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@ -297,7 +297,7 @@ int usb_vcp_write(uint8_t iface_num, const uint8_t *buf, uint32_t len) {
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b->write++;
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}
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return len;
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return i;
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}
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int usb_vcp_read_blocking(uint8_t iface_num, uint8_t *buf, uint32_t len,
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@ -315,13 +315,19 @@ int usb_vcp_read_blocking(uint8_t iface_num, uint8_t *buf, uint32_t len,
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int usb_vcp_write_blocking(uint8_t iface_num, const uint8_t *buf, uint32_t len,
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int timeout) {
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uint32_t start = HAL_GetTick();
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while (sectrue != usb_vcp_can_write(iface_num)) {
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if (timeout >= 0 && HAL_GetTick() - start >= timeout) {
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return 0; // Timeout
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uint32_t i = 0;
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while (i < len) {
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while (sectrue != usb_vcp_can_write(iface_num)) {
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if (timeout >= 0 && HAL_GetTick() - start >= timeout) {
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return i; // Timeout
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}
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__WFI(); // Enter sleep mode, waiting for interrupt
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}
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__WFI(); // Enter sleep mode, waiting for interrupt
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int ret = usb_vcp_write(iface_num, buf + i, len - i);
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if (ret < 0) return ret;
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i += ret;
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}
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return usb_vcp_write(iface_num, buf, len);
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return i;
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}
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static void usb_vcp_class_init(USBD_HandleTypeDef *dev, usb_vcp_state_t *state,
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