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- hcd_setup_send() also check for busy flag

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- xact_inout() to support send setup
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hathach 2023-08-29 20:27:37 +07:00
parent 3740a3287a
commit 2a814a99af
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GPG Key ID: F5D50C6D51D17CBA
1 changed files with 39 additions and 32 deletions
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71
src/portable/analog/max3421/hcd_max3421.c
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@ -168,6 +168,7 @@ typedef struct {
struct TU_ATTR_PACKED {
uint8_t ep_dir : 1;
uint8_t is_iso : 1;
uint8_t is_setup : 1;
uint8_t data_toggle : 1;
uint8_t xfer_pending : 1;
uint8_t xfer_complete : 1;
@ -590,56 +591,55 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t daddr, tusb_desc_endpoint_t const * e
void xact_out(uint8_t rhport, max3421_ep_t *ep, bool switch_ep, bool in_isr) {
// Page 12: Programming BULK-OUT Transfers
// TODO double buffered
uint8_t hxfr = ep->ep_num | HXFR_OUT_NIN | (ep->is_iso ? HXFR_ISO : 0);
if (ep->ep_num == 0 && (ep->buf == NULL || ep->total_len == 0)) {
// Control ZLP status use HS
hxfr |= HXFR_HS;
}
if (switch_ep) {
peraddr_write(rhport, ep->daddr, in_isr);
if ( 0 == (hxfr & HXFR_HS) ) {
uint8_t const hctl = (ep->data_toggle ? HCTL_SNDTOG1 : HCTL_SNDTOG0);
reg_write(rhport, HCTL_ADDR, hctl, in_isr);
}
uint8_t const hctl = (ep->data_toggle ? HCTL_SNDTOG1 : HCTL_SNDTOG0);
reg_write(rhport, HCTL_ADDR, hctl, in_isr);
}
if ( 0 == (hxfr & HXFR_HS) ) {
uint8_t const xact_len = (uint8_t) tu_min16(ep->total_len - ep->xferred_len, ep->packet_size);
TU_ASSERT(_hcd_data.hirq & HIRQ_SNDBAV_IRQ,);
if (xact_len) {
fifo_write(rhport, SNDFIFO_ADDR, ep->buf, xact_len, in_isr);
}
sndbc_write(rhport, xact_len, in_isr);
uint8_t const xact_len = (uint8_t) tu_min16(ep->total_len - ep->xferred_len, ep->packet_size);
TU_ASSERT(_hcd_data.hirq & HIRQ_SNDBAV_IRQ,);
if (xact_len) {
fifo_write(rhport, SNDFIFO_ADDR, ep->buf, xact_len, in_isr);
}
sndbc_write(rhport, xact_len, in_isr);
uint8_t hxfr = ep->ep_num | HXFR_OUT_NIN | (ep->is_iso ? HXFR_ISO : 0);
hxfr_write(rhport, hxfr, in_isr);
}
void xact_in(uint8_t rhport, max3421_ep_t *ep, bool switch_ep, bool in_isr) {
// Page 13: Programming BULK-IN Transfers
uint8_t hxfr = ep->ep_num | (ep->is_iso ? HXFR_ISO : 0);
if (ep->ep_num == 0 && (ep->buf == NULL || ep->total_len == 0)) {
// Control ZLP status use HS
hxfr |= HXFR_HS;
}
if (switch_ep) {
peraddr_write(rhport, ep->daddr, in_isr);
if ( 0 == (hxfr & HXFR_HS) ) {
uint8_t const hctl = (ep->data_toggle ? HCTL_RCVTOG1 : HCTL_RCVTOG0);
reg_write(rhport, HCTL_ADDR, hctl, in_isr);
}
uint8_t const hctl = (ep->data_toggle ? HCTL_RCVTOG1 : HCTL_RCVTOG0);
reg_write(rhport, HCTL_ADDR, hctl, in_isr);
}
uint8_t hxfr = ep->ep_num | (ep->is_iso ? HXFR_ISO : 0);
hxfr_write(rhport, hxfr, in_isr);
}
TU_ATTR_ALWAYS_INLINE static inline void xact_inout(uint8_t rhport, max3421_ep_t *ep, bool switch_ep, bool in_isr) {
if (ep->ep_num == 0 ) {
// setup
if (ep->is_setup) {
peraddr_write(rhport, ep->daddr, in_isr);
hxfr_write(rhport, HXFR_SETUP, in_isr);
return;
}
// status
if (ep->buf == NULL || ep->total_len == 0) {
uint8_t const hxfr = HXFR_HS | (ep->ep_dir ? 0 : HXFR_OUT_NIN);
peraddr_write(rhport, ep->daddr, in_isr);
hxfr_write(rhport, hxfr, in_isr);
return;
}
}
if (ep->ep_dir) {
xact_in(rhport, ep, switch_ep, in_isr);
}else {
@ -665,12 +665,15 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t daddr, uint8_t ep_addr, uint8_t * buf
ep->xfer_pending = 1;
if ( ep_num == 0 ) {
ep->is_setup = 0;
ep->data_toggle = 1;
}
// carry out transfer if not busy
if ( !atomic_flag_test_and_set(&_hcd_data.busy) ) {
xact_inout(rhport, ep, true, false);
} else {
return true;
}
return true;
@ -694,12 +697,16 @@ bool hcd_setup_send(uint8_t rhport, uint8_t daddr, uint8_t const setup_packet[8]
TU_ASSERT(ep);
ep->ep_dir = 0;
ep->total_len = 8;
ep->total_len = 8;
ep->xferred_len = 0;
ep->is_setup = 1;
peraddr_write(rhport, daddr, false);
fifo_write(rhport, SUDFIFO_ADDR, setup_packet, 8, false);
hxfr_write(rhport, HXFR_SETUP, false);
// carry out transfer if not busy
if ( !atomic_flag_test_and_set(&_hcd_data.busy) ) {
xact_inout(rhport, ep, true, false);
}
return true;
}