bool cdc_send_data(const uint8_t* data, size_t len) {
if (!cmp_usb_configured()) {
return false;
}
uint16_t sent = usbd_ep_write_packet(cdc_usbd_dev, ENDP_CDC_DATA_IN,
(const void*)data,
(uint16_t)len);
return (sent != 0);
}
bool cdc_uart_app_update(void) {
bool active = false;
static uint16_t packet_len = 0;
static uint8_t packet_buffer[USB_CDC_MAX_PACKET_SIZE];
if (packet_len < USB_CDC_MAX_PACKET_SIZE) {
uint16_t max_bytes = (USB_CDC_MAX_PACKET_SIZE- packet_len);
packet_len += console_recv_buffered(&packet_buffer[packet_len], max_bytes);
}
if (packet_len > 0 && cmp_usb_configured()) {
if (cdc_send_data(packet_buffer, packet_len)) {
active = true;
packet_len = 0;
if (cdc_uart_tx_callback) {
cdc_uart_tx_callback();
}
}
}
return active;
}
bool vcdc_app_update(void) {
bool active = false;
while (packet_len < USB_VCDC_MAX_PACKET_SIZE && !vcdc_tx_buffer_empty()) {
packet_buffer[packet_len] = vcdc_tx_buffer_get();
packet_len++;
}
if (packet_len > 0 && cmp_usb_configured()) {
uint16_t sent = usbd_ep_write_packet(vcdc_usbd_dev, ENDP_VCDC_DATA_IN,
(const void*)packet_buffer,
packet_len);
if (sent != 0) {
packet_len = 0;
active = true;
if (vcdc_tx_callback != NULL) {
vcdc_tx_callback();
}
}
}
return active;
}