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authorpschatzmann <[email protected]>2025-01-04 22:20:46 +0100
committerMengsk <[email protected]>2025-01-15 10:18:16 +0100
commitb91d5ebb4509d02d108e249197884913698aac1c (patch)
treeba79354b7a49b123774833a80bb4425c3129bb66 /src
parent2495563600f1cd2220d740895fad701dd48f1fb6 (diff)
rp2040 correct dcd_edpt_iso_activate
Diffstat (limited to 'src')
-rw-r--r--src/portable/raspberrypi/rp2040/dcd_rp2040.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/portable/raspberrypi/rp2040/dcd_rp2040.c b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
index af08b549d..b91dd38d5 100644
--- a/src/portable/raspberrypi/rp2040/dcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
@@ -496,6 +496,12 @@ bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet
bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc) {
(void) rhport;
const uint8_t ep_addr = ep_desc->bEndpointAddress;
+
+ // init w/o allocate
+ const uint16_t mps = ep_desc->wMaxPacketSize;
+ uint16_t size = (uint16_t)tu_div_ceil(mps, 64) * 64u;
+ hw_endpoint_init(ep_addr, size, TUSB_XFER_ISOCHRONOUS);
+
// Fill in endpoint control register with buffer offset
struct hw_endpoint* ep = hw_endpoint_get_by_addr(ep_addr);
TU_ASSERT(ep->hw_data_buf != NULL); // must be inited and buffer allocated