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trezorhal: cleanup usb api

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This commit is contained in:
Pavol Rusnak 2017-10-20 18:43:19 +02:00
parent 4f041e9f3a
commit 6b9751d30d
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GPG Key ID: 91F3B339B9A02A3D
7 changed files with 75 additions and 96 deletions
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2
embed/bootloader/main.c
View File

@ -162,7 +162,7 @@ void usb_init_all(void) {
};
usb_init(&dev_info);
ensure(0 == usb_hid_add(&hid_info), NULL);
ensure(usb_hid_add(&hid_info), NULL);
usb_start();
}

4
embed/extmod/modtrezorio/modtrezorio-msg.h
View File

@ -449,13 +449,13 @@ STATIC mp_obj_t mod_trezorio_USB_open(mp_obj_t self) {
if (MP_OBJ_IS_TYPE(iface, &mod_trezorio_HID_type)) {
mp_obj_HID_t *hid = MP_OBJ_TO_PTR(iface);
if (usb_hid_add(&hid->info) != 0) {
if (!usb_hid_add(&hid->info)) {
usb_deinit();
mp_raise_msg(&mp_type_RuntimeError, "failed to add HID interface");
}
} else if (MP_OBJ_IS_TYPE(iface, &mod_trezorio_VCP_type)) {
mp_obj_VCP_t *vcp = MP_OBJ_TO_PTR(iface);
if (usb_vcp_add(&vcp->info) != 0) {
if (!usb_vcp_add(&vcp->info)) {
usb_deinit();
mp_raise_msg(&mp_type_RuntimeError, "failed to add VCP interface");
}

28
embed/extmod/modtrezorio/unix-msg-mock.h
View File

@ -58,42 +58,34 @@ void usb_start(void) {
void usb_stop(void) {
}
int usb_hid_add(const usb_hid_info_t *info) {
return 0;
bool usb_hid_add(const usb_hid_info_t *info) {
return true;
}
int usb_vcp_add(const usb_vcp_info_t *info) {
return 0;
bool usb_vcp_add(const usb_vcp_info_t *info) {
return true;
}
int usb_hid_can_read(uint8_t iface_num) {
bool usb_hid_can_read(uint8_t iface_num) {
if (iface_num != TREZOR_UDP_IFACE) {
return 0;
return false;
}
struct pollfd fds[] = {
{ sock, POLLIN, 0 },
};
int r = poll(fds, 1, 0);
if (r > 0) {
return 1;
} else {
return 0;
}
return r > 0;
}
int usb_hid_can_write(uint8_t iface_num) {
bool usb_hid_can_write(uint8_t iface_num) {
if (iface_num != TREZOR_UDP_IFACE) {
return 0;
return false;
}
struct pollfd fds[] = {
{ sock, POLLOUT, 0 },
};
int r = poll(fds, 1, 0);
if (r > 0) {
return 1;
} else {
return 0;
}
return r > 0;
}
int usb_hid_read(uint8_t iface_num, uint8_t *buf, uint32_t len) {

6
embed/trezorhal/usb_hid-defs.h
View File

@ -69,9 +69,9 @@ typedef struct {
uint8_t ep_in_is_idle; // Set to 1 after IN endpoint gets idle
} usb_hid_state_t;
int usb_hid_add(const usb_hid_info_t *hid_info);
int usb_hid_can_read(uint8_t iface_num);
int usb_hid_can_write(uint8_t iface_num);
bool usb_hid_add(const usb_hid_info_t *hid_info);
bool usb_hid_can_read(uint8_t iface_num);
bool usb_hid_can_write(uint8_t iface_num);
int usb_hid_read(uint8_t iface_num, uint8_t *buf, uint32_t len);
int usb_hid_write(uint8_t iface_num, const uint8_t *buf, uint32_t len);

57
embed/trezorhal/usb_hid-impl.h
View File

@ -17,34 +17,34 @@
/* usb_hid_add adds and configures new USB HID interface according to
* configuration options passed in `info`. */
int usb_hid_add(const usb_hid_info_t *info) {
bool usb_hid_add(const usb_hid_info_t *info) {
usb_iface_t *iface = usb_get_iface(info->iface_num);
if (iface == NULL) {
return 1; // Invalid interface number
return false; // Invalid interface number
}
if (iface->type != USB_IFACE_TYPE_DISABLED) {
return 1; // Interface is already enabled
return false; // Interface is already enabled
}
usb_hid_descriptor_block_t *d = usb_desc_alloc_iface(sizeof(usb_hid_descriptor_block_t));
if (d == NULL) {
return 1; // Not enough space in the configuration descriptor
return false; // Not enough space in the configuration descriptor
}
if ((info->ep_in & USB_EP_DIR_MSK) != USB_EP_DIR_IN) {
return 1; // IN EP is invalid
return false; // IN EP is invalid
}
if ((info->ep_out & USB_EP_DIR_MSK) != USB_EP_DIR_OUT) {
return 1; // OUT EP is invalid
return false; // OUT EP is invalid
}
if (info->rx_buffer == NULL) {
return 1;
return false;
}
if (info->report_desc == NULL) {
return 1;
return false;
}
// Interface descriptor
@ -101,41 +101,41 @@ int usb_hid_add(const usb_hid_info_t *info) {
iface->hid.last_read_len = 0;
iface->hid.ep_in_is_idle = 1;
return 0;
return true;
}
int usb_hid_can_read(uint8_t iface_num) {
bool usb_hid_can_read(uint8_t iface_num) {
usb_iface_t *iface = usb_get_iface(iface_num);
if (iface == NULL) {
return 0; // Invalid interface number
return false; // Invalid interface number
}
if (iface->type != USB_IFACE_TYPE_HID) {
return 0; // Invalid interface type
return false; // Invalid interface type
}
if (iface->hid.last_read_len == 0) {
return 0; // Nothing in the receiving buffer
return false; // Nothing in the receiving buffer
}
if (usb_dev_handle.dev_state != USBD_STATE_CONFIGURED) {
return 0; // Device is not configured
return false; // Device is not configured
}
return 1;
return true;
}
int usb_hid_can_write(uint8_t iface_num) {
bool usb_hid_can_write(uint8_t iface_num) {
usb_iface_t *iface = usb_get_iface(iface_num);
if (iface == NULL) {
return 0; // Invalid interface number
return false; // Invalid interface number
}
if (iface->type != USB_IFACE_TYPE_HID) {
return 0; // Invalid interface type
return false; // Invalid interface type
}
if (iface->hid.ep_in_is_idle == 0) {
return 0; // Last transmission is not over yet
return false; // Last transmission is not over yet
}
if (usb_dev_handle.dev_state != USBD_STATE_CONFIGURED) {
return 0; // Device is not configured
return false; // Device is not configured
}
return 1;
return true;
}
int usb_hid_read(uint8_t iface_num, uint8_t *buf, uint32_t len) {
@ -216,7 +216,7 @@ int usb_hid_write_blocking(uint8_t iface_num, const uint8_t *buf, uint32_t len,
return usb_hid_write(iface_num, buf, len);
}
static int usb_hid_class_init(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t cfg_idx) {
static void usb_hid_class_init(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t cfg_idx) {
// Open endpoints
USBD_LL_OpenEP(dev, state->ep_in, USBD_EP_TYPE_INTR, state->max_packet_len);
USBD_LL_OpenEP(dev, state->ep_out, USBD_EP_TYPE_INTR, state->max_packet_len);
@ -230,16 +230,12 @@ static int usb_hid_class_init(USBD_HandleTypeDef *dev, usb_hid_state_t *state, u
// Prepare the OUT EP to receive next packet
USBD_LL_PrepareReceive(dev, state->ep_out, state->rx_buffer, state->max_packet_len);
return USBD_OK;
}
static int usb_hid_class_deinit(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t cfg_idx) {
static void usb_hid_class_deinit(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t cfg_idx) {
// Close endpoints
USBD_LL_CloseEP(dev, state->ep_in);
USBD_LL_CloseEP(dev, state->ep_out);
return USBD_OK;
}
static int usb_hid_class_setup(USBD_HandleTypeDef *dev, usb_hid_state_t *state, USBD_SetupReqTypedef *req) {
@ -298,17 +294,17 @@ static int usb_hid_class_setup(USBD_HandleTypeDef *dev, usb_hid_state_t *state,
}
break;
}
return USBD_OK;
}
static uint8_t usb_hid_class_data_in(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t ep_num) {
static void usb_hid_class_data_in(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t ep_num) {
if ((ep_num | USB_EP_DIR_IN) == state->ep_in) {
state->ep_in_is_idle = 1;
}
return USBD_OK;
}
static uint8_t usb_hid_class_data_out(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t ep_num) {
static void usb_hid_class_data_out(USBD_HandleTypeDef *dev, usb_hid_state_t *state, uint8_t ep_num) {
if (ep_num == state->ep_out) {
state->last_read_len = USBD_LL_GetRxDataSize(dev, ep_num);
@ -321,5 +317,4 @@ static uint8_t usb_hid_class_data_out(USBD_HandleTypeDef *dev, usb_hid_state_t *
usb_ep_set_nak(dev, ep_num);
}
}
return USBD_OK;
}

6
embed/trezorhal/usb_vcp-defs.h
View File

@ -119,9 +119,9 @@ typedef struct {
uint8_t ep_in_is_idle; // Set to 1 after IN endpoint gets idle
} usb_vcp_state_t;
int usb_vcp_add(const usb_vcp_info_t *vcp_info);
int usb_vcp_can_read(uint8_t iface_num);
int usb_vcp_can_write(uint8_t iface_num);
bool usb_vcp_add(const usb_vcp_info_t *vcp_info);
bool usb_vcp_can_read(uint8_t iface_num);
bool usb_vcp_can_write(uint8_t iface_num);
int usb_vcp_read(uint8_t iface_num, uint8_t *buf, uint32_t len);
int usb_vcp_write(uint8_t iface_num, const uint8_t *buf, uint32_t len);

68
embed/trezorhal/usb_vcp-impl.h
View File

@ -42,49 +42,49 @@
/* usb_vcp_add adds and configures new USB VCP interface according to
* configuration options passed in `info`. */
int usb_vcp_add(const usb_vcp_info_t *info) {
bool usb_vcp_add(const usb_vcp_info_t *info) {
usb_iface_t *iface = usb_get_iface(info->iface_num);
if (iface == NULL) {
return 1; // Invalid interface number
return false; // Invalid interface number
}
if (iface->type != USB_IFACE_TYPE_DISABLED) {
return 1; // Interface is already enabled
return false; // Interface is already enabled
}
usb_vcp_descriptor_block_t *d = usb_desc_alloc_iface(sizeof(usb_vcp_descriptor_block_t));
if (d == NULL) {
return 1; // Not enough space in the configuration descriptor
return false; // Not enough space in the configuration descriptor
}
if ((info->ep_cmd & USB_EP_DIR_MSK) != USB_EP_DIR_IN) {
return 1; // IN CMD EP is invalid
return false; // IN CMD EP is invalid
}
if ((info->ep_in & USB_EP_DIR_MSK) != USB_EP_DIR_IN) {
return 1; // IN EP is invalid
return false; // IN EP is invalid
}
if ((info->ep_out & USB_EP_DIR_MSK) != USB_EP_DIR_OUT) {
return 1; // OUT EP is invalid
return false; // OUT EP is invalid
}
if ((info->rx_buffer_len == 0) || (info->rx_buffer_len & (info->rx_buffer_len - 1)) != 0) {
return 1; // Capacity needs to be a power of 2
return false; // Capacity needs to be a power of 2
}
if ((info->tx_buffer_len == 0) || (info->tx_buffer_len & (info->tx_buffer_len - 1)) != 0) {
return 1; // Capacity needs to be a power of 2
return false; // Capacity needs to be a power of 2
}
if (info->rx_buffer == NULL) {
return 1;
return false;
}
if (info->rx_packet == NULL) {
return 1;
return false;
}
if (info->tx_buffer == NULL) {
return 1;
return false;
}
if (info->tx_packet == NULL) {
return 1;
return false;
}
// Interface association descriptor
@ -205,7 +205,7 @@ int usb_vcp_add(const usb_vcp_info_t *info) {
iface->vcp.ep_in_is_idle = 1;
return 0;
return true;
}
static inline size_t ring_length(usb_rbuf_t *b) {
@ -220,32 +220,32 @@ static inline int ring_full(usb_rbuf_t *b) {
return ring_length(b) == b->cap;
}
int usb_vcp_can_read(uint8_t iface_num) {
bool usb_vcp_can_read(uint8_t iface_num) {
usb_iface_t *iface = usb_get_iface(iface_num);
if (iface == NULL) {
return 0; // Invalid interface number
return false; // Invalid interface number
}
if (iface->type != USB_IFACE_TYPE_VCP) {
return 0; // Invalid interface type
return false; // Invalid interface type
}
if (ring_empty(&iface->vcp.rx_ring)) {
return 0; // Nothing in the rx buffer
return false; // Nothing in the rx buffer
}
return 1;
return true;
}
int usb_vcp_can_write(uint8_t iface_num) {
bool usb_vcp_can_write(uint8_t iface_num) {
usb_iface_t *iface = usb_get_iface(iface_num);
if (iface == NULL) {
return 0; // Invalid interface number
return false; // Invalid interface number
}
if (iface->type != USB_IFACE_TYPE_VCP) {
return 0; // Invalid interface type
return false; // Invalid interface type
}
if (ring_full(&iface->vcp.tx_ring)) {
return 0; // Tx ring buffer is full
return false; // Tx ring buffer is full
}
return 1;
return true;
}
int usb_vcp_read(uint8_t iface_num, uint8_t *buf, uint32_t len) {
@ -313,7 +313,7 @@ int usb_vcp_write_blocking(uint8_t iface_num, const uint8_t *buf, uint32_t len,
return usb_vcp_write(iface_num, buf, len);
}
static int usb_vcp_class_init(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t cfg_idx) {
static void usb_vcp_class_init(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t cfg_idx) {
// Open endpoints
USBD_LL_OpenEP(dev, state->ep_in, USBD_EP_TYPE_BULK, state->max_packet_len);
USBD_LL_OpenEP(dev, state->ep_out, USBD_EP_TYPE_BULK, state->max_packet_len);
@ -328,17 +328,13 @@ static int usb_vcp_class_init(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, u
// Prepare the OUT EP to receive next packet
USBD_LL_PrepareReceive(dev, state->ep_out, state->rx_packet, state->max_packet_len);
return USBD_OK;
}
static int usb_vcp_class_deinit(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t cfg_idx) {
static void usb_vcp_class_deinit(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t cfg_idx) {
// Close endpoints
USBD_LL_CloseEP(dev, state->ep_in);
USBD_LL_CloseEP(dev, state->ep_out);
USBD_LL_CloseEP(dev, state->ep_cmd);
return USBD_OK;
}
static int usb_vcp_class_setup(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, USBD_SetupReqTypedef *req) {
@ -377,14 +373,13 @@ static int usb_vcp_class_setup(USBD_HandleTypeDef *dev, usb_vcp_state_t *state,
return USBD_OK;
}
static uint8_t usb_vcp_class_data_in(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t ep_num) {
static void usb_vcp_class_data_in(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t ep_num) {
if ((ep_num | USB_EP_DIR_IN) == state->ep_in) {
state->ep_in_is_idle = 1;
}
return USBD_OK;
}
static uint8_t usb_vcp_class_data_out(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t ep_num) {
static void usb_vcp_class_data_out(USBD_HandleTypeDef *dev, usb_vcp_state_t *state, uint8_t ep_num) {
if (ep_num == state->ep_out) {
uint32_t len = USBD_LL_GetRxDataSize(dev, ep_num);
@ -407,12 +402,11 @@ static uint8_t usb_vcp_class_data_out(USBD_HandleTypeDef *dev, usb_vcp_state_t *
// Prepare the OUT EP to receive next packet
USBD_LL_PrepareReceive(dev, state->ep_out, state->rx_packet, state->max_packet_len);
}
return USBD_OK;
}
static uint8_t usb_vcp_class_sof(USBD_HandleTypeDef *dev, usb_vcp_state_t *state) {
static void usb_vcp_class_sof(USBD_HandleTypeDef *dev, usb_vcp_state_t *state) {
if (!state->ep_in_is_idle) {
return USBD_OK;
return;
}
// Read from the tx ring buffer
@ -432,6 +426,4 @@ static uint8_t usb_vcp_class_sof(USBD_HandleTypeDef *dev, usb_vcp_state_t *state
state->ep_in_is_idle = 0;
USBD_LL_Transmit(&usb_dev_handle, state->ep_in, buf, (uint16_t)i);
}
return USBD_OK;
}