Keuronde/RP2040_USB_Hote
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presque fonctionnel

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This commit is contained in:
Samuel 2025-07-07 21:27:44 +02:00
parent c21dab75ff
commit c6c886d1cb
2 changed files with 84 additions and 16 deletions
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38
cdc_app.c
View File

@ -85,29 +85,35 @@ void tuh_cdc_rx_cb(uint8_t idx)
printf((char*) buf); printf((char*) buf);
} }
void tuh_cdc_mount_cb(uint8_t idx) // Invoked when a device with CDC interface is mounted
{ // idx is index of cdc interface in the internal pool.
tuh_cdc_itf_info_t itf_info = { 0 }; void tuh_cdc_mount_cb(uint8_t idx) {
tuh_itf_info_t itf_info = {0};
tuh_cdc_itf_get_info(idx, &itf_info); tuh_cdc_itf_get_info(idx, &itf_info);
printf("CDC Interface is mounted: address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber); printf("CDC Interface is mounted: address = %u, itf_num = %u\r\n", itf_info.daddr,
itf_info.desc.bInterfaceNumber);
#ifdef CFG_TUH_CDC_LINE_CODING_ON_ENUM #ifdef CFG_TUH_CDC_LINE_CODING_ON_ENUM
// CFG_TUH_CDC_LINE_CODING_ON_ENUM must be defined for line coding is set by tinyusb in enumeration // If CFG_TUH_CDC_LINE_CODING_ON_ENUM is defined, line coding will be set by tinyusb stack
// otherwise you need to call tuh_cdc_set_line_coding() first // while eneumerating new cdc device
cdc_line_coding_t line_coding = { 0 }; cdc_line_coding_t line_coding = {0};
if ( tuh_cdc_get_local_line_coding(idx, &line_coding) ) if (tuh_cdc_get_local_line_coding(idx, &line_coding)) {
{ printf(" Baudrate: %" PRIu32 ", Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits);
printf(" Baudrate: %lu, Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits); printf(" Parity : %u, Data Width: %u\r\n", line_coding.parity, line_coding.data_bits);
printf(" Parity : %u, Data Width: %u\r\n", line_coding.parity , line_coding.data_bits);
} }
#else
// Set Line Coding upon mounted
cdc_line_coding_t new_line_coding = { 115200, CDC_LINE_CODING_STOP_BITS_1, CDC_LINE_CODING_PARITY_NONE, 8 };
tuh_cdc_set_line_coding(idx, &new_line_coding, NULL, 0);
#endif #endif
} }
void tuh_cdc_umount_cb(uint8_t idx) // Invoked when a device with CDC interface is unmounted
{ void tuh_cdc_umount_cb(uint8_t idx) {
tuh_cdc_itf_info_t itf_info = { 0 }; tuh_itf_info_t itf_info = {0};
tuh_cdc_itf_get_info(idx, &itf_info); tuh_cdc_itf_get_info(idx, &itf_info);
printf("CDC Interface is unmounted: address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber); printf("CDC Interface is unmounted: address = %u, itf_num = %u\r\n", itf_info.daddr,
} itf_info.desc.bInterfaceNumber);
}

62
pico_sdk_import.cmake Normal file
View File

@ -0,0 +1,62 @@
# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
# This can be dropped into an external project to help locate this SDK
# It should be include()ed prior to project()
if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
endif ()
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
endif ()
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
endif ()
set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
if (NOT PICO_SDK_PATH)
if (PICO_SDK_FETCH_FROM_GIT)
include(FetchContent)
set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
if (PICO_SDK_FETCH_FROM_GIT_PATH)
get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
endif ()
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG master
)
if (NOT pico_sdk)
message("Downloading Raspberry Pi Pico SDK")
FetchContent_Populate(pico_sdk)
set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
endif ()
set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
else ()
message(FATAL_ERROR
"SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
)
endif ()
endif ()
get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
if (NOT EXISTS ${PICO_SDK_PATH})
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
endif ()
set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
endif ()
set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
include(${PICO_SDK_INIT_CMAKE_FILE})