From b893f1d5417adf8cf874d6b2e7946582ca37982a Mon Sep 17 00:00:00 2001 From: hathach Date: Wed, 7 Jun 2023 15:10:40 +0700 Subject: inital support for usb typec and pd example --- examples/typec/power_delivery/CMakeLists.txt | 32 +++++++++ examples/typec/power_delivery/Makefile | 11 +++ examples/typec/power_delivery/only.txt | 1 + examples/typec/power_delivery/src/main.c | 90 +++++++++++++++++++++++++ examples/typec/power_delivery/src/tusb_config.h | 79 ++++++++++++++++++++++ 5 files changed, 213 insertions(+) create mode 100644 examples/typec/power_delivery/CMakeLists.txt create mode 100644 examples/typec/power_delivery/Makefile create mode 100644 examples/typec/power_delivery/only.txt create mode 100644 examples/typec/power_delivery/src/main.c create mode 100644 examples/typec/power_delivery/src/tusb_config.h (limited to 'examples/typec') diff --git a/examples/typec/power_delivery/CMakeLists.txt b/examples/typec/power_delivery/CMakeLists.txt new file mode 100644 index 000000000..4ab8d5a65 --- /dev/null +++ b/examples/typec/power_delivery/CMakeLists.txt @@ -0,0 +1,32 @@ +cmake_minimum_required(VERSION 3.17) + +include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake) + +# gets PROJECT name for the example (e.g. -) +family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR}) + +project(${PROJECT} C CXX ASM) + +# Checks this example is valid for the family and initializes the project +family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}) + +# Espressif has its own cmake build system +if(FAMILY STREQUAL "espressif") + return() +endif() + +add_executable(${PROJECT}) + +# Example source +target_sources(${PROJECT} PUBLIC + ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c + ) + +# Example include +target_include_directories(${PROJECT} PUBLIC + ${CMAKE_CURRENT_SOURCE_DIR}/src + ) + +# Configure compilation flags and libraries for the example... see the corresponding function +# in hw/bsp/FAMILY/family.cmake for details. +family_configure_device_example(${PROJECT}) diff --git a/examples/typec/power_delivery/Makefile b/examples/typec/power_delivery/Makefile new file mode 100644 index 000000000..2a3d854fb --- /dev/null +++ b/examples/typec/power_delivery/Makefile @@ -0,0 +1,11 @@ +include ../../make.mk + +INC += \ + src \ + $(TOP)/hw \ + +# Example source +EXAMPLE_SOURCE += $(wildcard src/*.c) +SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE)) + +include ../../rules.mk diff --git a/examples/typec/power_delivery/only.txt b/examples/typec/power_delivery/only.txt new file mode 100644 index 000000000..657aeaac5 --- /dev/null +++ b/examples/typec/power_delivery/only.txt @@ -0,0 +1 @@ +mcu:STM32G4 diff --git a/examples/typec/power_delivery/src/main.c b/examples/typec/power_delivery/src/main.c new file mode 100644 index 000000000..9d032b6bb --- /dev/null +++ b/examples/typec/power_delivery/src/main.c @@ -0,0 +1,90 @@ +/* + * 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. + * + */ + +#include +#include +#include + +#include "bsp/board.h" +#include "tusb.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF PROTOTYPES +//--------------------------------------------------------------------+ + +/* Blink pattern + * - 250 ms : button is not pressed + * - 1000 ms : button is pressed (and hold) + */ +enum { + BLINK_PRESSED = 250, + BLINK_UNPRESSED = 1000 +}; + +static uint32_t blink_interval_ms = BLINK_UNPRESSED; + +void led_blinking_task(void); + +#define HELLO_STR "Hello from TinyUSB\r\n" + +int main(void) +{ + board_init(); + board_led_write(true); + + tuc_init(0, TYPEC_PORT_SNK); + + uint32_t start_ms = 0; + bool led_state = false; + + while (1) { + led_blinking_task(); + +// tuc_task(); + } +} + +#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3 +void app_main(void) +{ + main(); +} +#endif + +//--------------------------------------------------------------------+ +// BLINKING TASK +//--------------------------------------------------------------------+ +void led_blinking_task(void) +{ + static uint32_t start_ms = 0; + static bool led_state = false; + + // Blink every interval ms + if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time + start_ms += blink_interval_ms; + + board_led_write(led_state); + led_state = 1 - led_state; // toggle +} diff --git a/examples/typec/power_delivery/src/tusb_config.h b/examples/typec/power_delivery/src/tusb_config.h new file mode 100644 index 000000000..deddcbfa4 --- /dev/null +++ b/examples/typec/power_delivery/src/tusb_config.h @@ -0,0 +1,79 @@ +/* + * 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. + * + */ + +#ifndef _TUSB_CONFIG_H_ +#define _TUSB_CONFIG_H_ + +#ifdef __cplusplus + extern "C" { +#endif + +// special example that doesn't enable device or host stack +// This can cause some TinyUSB API missing, this define hack to allow us to fill those API +// to pass the compilation process +#define tud_int_handler(x) + +//-------------------------------------------------------------------- +// COMMON CONFIGURATION +//-------------------------------------------------------------------- + +// defined by compiler flags for flexibility +#ifndef CFG_TUSB_MCU + #error CFG_TUSB_MCU must be defined +#endif + +#ifndef CFG_TUSB_OS + #define CFG_TUSB_OS OPT_OS_NONE +#endif + +#define CFG_TUD_ENABLED 0 +#define CFG_TUH_ENABLED 0 + +// Enable TYPEC stack +#define CFG_TUC_ENABLED 1 + +// CFG_TUSB_DEBUG is defined by compiler in DEBUG build +// #define CFG_TUSB_DEBUG 0 + +/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment. + * Tinyusb use follows macros to declare transferring memory so that they can be put + * into those specific section. + * e.g + * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") )) + * - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4))) + */ +#ifndef CFG_TUSB_MEM_SECTION +#define CFG_TUSB_MEM_SECTION +#endif + +#ifndef CFG_TUSB_MEM_ALIGN +#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4))) +#endif + +#ifdef __cplusplus + } +#endif + +#endif /* _TUSB_CONFIG_H_ */ -- cgit v1.3.1 From 9b7dee563e83a548f0d0fb68dd991a868a6427c9 Mon Sep 17 00:00:00 2001 From: hathach Date: Wed, 7 Jun 2023 18:57:48 +0700 Subject: able to response with good crc --- examples/typec/power_delivery/src/main.c | 2 +- src/common/tusb_mcu.h | 5 ++ src/common/tusb_types.h | 112 +++++++++++++++++-------------- src/device/usbd.c | 10 +++ src/host/usbh.c | 2 +- src/portable/st/typec/typec_stm32.c | 105 +++++++++++++++++++++++++---- src/typec/tcd.h | 15 ++++- src/typec/utcd.c | 57 +++++++++++++++- src/typec/utcd.h | 16 ++++- 9 files changed, 253 insertions(+), 71 deletions(-) (limited to 'examples/typec') diff --git a/examples/typec/power_delivery/src/main.c b/examples/typec/power_delivery/src/main.c index 9d032b6bb..648345a55 100644 --- a/examples/typec/power_delivery/src/main.c +++ b/examples/typec/power_delivery/src/main.c @@ -54,7 +54,7 @@ int main(void) board_init(); board_led_write(true); - tuc_init(0, TYPEC_PORT_SNK); + tuc_init(0, TUSB_TYPEC_PORT_SNK); uint32_t start_ms = 0; bool led_state = false; diff --git a/src/common/tusb_mcu.h b/src/common/tusb_mcu.h index bb4483f7d..f89467e75 100644 --- a/src/common/tusb_mcu.h +++ b/src/common/tusb_mcu.h @@ -197,12 +197,17 @@ #define TUP_DCD_ENDPOINT_MAX 9 #elif TU_CHECK_MCU(OPT_MCU_STM32G4) + // Device controller #define TUP_USBIP_FSDEV #define TUP_USBIP_FSDEV_STM32 + + // TypeC controller #define TUP_USBIP_TYPEC_STM32 #define TUP_DCD_ENDPOINT_MAX 8 + #define TUP_TYPEC_RHPORTS_NUM 1 + #elif TU_CHECK_MCU(OPT_MCU_STM32G0) #define TUP_USBIP_FSDEV #define TUP_USBIP_FSDEV_STM32 diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h index e6b350a40..c92320e5c 100644 --- a/src/common/tusb_types.h +++ b/src/common/tusb_types.h @@ -504,67 +504,75 @@ TU_VERIFY_STATIC( sizeof(tusb_control_request_t) == 8, "size is not correct"); //--------------------------------------------------------------------+ typedef enum { - TYPEC_PORT_SRC, - TYPEC_PORT_SNK, - TYPEC_PORT_DRP -} typec_port_type_t; + TUSB_TYPEC_PORT_SRC, + TUSB_TYPEC_PORT_SNK, + TUSB_TYPEC_PORT_DRP +} tusb_typec_port_type_t; typedef enum { - TYPEC_MSG_CTRL_RESERVED = 0, // 0b00000: 0 - TYPEC_MSG_CTRL_GOOD_CRC, // 0b00001: 1 - TYPEC_MSG_CTRL_GO_TO_MIN, // 0b00010: 2 - TYPEC_MSG_CTRL_ACCEPT, // 0b00011: 3 - TYPEC_MSG_CTRL_REJECT, // 0b00100: 4 - TYPEC_MSG_CTRL_PING, // 0b00101: 5 - TYPEC_MSG_CTRL_PS_RDY, // 0b00110: 6 - TYPEC_MSG_CTRL_GET_SOURCE_CAP, // 0b00111: 7 - TYPEC_MSG_CTRL_GET_SINK_CAP, // 0b01000: 8 - TYPEC_MSG_CTRL_DR_SWAP, // 0b01001: 9 - TYPEC_MSG_CTRL_PR_SWAP, // 0b01010: 10 - TYPEC_MSG_CTRL_VCONN_SWAP, // 0b01011: 11 - TYPEC_MSG_CTRL_WAIT, // 0b01100: 12 - TYPEC_MSG_CTRL_SOFT_RESET, // 0b01101: 13 - TYPEC_MSG_CTRL_DATA_RESET, // 0b01110: 14 - TYPEC_MSG_CTRL_DATA_RESET_COMPLETE, // 0b01111: 15 - TYPEC_MSG_CTRL_NOT_SUPPORTED, // 0b10000: 16 - TYPEC_MSG_CTRL_GET_SOURCE_CAP_EXTENDED, // 0b10001: 17 - TYPEC_MSG_CTRL_GET_STATUS, // 0b10010: 18 - TYPEC_MSG_CTRL_FR_SWAP, // 0b10011: 19 - TYPEC_MSG_CTRL_GET_PPS_STATUS, // 0b10100: 20 - TYPEC_MSG_CTRL_GET_COUNTRY_CODES, // 0b10101: 21 - TYPEC_MSG_CTRL_GET_SINK_CAP_EXTENDED, // 0b10110: 22 - TYPEC_MSG_CTRL_GET_SOURCE_INFO, // 0b10111: 23 - TYPEC_MSG_CTRL_REVISION, // 0b11000: 24 -} typec_msg_ctrl_type_t; + TUSB_PD_CTRL_RESERVED = 0, // 0b00000: 0 + TUSB_PD_CTRL_GOOD_CRC, // 0b00001: 1 + TUSB_PD_CTRL_GO_TO_MIN, // 0b00010: 2 + TUSB_PD_CTRL_ACCEPT, // 0b00011: 3 + TUSB_PD_CTRL_REJECT, // 0b00100: 4 + TUSB_PD_CTRL_PING, // 0b00101: 5 + TUSB_PD_CTRL_PS_RDY, // 0b00110: 6 + TUSB_PD_CTRL_GET_SOURCE_CAP, // 0b00111: 7 + TUSB_PD_CTRL_GET_SINK_CAP, // 0b01000: 8 + TUSB_PD_CTRL_DR_SWAP, // 0b01001: 9 + TUSB_PD_CTRL_PR_SWAP, // 0b01010: 10 + TUSB_PD_CTRL_VCONN_SWAP, // 0b01011: 11 + TUSB_PD_CTRL_WAIT, // 0b01100: 12 + TUSB_PD_CTRL_SOFT_RESET, // 0b01101: 13 + TUSB_PD_CTRL_DATA_RESET, // 0b01110: 14 + TUSB_PD_CTRL_DATA_RESET_COMPLETE, // 0b01111: 15 + TUSB_PD_CTRL_NOT_SUPPORTED, // 0b10000: 16 + TUSB_PD_CTRL_GET_SOURCE_CAP_EXTENDED, // 0b10001: 17 + TUSB_PD_CTRL_GET_STATUS, // 0b10010: 18 + TUSB_PD_CTRL_FR_SWAP, // 0b10011: 19 + TUSB_PD_CTRL_GET_PPS_STATUS, // 0b10100: 20 + TUSB_PD_CTRL_GET_COUNTRY_CODES, // 0b10101: 21 + TUSB_PD_CTRL_GET_SINK_CAP_EXTENDED, // 0b10110: 22 + TUSB_PD_CTRL_GET_SOURCE_INFO, // 0b10111: 23 + TUSB_PD_CTRL_REVISION, // 0b11000: 24 +} tusb_pd_ctrl_type_t; typedef enum { - TYPEC_MSG_DATA_RESERVED = 0, // 0b00000: 0 - TYPEC_MSG_DATA_SOURCE_CAP, // 0b00001: 1 - TYPEC_MSG_DATA_REQUEST, // 0b00010: 2 - TYPEC_MSG_DATA_BIST, // 0b00011: 3 - TYPEC_MSG_DATA_SINK_CAP, // 0b00100: 4 - TYPEC_MSG_DATA_BATTERY_STATUS, // 0b00101: 5 - TYPEC_MSG_DATA_ALERT, // 0b00110: 6 - TYPEC_MSG_DATA_GET_COUNTRY_INFO, // 0b00111: 7 - TYPEC_MSG_DATA_ENTER_USB, // 0b01000: 8 - TYPEC_MSG_DATA_EPR_REQUEST, // 0b01001: 9 - TYPEC_MSG_DATA_EPR_MODE, // 0b01010: 10 - TYPEC_MSG_DATA_SRC_INFO, // 0b01011: 11 - TYPEC_MSG_DATA_REVISION, // 0b01100: 12 - TYPEC_MSG_DATA_RESERVED_13, // 0b01101: 13 - TYPEC_MSG_DATA_RESERVED_14, // 0b01110: 14 - TYPEC_MSG_DATA_VENDOR_DEFINED, // 0b01111: 15 -} typec_msg_data_type_t; + TUSB_PD_DATA_RESERVED = 0, // 0b00000: 0 + TUSB_PD_DATA_SOURCE_CAP, // 0b00001: 1 + TUSB_PD_DATA_REQUEST, // 0b00010: 2 + TUSB_PD_DATA_BIST, // 0b00011: 3 + TUSB_PD_DATA_SINK_CAP, // 0b00100: 4 + TUSB_PD_DATA_BATTERY_STATUS, // 0b00101: 5 + TUSB_PD_DATA_ALERT, // 0b00110: 6 + TUSB_PD_DATA_GET_COUNTRY_INFO, // 0b00111: 7 + TUSB_PD_DATA_ENTER_USB, // 0b01000: 8 + TUSB_PD_DATA_EPR_REQUEST, // 0b01001: 9 + TUSB_PD_DATA_EPR_MODE, // 0b01010: 10 + TUSB_PD_DATA_SRC_INFO, // 0b01011: 11 + TUSB_PD_DATA_REVISION, // 0b01100: 12 + TUSB_PD_DATA_RESERVED_13, // 0b01101: 13 + TUSB_PD_DATA_RESERVED_14, // 0b01110: 14 + TUSB_PD_DATA_VENDOR_DEFINED, // 0b01111: 15 +} tusb_pd_data_type_t; + +enum { + TUSB_PD_REV10 = 0x0, + TUSB_PD_REV20 = 0x1, + TUSB_PD_REV30 = 0x2, +}; typedef struct TU_ATTR_PACKED { uint16_t msg_type : 5; // [0:4] - uint16_t data_role : 1; // [5] SOP only + uint16_t data_role : 1; // [5] SOP only: 0 UFP, 1 DFP uint16_t specs_rev : 2; // [6:7] - uint16_t power_role : 1; // [8] SOP only + uint16_t power_role : 1; // [8] SOP only: 0 Sink, 1 Source uint16_t msg_id : 3; // [9:11] uint16_t n_data_obj : 3; // [12:14] uint16_t extended : 1; // [15] -} tusb_typec_message_header_t; +} tusb_pd_header_t; + +TU_VERIFY_STATIC( sizeof(tusb_pd_header_t) == 2, "size is not correct"); typedef struct TU_ATTR_PACKED { uint16_t data_size : 9; // [0:8] @@ -572,7 +580,9 @@ typedef struct TU_ATTR_PACKED { uint16_t request_chunk : 1; // [10] uint16_t chunk_number : 4; // [11:14] uint16_t chunked : 1; // [15] -} tusb_typec_message_header_extended_t; +} tusb_pd_header_extended_t; + +TU_VERIFY_STATIC( sizeof(tusb_pd_header_extended_t) == 2, "size is not correct"); TU_ATTR_PACKED_END // End of all packed definitions diff --git a/src/device/usbd.c b/src/device/usbd.c index 409a5ec10..44c2530ce 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -252,9 +252,19 @@ static inline usbd_class_driver_t const * get_driver(uint8_t drvid) drvid -= _app_driver_count; } + // when there is no built-in drivers BUILTIN_DRIVER_COUNT = 0 will cause -Wtype-limits warning +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wtype-limits" +#endif + // Built-in drivers if (drvid < BUILTIN_DRIVER_COUNT) return &_usbd_driver[drvid]; +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif + return NULL; } diff --git a/src/host/usbh.c b/src/host/usbh.c index 6159044ab..98e959a12 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -724,7 +724,7 @@ uint8_t* usbh_get_enum_buf(void) void usbh_int_set(bool enabled) { - // TODO all host controller if multiple is used + // TODO all host controller if multiple are used since they shared the same event queue if (enabled) { hcd_int_enable(_usbh_controller); diff --git a/src/portable/st/typec/typec_stm32.c b/src/portable/st/typec/typec_stm32.c index fd029473d..79f37b729 100644 --- a/src/portable/st/typec/typec_stm32.c +++ b/src/portable/st/typec/typec_stm32.c @@ -29,20 +29,43 @@ #include "common/tusb_common.h" -#include "stm32g4xx.h" +#if CFG_TUSB_MCU == OPT_MCU_STM32G4 + #include "stm32g4xx.h" +#else + #error "Unsupported STM32 family" +#endif //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ -uint8_t pd_rx_buf[262]; -uint32_t pd_rx_count = 0; -uint8_t pd_rx_order_set; + +#define PHY_SYNC1 0x18u +#define PHY_SYNC2 0x11u +#define PHY_SYNC3 0x06u +#define PHY_RST1 0x07u +#define PHY_RST2 0x19u +#define PHY_EOP 0x0Du + +#define PHY_ORDERED_SET_SOP (PHY_SYNC1 | (PHY_SYNC1<<5u) | (PHY_SYNC1<<10u) | (PHY_SYNC2<<15u)) // SOP Ordered set coding +#define PHY_ORDERED_SET_SOP_P (PHY_SYNC1 | (PHY_SYNC1<<5u) | (PHY_SYNC3<<10u) | (PHY_SYNC3<<15u)) // SOP' Ordered set coding +#define PHY_ORDERED_SET_SOP_PP (PHY_SYNC1 | (PHY_SYNC3<<5u) | (PHY_SYNC1<<10u) | (PHY_SYNC3<<15u)) // SOP'' Ordered set coding +#define PHY_ORDERED_SET_HARD_RESET (PHY_RST1 | (PHY_RST1<<5u) | (PHY_RST1<<10u) | (PHY_RST2<<15u )) // Hard Reset Ordered set coding +#define PHY_ORDERED_SET_CABLE_RESET (PHY_RST1 | (PHY_SYNC1<<5u) | (PHY_RST1<<10u) | (PHY_SYNC3<<15u)) // Cable Reset Ordered set coding +#define PHY_ORDERED_SET_SOP_P_DEBUG (PHY_SYNC1 | (PHY_RST2<<5u) | (PHY_RST2<<10u) | (PHY_SYNC3<<15u)) // SOP' Debug Ordered set coding +#define PHY_ORDERED_SET_SOP_PP_DEBUG (PHY_SYNC1 | (PHY_RST2<<5u) | (PHY_SYNC3<<10u) | (PHY_SYNC2<<15u)) // SOP'' Debug Ordered set coding + + +static uint8_t rx_buf[262] TU_ATTR_ALIGNED(4); +static uint32_t rx_count = 0; + +static uint8_t tx_buf[262] TU_ATTR_ALIGNED(4); +static uint32_t tx_count; //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ -bool tcd_init(uint8_t rhport, typec_port_type_t port_type) { +bool tcd_init(uint8_t rhport, tusb_typec_port_type_t port_type) { (void) rhport; // Initialization phase: CFG1 @@ -52,7 +75,7 @@ bool tcd_init(uint8_t rhport, typec_port_type_t port_type) { UCPD1->CFG1 |= UCPD_CFG1_UCPDEN; // General programming sequence (with UCPD configured then enabled) - if (port_type == TYPEC_PORT_SNK) { + if (port_type == TUSB_TYPEC_PORT_SNK) { // Enable both CC Phy UCPD1->CR = (0x01 << UCPD_CR_ANAMODE_Pos) | (0x03 << UCPD_CR_CCENABLE_Pos); @@ -83,6 +106,19 @@ void tcd_int_disable(uint8_t rhport) { NVIC_DisableIRQ(UCPD1_IRQn); } +bool tcd_rx_start(uint8_t rhport, uint8_t* buffer, uint16_t total_bytes) { + (void) rhport; + + return true; +} + +bool tcd_tx_start(uint8_t rhport, uint8_t const* buffer, uint16_t total_bytes) { + (void) rhport; + (void) buffer; + (void) total_bytes; + return false; +} + void tcd_int_handler(uint8_t rhport) { (void) rhport; @@ -116,7 +152,7 @@ void tcd_int_handler(uint8_t rhport) { if (cr & UCPD_CR_PHYRXEN) { // Enable Interrupt - UCPD1->IMR |= UCPD_IMR_TXMSGDISCIE | UCPD_IMR_TXMSGSENTIE | UCPD_IMR_TXMSGABTIE | UCPD_IMR_TXUNDIE | + UCPD1->IMR |= UCPD_IMR_TXISIE | UCPD_IMR_TXMSGDISCIE | UCPD_IMR_TXMSGSENTIE | UCPD_IMR_TXMSGABTIE | UCPD_IMR_TXUNDIE | UCPD_IMR_RXNEIE | UCPD_IMR_RXORDDETIE | UCPD_IMR_RXHRSTDETIE | UCPD_IMR_RXOVRIE | UCPD_IMR_RXMSGENDIE | UCPD_IMR_HRSTDISCIE | UCPD_IMR_HRSTSENTIE; } @@ -128,13 +164,13 @@ void tcd_int_handler(uint8_t rhport) { UCPD1->ICR = UCPD_ICR_TYPECEVT1CF | UCPD_ICR_TYPECEVT2CF; } - //------------- Receive -------------// + //------------- RX -------------// if (sr & UCPD_SR_RXORDDET) { // SOP: Start of Packet. - pd_rx_order_set = UCPD1->RX_ORDSET & UCPD_RX_ORDSET_RXORDSET_Msk; + // UCPD1->RX_ORDSET & UCPD_RX_ORDSET_RXORDSET_Msk; // reset count when received SOP - pd_rx_count = 0; + rx_count = 0; // ack UCPD1->ICR = UCPD_ICR_RXORDDETCF; @@ -143,17 +179,38 @@ void tcd_int_handler(uint8_t rhport) { if (sr & UCPD_SR_RXNE) { // TODO DMA later do { - pd_rx_buf[pd_rx_count++] = UCPD1->RXDR; + rx_buf[rx_count++] = UCPD1->RXDR; } while (UCPD1->SR & UCPD_SR_RXNE); + + // no ack needed } + // End of message if (sr & UCPD_SR_RXMSGEND) { - // End of message // Skip if CRC failed if (!(sr & UCPD_SR_RXERR)) { uint32_t payload_size = UCPD1->RX_PAYSZ; - TU_LOG1("RXMSGEND: payload_size = %u, rx count = %u\n", payload_size, pd_rx_count); + // TU_LOG1("RXMSGEND: payload_size = %u, rx count = %u\n", payload_size, pd_rx_count); + + tusb_pd_header_t const* rx_header = (tusb_pd_header_t const*) rx_buf; + (*(tusb_pd_header_t*) tx_buf) = (tusb_pd_header_t) { + .msg_type = TUSB_PD_CTRL_GOOD_CRC, + .data_role = 0, // UFP + .specs_rev = TUSB_PD_REV30, + .power_role = 0, // Sink + .msg_id = rx_header->msg_id, + .n_data_obj = 0, + .extended = 0 + }; + tx_count = 0; + + // response with good crc + UCPD1->TX_ORDSET = PHY_ORDERED_SET_SOP; + UCPD1->TX_PAYSZ = 2; + UCPD1->CR |= UCPD_CR_TXSEND; // will trigger TXIS interrupt + + // notify stack after good crc ? } // ack @@ -162,11 +219,31 @@ void tcd_int_handler(uint8_t rhport) { if (sr & UCPD_SR_RXOVR) { TU_LOG1("RXOVR\n"); - TU_LOG1_HEX(pd_rx_count); + TU_LOG1_HEX(rx_count); // ack UCPD1->ICR = UCPD_ICR_RXOVRCF; } + //------------- TX -------------// + if (sr & UCPD_SR_TXIS) { + // TU_LOG1("TXIS\n"); + + // TODO DMA later + do { + UCPD1->TXDR = tx_buf[tx_count++]; + } while (UCPD1->SR & UCPD_SR_TXIS); + + // no ack needed + } + + if (sr & UCPD_SR_TXMSGSENT) { + // all byte sent + TU_LOG1("TXMSGSENT\n"); + + // ack + UCPD1->ICR = UCPD_ICR_TXMSGSENTCF; + } + // if (sr & UCPD_SR_RXNE) { // uint8_t data = UCPD1->RXDR; // pd_rx_buf[pd_rx_count++] = data; diff --git a/src/typec/tcd.h b/src/typec/tcd.h index 397c0ac83..e823bf8d7 100644 --- a/src/typec/tcd.h +++ b/src/typec/tcd.h @@ -38,13 +38,19 @@ extern "C" { //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ +typedef struct { + uint8_t rhport; + uint8_t event_id; + + +} tcd_event_t;; //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ // Initialize controller -bool tcd_init(uint8_t rhport, typec_port_type_t port_type); +bool tcd_init(uint8_t rhport, tusb_typec_port_type_t port_type); // Enable interrupt void tcd_int_enable (uint8_t rhport); @@ -55,4 +61,11 @@ void tcd_int_disable(uint8_t rhport); // Interrupt Handler void tcd_int_handler(uint8_t rhport); +//--------------------------------------------------------------------+ +// +//--------------------------------------------------------------------+ + +bool tcd_rx_start(uint8_t rhport, uint8_t* buffer, uint16_t total_bytes); +bool tcd_tx_start(uint8_t rhport, uint8_t const* buffer, uint16_t total_bytes); + #endif diff --git a/src/typec/utcd.c b/src/typec/utcd.c index baa95fbe5..b5f9965fe 100644 --- a/src/typec/utcd.c +++ b/src/typec/utcd.c @@ -29,20 +29,75 @@ #if CFG_TUC_ENABLED #include "tcd.h" +#include "utcd.h" //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ +// Debug level of USBD +#define UTCD_DEBUG 2 +#define TU_LOG_UTCD(...) TU_LOG(UTCD_DEBUG, __VA_ARGS__) + +// Event queue +// utcd_int_set() is used as mutex in OS NONE config +void utcd_int_set(bool enabled); +OSAL_QUEUE_DEF(utcd_int_set, utcd_qdef, CFG_TUC_TASK_QUEUE_SZ, tcd_event_t); +tu_static osal_queue_t utcd_q; + +// if stack is initialized +static bool utcd_inited = false; + +// if port is initialized +static bool port_inited[TUP_TYPEC_RHPORTS_NUM]; //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ +bool tuc_inited(uint8_t rhport) { + return utcd_inited && port_inited[rhport]; +} + +bool tuc_init(uint8_t rhport, tusb_typec_port_type_t port_type) { + // Initialize stack + if (!utcd_inited) { + tu_memclr(port_inited, sizeof(port_inited)); + + utcd_q = osal_queue_create(&utcd_qdef); + TU_ASSERT(utcd_q != NULL); + + utcd_inited = true; + } + + // skip if port already initialized + if ( port_inited[rhport] ) { + return true; + } + + TU_LOG_UTCD("UTCD init on port %u\r\n", rhport); -bool tuc_init(uint8_t rhport, typec_port_type_t port_type) { TU_ASSERT(tcd_init(rhport, port_type)); tcd_int_enable(rhport); + + port_inited[rhport] = true; return true; } + +//--------------------------------------------------------------------+ +// +//--------------------------------------------------------------------+ +void utcd_int_set(bool enabled) { + // Disable all controllers since they shared the same event queue + for (uint8_t p = 0; p < TUP_TYPEC_RHPORTS_NUM; p++) { + if ( port_inited[p] ) { + if (enabled) { + tcd_int_enable(p); + }else { + tcd_int_disable(p); + } + } + } +} + #endif diff --git a/src/typec/utcd.h b/src/typec/utcd.h index 2f9b84fb7..06a62ef23 100644 --- a/src/typec/utcd.h +++ b/src/typec/utcd.h @@ -33,12 +33,24 @@ extern "C" { #endif +//--------------------------------------------------------------------+ +// TypeC Configuration +//--------------------------------------------------------------------+ + +#ifndef CFG_TUC_TASK_QUEUE_SZ +#define CFG_TUC_TASK_QUEUE_SZ 16 +#endif + + //--------------------------------------------------------------------+ // Application API //--------------------------------------------------------------------+ -// init typec stack -bool tuc_init(uint8_t rhport, typec_port_type_t port_type); +// Init typec stack on a port +bool tuc_init(uint8_t rhport, tusb_typec_port_type_t port_type); + +// Check if typec port is initialized +bool tuc_inited(uint8_t rhport); #ifndef _TUSB_TCD_H_ extern void tcd_int_handler(uint8_t rhport); -- cgit v1.3.1 From 6941a5af81b53cd0df52632d403cccdb7d22cf30 Mon Sep 17 00:00:00 2001 From: hathach Date: Mon, 12 Jun 2023 16:42:27 +0700 Subject: wrap up initial PD support for G4 --- examples/typec/power_delivery/src/main.c | 90 +++++++++++++++- src/typec/tcd.h | 15 ++- src/typec/utcd.c | 178 ++++++++++++++----------------- src/typec/utcd.h | 20 ++++ 4 files changed, 195 insertions(+), 108 deletions(-) (limited to 'examples/typec') diff --git a/examples/typec/power_delivery/src/main.c b/examples/typec/power_delivery/src/main.c index 648345a55..42665ed1b 100644 --- a/examples/typec/power_delivery/src/main.c +++ b/examples/typec/power_delivery/src/main.c @@ -62,7 +62,8 @@ int main(void) while (1) { led_blinking_task(); -// tuc_task(); + // tinyusb typec task + tuc_task(); } } @@ -73,6 +74,93 @@ void app_main(void) } #endif +//--------------------------------------------------------------------+ +// TypeC PD callbacks +//--------------------------------------------------------------------+ + +bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t const* dobj, uint8_t const* p_end) { + switch (header->msg_type) { + case PD_DATA_SOURCE_CAP: { + printf("PD Source Capabilities\r\n"); + // Examine source capability and select a suitable PDO (starting from 1 with safe5v) + uint8_t obj_pos = 1; + + for(size_t i=0; in_data_obj; i++) { + TU_VERIFY(dobj < p_end); + uint32_t const pdo = tu_le32toh(tu_unaligned_read32(dobj)); + + switch ((pdo >> 30) & 0x03ul) { + case PD_PDO_TYPE_FIXED: { + pd_pdo_fixed_t const* fixed = (pd_pdo_fixed_t const*) &pdo; + printf("[Fixed] %u mV %u mA\r\n", fixed->voltage_50mv*50, fixed->current_max_10ma*10); + break; + } + + case PD_PDO_TYPE_BATTERY: + break; + + case PD_PDO_TYPE_VARIABLE: + break; + + case PD_PDO_TYPE_APDO: + break; + } + + dobj += 4; + } + + //------------- Response with selected PDO -------------// + // Be careful and make sure your board can withstand the selected PDO voltage other than safe5v e.g 12v or 20v + + // Send request with selected PDO position as response to Source Cap + pd_rdo_fixed_variable_t rdo = { + .current_extremum_10ma = 50, // max 500mA + .current_operate_10ma = 30, // 300mA + .reserved = 0, + .epr_mode_capable = 0, + .unchunked_ext_msg_support = 0, + .no_usb_suspend = 0, + .usb_comm_capable = 1, + .capability_mismatch = 0, + .give_back_flag = 0, // exteremum is max + .object_position = obj_pos, + }; + + tuc_msg_request(rhport, &rdo); + + break; + } + + default: break; + } + + return true; +} + +bool tuc_pd_control_received_cb(uint8_t rhport, pd_header_t const* header) { + switch (header->msg_type) { + case PD_CTRL_ACCEPT: + printf("PD Request Accepted\r\n"); + // preparing for power transition + break; + + case PD_CTRL_REJECT: + printf("PD Request Rejected\r\n"); + // try to negotiate further power + break; + + case PD_CTRL_PS_READY: + printf("PD Power Ready\r\n"); + // Source is ready to supply power + break; + + default: + break; + } + + return true; +} + //--------------------------------------------------------------------+ // BLINKING TASK //--------------------------------------------------------------------+ diff --git a/src/typec/tcd.h b/src/typec/tcd.h index ee73943bd..86499c951 100644 --- a/src/typec/tcd.h +++ b/src/typec/tcd.h @@ -48,8 +48,7 @@ enum { TCD_EVENT_TX_COMPLETE, }; - -typedef struct { +typedef struct TU_ATTR_PACKED { uint8_t rhport; uint8_t event_id; @@ -58,10 +57,10 @@ typedef struct { uint8_t cc_state[2]; } cc_changed; - struct { - uint16_t xferred_bytes; - uint8_t result; - } rx_complete; + struct TU_ATTR_PACKED { + uint16_t result : 2; + uint16_t xferred_bytes : 14; + } xfer_complete; }; } tcd_event_t;; @@ -114,7 +113,7 @@ void tcd_event_rx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t resul tcd_event_t event = { .rhport = rhport, .event_id = TCD_EVENT_RX_COMPLETE, - .rx_complete = { + .xfer_complete = { .xferred_bytes = xferred_bytes, .result = result } @@ -128,7 +127,7 @@ void tcd_event_tx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t resul tcd_event_t event = { .rhport = rhport, .event_id = TCD_EVENT_TX_COMPLETE, - .rx_complete = { + .xfer_complete = { .xferred_bytes = xferred_bytes, .result = result } diff --git a/src/typec/utcd.c b/src/typec/utcd.c index 439fe89b9..831df1fe8 100644 --- a/src/typec/utcd.c +++ b/src/typec/utcd.c @@ -52,8 +52,12 @@ static bool _utcd_inited = false; static bool _port_inited[TUP_TYPEC_RHPORTS_NUM]; // Max possible PD size is 262 bytes -static uint8_t _rx_buf[262] TU_ATTR_ALIGNED(4); -static uint8_t _tx_buf[100] TU_ATTR_ALIGNED(4); +static uint8_t _rx_buf[64] TU_ATTR_ALIGNED(4); +static uint8_t _tx_buf[64] TU_ATTR_ALIGNED(4); + +bool utcd_msg_send(uint8_t rhport, pd_header_t const* header, void const* data); +bool parse_msg_data(uint8_t rhport, pd_header_t const* header, uint8_t const* dobj, uint8_t const* p_end); +bool parse_msg_control(uint8_t rhport, pd_header_t const* header); //--------------------------------------------------------------------+ // @@ -79,6 +83,7 @@ bool tuc_init(uint8_t rhport, uint32_t port_type) { } TU_LOG_UTCD("UTCD init on port %u\r\n", rhport); + TU_LOG_INT(UTCD_DEBUG, sizeof(tcd_event_t)); TU_ASSERT(tcd_init(rhport, port_type)); tcd_int_enable(rhport); @@ -87,137 +92,112 @@ bool tuc_init(uint8_t rhport, uint32_t port_type) { return true; } -//--------------------------------------------------------------------+ -// -//--------------------------------------------------------------------+ - -bool utcd_msg_send(uint8_t rhport, pd_header_t const* header, void const* data) { - // copy header - memcpy(_tx_buf, header, sizeof(pd_header_t)); - - // copy data objcet if available - uint16_t const n_data_obj = header->n_data_obj; - if (n_data_obj > 0) { - memcpy(_tx_buf + sizeof(pd_header_t), data, n_data_obj * 4); - } +void tuc_task_ext(uint32_t timeout_ms, bool in_isr) { + (void) in_isr; // not implemented yet - return tcd_msg_send(rhport, _tx_buf, sizeof(pd_header_t) + n_data_obj * 4); -} + // Skip if stack is not initialized + if (!_utcd_inited) return; -bool parse_message(uint8_t rhport, uint8_t const* buf, uint16_t len) { - (void) rhport; - uint8_t const* p_end = buf + len; - pd_header_t const* header = (pd_header_t const*) buf; - uint8_t const * ptr = buf + sizeof(pd_header_t); + // Loop until there is no more events in the queue + while (1) { + tcd_event_t event; + if (!osal_queue_receive(_utcd_q, &event, timeout_ms)) return; - if (header->n_data_obj == 0) { - // control message - switch (header->msg_type) { - case PD_CTRL_GOOD_CRC: + switch (event.event_id) { + case TCD_EVENT_CC_CHANGED: break; - case PD_CTRL_ACCEPT: - break; + case TCD_EVENT_RX_COMPLETE: + // TODO process message here in ISR, move to thread later + if (event.xfer_complete.result == XFER_RESULT_SUCCESS) { + pd_header_t const* header = (pd_header_t const*) _rx_buf; - case PD_CTRL_REJECT: - break; + if (header->n_data_obj == 0) { + parse_msg_control(event.rhport, header); - case PD_CTRL_PS_READY: - break; + }else { + uint8_t const* p_end = _rx_buf + event.xfer_complete.xferred_bytes; + uint8_t const * dobj = _rx_buf + sizeof(pd_header_t); - default: break; - } - } else { - // data message - switch (header->msg_type) { - case PD_DATA_SOURCE_CAP: { - // Examine source capability and select a suitable PDO (starting from 1 with safe5v) - uint8_t obj_pos = 1; - - for(size_t i=0; in_data_obj; i++) { - TU_VERIFY(ptr < p_end); - uint32_t const pdo = tu_le32toh(tu_unaligned_read32(ptr)); - - switch ((pdo >> 30) & 0x03ul) { - case PD_PDO_TYPE_FIXED: { - pd_pdo_fixed_t const* fixed = (pd_pdo_fixed_t const*) &pdo; - TU_LOG3("[Fixed] %u mV %u mA\r\n", fixed->voltage_50mv*50, fixed->current_max_10ma*10); - break; - } - - case PD_PDO_TYPE_BATTERY: - break; - - case PD_PDO_TYPE_VARIABLE: - break; - - case PD_PDO_TYPE_APDO: - break; + parse_msg_data(event.rhport, header, dobj, p_end); } - - ptr += 4; } - // Send request with selected PDO position as response to Source Cap - pd_rdo_fixed_variable_t rdo = { - .current_extremum_10ma = 50, // max 500mA - .current_operate_10ma = 30, // 300mA - .reserved = 0, - .epr_mode_capable = 0, - .unchunked_ext_msg_support = 0, - .no_usb_suspend = 0, - .usb_comm_capable = 1, - .capability_mismatch = 0, - .give_back_flag = 0, // exteremum is max - .object_position = obj_pos, - }; - - pd_header_t const req_header = { - .msg_type = PD_DATA_REQUEST, - .data_role = PD_DATA_ROLE_UFP, - .specs_rev = PD_REV_20, - .power_role = PD_POWER_ROLE_SINK, - .msg_id = 0, - .n_data_obj = 1, - .extended = 0, - }; - - utcd_msg_send(rhport, &req_header, &rdo); + // prepare for next message + tcd_msg_receive(event.rhport, _rx_buf, sizeof(_rx_buf)); + break; + case TCD_EVENT_TX_COMPLETE: break; - } default: break; } } +} + +bool parse_msg_data(uint8_t rhport, pd_header_t const* header, uint8_t const* dobj, uint8_t const* p_end) { + if (tuc_pd_data_received_cb) { + tuc_pd_data_received_cb(rhport, header, dobj, p_end); + } + + return true; +} + +bool parse_msg_control(uint8_t rhport, pd_header_t const* header) { + if (tuc_pd_control_received_cb) { + tuc_pd_control_received_cb(rhport, header); + } return true; } +//--------------------------------------------------------------------+ +// +//--------------------------------------------------------------------+ + +bool utcd_msg_send(uint8_t rhport, pd_header_t const* header, void const* data) { + // copy header + memcpy(_tx_buf, header, sizeof(pd_header_t)); + + // copy data objcet if available + uint16_t const n_data_obj = header->n_data_obj; + if (n_data_obj > 0) { + memcpy(_tx_buf + sizeof(pd_header_t), data, n_data_obj * 4); + } + + return tcd_msg_send(rhport, _tx_buf, sizeof(pd_header_t) + n_data_obj * 4); +} + +bool tuc_msg_request(uint8_t rhport, void const* rdo) { + pd_header_t const header = { + .msg_type = PD_DATA_REQUEST, + .data_role = PD_DATA_ROLE_UFP, + .specs_rev = PD_REV_30, + .power_role = PD_POWER_ROLE_SINK, + .msg_id = 0, + .n_data_obj = 1, + .extended = 0, + }; + + return utcd_msg_send(rhport, &header, rdo); +} + void tcd_event_handler(tcd_event_t const * event, bool in_isr) { (void) in_isr; switch(event->event_id) { case TCD_EVENT_CC_CHANGED: if (event->cc_changed.cc_state[0] || event->cc_changed.cc_state[1]) { - // Attach + // Attach, start receiving tcd_msg_receive(event->rhport, _rx_buf, sizeof(_rx_buf)); }else { // Detach } break; - case TCD_EVENT_RX_COMPLETE: - // TODO process message here in ISR, move to thread later - if (event->rx_complete.result == XFER_RESULT_SUCCESS) { - parse_message(event->rhport, _rx_buf, event->rx_complete.xferred_bytes); - } - - // start new rx - tcd_msg_receive(event->rhport, _rx_buf, sizeof(_rx_buf)); - break; - default: break; } + + osal_queue_send(_utcd_q, event, in_isr); } //--------------------------------------------------------------------+ diff --git a/src/typec/utcd.h b/src/typec/utcd.h index 740e477ac..9fbff9bc6 100644 --- a/src/typec/utcd.h +++ b/src/typec/utcd.h @@ -52,6 +52,17 @@ bool tuc_init(uint8_t rhport, uint32_t port_type); // Check if typec port is initialized bool tuc_inited(uint8_t rhport); +// Task function should be called in main/rtos loop, extended version of tud_task() +// - timeout_ms: millisecond to wait, zero = no wait, 0xFFFFFFFF = wait forever +// - in_isr: if function is called in ISR +void tuc_task_ext(uint32_t timeout_ms, bool in_isr); + +// Task function should be called in main/rtos loop +TU_ATTR_ALWAYS_INLINE static inline +void tuc_task (void) { + tuc_task_ext(UINT32_MAX, false); +} + #ifndef _TUSB_TCD_H_ extern void tcd_int_handler(uint8_t rhport); #endif @@ -59,10 +70,19 @@ extern void tcd_int_handler(uint8_t rhport); // Interrupt handler, name alias to TCD #define tuc_int_handler tcd_int_handler +//--------------------------------------------------------------------+ +// Callbacks +//--------------------------------------------------------------------+ + +TU_ATTR_WEAK bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t const* dobj, uint8_t const* p_end); +TU_ATTR_WEAK bool tuc_pd_control_received_cb(uint8_t rhport, pd_header_t const* header); + //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ +bool tuc_msg_request(uint8_t rhport, void const* rdo); + #ifdef __cplusplus } -- cgit v1.3.1 From 7a1179a4e1dbf238e8cce203aa92c38c0cb055b7 Mon Sep 17 00:00:00 2001 From: hathach Date: Mon, 12 Jun 2023 17:01:54 +0700 Subject: tested with 9V request --- examples/typec/power_delivery/src/main.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) (limited to 'examples/typec') diff --git a/examples/typec/power_delivery/src/main.c b/examples/typec/power_delivery/src/main.c index 42665ed1b..342a2235f 100644 --- a/examples/typec/power_delivery/src/main.c +++ b/examples/typec/power_delivery/src/main.c @@ -34,6 +34,13 @@ // MACRO CONSTANT TYPEDEF PROTOTYPES //--------------------------------------------------------------------+ +// Voltage and current for selecting PDO +// DANGEROUS: Please make sure your board can withstand the voltage and current +// defined here. Otherwise, you may damage your board, smoke can come out +#define VOLTAGE_MAX_MV 5000 // maximum voltage in mV +#define CURRENT_MAX_MA 500 // maximum current in mA +#define CURRENT_OPERATING_MA 100 // operating current in mA + /* Blink pattern * - 250 ms : button is not pressed * - 1000 ms : button is pressed (and hold) @@ -83,7 +90,7 @@ bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t case PD_DATA_SOURCE_CAP: { printf("PD Source Capabilities\r\n"); // Examine source capability and select a suitable PDO (starting from 1 with safe5v) - uint8_t obj_pos = 1; + uint8_t selected_pos = 1; for(size_t i=0; in_data_obj; i++) { TU_VERIFY(dobj < p_end); @@ -92,7 +99,15 @@ bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t switch ((pdo >> 30) & 0x03ul) { case PD_PDO_TYPE_FIXED: { pd_pdo_fixed_t const* fixed = (pd_pdo_fixed_t const*) &pdo; - printf("[Fixed] %u mV %u mA\r\n", fixed->voltage_50mv*50, fixed->current_max_10ma*10); + uint32_t const voltage_mv = fixed->voltage_50mv*50; + uint32_t const current_ma = fixed->current_max_10ma*10; + printf("[Fixed] %lu mV %lu mA\r\n", voltage_mv, current_ma); + + if (voltage_mv <= VOLTAGE_MAX_MV && current_ma >= CURRENT_MAX_MA) { + // Found a suitable PDO + selected_pos = i+1; + } + break; } @@ -110,7 +125,10 @@ bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t } //------------- Response with selected PDO -------------// - // Be careful and make sure your board can withstand the selected PDO voltage other than safe5v e.g 12v or 20v + // Be careful and make sure your board can withstand the selected PDO + // voltage other than safe5v e.g 12v or 20v + + printf("Selected PDO %u\r\n", selected_pos); // Send request with selected PDO position as response to Source Cap pd_rdo_fixed_variable_t rdo = { @@ -123,9 +141,8 @@ bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t .usb_comm_capable = 1, .capability_mismatch = 0, .give_back_flag = 0, // exteremum is max - .object_position = obj_pos, + .object_position = selected_pos, }; - tuc_msg_request(rhport, &rdo); break; -- cgit v1.3.1 From 41801c2a6bd146033f5ff00e54983de46ab414b9 Mon Sep 17 00:00:00 2001 From: hathach Date: Mon, 12 Jun 2023 17:12:25 +0700 Subject: add typec example to cmake --- examples/CMakeLists.txt | 1 + examples/typec/CMakeLists.txt | 9 +++++++++ 2 files changed, 10 insertions(+) create mode 100644 examples/typec/CMakeLists.txt (limited to 'examples/typec') diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index 91c9fb098..c603d0c22 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -8,3 +8,4 @@ project(tinyusb_examples C CXX ASM) add_subdirectory(device) add_subdirectory(dual) add_subdirectory(host) +add_subdirectory(typec) diff --git a/examples/typec/CMakeLists.txt b/examples/typec/CMakeLists.txt new file mode 100644 index 000000000..c7641494e --- /dev/null +++ b/examples/typec/CMakeLists.txt @@ -0,0 +1,9 @@ +cmake_minimum_required(VERSION 3.17) + +include(${CMAKE_CURRENT_SOURCE_DIR}/../../hw/bsp/family_support.cmake) + +project(tinyusb_host_examples C CXX ASM) +family_initialize_project(tinyusb_host_examples ${CMAKE_CURRENT_LIST_DIR}) + +# family_add_subdirectory will filter what to actually add based on selected FAMILY +family_add_subdirectory(power_delivery) -- cgit v1.3.1