bstanwell/wch-uf2-example
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yet more unsupported command error fixing

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R
2024-04-14 03:25:00 +01:00
parent 409819787e
commit 3d657b6704
1 changed files with 13 additions and 1 deletions
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bootloader.c
+12
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@@ -754,7 +754,19 @@ __attribute__((naked)) int main(void) {
default: default:
// illegal command // illegal command
msc_state = STATE_SENT_CSW | (5 << 20); msc_state = STATE_SENT_CSW | (5 << 20);
if (dCBWDataTransferLength == 0) {
USB_EP1_IN(0) = 0x5355;
USB_EP1_IN(2) = 0x5342;
USB_EP1_IN(4) = dCSWTag;
USB_EP1_IN(6) = dCSWTag >> 16;
USB_EP1_IN(8) = 0;
USB_EP1_IN(10) = 0;
USB_EP1_IN(12) = 1;
USB_DESCS[1].count_tx = 13;
set_ep_mode(1, 1, USB_EPTYPE_BULK, USB_STAT_STALL, USB_STAT_ACK, 0, 0);
} else {
set_ep_mode(1, 1, USB_EPTYPE_BULK, USB_STAT_STALL, USB_STAT_STALL, 0, 0); set_ep_mode(1, 1, USB_EPTYPE_BULK, USB_STAT_STALL, USB_STAT_STALL, 0, 0);
}
break; break;
} }
} }