diff --git a/.idea/cmake.xml b/.idea/cmake.xml index dd219bc77..7e0a9be92 100644 --- a/.idea/cmake.xml +++ b/.idea/cmake.xml @@ -78,11 +78,13 @@ - + + - + + diff --git a/examples/host/bare_api/only.txt b/examples/host/bare_api/only.txt index 31dcb108c..cba58f8e8 100644 --- a/examples/host/bare_api/only.txt +++ b/examples/host/bare_api/only.txt @@ -18,3 +18,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/examples/host/cdc_msc_hid/only.txt b/examples/host/cdc_msc_hid/only.txt index 31dcb108c..cba58f8e8 100644 --- a/examples/host/cdc_msc_hid/only.txt +++ b/examples/host/cdc_msc_hid/only.txt @@ -18,3 +18,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/examples/host/cdc_msc_hid_freertos/only.txt b/examples/host/cdc_msc_hid_freertos/only.txt index d939d4e7b..576271aff 100644 --- a/examples/host/cdc_msc_hid_freertos/only.txt +++ b/examples/host/cdc_msc_hid_freertos/only.txt @@ -15,3 +15,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/examples/host/device_info/only.txt b/examples/host/device_info/only.txt index 94ddc73c3..133a7c9a0 100644 --- a/examples/host/device_info/only.txt +++ b/examples/host/device_info/only.txt @@ -21,3 +21,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/examples/host/hid_controller/only.txt b/examples/host/hid_controller/only.txt index 31dcb108c..cba58f8e8 100644 --- a/examples/host/hid_controller/only.txt +++ b/examples/host/hid_controller/only.txt @@ -18,3 +18,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/examples/host/midi_rx/only.txt b/examples/host/midi_rx/only.txt index 94ddc73c3..133a7c9a0 100644 --- a/examples/host/midi_rx/only.txt +++ b/examples/host/midi_rx/only.txt @@ -21,3 +21,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/examples/host/msc_file_explorer/only.txt b/examples/host/msc_file_explorer/only.txt index 31dcb108c..cba58f8e8 100644 --- a/examples/host/msc_file_explorer/only.txt +++ b/examples/host/msc_file_explorer/only.txt @@ -18,3 +18,5 @@ mcu:STM32F7 mcu:STM32H7 mcu:STM32H7RS mcu:STM32N6 +family:samd21 +family:samd5x_e5x diff --git a/hw/bsp/samd21/boards/atsamd21_xpro/board.h b/hw/bsp/samd21/boards/atsamd21_xpro/board.h index 6d2e40c56..82ab321cf 100644 --- a/hw/bsp/samd21/boards/atsamd21_xpro/board.h +++ b/hw/bsp/samd21/boards/atsamd21_xpro/board.h @@ -48,6 +48,11 @@ #define UART_RX_PIN 4 #define UART_TX_PIN 5 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/circuitplayground_express/board.h b/hw/bsp/samd21/boards/circuitplayground_express/board.h index 6a4ec32a9..bfe2d9951 100644 --- a/hw/bsp/samd21/boards/circuitplayground_express/board.h +++ b/hw/bsp/samd21/boards/circuitplayground_express/board.h @@ -48,6 +48,10 @@ #define UART_RX_PIN 4 #define UART_TX_PIN 5 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/curiosity_nano/board.h b/hw/bsp/samd21/boards/curiosity_nano/board.h index 78d701ec9..a2a7385a4 100644 --- a/hw/bsp/samd21/boards/curiosity_nano/board.h +++ b/hw/bsp/samd21/boards/curiosity_nano/board.h @@ -48,6 +48,10 @@ #define UART_RX_PIN 31 // CDC5_RX #define UART_TX_PIN 37 // CDC5_TX +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/cynthion_d21/board.h b/hw/bsp/samd21/boards/cynthion_d21/board.h index 6a2b8c5c6..83782bc65 100644 --- a/hw/bsp/samd21/boards/cynthion_d21/board.h +++ b/hw/bsp/samd21/boards/cynthion_d21/board.h @@ -44,6 +44,10 @@ #define BUTTON_PIN PIN_PB22 #define BUTTON_STATE_ACTIVE 0 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/feather_m0_express/board.h b/hw/bsp/samd21/boards/feather_m0_express/board.h index a7f9122ee..6fe13eb30 100644 --- a/hw/bsp/samd21/boards/feather_m0_express/board.h +++ b/hw/bsp/samd21/boards/feather_m0_express/board.h @@ -63,6 +63,10 @@ #define MAX3421_INTR_PIN 7 // D10 #define MAX3421_INTR_EIC_ID 7 // EIC7 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/itsybitsy_m0/board.h b/hw/bsp/samd21/boards/itsybitsy_m0/board.h index 15a0afb15..d901b2ea4 100644 --- a/hw/bsp/samd21/boards/itsybitsy_m0/board.h +++ b/hw/bsp/samd21/boards/itsybitsy_m0/board.h @@ -48,6 +48,10 @@ #define UART_RX_PIN 4 #define UART_TX_PIN 5 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/metro_m0_express/board.h b/hw/bsp/samd21/boards/metro_m0_express/board.h index 405c92b02..726de3259 100644 --- a/hw/bsp/samd21/boards/metro_m0_express/board.h +++ b/hw/bsp/samd21/boards/metro_m0_express/board.h @@ -63,6 +63,9 @@ #define MAX3421_INTR_PIN 7 // D9 #define MAX3421_INTR_EIC_ID 7 // EIC7 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} #ifdef __cplusplus } diff --git a/hw/bsp/samd21/boards/qtpy/board.h b/hw/bsp/samd21/boards/qtpy/board.h index 29a9f727f..b1cf338e4 100644 --- a/hw/bsp/samd21/boards/qtpy/board.h +++ b/hw/bsp/samd21/boards/qtpy/board.h @@ -44,6 +44,10 @@ #define UART_RX_PIN 8 #define UART_TX_PIN 7 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/seeeduino_xiao/board.h b/hw/bsp/samd21/boards/seeeduino_xiao/board.h index 0a6d1fc7d..1c434c68c 100644 --- a/hw/bsp/samd21/boards/seeeduino_xiao/board.h +++ b/hw/bsp/samd21/boards/seeeduino_xiao/board.h @@ -48,6 +48,10 @@ #define UART_RX_PIN 4 #define UART_TX_PIN 5 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.h b/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.h index 85be34008..a05cf5e4e 100644 --- a/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.h +++ b/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.h @@ -37,17 +37,23 @@ #endif // LED -#define LED_PIN /*PA*/17 /*(D13)*/ +#define LED_PIN 17 // PA17 (D13) #define LED_STATE_ON 1 // Button -#define BUTTON_PIN /*PA*/14 /*(D2)*/ +#define BUTTON_PIN 14 // PA14 (D2) #define BUTTON_STATE_ACTIVE 0 // UART #define UART_SERCOM 0 -#define UART_RX_PIN /*PA*/11 /*(D0)*/ -#define UART_TX_PIN /*PA*/10 /*(D1)*/ +#define UART_RX_PIN 11 // PA11 D0 +#define UART_TX_PIN 10 // PA10 D1 + +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; + gpio_set_pin_direction(PIN_PA28, GPIO_DIRECTION_OUT); + gpio_set_pin_level(PIN_PA28, state); +} #ifdef __cplusplus } diff --git a/hw/bsp/samd21/boards/trinket_m0/board.h b/hw/bsp/samd21/boards/trinket_m0/board.h index 22e7cb77f..01ad83089 100644 --- a/hw/bsp/samd21/boards/trinket_m0/board.h +++ b/hw/bsp/samd21/boards/trinket_m0/board.h @@ -38,3 +38,7 @@ #define UART_SERCOM 0 #define UART_RX_PIN 7 #define UART_TX_PIN 6 + +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} diff --git a/hw/bsp/samd21/family.c b/hw/bsp/samd21/family.c index c360a4a5a..14e60e917 100644 --- a/hw/bsp/samd21/family.c +++ b/hw/bsp/samd21/family.c @@ -30,7 +30,6 @@ #include "sam.h" #include "bsp/board_api.h" -#include "board.h" // Suppress warning caused by mcu driver #ifdef __GNUC__ @@ -50,6 +49,9 @@ #pragma GCC diagnostic pop #endif +static inline void board_vbus_set(uint8_t rhport, bool state) TU_ATTR_UNUSED; +#include "board.h" + //--------------------------------------------------------------------+ // MACRO TYPEDEF CONSTANT ENUM DECLARATION //--------------------------------------------------------------------+ @@ -64,7 +66,13 @@ // Forward USB interrupt events to TinyUSB IRQ Handler //--------------------------------------------------------------------+ void USB_Handler(void) { +#if CFG_TUD_ENABLED tud_int_handler(0); +#endif + +#if CFG_TUH_ENABLED && !CFG_TUH_MAX3421 + tuh_int_handler(0); +#endif } //--------------------------------------------------------------------+ @@ -72,11 +80,9 @@ void USB_Handler(void) { //--------------------------------------------------------------------+ static void uart_init(void); -#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421 +#if CFG_TUH_ENABLED && CFG_TUH_MAX3421 #define MAX3421_SERCOM TU_XSTRCAT(SERCOM, MAX3421_SERCOM_ID) - static void max3421_init(void); - #endif void board_init(void) { @@ -144,8 +150,13 @@ void board_init(void) { gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3); _gclk_enable_channel(TCC0_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val); -#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421 - max3421_init(); +#if CFG_TUH_ENABLED + #if CFG_TUH_MAX3421 + max3421_init(); + #else + // VBUS Power + board_vbus_set(0, true); + #endif #endif } diff --git a/hw/bsp/samd21/family.cmake b/hw/bsp/samd21/family.cmake index 4a10d6224..3c600318e 100644 --- a/hw/bsp/samd21/family.cmake +++ b/hw/bsp/samd21/family.cmake @@ -99,6 +99,7 @@ function(family_configure_example TARGET RTOS) family_add_tinyusb(${TARGET} OPT_MCU_SAMD21) target_sources(${TARGET} PUBLIC ${TOP}/src/portable/microchip/samd/dcd_samd.c + ${TOP}/src/portable/microchip/samd/hcd_samd.c ) target_link_libraries(${TARGET} PUBLIC board_${BOARD}) diff --git a/hw/bsp/samd21/family.mk b/hw/bsp/samd21/family.mk index 08c5c5b0e..a2c37b2b6 100644 --- a/hw/bsp/samd21/family.mk +++ b/hw/bsp/samd21/family.mk @@ -23,6 +23,7 @@ LDFLAGS_CLANG += SRC_C += \ src/portable/microchip/samd/dcd_samd.c \ + src/portable/microchip/samd/hcd_samd.c \ ${SDK_DIR}/gcc/gcc/startup_samd21.c \ ${SDK_DIR}/gcc/system_samd21.c \ ${SDK_DIR}/hal/src/hal_atomic.c \ diff --git a/hw/bsp/samd5x_e5x/boards/d5035_01/board.h b/hw/bsp/samd5x_e5x/boards/d5035_01/board.h index 4eb4a4ebe..caa79f2dd 100644 --- a/hw/bsp/samd5x_e5x/boards/d5035_01/board.h +++ b/hw/bsp/samd5x_e5x/boards/d5035_01/board.h @@ -45,156 +45,10 @@ // UART: HWREV < 3: SERCOM5 on PB02, otherwise SERCOM0 on PA08 // XTAL configure is also different for HWREV as well -#if 0 -static inline void init_clock(void) { - /* AUTOWS is enabled by default in REG_NVMCTRL_CTRLA - no need to change the number of wait states when changing the core clock */ -#if HWREV == 1 - /* configure XOSC1 for a 16MHz crystal connected to XIN1/XOUT1 */ - OSCCTRL->XOSCCTRL[1].reg = - OSCCTRL_XOSCCTRL_STARTUP(6) | // 1,953 ms - OSCCTRL_XOSCCTRL_RUNSTDBY | - OSCCTRL_XOSCCTRL_ENALC | - OSCCTRL_XOSCCTRL_IMULT(4) | - OSCCTRL_XOSCCTRL_IPTAT(3) | - OSCCTRL_XOSCCTRL_XTALEN | - OSCCTRL_XOSCCTRL_ENABLE; - while(0 == OSCCTRL->STATUS.bit.XOSCRDY1); - - OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(3) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC1_Val); /* pre-scaler = 8, input = XOSC1 */ - OSCCTRL->Dpll[0].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(39); /* multiply by 40 -> 80 MHz */ - OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE; - while(0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */ - - OSCCTRL->Dpll[1].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(7) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC1_Val); /* pre-scaler = 16, input = XOSC1 */ - OSCCTRL->Dpll[1].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(47); /* multiply by 48 -> 48 MHz */ - OSCCTRL->Dpll[1].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE; - while(0 == OSCCTRL->Dpll[1].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL1 to be ready */ -#else // HWREV >= 1 - /* configure XOSC0 for a 16MHz crystal connected to XIN0/XOUT0 */ - OSCCTRL->XOSCCTRL[0].reg = - OSCCTRL_XOSCCTRL_STARTUP(6) | // 1,953 ms - OSCCTRL_XOSCCTRL_RUNSTDBY | - OSCCTRL_XOSCCTRL_ENALC | - OSCCTRL_XOSCCTRL_IMULT(4) | - OSCCTRL_XOSCCTRL_IPTAT(3) | - OSCCTRL_XOSCCTRL_XTALEN | - OSCCTRL_XOSCCTRL_ENABLE; - while (0 == OSCCTRL->STATUS.bit.XOSCRDY0); - - OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(3) | OSCCTRL_DPLLCTRLB_REFCLK( - OSCCTRL_DPLLCTRLB_REFCLK_XOSC0_Val); /* pre-scaler = 8, input = XOSC1 */ - OSCCTRL->Dpll[0].DPLLRATIO.reg = - OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(39); /* multiply by 40 -> 80 MHz */ - OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE; - while (0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */ - - OSCCTRL->Dpll[1].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(7) | OSCCTRL_DPLLCTRLB_REFCLK( - OSCCTRL_DPLLCTRLB_REFCLK_XOSC0_Val); /* pre-scaler = 16, input = XOSC1 */ - OSCCTRL->Dpll[1].DPLLRATIO.reg = - OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(47); /* multiply by 48 -> 48 MHz */ - OSCCTRL->Dpll[1].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE; - while (0 == OSCCTRL->Dpll[1].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL1 to be ready */ -#endif // HWREV - - /* configure clock-generator 0 to use DPLL0 as source -> GCLK0 is used for the core */ - GCLK->GENCTRL[0].reg = - GCLK_GENCTRL_DIV(0) | - GCLK_GENCTRL_RUNSTDBY | - GCLK_GENCTRL_GENEN | - GCLK_GENCTRL_SRC_DPLL0 | /* DPLL0 */ - GCLK_GENCTRL_IDC; - while (1 == GCLK->SYNCBUSY.bit.GENCTRL0); /* wait for the synchronization between clock domains to be complete */ - - /* configure clock-generator 1 to use DPLL1 as source -> for use with some peripheral */ - GCLK->GENCTRL[1].reg = - GCLK_GENCTRL_DIV(0) | - GCLK_GENCTRL_RUNSTDBY | - GCLK_GENCTRL_GENEN | - GCLK_GENCTRL_SRC_DPLL1 | - GCLK_GENCTRL_IDC; - while (1 == GCLK->SYNCBUSY.bit.GENCTRL1); /* wait for the synchronization between clock domains to be complete */ - - /* configure clock-generator 2 to use DPLL0 as source -> for use with SERCOM */ - GCLK->GENCTRL[2].reg = - GCLK_GENCTRL_DIV(1) | /* 80MHz */ - GCLK_GENCTRL_RUNSTDBY | - GCLK_GENCTRL_GENEN | - GCLK_GENCTRL_SRC_DPLL0 | - GCLK_GENCTRL_IDC; - while (1 == GCLK->SYNCBUSY.bit.GENCTRL2); /* wait for the synchronization between clock domains to be complete */ +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; } -static inline void uart_init(void) { -#if HWREV < 3 - /* configure SERCOM5 on PB02 */ - PORT->Group[1].WRCONFIG.reg = - PORT_WRCONFIG_WRPINCFG | - PORT_WRCONFIG_WRPMUX | - PORT_WRCONFIG_PMUX(3) | /* function D */ - PORT_WRCONFIG_DRVSTR | - PORT_WRCONFIG_PINMASK(0x0004) | /* PB02 */ - PORT_WRCONFIG_PMUXEN; - - MCLK->APBDMASK.bit.SERCOM5_ = 1; - GCLK->PCHCTRL[SERCOM5_GCLK_ID_CORE].reg = - GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN; /* setup SERCOM to use GLCK2 -> 80MHz */ - - SERCOM5->USART.CTRLA.reg = 0x00; /* disable SERCOM -> enable config */ - while (SERCOM5->USART.SYNCBUSY.bit.ENABLE); - - SERCOM5->USART.CTRLA.reg = /* CMODE = 0 -> async, SAMPA = 0, FORM = 0 -> USART frame, SMPR = 0 -> arithmetic baud rate */ - SERCOM_USART_CTRLA_SAMPR(1) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */ - // SERCOM_USART_CTRLA_FORM(0) | /* 0 = USART Frame, 2 = LIN Master */ - SERCOM_USART_CTRLA_DORD | /* LSB first */ - SERCOM_USART_CTRLA_MODE(1) | /* 0 = Asynchronous, 1 = USART with internal clock */ - SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */ - SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */ - - SERCOM5->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */ - SERCOM_USART_CTRLB_TXEN; /* transmitter enabled */ - SERCOM5->USART.CTRLC.reg = 0x00; - // 21.701388889 @ baud rate of 230400 bit/s, table 33-2, p 918 of DS60001507E - SERCOM5->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(7) | SERCOM_USART_BAUD_FRAC_BAUD(21); - -// SERCOM5->USART.INTENSET.reg = SERCOM_USART_INTENSET_TXC; - SERCOM5->SPI.CTRLA.bit.ENABLE = 1; /* activate SERCOM */ - while (SERCOM5->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */ -#else - /* configure SERCOM0 on PA08 */ - PORT->Group[0].WRCONFIG.reg = - PORT_WRCONFIG_WRPINCFG | - PORT_WRCONFIG_WRPMUX | - PORT_WRCONFIG_PMUX(2) | /* function C */ - PORT_WRCONFIG_DRVSTR | - PORT_WRCONFIG_PINMASK(0x0100) | /* PA08 */ - PORT_WRCONFIG_PMUXEN; - - MCLK->APBAMASK.bit.SERCOM0_ = 1; - GCLK->PCHCTRL[SERCOM0_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN; /* setup SERCOM to use GLCK2 -> 80MHz */ - - SERCOM0->USART.CTRLA.reg = 0x00; /* disable SERCOM -> enable config */ - while(SERCOM0->USART.SYNCBUSY.bit.ENABLE); - - SERCOM0->USART.CTRLA.reg = /* CMODE = 0 -> async, SAMPA = 0, FORM = 0 -> USART frame, SMPR = 0 -> arithmetic baud rate */ - SERCOM_USART_CTRLA_SAMPR(1) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */ - // SERCOM_USART_CTRLA_FORM(0) | /* 0 = USART Frame, 2 = LIN Master */ - SERCOM_USART_CTRLA_DORD | /* LSB first */ - SERCOM_USART_CTRLA_MODE(1) | /* 0 = Asynchronous, 1 = USART with internal clock */ - SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */ - SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */ - - SERCOM0->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */ - SERCOM_USART_CTRLB_TXEN; /* transmitter enabled */ - SERCOM0->USART.CTRLC.reg = 0x00; - // 21.701388889 @ baud rate of 230400 bit/s, table 33-2, p 918 of DS60001507E - SERCOM0->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(7) | SERCOM_USART_BAUD_FRAC_BAUD(21); - - // SERCOM0->USART.INTENSET.reg = SERCOM_USART_INTENSET_TXC; - SERCOM0->SPI.CTRLA.bit.ENABLE = 1; /* activate SERCOM */ - while(SERCOM0->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */ -#endif -} -#endif #ifdef __cplusplus } diff --git a/hw/bsp/samd5x_e5x/boards/feather_m4_express/board.h b/hw/bsp/samd5x_e5x/boards/feather_m4_express/board.h index edb965c9d..a6882e427 100644 --- a/hw/bsp/samd5x_e5x/boards/feather_m4_express/board.h +++ b/hw/bsp/samd5x_e5x/boards/feather_m4_express/board.h @@ -65,6 +65,10 @@ #define MAX3421_INTR_PIN 19 // D9 #define MAX3421_INTR_EIC_ID 3 // EIC3 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd5x_e5x/boards/itsybitsy_m4/board.h b/hw/bsp/samd5x_e5x/boards/itsybitsy_m4/board.h index d41ca4ac3..4e1a6f9dd 100644 --- a/hw/bsp/samd5x_e5x/boards/itsybitsy_m4/board.h +++ b/hw/bsp/samd5x_e5x/boards/itsybitsy_m4/board.h @@ -48,6 +48,10 @@ #define UART_TX_PIN 16 #define UART_RX_PIN 17 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd5x_e5x/boards/metro_m4_express/board.h b/hw/bsp/samd5x_e5x/boards/metro_m4_express/board.h index b2eaaa54d..b76e317a5 100644 --- a/hw/bsp/samd5x_e5x/boards/metro_m4_express/board.h +++ b/hw/bsp/samd5x_e5x/boards/metro_m4_express/board.h @@ -63,6 +63,9 @@ #define MAX3421_INTR_PIN 20 // D9 #define MAX3421_INTR_EIC_ID 4 // EIC4 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} #ifdef __cplusplus } diff --git a/hw/bsp/samd5x_e5x/boards/pybadge/board.h b/hw/bsp/samd5x_e5x/boards/pybadge/board.h index a5d447db6..598d8cc88 100644 --- a/hw/bsp/samd5x_e5x/boards/pybadge/board.h +++ b/hw/bsp/samd5x_e5x/boards/pybadge/board.h @@ -48,6 +48,10 @@ #define UART_TX_PIN (32 + 17) #define UART_RX_PIN (32 + 16) +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd5x_e5x/boards/pyportal/board.h b/hw/bsp/samd5x_e5x/boards/pyportal/board.h index e635e1375..7e7370681 100644 --- a/hw/bsp/samd5x_e5x/boards/pyportal/board.h +++ b/hw/bsp/samd5x_e5x/boards/pyportal/board.h @@ -48,6 +48,10 @@ #define UART_TX_PIN (32 + 13) #define UART_RX_PIN (32 + 12) +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd5x_e5x/boards/same54_xplained/board.h b/hw/bsp/samd5x_e5x/boards/same54_xplained/board.h index 6c252f9d0..868c02a66 100644 --- a/hw/bsp/samd5x_e5x/boards/same54_xplained/board.h +++ b/hw/bsp/samd5x_e5x/boards/same54_xplained/board.h @@ -48,6 +48,10 @@ //#define UART_TX_PIN 23 //#define UART_RX_PIN 22 +static inline void board_vbus_set(uint8_t rhport, bool state) { + (void) rhport; (void) state; +} + #ifdef __cplusplus } #endif diff --git a/hw/bsp/samd5x_e5x/family.c b/hw/bsp/samd5x_e5x/family.c index 8ceddb1be..d53aa00d6 100644 --- a/hw/bsp/samd5x_e5x/family.c +++ b/hw/bsp/samd5x_e5x/family.c @@ -30,7 +30,6 @@ #include "sam.h" #include "bsp/board_api.h" -#include "board.h" // Suppress warning caused by mcu driver #ifdef __GNUC__ @@ -47,6 +46,9 @@ #pragma GCC diagnostic pop #endif +static inline void board_vbus_set(uint8_t rhport, bool state) TU_ATTR_UNUSED; +#include "board.h" + //--------------------------------------------------------------------+ // MACRO TYPEDEF CONSTANT ENUM DECLARATION //--------------------------------------------------------------------+ @@ -60,31 +62,28 @@ //--------------------------------------------------------------------+ // Forward USB interrupt events to TinyUSB IRQ Handler //--------------------------------------------------------------------+ -void USB_0_Handler(void) { +TU_ATTR_ALWAYS_INLINE static inline void USB_Any_Handler(void) { +#if CFG_TUD_ENABLED tud_int_handler(0); +#endif + +#if CFG_TUH_ENABLED && !CFG_TUH_MAX3421 + tuh_int_handler(0); +#endif } -void USB_1_Handler(void) { - tud_int_handler(0); -} - -void USB_2_Handler(void) { - tud_int_handler(0); -} - -void USB_3_Handler(void) { - tud_int_handler(0); -} +void USB_0_Handler(void) { USB_Any_Handler(); } +void USB_1_Handler(void) { USB_Any_Handler(); } +void USB_2_Handler(void) { USB_Any_Handler(); } +void USB_3_Handler(void) { USB_Any_Handler(); } //--------------------------------------------------------------------+ // Implementation //--------------------------------------------------------------------+ #if CFG_TUH_ENABLED && CFG_TUH_MAX3421 - #define MAX3421_SERCOM TU_XSTRCAT(SERCOM, MAX3421_SERCOM_ID) #define MAX3421_EIC_Handler TU_XSTRCAT3(EIC_, MAX3421_INTR_EIC_ID, _Handler) - static void max3421_init(void); #endif @@ -142,8 +141,13 @@ void board_init(void) { gpio_set_pin_function(PIN_PA24, PINMUX_PA24H_USB_DM); gpio_set_pin_function(PIN_PA25, PINMUX_PA25H_USB_DP); -#if CFG_TUH_ENABLED && CFG_TUH_MAX3421 - max3421_init(); +#if CFG_TUH_ENABLED + #if defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421 + max3421_init(); + #else + // VBUS Power + board_vbus_set(0, true); + #endif #endif } diff --git a/hw/bsp/samd5x_e5x/family.cmake b/hw/bsp/samd5x_e5x/family.cmake index 50e0ec66d..516290593 100644 --- a/hw/bsp/samd5x_e5x/family.cmake +++ b/hw/bsp/samd5x_e5x/family.cmake @@ -96,6 +96,7 @@ function(family_configure_example TARGET RTOS) family_add_tinyusb(${TARGET} OPT_MCU_SAMD51) target_sources(${TARGET} PUBLIC ${TOP}/src/portable/microchip/samd/dcd_samd.c + ${TOP}/src/portable/microchip/samd/hcd_samd.c ) target_link_libraries(${TARGET} PUBLIC board_${BOARD}) diff --git a/hw/bsp/samd5x_e5x/family.mk b/hw/bsp/samd5x_e5x/family.mk index 9b1a23db4..f0a4a3f00 100644 --- a/hw/bsp/samd5x_e5x/family.mk +++ b/hw/bsp/samd5x_e5x/family.mk @@ -18,6 +18,7 @@ LDFLAGS_GCC += \ SRC_C += \ src/portable/microchip/samd/dcd_samd.c \ + src/portable/microchip/samd/hcd_samd.c \ ${SDK_DIR}/gcc/gcc/startup_${SAM_FAMILY}.c \ ${SDK_DIR}/gcc/system_${SAM_FAMILY}.c \ ${SDK_DIR}/hpl/gclk/hpl_gclk.c \ diff --git a/src/portable/microchip/samd/hcd_samd.c b/src/portable/microchip/samd/hcd_samd.c new file mode 100644 index 000000000..1f4b2b233 --- /dev/null +++ b/src/portable/microchip/samd/hcd_samd.c @@ -0,0 +1,765 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2024 ChrisDeadman + * + * 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_MAX3421) && CFG_TUH_MAX3421) && \ + (CFG_TUSB_MCU == OPT_MCU_SAMD11 || CFG_TUSB_MCU == OPT_MCU_SAMD21 || \ + CFG_TUSB_MCU == OPT_MCU_SAMD51 || CFG_TUSB_MCU == OPT_MCU_SAME5X || \ + CFG_TUSB_MCU == OPT_MCU_SAML22 || CFG_TUSB_MCU == OPT_MCU_SAML21) + +#include "host/hcd.h" +#include "sam.h" + +/*------------------------------------------------------------------*/ +/* MACRO TYPEDEF CONSTANT ENUM + *------------------------------------------------------------------*/ +#define USB_HOST_PTYPE_DIS 0x0 +#define USB_HOST_PTYPE_CTRL 0x1 +#define USB_HOST_PTYPE_ISO 0x2 +#define USB_HOST_PTYPE_BULK 0x3 +#define USB_HOST_PTYPE_INT 0x4 +#define USB_HOST_PTYPE_EXT 0x5 + +#define USB_HOST_PCFG_PTOKEN_SETUP 0x0 +#define USB_HOST_PCFG_PTOKEN_IN 0x1 +#define USB_HOST_PCFG_PTOKEN_OUT 0x2 + +#define USB_PCKSIZE_ENUM(size) \ + ((size) >= 1024 ? 7 \ + : (size) >= 1023 ? 7 \ + : (size) > 256 ? 6 \ + : (size) > 128 ? 5 \ + : (size) > 64 ? 4 \ + : (size) > 32 ? 3 \ + : (size) > 16 ? 2 \ + : (size) > 8 ? 1 \ + : 0) + +// Uncomment to use fake frame number. +// Low-Speed devices stall FNUM during enumeration :/ +// #define HCD_SAMD_FAKE_FNUM + +typedef struct { + uint8_t dev_addr; + uint8_t ep_addr; + uint16_t max_packet_size; + uint16_t xfer_length; + uint16_t xfer_remaining; +} usb_pipe_status_t; + +CFG_TUH_MEM_SECTION CFG_TUH_MEM_ALIGN static volatile UsbHostDescriptor usb_pipe_table[USB_PIPE_NUM]; + +CFG_TUH_MEM_SECTION CFG_TUH_MEM_ALIGN static volatile usb_pipe_status_t usb_pipe_status_table[USB_PIPE_NUM]; + +CFG_TUH_MEM_SECTION CFG_TUH_MEM_ALIGN static volatile uint32_t fake_fnum; + +static uint8_t samd_configure_pipe(uint8_t dev_addr, uint8_t ep_addr) +{ + uint8_t pipe; + uint8_t token; + volatile usb_pipe_status_t* pipe_status; + bool same_addr = false; + bool same_ep_addr = false; + + // evaluate pipe token + token = (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) ? USB_HOST_PCFG_PTOKEN_IN + : tu_edpt_number(ep_addr) == 0 ? USB_HOST_PCFG_PTOKEN_SETUP + : USB_HOST_PCFG_PTOKEN_OUT; + + TU_LOG3("samd_configure_pipe(token=%02X, dev_addr=%02X, ep_addr=%02X)=", token, dev_addr, ep_addr); + + // find already allocated pipe + for (pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + pipe_status = &usb_pipe_status_table[pipe]; + same_addr = (pipe_status->dev_addr == dev_addr); + same_ep_addr = (tu_edpt_number(pipe_status->ep_addr) == tu_edpt_number(ep_addr)); + if (same_ep_addr && (same_addr || (tu_edpt_number(ep_addr) == 0))) { + break; + } + } + + // allocate from pool of free pipes + if (pipe >= USB_PIPE_NUM) { + for (pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + pipe_status = &usb_pipe_status_table[pipe]; + // found a free pipe + if (pipe_status->dev_addr >= UINT8_MAX) { + break; + } + } + } + + // no pipe available :( + if (pipe >= USB_PIPE_NUM) { + TU_LOG3("ERR_NO_PIPE\r\n"); + return pipe; + } + TU_LOG3("%d\r\n", pipe); + + // no transfer should be in progress + TU_ASSERT(((USB->HOST.HostPipe[pipe].PCFG.bit.PTYPE == USB_HOST_PTYPE_DIS) || + USB->HOST.HostPipe[pipe].PSTATUS.bit.PFREEZE == 1), + USB_PIPE_NUM); + + // update addr and ep_addr + pipe_status->dev_addr = dev_addr; + pipe_status->ep_addr = ep_addr; + usb_pipe_table[pipe].HostDescBank[0].CTRL_PIPE.bit.PDADDR = dev_addr; + usb_pipe_table[pipe].HostDescBank[0].CTRL_PIPE.bit.PEPNUM = tu_edpt_number(ep_addr); + + // token specific configuration + USB->HOST.HostPipe[pipe].PCFG.bit.PTOKEN = token; + USB->HOST.HostPipe[pipe].PINTENCLR.reg = USB_HOST_PINTENCLR_MASK; + if (token == USB_HOST_PCFG_PTOKEN_SETUP) { + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_DTGL; + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_BK0RDY; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_TXSTP; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_STALL; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_TRFAIL; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_PERR; + } else if (token == USB_HOST_PCFG_PTOKEN_IN) { + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_BK0RDY; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_TRCPT_Msk; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_STALL; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_TRFAIL; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_PERR; + } else { + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_BK0RDY; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_TRCPT_Msk; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_STALL; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_TRFAIL; + USB->HOST.HostPipe[pipe].PINTENSET.reg = USB_HOST_PINTENSET_PERR; + } + + return pipe; +} + +static void samd_free_pipe(uint8_t pipe) +{ + volatile usb_pipe_status_t* pipe_status = &usb_pipe_status_table[pipe]; + pipe_status->dev_addr = UINT8_MAX; + pipe_status->ep_addr = UINT8_MAX; + pipe_status->max_packet_size = 0; + pipe_status->xfer_length = 0; + pipe_status->xfer_remaining = 0; + + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_PFREEZE; + USB->HOST.HostPipe[pipe].PCFG.reg &= ~USB_HOST_PCFG_PTYPE_Msk; + USB->HOST.HostPipe[pipe].PINTENCLR.reg = USB_HOST_PINTENCLR_MASK; + memset((uint8_t*)(uintptr_t) &usb_pipe_table[pipe], 0, sizeof(usb_pipe_table[pipe])); +} + +static void samd_free_all_pipes(void) +{ + for (uint8_t pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + samd_free_pipe(pipe); + } +} + +static bool samd_on_xfer(uint8_t pipe, xfer_result_t xfer_result) +{ + uint16_t xfer_delta; + bool xfer_complete; + volatile usb_pipe_status_t* pipe_status = &usb_pipe_status_table[pipe]; + + // freeze the pipe + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_PFREEZE; + + // get number of transferred bytes + if (xfer_result == XFER_RESULT_SUCCESS) { + xfer_delta = usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT; + } else { + xfer_delta = 0; + } + + TU_LOG3("samd_on_xfer(%d, result=%d, xdelta=%d, rem=%d)\r\n", xfer_result, pipe, xfer_delta, pipe_status->xfer_remaining); + + // update pipe status + if (xfer_delta > pipe_status->xfer_remaining) { + xfer_delta = pipe_status->xfer_remaining; + } + pipe_status->xfer_remaining -= xfer_delta; + pipe_status->xfer_length += xfer_delta; + + // last packet handling + if (xfer_delta < pipe_status->max_packet_size) { + pipe_status->xfer_remaining = 0; + } + + // transfer complete + xfer_complete = (xfer_result != XFER_RESULT_SUCCESS) || (pipe_status->xfer_remaining == 0); + if (xfer_complete) { + return true; + } + + // continue receiving + if (tu_edpt_dir(pipe_status->ep_addr) == TUSB_DIR_IN) { + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT = 0; + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_BK0RDY; + } + // continue sending + else { + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT = + (pipe_status->xfer_remaining < pipe_status->max_packet_size) ? pipe_status->xfer_remaining + : pipe_status->max_packet_size; + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_BK0RDY; + } + + // advance packet buffer + usb_pipe_table[pipe].HostDescBank[0].ADDR.reg += xfer_delta; + + // start next transfer + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_PFREEZE; + + return false; +} + +//--------------------------------------------------------------------+ +// Controller API +//--------------------------------------------------------------------+ + +// Interrupt Handler +void hcd_int_handler(uint8_t rhport, bool in_isr) +{ + (void) rhport; + + uint16_t int_flags; + uint8_t pint_flags; + xfer_result_t xfer_result; + volatile usb_pipe_status_t* pipe_status; + + // + // Check INTFLAG + // + int_flags = USB->HOST.INTFLAG.reg; + if (int_flags & USB_HOST_INTFLAG_HSOF) { + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_HSOF; + } + if (int_flags & USB_HOST_INTFLAG_RST) { + TU_LOG2("USB_HOST_INTFLAG_RST\r\n"); + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_RST; + } + if (int_flags & USB_HOST_INTFLAG_WAKEUP) { + TU_LOG3("USB_HOST_INTFLAG_WAKEUP\r\n"); + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_WAKEUP; + } + if (int_flags & USB_HOST_INTFLAG_DNRSM) { + TU_LOG3("USB_HOST_INTFLAG_DNRSM\r\n"); + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_DNRSM; + } + if (int_flags & USB_HOST_INTFLAG_UPRSM) { + TU_LOG3("USB_HOST_INTFLAG_UPRSM\r\n"); + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_UPRSM; + } + if (int_flags & USB_HOST_INTFLAG_RAMACER) { + TU_LOG1("USB_HOST_INTFLAG_RAMACER\r\n"); + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_RAMACER; + } + if (int_flags & USB_HOST_INTFLAG_DCONN) { + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_DCONN; + hcd_event_device_attach(rhport, in_isr); + } + if (int_flags & USB_HOST_INTFLAG_DDISC) { + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_DDISC; + hcd_event_device_remove(rhport, in_isr); + } + + // handle pipe interrupts + for (uint8_t pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + // get pipe handle + pipe_status = &usb_pipe_status_table[pipe]; + if (pipe_status->dev_addr >= UINT8_MAX) { + continue; + } + + // + // Check PINTFLAG + // + pint_flags = USB->HOST.HostPipe[pipe].PINTFLAG.reg; + xfer_result = XFER_RESULT_INVALID; + if (pint_flags & USB_HOST_PINTFLAG_TRCPT0) { + USB->HOST.HostPipe[pipe].PINTFLAG.reg = USB_HOST_PINTFLAG_TRCPT0; + xfer_result = XFER_RESULT_SUCCESS; + } + if (pint_flags & USB_HOST_PINTFLAG_TRCPT1) { + USB->HOST.HostPipe[pipe].PINTFLAG.reg = USB_HOST_PINTFLAG_TRCPT1; + xfer_result = XFER_RESULT_SUCCESS; + } + if (pint_flags & USB_HOST_PINTFLAG_TXSTP) { + USB->HOST.HostPipe[pipe].PINTFLAG.reg = USB_HOST_PINTFLAG_TXSTP; + xfer_result = XFER_RESULT_SUCCESS; + } + if (pint_flags & USB_HOST_PINTFLAG_STALL) { + TU_LOG2("USB_HOST_PINTFLAG_STALL\r\n"); + USB->HOST.HostPipe[pipe].PINTFLAG.reg = USB_HOST_PINTFLAG_STALL; + xfer_result = XFER_RESULT_STALLED; + } + if (pint_flags & USB_HOST_PINTFLAG_TRFAIL) { + USB->HOST.HostPipe[pipe].PINTFLAG.reg = USB_HOST_PINTFLAG_TRFAIL; + if (usb_pipe_table[pipe].HostDescBank[0].STATUS_BK.reg & USB_HOST_STATUS_BK_ERRORFLOW) { + TU_LOG1("USB_HOST_STATUS_BK_ERRORFLOW\r\n"); + xfer_result = XFER_RESULT_FAILED; + } else if (usb_pipe_table[pipe].HostDescBank[0].STATUS_BK.reg & USB_HOST_STATUS_BK_CRCERR) { + TU_LOG1("USB_HOST_STATUS_BK_CRCERR\r\n"); + xfer_result = XFER_RESULT_FAILED; + } else { + // SAMD Quirk #1: + // Likes to report TRFAIL for no apparent reason -> ignore + } + } + if (pint_flags & USB_HOST_PINTFLAG_PERR) { + USB->HOST.HostPipe[pipe].PINTFLAG.reg = USB_HOST_PINTFLAG_PERR; + // Handled by STATUS_PIPE checks below + } + + // + // Check STATUS_PIPE + // + if (usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg & USB_HOST_STATUS_PIPE_DTGLER) { + TU_LOG1("USB_HOST_STATUS_PIPE_DTGLER\r\n"); + usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg &= ~USB_HOST_STATUS_PIPE_DTGLER; + xfer_result = XFER_RESULT_FAILED; + } + if (usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg & USB_HOST_STATUS_PIPE_DAPIDER) { + TU_LOG1("USB_HOST_STATUS_PIPE_DAPIDER\r\n"); + usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg &= ~USB_HOST_STATUS_PIPE_DAPIDER; + xfer_result = XFER_RESULT_FAILED; + } + if (usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg & USB_HOST_STATUS_PIPE_PIDER) { + TU_LOG1("USB_HOST_STATUS_PIPE_PIDER\r\n"); + usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg &= ~USB_HOST_STATUS_PIPE_PIDER; + xfer_result = XFER_RESULT_FAILED; + } + if (usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg & USB_HOST_STATUS_PIPE_CRC16ER) { + TU_LOG1("USB_HOST_STATUS_PIPE_CRC16ER\r\n"); + usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg &= ~USB_HOST_STATUS_PIPE_CRC16ER; + xfer_result = XFER_RESULT_FAILED; + } + if (usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg & USB_HOST_STATUS_PIPE_TOUTER) { + usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.reg &= ~USB_HOST_STATUS_PIPE_TOUTER; + + if ((USB->HOST.HostPipe[pipe].PCFG.bit.PTYPE == USB_HOST_PTYPE_INT) && + (tu_edpt_dir(pipe_status->ep_addr) == TUSB_DIR_IN)) { + // ignore timeouts from INT pipes + } else { + if (xfer_result == XFER_RESULT_INVALID) { + xfer_result = XFER_RESULT_TIMEOUT; + } + } + } + + // prevent PERR from too high error counts, that is handled by TinyUSB anyways + usb_pipe_table[pipe].HostDescBank[0].STATUS_PIPE.bit.ERCNT = 0; + + // no updates + if (xfer_result == XFER_RESULT_INVALID) { + continue; + } + + // continue / complete transfer + if (samd_on_xfer(pipe, xfer_result)) { + hcd_event_xfer_complete(pipe_status->dev_addr, pipe_status->ep_addr, pipe_status->xfer_length, xfer_result, true); + } + } +} + +// Initialize controller to host mode +bool hcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) { + TU_ASSERT(rhport == 0); + (void) rh_init; + fake_fnum = 0; + + // reset to get in a clean state. + USB->HOST.CTRLA.bit.SWRST = 1; + while (USB->HOST.SYNCBUSY.bit.SWRST == 0) + ; + while (USB->HOST.SYNCBUSY.bit.SWRST == 1) + ; + + // load pad calibration + USB->HOST.PADCAL.bit.TRANSP = (*((uint32_t*) USB_FUSES_TRANSP_ADDR) & USB_FUSES_TRANSP_Msk) >> USB_FUSES_TRANSP_Pos; + USB->HOST.PADCAL.bit.TRANSN = (*((uint32_t*) USB_FUSES_TRANSN_ADDR) & USB_FUSES_TRANSN_Msk) >> USB_FUSES_TRANSN_Pos; + USB->HOST.PADCAL.bit.TRIM = (*((uint32_t*) USB_FUSES_TRIM_ADDR) & USB_FUSES_TRIM_Msk) >> USB_FUSES_TRIM_Pos; + + USB->HOST.QOSCTRL.bit.CQOS = 3; // High Quality + USB->HOST.QOSCTRL.bit.DQOS = 3; // High Quality + + // configure host-mode + samd_free_all_pipes(); // initializes pipe handles and usb_pipe_table + USB->HOST.DESCADD.reg = (uint32_t) (&usb_pipe_table[0]); + USB->HOST.CTRLB.reg = USB_HOST_CTRLB_SPDCONF_NORMAL | USB_HOST_CTRLB_VBUSOK; + USB->HOST.CTRLA.reg = USB_CTRLA_MODE_HOST | USB_CTRLA_ENABLE | USB_CTRLA_RUNSTDBY; + while (USB->HOST.SYNCBUSY.bit.ENABLE == 1) + ; + + // enable basic USB interrupts + USB->HOST.INTFLAG.reg |= USB->HOST.INTFLAG.reg; // clear pending + USB->HOST.INTENCLR.reg = USB_HOST_INTENCLR_MASK; + USB->HOST.INTENSET.reg = USB_HOST_INTENSET_DCONN; + USB->HOST.INTENSET.reg = USB_HOST_INTENSET_DDISC; + USB->HOST.INTENSET.reg = USB_HOST_INTENSET_WAKEUP; + USB->HOST.INTENSET.reg = USB_HOST_INTENSET_RST; + + return true; +} + +#if CFG_TUSB_MCU == OPT_MCU_SAMD51 || CFG_TUSB_MCU == OPT_MCU_SAME5X + +// Enable USB interrupt +void hcd_int_enable(uint8_t rhport) +{ + (void) rhport; + NVIC_EnableIRQ(USB_0_IRQn); + NVIC_EnableIRQ(USB_1_IRQn); + NVIC_EnableIRQ(USB_2_IRQn); + NVIC_EnableIRQ(USB_3_IRQn); +} + +// Disable USB interrupt +void hcd_int_disable(uint8_t rhport) +{ + (void) rhport; + NVIC_DisableIRQ(USB_3_IRQn); + NVIC_DisableIRQ(USB_2_IRQn); + NVIC_DisableIRQ(USB_1_IRQn); + NVIC_DisableIRQ(USB_0_IRQn); +} + +#elif CFG_TUSB_MCU == OPT_MCU_SAMD11 || CFG_TUSB_MCU == OPT_MCU_SAMD21 || \ + CFG_TUSB_MCU == OPT_MCU_SAML22 || CFG_TUSB_MCU == OPT_MCU_SAML21 + +// Enable USB interrupt +void hcd_int_enable(uint8_t rhport) +{ + (void) rhport; + NVIC_EnableIRQ(USB_IRQn); +} + +// Disable USB interrupt +void hcd_int_disable(uint8_t rhport) +{ + (void) rhport; + NVIC_DisableIRQ(USB_IRQn); +} + +#else + +#error "No implementation available for hcd_int_enable / hcd_int_disable" + +#endif + +// Get frame number (1ms) +uint32_t hcd_frame_number(uint8_t rhport) +{ + (void) rhport; + +// SAMD Quirk #2: +// FNUM is stalled before enumeration of Low-Speed devices. +// internal frame counter can be used as workaround (not very accurate) +#ifdef HCD_SAMD_FAKE_FNUM + uint8_t start, current, prev; + uint8_t loop_count = (USB->HOST.STATUS.bit.SPEED == TUSB_SPEED_HIGH) ? 8 : 1; + for (uint8_t i = 0; i < loop_count; i++) { + start = USB->HOST.FLENHIGH.reg; + current = start; + // wait until wrap-around + prev = current; + while (current <= start) { + current = USB->HOST.FLENHIGH.reg; + if (current > prev) + break; + prev = current; + } + // wait until start is reached again + prev = current; + while (current > start) { + current = USB->HOST.FLENHIGH.reg; + if (current > prev) + break; + prev = current; + } + } + fake_fnum += 1; + return fake_fnum; +#else + return USB->HOST.FNUM.bit.FNUM; +#endif // HCD_SAMD_FAKE_FNUM +} + +//--------------------------------------------------------------------+ +// Port API +//--------------------------------------------------------------------+ + +// Get the current connect status of roothub port +bool hcd_port_connect_status(uint8_t rhport) +{ + TU_ASSERT(rhport == 0); + return USB->HOST.STATUS.bit.LINESTATE != 0; +} + +// 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) +{ + hcd_int_disable(rhport); + samd_free_all_pipes(); + USB->HOST.INTFLAG.reg |= USB->HOST.INTFLAG.reg; // clear pending + USB->HOST.CTRLB.bit.BUSRESET = 1; + fake_fnum = 0; +} + +// Complete bus reset sequence, may be required by some controllers +void hcd_port_reset_end(uint8_t rhport) +{ + while (USB->HOST.INTFLAG.bit.RST == 0) + ; + USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_RST; + USB->HOST.CTRLB.bit.SOFE = 1; + hcd_int_enable(rhport); +} + +// Get port link speed +tusb_speed_t hcd_port_speed_get(uint8_t rhport) +{ + (void) rhport; + + switch (USB->HOST.STATUS.bit.SPEED) { + case 0: + return TUSB_SPEED_FULL; + case 1: + return TUSB_SPEED_LOW; + case 2: + return TUSB_SPEED_HIGH; + default: + return TUSB_SPEED_INVALID; + } +} + +// HCD closes all opened endpoints belong to this device +void hcd_device_close(uint8_t rhport, uint8_t dev_addr) +{ + (void) rhport; + + for (uint8_t pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + volatile usb_pipe_status_t* pipe_status = &usb_pipe_status_table[pipe]; + if (pipe_status->dev_addr == dev_addr) { + samd_free_pipe(pipe); + } + } +} + +//--------------------------------------------------------------------+ +// Endpoints API +//--------------------------------------------------------------------+ + +// Open an endpoint +bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const* ep_desc) +{ + TU_ASSERT(rhport == 0); + + uint8_t pipe; + volatile usb_pipe_status_t* pipe_status; + const uint8_t ep_addr = ep_desc->bEndpointAddress; + const uint8_t bmAttributes = (ep_desc->bmAttributes.xfer) | + ((ep_desc->bmAttributes.sync) << 2) | + ((ep_desc->bmAttributes.usage) << 4); + + // configure the pipe + pipe = samd_configure_pipe(dev_addr, ep_addr); + if (pipe >= USB_PIPE_NUM) { + return false; + } + + // initial configuration + pipe_status = &usb_pipe_status_table[pipe]; + USB->HOST.HostPipe[pipe].PCFG.reg &= ~USB_HOST_PCFG_PTYPE_Msk; + USB->HOST.HostPipe[pipe].PCFG.bit.PTYPE = bmAttributes + 1; + USB->HOST.HostPipe[pipe].BINTERVAL.reg = ep_desc->bInterval; + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_DTGL; + USB->HOST.HostPipe[pipe].PINTENCLR.reg = USB_HOST_PINTENCLR_MASK; + pipe_status->max_packet_size = ep_desc->wMaxPacketSize; + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.SIZE = USB_PCKSIZE_ENUM(pipe_status->max_packet_size); + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.AUTO_ZLP = 0; + + return true; +} + +// 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]) +{ + TU_ASSERT(rhport == 0); + + uint8_t pipe; + volatile usb_pipe_status_t* pipe_status; + + // configure the pipe + pipe = samd_configure_pipe(dev_addr, 0); + if (pipe >= USB_PIPE_NUM) { + return false; + } + + // prepare transfer + pipe_status = &usb_pipe_status_table[pipe]; + usb_pipe_table[pipe].HostDescBank[0].ADDR.reg = (uint32_t) setup_packet; + pipe_status->xfer_remaining = 8; + pipe_status->xfer_length = 0; + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT = 8; + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE = 0; + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_BK0RDY; + + // clear pending interrupts + USB->HOST.HostPipe[pipe].PINTFLAG.reg |= USB->HOST.HostPipe[pipe].PINTFLAG.reg; + + // begin transfer + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_PFREEZE; + + return true; +} + +// 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) +{ + TU_ASSERT(rhport == 0); + + uint8_t pipe; + volatile usb_pipe_status_t* pipe_status; + + // configure the pipe + pipe = samd_configure_pipe(dev_addr, ep_addr); + if (pipe >= USB_PIPE_NUM) { + return false; + } + + // prepare transfer + pipe_status = &usb_pipe_status_table[pipe]; + usb_pipe_table[pipe].HostDescBank[0].ADDR.reg = (uint32_t) buffer; + pipe_status->xfer_remaining = buflen; + pipe_status->xfer_length = 0; + // receive data + if (tu_edpt_dir(pipe_status->ep_addr) == TUSB_DIR_IN) { + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT = 0; + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE = pipe_status->max_packet_size; + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_BK0RDY; + } + // send data + else { + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT = + (pipe_status->xfer_remaining < pipe_status->max_packet_size) ? pipe_status->xfer_remaining + : pipe_status->max_packet_size; + usb_pipe_table[pipe].HostDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE = 0; + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_BK0RDY; + } + + // clear pending interrupts + USB->HOST.HostPipe[pipe].PINTFLAG.reg |= USB->HOST.HostPipe[pipe].PINTFLAG.reg; + + // begin transfer + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_PFREEZE; + + return true; +} + +// 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) +{ + TU_ASSERT(rhport == 0); + + uint8_t pipe; + volatile usb_pipe_status_t* pipe_status; + + TU_LOG3("hcd_edpt_abort_xfer(dev_addr=%02X, ep_addr=%02X)=", dev_addr, ep_addr); + + // find the pipe + for (pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + pipe_status = &usb_pipe_status_table[pipe]; + if ((pipe_status->dev_addr == dev_addr) && (pipe_status->ep_addr == ep_addr)) { + break; + } + } + + // pipe not found + if (pipe >= USB_PIPE_NUM) { + TU_LOG3("ERR_NO_PIPE\r\n"); + return false; + } + TU_LOG3("%d\r\n", pipe); + + // no transfer in progress + if (USB->HOST.HostPipe[pipe].PSTATUS.bit.PFREEZE == 1) { + return false; + } + + // abort the transfer + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_PFREEZE; + pipe_status = &usb_pipe_status_table[pipe]; + pipe_status->xfer_length = 0; + pipe_status->xfer_remaining = 0; + + return true; +} + +// 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) +{ + TU_ASSERT(rhport == 0); + + uint8_t pipe; + volatile usb_pipe_status_t* pipe_status; + + TU_LOG3("hcd_edpt_clear_stall(dev_addr=%02X, ep_addr=%02X)=", dev_addr, ep_addr); + + // find the pipe + for (pipe = 0; pipe < USB_PIPE_NUM; pipe++) { + pipe_status = &usb_pipe_status_table[pipe]; + if ((pipe_status->dev_addr == dev_addr) && (pipe_status->ep_addr == ep_addr)) { + break; + } + } + + // pipe not found + if (pipe >= USB_PIPE_NUM) { + TU_LOG3("ERR_NO_PIPE\r\n"); + return false; + } + TU_LOG3("%d\r\n", pipe); + + // clear pending interrupts + USB->HOST.HostPipe[pipe].PINTFLAG.reg |= USB->HOST.HostPipe[pipe].PINTFLAG.reg; + + // clear stalled state + USB->HOST.HostPipe[pipe].PSTATUSSET.reg = USB_HOST_PSTATUSSET_PFREEZE; + USB->HOST.HostPipe[pipe].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_DTGL; + + return true; +} + +#endif