fix(port/dwc2/usb_hc_dwc2): enlarge pktcnt to 0x3ff, GHWCFG3(bit4:6) = 6, GHWCFG3(bit0:3) = 8

sakumisu · sakumisu · commit 894b80d9edbf · 2025-04-23T18:21:31.000+08:00
Signed-off-by: sakumisu &lt;1203593632@qq.com&gt;
diff --git a/port/dwc2/usb_hc_dwc2.c b/port/dwc2/usb_hc_dwc2.c
@@ -378,14 +378,14 @@ static void dwc2_chan_free(struct dwc2_chan *chan)
     usb_osal_leave_critical_section(flags);
 }
 
-static uint8_t dwc2_calculate_packet_num(uint32_t input_size, uint8_t ep_addr, uint16_t ep_mps, uint32_t *output_size)
+static uint16_t dwc2_calculate_packet_num(uint32_t input_size, uint8_t ep_addr, uint16_t ep_mps, uint32_t *output_size)
 {
     uint16_t num_packets;
 
     num_packets = (uint16_t)((input_size + ep_mps - 1U) / ep_mps);
 
-    if (num_packets > 256) {
-        num_packets = 256;
+    if (num_packets > 0x3FF) {
+        num_packets = 0x3FF; // pktcnt 10bits
     }
 
     if (input_size == 0) {

Original file line number	Diff line number	Diff line change
`@@ -378,14 +378,14 @@ static void dwc2_chan_free(struct dwc2_chan *chan)`
`378`	`378`	`usb_osal_leave_critical_section(flags);`
`379`	`379`	`}`
`380`	`380`
`381`		`-static uint8_t dwc2_calculate_packet_num(uint32_t input_size, uint8_t ep_addr, uint16_t ep_mps, uint32_t *output_size)`
	`381`	`+static uint16_t dwc2_calculate_packet_num(uint32_t input_size, uint8_t ep_addr, uint16_t ep_mps, uint32_t *output_size)`
`382`	`382`	`{`
`383`	`383`	`uint16_t num_packets;`
`384`	`384`
`385`	`385`	`num_packets = (uint16_t)((input_size + ep_mps - 1U) / ep_mps);`
`386`	`386`
`387`		`- if (num_packets > 256) {`
`388`		`- num_packets = 256;`
	`387`	`+ if (num_packets > 0x3FF) {`
	`388`	`+ num_packets = 0x3FF; // pktcnt 10bits`
`389`	`389`	`}`
`390`	`390`
`391`	`391`	`if (input_size == 0) {`