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[FL-1885] USB-UART bridge (#778)

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* [FL-1885] USB-UART: app and worker
* [FL-1885] USB-UART: UART on CDC0

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
This commit is contained in:
Nikolay Minaylov
2021-10-21 21:12:20 +03:00
committed by GitHub
parent c2535f4269
commit 88cee4601a
32 changed files with 1095 additions and 159 deletions
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firmware/targets/f7/furi-hal/furi-hal-usb-cdc.c
+69 -23
View File
@@ -1,6 +1,5 @@
#include "furi-hal-version.h"
#include "furi-hal-usb_i.h"
#include "furi-hal-vcp_i.h"
#include "furi-hal-usb-cdc_i.h"
#include <furi.h>
@@ -17,6 +16,8 @@
#define CDC_NTF_SZ 0x08
#define IF_NUM_MAX 2
struct CdcIadDescriptor {
struct usb_iad_descriptor comm_iad;
struct usb_interface_descriptor comm;
@@ -343,12 +344,8 @@ static const struct CdcConfigDescriptorDual cdc_cfg_desc_dual = {
},
};
static struct usb_cdc_line_coding cdc_line = {
.dwDTERate = 38400,
.bCharFormat = USB_CDC_1_STOP_BITS,
.bParityType = USB_CDC_NO_PARITY,
.bDataBits = 8,
};
static struct usb_cdc_line_coding cdc_config[IF_NUM_MAX] = {};
static void cdc_init(usbd_device* dev, struct UsbInterface* intf);
static void cdc_deinit(usbd_device *dev);
static void cdc_on_wakeup(usbd_device *dev);
@@ -358,6 +355,7 @@ static usbd_respond cdc_ep_config (usbd_device *dev, uint8_t cfg);
static usbd_respond cdc_control (usbd_device *dev, usbd_ctlreq *req, usbd_rqc_callback *callback);
static usbd_device* usb_dev;
static struct UsbInterface* cdc_if_cur = NULL;
static CdcCallbacks* callbacks[IF_NUM_MAX] = {NULL};
struct UsbInterface usb_cdc_single = {
.init = cdc_init,
@@ -429,6 +427,17 @@ static void cdc_deinit(usbd_device *dev) {
cdc_if_cur = NULL;
}
void furi_hal_cdc_set_callbacks(uint8_t if_num, CdcCallbacks* cb) {
if (if_num < 2)
callbacks[if_num] = cb;
}
struct usb_cdc_line_coding* furi_hal_cdc_get_port_settings(uint8_t if_num) {
if (if_num < 2)
return &cdc_config[if_num];
return NULL;
}
void furi_hal_cdc_send(uint8_t if_num, uint8_t* buf, uint16_t len) {
if (if_num == 0)
usbd_ep_write(usb_dev, CDC0_TXD_EP, buf, len);
@@ -444,25 +453,47 @@ int32_t furi_hal_cdc_receive(uint8_t if_num, uint8_t* buf, uint16_t max_len) {
}
static void cdc_on_wakeup(usbd_device *dev) {
furi_hal_vcp_on_usb_resume();
for (uint8_t i = 0; i < IF_NUM_MAX; i++) {
if (callbacks[i] != NULL) {
if (callbacks[i]->state_callback != NULL)
callbacks[i]->state_callback(1);
}
}
}
static void cdc_on_suspend(usbd_device *dev) {
furi_hal_vcp_on_usb_suspend();
for (uint8_t i = 0; i < IF_NUM_MAX; i++) {
if (callbacks[i] != NULL) {
if (callbacks[i]->state_callback != NULL)
callbacks[i]->state_callback(0);
}
}
}
static void cdc_rx_ep_callback (usbd_device *dev, uint8_t event, uint8_t ep) {
uint8_t if_num = 0;
if (ep == CDC0_RXD_EP)
furi_hal_vcp_on_cdc_rx(0);
if_num = 0;
else
furi_hal_vcp_on_cdc_rx(1);
if_num = 1;
if (callbacks[if_num] != NULL) {
if (callbacks[if_num]->rx_ep_callback != NULL)
callbacks[if_num]->rx_ep_callback();
}
}
static void cdc_tx_ep_callback (usbd_device *dev, uint8_t event, uint8_t ep) {
uint8_t if_num = 0;
if (ep == CDC0_TXD_EP)
furi_hal_vcp_on_cdc_tx_complete(0);
if_num = 0;
else
furi_hal_vcp_on_cdc_tx_complete(1);
if_num = 1;
if (callbacks[if_num] != NULL) {
if (callbacks[if_num]->tx_ep_callback != NULL)
callbacks[if_num]->tx_ep_callback();
}
}
static void cdc_txrx_ep_callback (usbd_device *dev, uint8_t event, uint8_t ep) {
@@ -494,13 +525,15 @@ static usbd_respond cdc_ep_config (usbd_device *dev, uint8_t cfg) {
return usbd_ack;
case 1:
/* configuring device */
if ((CDC0_TXD_EP & 0x7F) != (CDC0_RXD_EP & 0x7F)) {
if ((CDC0_TXD_EP & 0x7F) != (CDC0_RXD_EP & 0x7F)) {
// 2x unidirectional endpoint mode with dualbuf
usbd_ep_config(dev, CDC0_RXD_EP, USB_EPTYPE_BULK | USB_EPTYPE_DBLBUF, CDC_DATA_SZ);
usbd_ep_config(dev, CDC0_TXD_EP, USB_EPTYPE_BULK | USB_EPTYPE_DBLBUF, CDC_DATA_SZ);
usbd_ep_config(dev, CDC0_NTF_EP, USB_EPTYPE_INTERRUPT, CDC_NTF_SZ);
usbd_reg_endpoint(dev, CDC0_RXD_EP, cdc_rx_ep_callback);
usbd_reg_endpoint(dev, CDC0_TXD_EP, cdc_tx_ep_callback);
} else {
} else {
// 1x bidirectional endpoint mode
usbd_ep_config(dev, CDC0_RXD_EP, USB_EPTYPE_BULK, CDC_DATA_SZ);
usbd_ep_config(dev, CDC0_TXD_EP, USB_EPTYPE_BULK, CDC_DATA_SZ);
usbd_ep_config(dev, CDC0_NTF_EP, USB_EPTYPE_INTERRUPT, CDC_NTF_SZ);
@@ -532,20 +565,33 @@ static usbd_respond cdc_ep_config (usbd_device *dev, uint8_t cfg) {
}
/* Control requests handler */
static usbd_respond cdc_control (usbd_device *dev, usbd_ctlreq *req, usbd_rqc_callback *callback) {
static usbd_respond cdc_control(usbd_device* dev, usbd_ctlreq* req, usbd_rqc_callback* callback) {
/* CDC control requests */
if (((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) == (USB_REQ_INTERFACE | USB_REQ_CLASS)
&& req->wIndex == 0 ) {
switch (req->bRequest) {
uint8_t if_num = 0;
if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) == (USB_REQ_INTERFACE | USB_REQ_CLASS)
&& (req->wIndex == 0 || req->wIndex == 2)) {
if (req->wIndex == 0)
if_num = 0;
else
if_num = 1;
switch(req->bRequest) {
case USB_CDC_SET_CONTROL_LINE_STATE:
furi_hal_vcp_on_cdc_control_line(req->wValue);
if (callbacks[if_num] != NULL) {
if (callbacks[if_num]->ctrl_line_callback != NULL)
callbacks[if_num]->ctrl_line_callback(req->wValue);
}
return usbd_ack;
case USB_CDC_SET_LINE_CODING:
memcpy(&cdc_line, req->data, sizeof(cdc_line));
memcpy(&cdc_config[if_num], req->data, sizeof(cdc_config[0]));
if (callbacks[if_num] != NULL) {
if (callbacks[if_num]->config_callback != NULL)
callbacks[if_num]->config_callback(&cdc_config[if_num]);
}
return usbd_ack;
case USB_CDC_GET_LINE_CODING:
dev->status.data_ptr = &cdc_line;
dev->status.data_count = sizeof(cdc_line);
dev->status.data_ptr = &cdc_config[if_num];
dev->status.data_count = sizeof(cdc_config[0]);
return usbd_ack;
default:
return usbd_fail;