drivers/include/nrfx_power.h" #include "drivers/include/nrfx_uarte.h" +#include "drivers/include/nrfx_spim.h" #ifdef SOFTDEVICE_PRESENT #include "nrf_sdm.h" @@ -54,8 +55,7 @@ //--------------------------------------------------------------------+ // Forward USB interrupt events to TinyUSB IRQ Handler //--------------------------------------------------------------------+ -void USBD_IRQHandler(void) -{ +void USBD_IRQHandler(void) { tud_int_handler(0); } @@ -81,6 +81,7 @@ enum { #endif static nrfx_uarte_t _uart_id = NRFX_UARTE_INSTANCE(0); +static nrfx_spim_t _spi = NRFX_SPIM_INSTANCE(0); // tinyusb function that handles power event (detected, ready, removed) // We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled. @@ -88,13 +89,11 @@ extern void tusb_hal_nrf_power_event(uint32_t event); // nrf power callback, could be unused if SD is enabled or usb is disabled (board_test example) -TU_ATTR_UNUSED static void power_event_handler(nrfx_power_usb_evt_t event) -{ +TU_ATTR_UNUSED static void power_event_handler(nrfx_power_usb_evt_t event) { tusb_hal_nrf_power_event((uint32_t) event); } -void board_init(void) -{ +void board_init(void) { // stop LF clock just in case we jump from application without reset NRF_CLOCK->TASKS_LFCLKSTOP = 1UL; @@ -113,8 +112,7 @@ void board_init(void) SysTick_Config(SystemCoreClock/1000); // UART - nrfx_uarte_config_t uart_cfg = - { + nrfx_uarte_config_t uart_cfg = { .pseltxd = UART_TX_PIN, .pselrxd = UART_RX_PIN, .pselcts = NRF_UARTE_PSEL_DISCONNECTED, @@ -175,45 +173,78 @@ void board_init(void) if ( usb_reg & VBUSDETECT_Msk ) tusb_hal_nrf_power_event(USB_EVT_DETECTED); if ( usb_reg & OUTPUTRDY_Msk ) tusb_hal_nrf_power_event(USB_EVT_READY); #endif + + (void) _spi; +#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421E) && CFG_TUH_MAX3421E + // USB host using max3421e usb controller via SPI + nrfx_spim_config_t cfg = { + .sck_pin = SPI_SCK_PIN, + .mosi_pin = SPI_MOSI_PIN, + .miso_pin = SPI_MISO_PIN, + .ss_pin = SPI_CS_PIN, + .ss_active_high = false, + .irq_priority = 3, + .orc = 0xFF, + // default setting 4 Mhz, Mode 0, MSB first + .frequency = NRF_SPIM_FREQ_4M, + .mode = NRF_SPIM_MODE_0, + .bit_order = NRF_SPIM_BIT_ORDER_MSB_FIRST, + }; + + // no handler --> blocking + nrfx_spim_init(&_spi, &cfg, NULL, NULL); +#endif + } //--------------------------------------------------------------------+ // Board porting API //--------------------------------------------------------------------+ -void board_led_write(bool state) -{ - nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); +void board_led_write(bool state) { + nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON)); } -uint32_t board_button_read(void) -{ +uint32_t board_button_read(void) { return BUTTON_STATE_ACTIVE == nrf_gpio_pin_read(BUTTON_PIN); } -int board_uart_read(uint8_t* buf, int len) -{ - (void) buf; (void) len; +int board_uart_read(uint8_t *buf, int len) { + (void) buf; + (void) len; return 0; // return NRFX_SUCCESS == nrfx_uart_rx(&_uart_id, buf, (size_t) len) ? len : 0; } -int board_uart_write(void const * buf, int len) -{ - return (NRFX_SUCCESS == nrfx_uarte_tx(&_uart_id, (uint8_t const*) buf, (size_t) len)) ? len : 0; +int board_uart_write(void const *buf, int len) { + return (NRFX_SUCCESS == nrfx_uarte_tx(&_uart_id, (uint8_t const *) buf, (size_t) len)) ? len : 0; } #if CFG_TUSB_OS == OPT_OS_NONE volatile uint32_t system_ticks = 0; -void SysTick_Handler (void) -{ + +void SysTick_Handler(void) { system_ticks++; } -uint32_t board_millis(void) -{ +uint32_t board_millis(void) { return system_ticks; } + +#endif + +#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421E) && CFG_TUH_MAX3421E +// API: SPI transfer with MAX3421E, must be implemented by application +bool tuh_max3421e_spi_xfer_api(uint8_t rhport, uint8_t const * tx_buf, size_t tx_len, uint8_t * rx_buf, size_t rx_len) { + (void) rhport; + nrfx_spim_xfer_desc_t xfer = { + .p_tx_buffer = tx_buf, + .tx_length = tx_len, + .p_rx_buffer = rx_buf, + .rx_length = rx_len, + }; + return nrfx_spim_xfer(&_spi, &xfer, 0) == NRFX_SUCCESS; +} #endif #ifdef SOFTDEVICE_PRESENT @@ -251,8 +282,7 @@ void SD_EVT_IRQHandler(void) } } -void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info) -{ +void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info) { (void) id; (void) pc; (void) info; diff --git a/hw/bsp/nrf/family.cmake b/hw/bsp/nrf/family.cmake index 6c24d3658..527251e71 100644 --- a/hw/bsp/nrf/family.cmake +++ b/hw/bsp/nrf/family.cmake @@ -122,7 +122,7 @@ function(family_configure_example TARGET RTOS) family_add_tinyusb(${TARGET} OPT_MCU_NRF5X ${RTOS}) target_sources(${TARGET}-tinyusb PUBLIC ${TOP}/src/portable/nordic/nrf5x/dcd_nrf5x.c - #${TOP}/src/portable/analog/max3421e/hcd_max3421e.c + ${TOP}/src/portable/analog/max3421e/hcd_max3421e.c ) target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD}) diff --git a/hw/bsp/nrf/nrfx_config.h b/hw/bsp/nrf/nrfx_config.h index 696a3fb04..d0f718c6c 100644 --- a/hw/bsp/nrf/nrfx_config.h +++ b/hw/bsp/nrf/nrfx_config.h @@ -9,9 +9,8 @@ #define NRFX_UARTE_ENABLED 1 #define NRFX_UARTE0_ENABLED 1 -#define NRFX_UARTE1_ENABLED 0 -#define NRFX_UARTE2_ENABLED 0 -#define NRFX_UARTE3_ENABLED 0 +#define NRFX_SPIM_ENABLED 1 +#define NRFX_SPIM0_ENABLED 1 #define NRFX_PRS_ENABLED 0 #define NRFX_USBREG_ENABLED 1 diff --git a/src/portable/analog/max3421e/hcd_max3421e.c b/src/portable/analog/max3421e/hcd_max3421e.c new file mode 100644 index 000000000..7b9d73e4e --- /dev/null +++ b/src/portable/analog/max3421e/hcd_max3421e.c @@ -0,0 +1,302 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2023 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 "tusb_option.h" + +#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421E) && CFG_TUH_MAX3421E + +#include "host/hcd.h" + +//--------------------------------------------------------------------+ +// +//--------------------------------------------------------------------+ + +// Command format is +// Reg [7:3] | 0 [2] | Dir [1] | Ack [0] + +enum { + CMDBYTE_WRITE = 0x02, +}; + +enum { + RCVVFIFO_ADDR = 1u << 3, // 0x08 + SNDFIFO_ADDR = 2u << 3, // 0x10 + SUDFIFO_ADDR = 4u << 3, // 0x20 + RCVBC_ADDR = 6u << 3, // 0x30 + SNDBC_ADDR = 7u << 3, // 0x38 + USBIRQ_ADDR = 13u << 3, // 0x68 + USBIEN_ADDR = 14u << 3, // 0x70 + USBCTL_ADDR = 15u << 3, // 0x78 + CPUCTL_ADDR = 16u << 3, // 0x80 + PINCTL_ADDR = 17u << 3, // 0x88 + REVISION_ADDR = 18u << 3, // 0x90 + HIRQ_ADDR = 25u << 3, // 0xC8 + HIEN_ADDR = 26u << 3, // 0xD0 + MODE_ADDR = 27u << 3, // 0xD8 + PERADDR_ADDR = 28u << 3, // 0xE0 + HCTL_ADDR = 29u << 3, // 0xE8 + HXFR_ADDR = 30u << 3, // 0xF0 + HRSL_ADDR = 31u << 3, // 0xF8 +}; + +enum { + USBIRQ_OSCOK_IRQ = 1u << 0, + USBIRQ_NOVBUS_IRQ = 1u << 5, + USBIRQ_VBUS_IRQ = 1u << 6, +}; + +enum { + USBCTL_PWRDOWN = 1u << 4, + USBCTL_CHIPRES = 1u << 5, +}; + +enum { + CPUCTL_IE = 1u << 0, + CPUCTL_PULSEWID0 = 1u << 6, + CPUCTL_PULSEWID1 = 1u << 7, +}; + +enum { + PINCTL_GPXA = 1u << 0, + PINCTL_GPXB = 1u << 1, + PINCTL_POSINT = 1u << 2, + PINCTL_INTLEVEL = 1u << 3, + PINCTL_FDUPSPI = 1u << 4, +}; + +enum { + HIRQ_BUSEVENT_IRQ = 1u << 0, + HIRQ_RWU_IRQ = 1u << 1, + HIRQ_RCVDAV_IRQ = 1u << 2, + HIRQ_SNDBAV_IRQ = 1u << 3, + HIRQ_SUSDN_IRQ = 1u << 4, + HIRQ_CONDET_IRQ = 1u << 5, + HIRQ_FRAME_IRQ = 1u << 6, + HIRQ_HXFRDN_IRQ = 1u << 7, +}; + +enum { + MODE_HOST = 1u << 0, + MODE_LOWSPEED = 1u << 1, + MODE_HUBPRE = 1u << 2, + MODE_SOFKAENAB = 1u << 3, + MODE_SEPIRQ = 1u << 4, + MODE_DELAYISO = 1u << 5, + MODE_DMPULLDN = 1u << 6, + MODE_DPPULLDN = 1u << 7, +}; + +enum { + HCTL_BUSRST = 1u << 1, + HCTL_FRMRST = 1u << 2, + HCTL_SAMPLEBUS = 1u << 3, + HCTL_SIGRSM = 1u << 4, + HCTL_RCVTOG0 = 1u << 5, + HCTL_RCVTOG1 = 1u << 6, + HCTL_SNDTOG0 = 1u << 7, + HCTL_SNDTOG1 = 1u << 8, +}; + +enum { + HXFR_EPNUM_MASK = 0x0f, + HXFR_SETUP = 1u << 4, + HXFR_OUT_NIN = 1u << 5, + HXFR_ISO = 1u << 6, + HXFR_HS = 1u << 7, +}; + +enum { + HRSL_RESULT_MASK = 0x0f, + HRSL_RCVTOGRD = 1u << 4, + HRSL_SNDTOGRD = 1u << 5, + HRSL_KSTATUS = 1u << 6, + HRSL_JSTATUS = 1u << 7, +}; + +// API: SPI transfer with MAX3421E, must be implemented by application +bool tuh_max3421e_spi_xfer_api(uint8_t rhport, uint8_t const * tx_buf, size_t tx_len, uint8_t * rx_buf, size_t rx_len); + +// return HIRQ register since we are in full-duplex mode +static uint8_t reg_write(uint8_t reg, uint8_t data) { + uint8_t tx_buf[2] = {reg | CMDBYTE_WRITE, data}; + uint8_t rx_buf[2] = {0, 0}; + tuh_max3421e_spi_xfer_api(0, tx_buf, 2, rx_buf, 2); + return rx_buf[0]; +} + +static uint8_t reg_read(uint8_t reg) { + uint8_t tx_buf[2] = {reg, 0}; + uint8_t rx_buf[2] = {0, 0}; + return tuh_max3421e_spi_xfer_api(0, tx_buf, 2, rx_buf, 2) ? rx_buf[1] : 0; +} + + +//--------------------------------------------------------------------+ +// Controller API +//--------------------------------------------------------------------+ + +// optional hcd configuration, called by tuh_configure() +bool hcd_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param) { + (void) rhport; + (void) cfg_id; + (void) cfg_param; + + return false; +} + +// Initialize controller to host mode +bool hcd_init(uint8_t rhport) { + (void) rhport; + + // full duplex, interrupt level (should be configurable) + reg_write(PINCTL_ADDR, PINCTL_FDUPSPI | PINCTL_INTLEVEL); + + // reset + reg_write(USBCTL_ADDR, USBCTL_CHIPRES); + reg_write(USBCTL_ADDR, 0); + while( !(reg_read(USBIRQ_ADDR) & USBIRQ_OSCOK_IRQ) ) { + // wait for oscillator to stabilize + } + + // Mode: Host and DP/DM pull down + reg_write(MODE_ADDR, MODE_DPPULLDN | MODE_DMPULLDN | MODE_HOST); + + // Connection detection + reg_write(HIEN_ADDR, HIRQ_CONDET_IRQ /*| HIRQ_FRAME_IRQ */); + + return false; +} + +// Interrupt Handler +void hcd_int_handler(uint8_t rhport) { + (void) rhport; +} + +// Enable USB interrupt +void hcd_int_enable (uint8_t rhport) { + (void) rhport; +} + +// Disable USB interrupt +void hcd_int_disable(uint8_t rhport) { + (void) rhport; +} + +// Get frame number (1ms) +uint32_t hcd_frame_number(uint8_t rhport) { + (void) rhport; + + return 0; +} + +//--------------------------------------------------------------------+ +// Port API +//--------------------------------------------------------------------+ + +// Get the current connect status of roothub port +bool hcd_port_connect_status(uint8_t rhport) { + (void) rhport; + + return false; +} + +// Reset USB bus on the port. Return immediately, bus reset sequence may not be complete. +// Some port would require hcd_port_reset_end() to be invoked after 10ms to complete the reset sequence. +void hcd_port_reset(uint8_t rhport) { + (void) rhport; +} + +// Complete bus reset sequence, may be required by some controllers +void hcd_port_reset_end(uint8_t rhport) { + (void) rhport; +} + +// Get port link speed +tusb_speed_t hcd_port_speed_get(uint8_t rhport) { + (void) rhport; + + return TUSB_SPEED_FULL; +} + +// HCD closes all opened endpoints belong to this device +void hcd_device_close(uint8_t rhport, uint8_t dev_addr) { + (void) rhport; + (void) dev_addr; +} + +//--------------------------------------------------------------------+ +// Endpoints API +//--------------------------------------------------------------------+ + +// Open an endpoint +bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc) { + (void) rhport; + (void) dev_addr; + (void) ep_desc; + + return false; +} + +// Submit a transfer, when complete hcd_event_xfer_complete() must be invoked +bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen) { + (void) rhport; + (void) dev_addr; + (void) ep_addr; + (void) buffer; + (void) buflen; + + return false; +} + +// Abort a queued transfer. Note: it can only abort transfer that has not been started +// Return true if a queued transfer is aborted, false if there is no transfer to abort +bool hcd_edpt_abort_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) { + (void) rhport; + (void) dev_addr; + (void) ep_addr; + + return false; +} + +// Submit a special transfer to send 8-byte Setup Packet, when complete hcd_event_xfer_complete() must be invoked +bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]) { + (void) rhport; + (void) dev_addr; + (void) setup_packet; + + return false; +} + +// clear stall, data toggle is also reset to DATA0 +bool hcd_edpt_clear_stall(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) { + (void) rhport; + (void) dev_addr; + (void) ep_addr; + + return false; +} + +#endif