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Add usb2uart serial host driver #2046

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merged 13 commits into from Apr 27, 2023
Merged

Add usb2uart serial host driver #2046

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1a229f3
fix pio vbus typo
hathach Apr 24, 2023
45169d8
hacky, but ftdi work with hard code baudrate = 9600
hathach Apr 26, 2023
cf95b44
enable CDC FTDI
hathach Apr 26, 2023
293a622
rename ftdi_host to ftdi_sio
hathach Apr 27, 2023
85d9925
refactor ftdi driver
hathach Apr 27, 2023
9698a08
refactor acm function
hathach Apr 27, 2023
a32ef1c
more host serial refactor
hathach Apr 27, 2023
86f6fd1
cp210x seems to work well
hathach Apr 27, 2023
438387b
more refactor
hathach Apr 27, 2023
c10f52b
forgot to add cp210x header
hathach Apr 27, 2023
8214f0f
clean up
hathach Apr 27, 2023
ee58278
add code to calculate divisor from baudrate for ftdi
hathach Apr 27, 2023
732686c
add tuh_cdc_set_baudrate()
hathach Apr 27, 2023
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1 change: 1 addition & 0 deletions .codespell/ignore-words.txt
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@@ -1,6 +1,7 @@
synopsys
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2 changes: 1 addition & 1 deletion examples/host/cdc_msc_hid/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.5)
cmake_minimum_required(VERSION 3.17)

include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)

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4 changes: 3 additions & 1 deletion examples/host/cdc_msc_hid/src/tusb_config.h
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Expand Up @@ -96,7 +96,9 @@
#define CFG_TUH_ENUMERATION_BUFSIZE 256

#define CFG_TUH_HUB 1 // number of supported hubs
#define CFG_TUH_CDC 1
#define CFG_TUH_CDC 1 // CDC ACM
#define CFG_TUH_CDC_FTDI 1 // FTDI Serial. FTDI is not part of CDC class, only to re-use CDC driver API
#define CFG_TUH_CDC_CP210X 1 // CP210x Serial. CP210X is not part of CDC class, only to re-use CDC driver API
#define CFG_TUH_HID (3*CFG_TUH_DEVICE_MAX) // typical keyboard + mouse device can have 3-4 HID interfaces
#define CFG_TUH_MSC 1
#define CFG_TUH_VENDOR 0
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4 changes: 2 additions & 2 deletions hw/bsp/rp2040/family.c
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Expand Up @@ -125,10 +125,10 @@ void board_init(void)
// Set the system clock to a multiple of 120mhz for bitbanging USB with pico-usb
set_sys_clock_khz(120000, true);

#ifdef PIO_USB_VBUSEN_PIN
#ifdef PICO_DEFAULT_PIO_USB_VBUSEN_PIN
gpio_init(PICO_DEFAULT_PIO_USB_VBUSEN_PIN);
gpio_set_dir(PICO_DEFAULT_PIO_USB_VBUSEN_PIN, GPIO_OUT);
gpio_put(PICO_DEFAULT_PIO_USB_VBUSEN_PIN, PIO_USB_VBUSEN_STATE);
gpio_put(PICO_DEFAULT_PIO_USB_VBUSEN_PIN, PICO_DEFAULT_PIO_USB_VBUSEN_STATE);
#endif

// rp2040 use pico-pio-usb for host tuh_configure() can be used to passed pio configuration to the host stack
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