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https://github.com/hathach/tinyusb.git
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fixed spelling
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@ -72,7 +72,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME 3 // max. transfer attemps per frame
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// #define CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME 3 // max. transfer attempts per frame
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -72,7 +72,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME 3 // max. transfer attemps per frame
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// #define CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME 3 // max. transfer attempts per frame
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -77,7 +77,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME 3 // max. transfer attemps per frame
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// #define CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME 3 // max. transfer attempts per frame
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -72,7 +72,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME 3 // max. transfer attemps per frame
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// #define CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME 3 // max. transfer attempts per frame
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -72,7 +72,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME 3 // max. transfer attemps per frame
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// #define CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME 3 // max. transfer attempts per frame
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -167,19 +167,19 @@ enum {
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};
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enum {
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EP_STATE_IDLE = 0,
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EP_STATE_ATTEMP1 = 1, // pending 1st attemp
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#if CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME
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EP_STATE_ATTEMP2 = 2, // don't change order
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EP_STATE_ATTEMP3 = 3, // need to be incrementable
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EP_STATE_ATTEMP4 = 4,
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EP_STATE_ATTEMP5 = 5,
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EP_STATE_ATTEMP6 = 6,
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EP_STATE_ATTEMP7 = 7,
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EP_STATE_ATTEMP8 = 8,
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EP_STATE_ATTEMP9 = 9,
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EP_STATE_ATTEMP10 = 10,
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EP_STATE_SUSPENDED, // keep next behind last attemp
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EP_STATE_IDLE = 0,
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EP_STATE_ATTEMPT1 = 1, // pending 1st attempt
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#if CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME
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EP_STATE_ATTEMPT2 = 2, // don't change order
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EP_STATE_ATTEMPT3 = 3, // need to be incrementable
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EP_STATE_ATTEMPT4 = 4,
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EP_STATE_ATTEMPT5 = 5,
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EP_STATE_ATTEMPT6 = 6,
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EP_STATE_ATTEMPT7 = 7,
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EP_STATE_ATTEMPT8 = 8,
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EP_STATE_ATTEMPT9 = 9,
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EP_STATE_ATTEMPT10 = 10,
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EP_STATE_SUSPENDED, // keep next behind last attempt
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#endif
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EP_STATE_COMPLETE,
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EP_STATE_QUANTITY // not used. only to get quantity. keep last
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@ -187,12 +187,12 @@ enum {
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TU_VERIFY_STATIC(EP_STATE_QUANTITY <= 16, "no more than 16 states possible. ep->state has 4 bits");
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#if CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME
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#define EP_STATE_ATTEMP_QUANTITY (EP_STATE_SUSPENDED - 1)
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TU_VERIFY_STATIC(CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME >= 1 &&
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CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME <= EP_STATE_ATTEMP_QUANTITY, "unsupported attemp quantity");
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#if CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME
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#define EP_STATE_ATTEMPT_QUANTITY (EP_STATE_SUSPENDED - 1)
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TU_VERIFY_STATIC(CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME >= 1 &&
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CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME <= EP_STATE_ATTEMPT_QUANTITY, "unsupported attempt quantity");
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#else
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#define EP_STATE_ATTEMP_QUANTITY 1
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#define EP_STATE_ATTEMPT_QUANTITY 1
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#endif
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//--------------------------------------------------------------------+
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@ -425,13 +425,13 @@ static max3421_ep_t * find_next_pending_ep(max3421_ep_t * cur_ep) {
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// search for next pending endpoint using round-robin scheduling
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// if no other endpoint is pending and current endpoint is still pending, the current endpoint will be returned
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// if no other endpoint is pending and current endpoint is not pending, NULL will be returned
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// TODO maybe priorization control/interrupt/bulk/iso
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// TODO maybe prioritisation control/interrupt/bulk/iso
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size_t const idx = (size_t) (cur_ep - _hcd_data.ep);
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// starting from next endpoint
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for (size_t i = idx + 1; i < CFG_TUH_MAX3421_ENDPOINT_TOTAL; i++) {
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max3421_ep_t* ep = &_hcd_data.ep[i];
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if (ep->state >= EP_STATE_ATTEMP1 && ep->state <= EP_STATE_ATTEMP_QUANTITY && ep->packet_size) {
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if (ep->state >= EP_STATE_ATTEMPT1 && ep->state <= EP_STATE_ATTEMPT_QUANTITY && ep->packet_size) {
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// TU_LOG3("next pending i = %u\r\n", i);
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return ep;
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}
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@ -440,7 +440,7 @@ static max3421_ep_t * find_next_pending_ep(max3421_ep_t * cur_ep) {
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// wrap around including current endpoint
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for (size_t i = 0; i <= idx; i++) {
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max3421_ep_t* ep = &_hcd_data.ep[i];
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if (ep->state >= EP_STATE_ATTEMP1 && ep->state <= EP_STATE_ATTEMP_QUANTITY && ep->packet_size) {
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if (ep->state >= EP_STATE_ATTEMPT1 && ep->state <= EP_STATE_ATTEMPT_QUANTITY && ep->packet_size) {
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// TU_LOG3("next pending i = %u\r\n", i);
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return ep;
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}
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@ -689,7 +689,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t daddr, uint8_t ep_addr, uint8_t * buf
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ep->buf = buffer;
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ep->total_len = buflen;
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ep->xferred_len = 0;
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ep->state = EP_STATE_ATTEMP1;
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ep->state = EP_STATE_ATTEMPT1;
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if ( ep_num == 0 ) {
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ep->is_setup = 0;
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@ -726,7 +726,7 @@ bool hcd_setup_send(uint8_t rhport, uint8_t daddr, uint8_t const setup_packet[8]
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ep->buf = (uint8_t*)(uintptr_t) setup_packet;
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ep->total_len = 8;
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ep->xferred_len = 0;
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ep->state = EP_STATE_ATTEMP1;
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ep->state = EP_STATE_ATTEMPT1;
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// carry out transfer if not busy
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if ( !atomic_flag_test_and_set(&_hcd_data.busy) ) {
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@ -844,9 +844,9 @@ static void handle_xfer_done(uint8_t rhport, bool in_isr) {
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if (ep_num == 0) {
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// setup/control => retry immediately
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hxfr_write(rhport, _hcd_data.hxfr, in_isr);
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#if CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME
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} else if (ep->state == CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME) {
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// no more retry this frame if max. attemps are reached => suspend and retry it next frame
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#if CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME
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} else if (ep->state == CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME) {
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// no more retry this frame if max. attempts are reached => suspend and retry it next frame
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ep->state = EP_STATE_SUSPENDED;
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max3421_ep_t * next_ep = find_next_pending_ep(ep);
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@ -859,8 +859,8 @@ static void handle_xfer_done(uint8_t rhport, bool in_isr) {
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}
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#endif
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} else {
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// another attemp
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#if CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME
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// another attempt
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#if CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME
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ep->state++;
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#endif
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@ -957,15 +957,15 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) {
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if (hirq & HIRQ_FRAME_IRQ) {
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_hcd_data.frame_count++;
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#if CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME
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// endpoints retry or restart attemp next frame
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#if CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME
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// endpoints retry or restart attempt next frame
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for (size_t i = 0; i < CFG_TUH_MAX3421_ENDPOINT_TOTAL; i++) {
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max3421_ep_t * ep = &_hcd_data.ep[i];
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// retry the endpoints that are suspended (NAK) last frame
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if (ep->state == EP_STATE_SUSPENDED) {
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// resume and retry suspended endpoint with attemp 1
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ep->state = EP_STATE_ATTEMP1;
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// resume and retry suspended endpoint with attempt 1
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ep->state = EP_STATE_ATTEMPT1;
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if (ep->packet_size) { // first test packet_size before atomic_flag_test_and_set()
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if (!atomic_flag_test_and_set(&_hcd_data.busy) ) {
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@ -973,9 +973,9 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) {
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xact_inout(rhport, ep, true, in_isr);
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}
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}
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} else if (ep->state > EP_STATE_ATTEMP1 && ep->state <= CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME) {
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} else if (ep->state > EP_STATE_ATTEMPT1 && ep->state <= CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME) {
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// restart all other running/pending endpoints
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ep->state = EP_STATE_ATTEMP1;
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ep->state = EP_STATE_ATTEMPT1;
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}
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}
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#endif
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@ -529,14 +529,14 @@
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#define CFG_TUH_MAX3421 0
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#endif
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// MAX3421 Host max. transfer attemps per frame (except control and iso)
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// MAX3421 Host max. transfer attempts per frame (except control and iso)
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// retry quantity = (CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME - 1)
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// 0 = endless retries. is default to keep compatibility
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// => this may overload MCU with permanently repeating NAK interrupts
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// => possible increased USB traffic, increased latencies, reduced data throughput
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// a usual attemp quantity is 3 (reference: the book "USB Complete" by Jan Axelson)
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#ifndef CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME
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#define CFG_TUH_MAX3421_MAX_ATTEMPS_PER_FRAME 0
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// a usual attempt quantity is 3 (reference: the book "USB Complete" by Jan Axelson)
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#ifndef CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME
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#define CFG_TUH_MAX3421_MAX_ATTEMPTS_PER_FRAME 0
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#endif
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