diff options
| author | HiFiPhile <[email protected]> | 2024-08-02 11:52:35 +0200 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-08-02 11:52:35 +0200 |
| commit | 95cb319bded7db536edaae24936a825a8524a4a2 (patch) | |
| tree | 7de7d7f8d1916061cdaefcfb4f220397e1d0fbb8 /src/class/vendor | |
| parent | adc7a78fd6fbdccbe5f586391997052f2becd149 (diff) | |
| parent | 4232642899362fa5e9cf0dc59bad6f1f6d32c563 (diff) | |
Merge branch 'master' into vendor_fifo
Diffstat (limited to 'src/class/vendor')
| -rw-r--r-- | src/class/vendor/vendor_device.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/class/vendor/vendor_device.c b/src/class/vendor/vendor_device.c index dcd629965..06c663f1b 100644 --- a/src/class/vendor/vendor_device.c +++ b/src/class/vendor/vendor_device.c @@ -36,6 +36,8 @@ //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF //--------------------------------------------------------------------+ +#define BULK_PACKET_SIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + typedef struct { uint8_t itf_num; @@ -331,7 +333,6 @@ uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, ui bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) { - (void) rhport; (void) result; uint8_t itf = 0; @@ -364,7 +365,18 @@ bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint if (tud_vendor_tx_cb) tud_vendor_tx_cb(itf, (uint16_t) xferred_bytes); #if CFG_TUD_VENDOR_TX_BUFSIZE > 0 // Send complete, try to send more if possible - tud_vendor_n_write_flush(itf); + if ( 0 == tud_vendor_n_write_flush(itf) ) + { + // If there is no data left, a ZLP should be sent if + // xferred_bytes is multiple of EP Packet size and not zero + if ( !tu_fifo_count(&p_itf->tx_ff) && xferred_bytes && (0 == (xferred_bytes & (BULK_PACKET_SIZE-1))) ) + { + if ( usbd_edpt_claim(rhport, p_itf->ep_in) ) + { + usbd_edpt_xfer(rhport, p_itf->ep_in, NULL, 0); + } + } + } #endif } |