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Ability to set USB device as self powered device (#1105)

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Mr. Green's Workshop 2023-01-20 07:49:00 +09:00 committed by GitHub
parent 05c3f22879
commit 885bd922cf
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2 changed files with 12 additions and 1 deletions
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5
src/rp2_common/pico_stdio_usb/include/pico/stdio_usb.h
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@ -102,6 +102,11 @@
#define PICO_STDIO_USB_CONNECTION_WITHOUT_DTR 0
#endif
// PICO_CONFIG: PICO_STDIO_USB_DEVICE_SELF_POWERED, Set USB device as self powered device, type=bool, default=0, group=pico_stdio_usb
#ifndef PICO_STDIO_USB_DEVICE_SELF_POWERED
#define PICO_STDIO_USB_DEVICE_SELF_POWERED 0
#endif
#ifdef __cplusplus
extern "C" {
#endif

8
src/rp2_common/pico_stdio_usb/stdio_usb_descriptors.c
View File

@ -54,7 +54,13 @@
#else
#define USBD_DESC_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_RPI_RESET_DESC_LEN)
#endif
#if !PICO_STDIO_USB_DEVICE_SELF_POWERED
#define USBD_CONFIGURATION_DESCRIPTOR_ATTRIBUTE (0)
#define USBD_MAX_POWER_MA (250)
#else
#define USBD_CONFIGURATION_DESCRIPTOR_ATTRIBUTE TUSB_DESC_CONFIG_ATT_SELF_POWERED
#define USBD_MAX_POWER_MA (1)
#endif
#define USBD_ITF_CDC (0) // needs 2 interfaces
#if !PICO_STDIO_USB_ENABLE_RESET_VIA_VENDOR_INTERFACE
@ -102,7 +108,7 @@ static const tusb_desc_device_t usbd_desc_device = {
static const uint8_t usbd_desc_cfg[USBD_DESC_LEN] = {
TUD_CONFIG_DESCRIPTOR(1, USBD_ITF_MAX, USBD_STR_0, USBD_DESC_LEN,
0, USBD_MAX_POWER_MA),
USBD_CONFIGURATION_DESCRIPTOR_ATTRIBUTE, USBD_MAX_POWER_MA),
TUD_CDC_DESCRIPTOR(USBD_ITF_CDC, USBD_STR_CDC, USBD_CDC_EP_CMD,
USBD_CDC_CMD_MAX_SIZE, USBD_CDC_EP_OUT, USBD_CDC_EP_IN, USBD_CDC_IN_OUT_MAX_SIZE),