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Ignore disabled Kinetis USB endpoint interrupts #8596

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Merged
merged 1 commit into from
Nov 5, 2018
Merged

Ignore disabled Kinetis USB endpoint interrupts #8596

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9 changes: 6 additions & 3 deletions usb/device/targets/TARGET_Freescale/USBPhy_Kinetis.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -636,8 +636,11 @@ void USBPhyHw::process()
uint32_t ev_odd = (USB0->STAT >> 2) & 0x01;
int phy_ep = (num << 1) | dir;

bool tx_en = (USB0->ENDPOINT[PHY_TO_LOG(phy_ep)].ENDPT & USB_ENDPT_EPTXEN_MASK) ? true : false;
bool rx_en = (USB0->ENDPOINT[PHY_TO_LOG(phy_ep)].ENDPT & USB_ENDPT_EPRXEN_MASK) ? true : false;

// setup packet
if ((num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) {
if (tx_en && (num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) {
setup_suspend = true;
Data1 |= 0x02 | 0x01; // set DATA1 for TX and RX
bdt[EP_BDT_IDX(0, TX, EVEN)].info &= ~BD_OWN_MASK;
Expand All @@ -648,7 +651,7 @@ void USBPhyHw::process()

} else {
// OUT packet
if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) {
if (rx_en && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN)) {
if (num == 0)
events->ep0_out();
else {
Expand All @@ -658,7 +661,7 @@ void USBPhyHw::process()
}

// IN packet
if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN) {
if (tx_en && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN)) {
if (num == 0) {
events->ep0_in();
if (set_addr == 1) {
Expand Down