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at least original functionality with new API

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This commit is contained in:
Dan Halbert 2021-08-13 21:51:52 -04:00
parent 4f8ff12afa
commit 3dc2b4c2d3
7 changed files with 152 additions and 132 deletions
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6
locale/circuitpython.pot
View File

@ -91,6 +91,10 @@ msgstr ""
msgid "%q length must be %q"
msgstr ""
#: shared-bindings/usb_hid/Device.c
msgid "%q length must be >= 1"
msgstr ""
#: shared-bindings/vectorio/Polygon.c
msgid "%q list must be a list"
msgstr ""
@ -1226,7 +1230,7 @@ msgstr ""
msgid "Internal error #%d"
msgstr ""
#: shared-bindings/sdioio/SDCard.c
#: shared-bindings/sdioio/SDCard.c shared-module/usb_hid/Device.c
msgid "Invalid %q"
msgstr ""

41
shared-bindings/usb_hid/Device.c
View File

@ -31,7 +31,7 @@
//| class Device:
//| """HID Device specification"""
//|
//| def __init__(self, *, descriptor: ReadableBuffer, usage_page: int, usage: int, in_report_lengths: Sequence[int], out_report_lengths: Sequence[int]) -> None:
//| def __init__(self, *, descriptor: ReadableBuffer, usage_page: int, usage: int, report_ids: Sequence[int], in_report_lengths: Sequence[int], out_report_lengths: Sequence[int]) -> None:
//| """Create a description of a USB HID device. The actual device is created when you
//| pass a `Device` to `usb_hid.enable()`.
//|
@ -40,6 +40,7 @@
//| :param int usage_page: The Usage Page value from the descriptor. Must match what is in the descriptor.
//| :param int usage: The Usage value from the descriptor. Must match what is in the descriptor.
//| :param int report_ids: Sequence of report ids used by the descriptor.
//| If the ``report_descriptor`` does not have a report ID, use 0.
//| :param int in_report_lengths: Sequence of sizes in bytes of the HIDs report sent to the host.
//| The sizes are in order of the ``report_ids``.
//| "IN" is with respect to the host.
@ -59,12 +60,12 @@
//| MOUSE: Device
//| """Standard mouse device supporting five mouse buttons, X and Y relative movements from -127 to 127
//| in each report, and a relative mouse wheel change from -127 to 127 in each report.
//| Uses Report ID 2 for its IN reports.
//| Uses Report ID 2 for its IN report.
//| """
//|
//| CONSUMER_CONTROL: Device
//| """Consumer Control device supporting sent values from 1-652, with no rollover.
//| Uses Report ID 3 for its IN reports."""
//| Uses Report ID 3 for its IN report."""
//|
STATIC mp_obj_t usb_hid_device_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
@ -100,8 +101,12 @@ STATIC mp_obj_t usb_hid_device_make_new(const mp_obj_type_t *type, size_t n_args
mp_obj_t out_report_lengths = args[ARG_out_report_lengths].u_obj;
size_t report_ids_count = (size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(report_ids));
if (MP_OBJ_SMALL_INT_VALUE(mp_obj_len(in_report_lengths)) != report_ids_count ||
MP_OBJ_SMALL_INT_VALUE(mp_obj_len(out_report_lengths)) != report_ids_count) {
if (report_ids_count < 1) {
mp_raise_ValueError_varg(translate("%q length must be >= 1"), MP_QSTR_report_ids);
}
if ((size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(in_report_lengths)) != report_ids_count ||
(size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(out_report_lengths)) != report_ids_count) {
mp_raise_ValueError_varg(translate("%q, %q, and %q must all be the same length"),
MP_QSTR_report_ids, MP_QSTR_in_report_lengths, MP_QSTR_out_report_lengths);
}
@ -136,7 +141,9 @@ STATIC mp_obj_t usb_hid_device_make_new(const mp_obj_type_t *type, size_t n_args
//| def send_report(self, buf: ReadableBuffer, report_id: Optional[int] = None) -> None:
//| """Send an HID report.
//| """Send an HID report. If the device descriptor specifies zero or one report id's,
//| you can supply `None` (the default) as the value of ``report_id``.
//| Otherwise you must specify which report id to use when sending the report.
//| """
//| ...
//|
@ -155,11 +162,12 @@ STATIC mp_obj_t usb_hid_device_send_report(size_t n_args, const mp_obj_t *pos_ar
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[ARG_buf].u_obj, &bufinfo, MP_BUFFER_READ);
uint8_t report_id = 0;
// -1 asks common_hal to determine the report id if possible.
mp_int_t report_id_arg = -1;
if (args[ARG_report_id].u_obj != mp_const_none) {
const mp_int_t report_id_arg = mp_obj_int_get_checked(args[ARG_report_id].u_obj);
report_id = mp_arg_validate_int_range(report_id_arg, 1, 255, MP_QSTR_report_id);
report_id_arg = mp_obj_int_get_checked(args[ARG_report_id].u_obj);
}
const uint8_t report_id = common_hal_usb_hid_device_validate_report_id(self, report_id_arg);
common_hal_usb_hid_device_send_report(self, ((uint8_t *)bufinfo.buf), bufinfo.len, report_id);
return mp_const_none;
@ -184,17 +192,18 @@ STATIC mp_obj_t usb_hid_device_get_last_received_report(size_t n_args, const mp_
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
uint8_t report_id = 0;
mp_int_t report_id_arg = -1;
if (args[ARG_report_id].u_obj != mp_const_none) {
report_id = mp_obj_int_get_checked(args[ARG_report_id].u_obj);
report_id_arg = mp_obj_int_get_checked(args[ARG_report_id].u_obj);
}
const uint8_t report_id = common_hal_usb_hid_device_validate_report_id(self, report_id_arg);
return common_hal_usb_hid_device_get_last_received_report(self, report_id);
}
MP_DEFINE_CONST_FUN_OBJ_KW(usb_hid_device_get_last_received_report_obj, 1, usb_hid_device_get_last_received_report);
//| last_received_report: bytes
//| """The HID OUT report as a `bytes`. (read-only). `None` if nothing received.
//| """The HID OUT report as a `bytes` (read-only). `None` if nothing received.
//| Same as `get_last_received_report()` with no argument.
//|
//| Deprecated: will be removed in CircutPython 8.0.0. Use `get_last_received_report()` instead.
@ -203,7 +212,9 @@ MP_DEFINE_CONST_FUN_OBJ_KW(usb_hid_device_get_last_received_report_obj, 1, usb_h
STATIC mp_obj_t usb_hid_device_obj_get_last_received_report_property(mp_obj_t self_in) {
usb_hid_device_obj_t *self = MP_OBJ_TO_PTR(self_in);
return common_hal_usb_hid_device_get_last_received_report(self, 0);
// Get the sole report_id, if there is one.
const uint8_t report_id = common_hal_usb_hid_device_validate_report_id(self, -1);
return common_hal_usb_hid_device_get_last_received_report(self, report_id);
}
MP_DEFINE_CONST_FUN_OBJ_1(usb_hid_device_get_last_received_report_property_obj, usb_hid_device_obj_get_last_received_report_property);
@ -215,7 +226,7 @@ const mp_obj_property_t usb_hid_device_last_received_report_obj = {
};
//| usage_page: int
//| """The usage page of the device as an `int`. Can be thought of a category. (read-only)"""
//| """The device usage page identifier, which designates a category of device. (read-only)"""
//|
STATIC mp_obj_t usb_hid_device_obj_get_usage_page(mp_obj_t self_in) {
usb_hid_device_obj_t *self = MP_OBJ_TO_PTR(self_in);
@ -231,7 +242,7 @@ const mp_obj_property_t usb_hid_device_usage_page_obj = {
};
//| usage: int
//| """The functionality of the device as an int. (read-only)
//| """The device usage identifier, which designates a specific kind of device. (read-only)
//|
//| For example, Keyboard is 0x06 within the generic desktop usage page 0x01.
//| Mouse is 0x02 within the same usage page."""

2
shared-bindings/usb_hid/Device.h
View File

@ -38,6 +38,6 @@ void common_hal_usb_hid_device_send_report(usb_hid_device_obj_t *self, uint8_t *
mp_obj_t common_hal_usb_hid_device_get_last_received_report(usb_hid_device_obj_t *self, uint8_t report_id);
uint8_t common_hal_usb_hid_device_get_usage_page(usb_hid_device_obj_t *self);
uint8_t common_hal_usb_hid_device_get_usage(usb_hid_device_obj_t *self);
bool common_hal_usb_hid_device_valid_report_id(usb_hid_device_obj_t *self, uint8_t report_id);
uint8_t common_hal_usb_hid_device_validate_report_id(usb_hid_device_obj_t *self, mp_int_t report_id);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_USB_HID_DEVICE_H

2
shared-bindings/usb_hid/__init__.c
View File

@ -71,7 +71,7 @@ MP_DEFINE_CONST_FUN_OBJ_0(usb_hid_disable_obj, usb_hid_disable);
//|
//| If you enable too many devices at once, you will run out of USB endpoints.
//| The number of available endpoints varies by microcontroller.
//| CircuitPython will go into safe mode after running boot.py to inform you if
//| CircuitPython will go into safe mode after running ``boot.py`` to inform you if
//| not enough endpoints are available.
//| """
//| ...

65
shared-module/usb_hid/Device.c
View File

@ -79,7 +79,7 @@ const usb_hid_device_obj_t usb_hid_device_keyboard_obj = {
.usage = 0x06,
.num_report_ids = 1,
.report_ids = { 0x01, },
.in_report_lengths = { 8, 0, 0, 0, },
.in_report_lengths = { 8, 0, 0, 0, 0, 0, },
.out_report_lengths = { 1, },
};
@ -129,7 +129,7 @@ const usb_hid_device_obj_t usb_hid_device_mouse_obj = {
.usage = 0x02,
.num_report_ids = 1,
.report_ids = { 0x02, },
.in_report_lengths = { 4, 0, 0, 0, },
.in_report_lengths = { 4, 0, 0, 0, 0, 0, },
.out_report_lengths = { 0, },
};
@ -158,18 +158,30 @@ const usb_hid_device_obj_t usb_hid_device_consumer_control_obj = {
.usage = 0x01,
.num_report_ids = 1,
.report_ids = { 0x03 },
.in_report_lengths = { 2, 0, 0, 0 },
.out_report_lengths = { 0 },
.in_report_lengths = { 2, 0, 0, 0, 0, 0, },
.out_report_lengths = { 0, },
};
bool common_hal_usb_hid_device_valid_report_id(usb_hid_device_obj_t *self, uint8_t report_id) {
STATIC size_t get_report_id_idx(usb_hid_device_obj_t *self, size_t report_id) {
for (size_t i = 0; i < self->num_report_ids; i++) {
if (report_id == self->report_ids[i]) {
return true;
return i;
}
}
return false;
return MAX_REPORT_IDS_PER_DESCRIPTOR;
}
// See if report_id is used by this device. If it is -1, then return the sole report id used by this device,
// which might be 0 if no report_id was supplied.
uint8_t common_hal_usb_hid_device_validate_report_id(usb_hid_device_obj_t *self, mp_int_t report_id_arg) {
if (report_id_arg == -1 && self->num_report_ids == 1) {
return self->report_ids[0];
}
if (!(report_id_arg >= 0 &&
get_report_id_idx(self, (size_t)report_id_arg) < MAX_REPORT_IDS_PER_DESCRIPTOR)) {
mp_raise_ValueError_varg(translate("Invalid %q"), MP_QSTR_report_id);
}
return (uint8_t)report_id_arg;
}
void common_hal_usb_hid_device_construct(usb_hid_device_obj_t *self, mp_obj_t report_descriptor, uint8_t usage_page, uint8_t usage, size_t num_report_ids, uint8_t *report_ids, uint8_t *in_report_lengths, uint8_t *out_report_lengths) {
@ -183,7 +195,7 @@ void common_hal_usb_hid_device_construct(usb_hid_device_obj_t *self, mp_obj_t re
mp_get_buffer_raise(report_descriptor, &bufinfo, MP_BUFFER_READ);
self->report_descriptor_length = bufinfo.len;
// Copy the raw the descriptor bytes into a heap obj. We don't keep the Python descriptor object.
// Copy the raw descriptor bytes into a heap obj. We don't keep the Python descriptor object.
uint8_t *descriptor_bytes = gc_alloc(bufinfo.len, false, false);
memcpy(descriptor_bytes, bufinfo.buf, bufinfo.len);
@ -206,8 +218,12 @@ uint8_t common_hal_usb_hid_device_get_usage(usb_hid_device_obj_t *self) {
}
void common_hal_usb_hid_device_send_report(usb_hid_device_obj_t *self, uint8_t *report, uint8_t len, uint8_t report_id) {
if (len != self->in_report_length) {
mp_raise_ValueError_varg(translate("Buffer incorrect size. Should be %d bytes."), self->in_report_length);
// report_id and len have already been validated for this device.
size_t id_idx = get_report_id_idx(self, report_id);
if (len != self->in_report_lengths[id_idx]) {
mp_raise_ValueError_varg(translate("Buffer incorrect size. Should be %d bytes."),
self->in_report_lengths[id_idx]);
}
// Wait until interface is ready, timeout = 2 seconds
@ -225,14 +241,25 @@ void common_hal_usb_hid_device_send_report(usb_hid_device_obj_t *self, uint8_t *
}
}
mp_obj_t common_hal_usb_hid_device_get_last_received_report(usb_hid_device_obj_t *self, uint8_t report_id) {
// report_id has already been validated for this deveice.
size_t id_idx = get_report_id_idx(self, report_id);
return mp_obj_new_bytes(self->out_report_buffers[id_idx], self->out_report_lengths[id_idx]);
}
void usb_hid_device_create_report_buffers(usb_hid_device_obj_t *self) {
for (size_t i = 0; i < self->num_report_ids; count++) {
if (self->out_report_length > 0) {
self->out_report_buffers[i] = self->out_report_lengths[i] > 0
? gc_alloc(self->out_report_length, false, true /*long-lived*/)
for (size_t i = 0; i < self->num_report_ids; i++) {
// The IN buffers are used only for tud_hid_get_report_cb(),
// which is an unusual case. Normally we can just pass the data directly with tud_hid_report().
self->in_report_buffers[i] =
self->in_report_lengths[i] > 0
? gc_alloc(self->in_report_lengths[i], false, true /*long-lived*/)
: NULL;
self->out_report_buffers[i] =
self->out_report_lengths[i] > 0
? gc_alloc(self->out_report_lengths[i], false, true /*long-lived*/)
: NULL;
}
}
}
@ -254,9 +281,11 @@ uint16_t tud_hid_get_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t
memcpy(buffer, hid_device->in_report_buffers[id_idx], reqlen);
return reqlen;
}
return 0;
}
// Callbacks invoked when we received Set_Report request through control endpoint
void tud_hid_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t const *buffer, uint16_t bufsize) {
void tud_hid_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t const *buffer, uint16_t bufsize) {
(void)itf;
if (report_type == HID_REPORT_TYPE_INVALID) {
report_id = buffer[0];
@ -275,4 +304,4 @@ uint16_t tud_hid_get_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t
memcpy(hid_device->out_report_buffers[id_idx], buffer, bufsize);
}
}
}
}

4
shared-module/usb_hid/Device.h
View File

@ -32,7 +32,8 @@
#include "py/obj.h"
// The most complicated one currently know of is the head and eye tracker, which requires 5:
// The most complicated device currently known of is the head and eye tracker, which requires 5
// report ids.
// https://usb.org/sites/default/files/hutrr74_-_usage_page_for_head_and_eye_trackers_0.pdf
#define MAX_REPORT_IDS_PER_DESCRIPTOR (6)
@ -43,6 +44,7 @@ typedef struct {
uint8_t report_ids[MAX_REPORT_IDS_PER_DESCRIPTOR];
uint8_t in_report_lengths[MAX_REPORT_IDS_PER_DESCRIPTOR];
uint8_t out_report_lengths[MAX_REPORT_IDS_PER_DESCRIPTOR];
uint8_t *in_report_buffers[MAX_REPORT_IDS_PER_DESCRIPTOR];
uint8_t *out_report_buffers[MAX_REPORT_IDS_PER_DESCRIPTOR];
uint16_t report_descriptor_length;
uint8_t usage_page;

54
shared-module/usb_hid/__init__.c
View File

@ -197,10 +197,6 @@ size_t usb_hid_report_descriptor_length(void) {
total_hid_report_descriptor_length += hid_devices[i].report_descriptor_length;
}
// Don't need space for a report id if there's only one device.
if (num_hid_devices == 1) {
total_hid_report_descriptor_length -= 2;
}
return total_hid_report_descriptor_length;
}
@ -215,41 +211,19 @@ void usb_hid_build_report_descriptor(uint8_t *report_descriptor_space, size_t re
for (mp_int_t i = 0; i < num_hid_devices; i++) {
usb_hid_device_obj_t *device = &hid_devices[i];
// Copy the report descriptor for this device.
if (num_hid_devices == 1 && device->num_report_ids == 1) {
// There's only one device, with one report id, so remove it.
// Copy the descriptor, but splice out the report id indicator and value (2 bytes).
size_t report_id_idx = 0;
for (report_id_idx = 0; report_id_idx < device->report_descriptor_length; report_id_idx++) {
if (report_descriptor_start[report_id_idx] == 0x85) {
break;
}
}
if (report_id_idx < device->report_descriptor_length) {
memcpy(report_descriptor_start, device->report_descriptor, device->report_id_index - 1);
report_descriptor_start += device->report_id_index - 1;
memcpy(report_descriptor_start, device->report_descriptor + device->report_id_index + 1,
device->report_descriptor_length - device->report_id_index - 1);
} else {
// Copy the whole descriptor and fill in the report id.
memcpy(report_descriptor_start, device->report_descriptor, device->report_descriptor_length);
report_descriptor_start[device->report_id_index] = i + 1;
// Remember the report id that was assigned.
device->report_id = i + 1;
// Advance to the next free chunk for the next report descriptor.x
report_descriptor_start += device->report_descriptor_length;
}
// Clear the heap pointer to the bytes of the descriptor.
// We don't need it any more and it will get lost when the heap goes away.
device->report_descriptor = NULL;
}
}
}
// Call this after the heap and VM are finished.
void usb_hid_save_report_descriptor(uint8_t *report_descriptor_space, size_t report_descriptor_length) {
void usb_hid_save_report_descriptor(uint8_t *report_descriptor_space, size_t report_descriptor_length) {
if (!usb_hid_enabled()) {
return;
}
@ -263,13 +237,13 @@ void usb_hid_build_report_descriptor(uint8_t *report_descriptor_space, size_t re
allocate_memory(align32_size(report_descriptor_length),
/*high_address*/ false, /*movable*/ false);
memcpy((uint8_t *)hid_report_descriptor_allocation->ptr, report_descriptor_space, report_descriptor_length);
}
}
void usb_hid_gc_collect(void) {
void usb_hid_gc_collect(void) {
gc_collect_ptr(hid_devices_tuple);
// Mark possible heap pointers in the static device list as in use.
for (mp_int_t device_idx = 0; i < num_hid_devices; i++) {
for (mp_int_t device_idx = 0; device_idx < num_hid_devices; device_idx++) {
// Cast away the const for .report_descriptor. It could be in flash or on the heap.
// Constant report descriptors must be const so that they are used directly from flash
@ -277,16 +251,16 @@ void usb_hid_build_report_descriptor(uint8_t *report_descriptor_space, size_t re
gc_collect_ptr((void *)hid_devices[device_idx].report_descriptor);
// Collect all the OUT report buffers for this device.
for (size_t id_idx = 0; id_idx < hid_devices[device_idx].report_ids_count; id_idx++) {
gc_collect_ptr(hid_devices[i].out_report_buffers[id_idx]);
}
for (size_t id_idx = 0; id_idx < hid_devices[device_idx].num_report_ids; id_idx++) {
gc_collect_ptr(hid_devices[id_idx].out_report_buffers[id_idx]);
}
}
}
bool usb_hid_get_device_with_report_id(uint8_t report_id, usb_hid_device_obj_t **device_out, size_t *id_idx_out) {
bool usb_hid_get_device_with_report_id(uint8_t report_id, usb_hid_device_obj_t **device_out, size_t *id_idx_out) {
for (uint8_t device_idx = 0; device_idx < num_hid_devices; device_idx++) {
usb_hid_device_obj_t *device = &hid_devices[device_idx];
for (size_t id_idx = 0; id_idx < device->report_ids_count; id_idx++) {
for (size_t id_idx = 0; id_idx < device->num_report_ids; id_idx++) {
if (device->report_ids[id_idx] == report_id) {
*device_out = device;
*id_idx_out = id_idx;
@ -295,11 +269,11 @@ void usb_hid_build_report_descriptor(uint8_t *report_descriptor_space, size_t re
}
}
return false;
}
}
// Invoked when GET HID REPORT DESCRIPTOR is received.
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
uint8_t const *tud_hid_descriptor_report_cb(uint8_t itf) {
uint8_t const *tud_hid_descriptor_report_cb(uint8_t itf) {
return (uint8_t *)hid_report_descriptor_allocation->ptr;
}
}