update for gr_citurs

This commit is contained in:
kkitayam
2021-03-24 00:53:55 +09:00
parent 13735eb21d
commit f8cf88f918
4 changed files with 141 additions and 44 deletions

View File

@@ -72,6 +72,7 @@
#define USB_PIPECTR_SQMON (1u<<6)
#define USB_PIPECTR_SQCLR (1u<<8)
#define USB_PIPECTR_ACLRM (1u<<9)
#define USB_PIPECTR_INBUFM (1u<<14)
#define USB_PIPECTR_BSTS (1u<<15)
#define USB_FIFOCTR_DTLN (0x1FF)
@@ -213,13 +214,29 @@ static volatile uint16_t* ep_addr_to_pipectr(uint8_t rhport, unsigned ep_addr)
return ctr;
}
static unsigned wait_for_pipe_ready(void)
{
unsigned ctr;
do {
ctr = USB0.D0FIFOCTR.WORD;
} while (!(ctr & USB_FIFOCTR_FRDY));
return ctr;
}
static unsigned select_pipe(unsigned num, unsigned attr)
{
USB0.PIPESEL.WORD = num;
USB0.D0FIFOSEL.WORD = num | attr;
while (!(USB0.D0FIFOSEL.BIT.CURPIPE != num)) ;
return wait_for_pipe_ready();
}
/* 1 less than 64 bytes were written
* 2 no bytes were written
* 0 64 bytes were written */
static int write_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps)
* 0 mps bytes were written */
static int write_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps, unsigned ofs)
{
unsigned rem = pipe->remaining;
unsigned rem = pipe->remaining - ofs;
if (!rem) return 2;
unsigned len = (rem < mps) ? rem: mps;
@@ -243,6 +260,35 @@ static int write_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps)
if (rem < mps) return 1;
return 0;
}
#if 1
static int write_fifo2(volatile void *fifo, pipe_state_t* pipe, unsigned mps)
{
unsigned rem = pipe->remaining;
if (!rem) return 2;
unsigned len = (rem < mps) ? rem: mps;
pipe->remaining = rem - len;
hw_fifo_t *reg = (hw_fifo_t*)fifo;
uintptr_t addr = pipe->addr + pipe->length - rem;
if (addr & 1u) {
/* addr is not 2-byte aligned */
reg->u8 = *(const uint8_t *)addr;
++addr;
--len;
}
while (len >= 2) {
reg->u16 = *(const uint16_t *)addr;
addr += 2;
len -= 2;
}
if (len) {
reg->u8 = *(const uint8_t *)addr;
++addr;
}
if (rem < mps) return 1;
return 0;
}
#endif
/* 1 if the number of bytes read is less than 64 bytes
* 0 otherwise */
@@ -313,7 +359,7 @@ static bool process_edpt0_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer,
pipe->data = USB0.DCPCTR.BIT.SQMON;
if (ep_addr) { /* IN */
TU_ASSERT(USB0.DCPCTR.BIT.BSTS && (USB0.USBREQ.WORD & 0x80));
if (write_fifo(&USB0.CFIFO.WORD, pipe, 64)) {
if (write_fifo(&USB0.CFIFO.WORD, pipe, 64, 0)) {
USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
}
}
@@ -321,11 +367,11 @@ static bool process_edpt0_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer,
// TU_LOG1("X %x %d\r\n", ep_addr, total_bytes);
} else {
/* ZLP */
pipe->addr = 0;
pipe->length = 0;
pipe->remaining = 0;
pipe->data = USB0.DCPCTR.BIT.SQMON;
USB0.DCPCTR.WORD = USB_PIPECTR_CCPL | USB_PIPECTR_PID_BUF;
pipe->addr = 0;
pipe->length = 0;
pipe->remaining = 0;
pipe->data = USB0.DCPCTR.BIT.SQMON;
USB0.DCPCTR.WORD = USB_PIPECTR_CCPL | USB_PIPECTR_PID_BUF;
// TU_LOG1("Z %x\r\n", USB0.DCPCTR.WORD);
}
return true;
@@ -338,7 +384,7 @@ static void process_edpt0_bemp(uint8_t rhport)
if (USB0.DCPCTR.BIT.SQMON == data) {
TU_LOG1("W %x\r\n", USB0.DCPCTR.WORD);
/* retry transfer */
int r = write_fifo(&USB0.CFIFO.WORD, &_dcd.pipe[0], 64);
int r = write_fifo(&USB0.CFIFO.WORD, &_dcd.pipe[0], 64, 0);
if (r) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
return;
}
@@ -347,7 +393,7 @@ static void process_edpt0_bemp(uint8_t rhport)
pipe->remaining = rem - 64;
pipe->data = data ^ 1;
TU_LOG1("Y %d %x\r\n", rem - 64, USB0.DCPCTR.WORD);
int r = write_fifo(&USB0.CFIFO.WORD, &_dcd.pipe[0], 64);
int r = write_fifo(&USB0.CFIFO.WORD, &_dcd.pipe[0], 64, 0);
if (r) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
return;
}
@@ -393,9 +439,23 @@ static bool process_pipe_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer,
if (dir) { /* IN */
USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_16;
while (!(USB0.D0FIFOSEL.BIT.CURPIPE != num)) ;
if (write_fifo(&USB0.D0FIFO.WORD, pipe, mps)) {
#if 0
unsigned ofs = 0;
if (USB0.PIPECFG.BIT.DBLB && (total_bytes > mps)) {
write_fifo(&USB0.D0FIFO.WORD, pipe, mps, 0);
}
if (write_fifo(&USB0.D0FIFO.WORD, pipe, mps, ofs)) {
USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
}
#else
if (USB0.PIPECFG.BIT.DBLB && (total_bytes > mps)) {
write_fifo2(&USB0.D0FIFO.WORD, pipe, mps);
wait_for_pipe_ready();
}
if (write_fifo2(&USB0.D0FIFO.WORD, pipe, mps)) {
USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
}
#endif
USB0.D0FIFOSEL.WORD = 0;
} else {
volatile reg_pipetre_t *pt = get_pipetre(num);
@@ -411,43 +471,76 @@ static bool process_pipe_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer,
TU_LOG1("X %x %d\r\n", ep_addr, total_bytes);
return true;
}
#if 0
static void process_pipe_bemp(uint8_t rhport, unsigned num)
{
pipe_state_t *pipe = &_dcd.pipe[num];
const unsigned rem = pipe->remaining;
if (rem > 64) {
pipe->remaining = rem - 64;
TU_LOG1("Y %d\r\n", rem - 64);
USB0.PIPESEL.WORD = num;
const unsigned mps = USB0.PIPEMAXP.WORD;
USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_16;
while (!(USB0.D0FIFOSEL.BIT.CURPIPE != num)) ;
int r = write_fifo(&USB0.D0FIFO.WORD, pipe, mps);
if (r) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
USB0.D0FIFOSEL.WORD = 0;
unsigned rem = pipe->remaining;
USB0.PIPESEL.WORD = num;
const unsigned mps = USB0.PIPEMAXP.WORD;
if (rem > mps) {
rem -= mps;
pipe->remaining = rem;
if (USB0.PIPECFG.BIT.DBLB) {
if (rem > mps) {
unsigned ctr = select_pipe(num, USB_FIFOSEL_MBW_16);
int r = write_fifo(&USB0.D0FIFO.WORD, pipe, mps, mps);
if (r) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
USB0.D0FIFOSEL.WORD = 0;
TU_LOG1("< %d %x %x %d\r\n", rem, ctr, *get_pipectr(num), r);
}
} else {
unsigned ctr = select_pipe(num, USB_FIFOSEL_MBW_16);
int r = write_fifo(&USB0.D0FIFO.WORD, pipe, mps, 0);
if (r) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
USB0.D0FIFOSEL.WORD = 0;
TU_LOG1("< %d %x %x %d\r\n", rem, ctr, *get_pipectr(num), r);
}
return;
}
pipe->addr = 0;
pipe->remaining = 0;
USB0.D0FIFOSEL.WORD = 0;
dcd_event_xfer_complete(rhport, pipe->ep, pipe->length,
XFER_RESULT_SUCCESS, true);
// TU_LOG1("cE\r\n");
TU_LOG1("cE\r\n");
}
#else
static void process_pipe_bemp(uint8_t rhport, unsigned num)
{
pipe_state_t *pipe = &_dcd.pipe[num];
const unsigned rem = pipe->remaining;
if (rem) {
USB0.PIPESEL.WORD = num;
const unsigned mps = USB0.PIPEMAXP.WORD;
unsigned ctr = select_pipe(num, USB_FIFOSEL_MBW_16);
int r = write_fifo2(&USB0.D0FIFO.WORD, pipe, mps);
if (r) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
USB0.D0FIFOSEL.WORD = 0;
TU_LOG1("< %d %x %x %d\r\n", rem, ctr, *get_pipectr(num), r);
return;
}
if (*get_pipectr(num) & USB_PIPECTR_INBUFM) {
TU_LOG1("< SKIP\r\n");
return;
}
pipe->addr = 0;
pipe->remaining = 0;
USB0.D0FIFOSEL.WORD = 0;
dcd_event_xfer_complete(rhport, pipe->ep, pipe->length,
XFER_RESULT_SUCCESS, true);
TU_LOG1("cE\r\n");
}
#endif
static void process_pipe_brdy(uint8_t rhport, unsigned num)
{
pipe_state_t *pipe = &_dcd.pipe[num];
USB0.PIPESEL.WORD = num;
const unsigned mps = USB0.PIPEMAXP.WORD;
USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_8;
while (!(USB0.D0FIFOSEL.BIT.CURPIPE != num)) ;
unsigned ctr;
do {
ctr = USB0.D0FIFOCTR.WORD;
} while (!(ctr & USB_FIFOCTR_FRDY));
const unsigned len = ctr & USB_FIFOCTR_DTLN;
TU_LOG1(">> %d %x %x\r\n", num, USB0.D0FIFOSEL.WORD, ctr);
const unsigned ctr = select_pipe(num, USB_FIFOSEL_MBW_8);
const unsigned len = ctr & USB_FIFOCTR_DTLN;
const unsigned mps = USB0.PIPEMAXP.WORD;
pipe_state_t *pipe = &_dcd.pipe[num];
// TU_LOG1("> %d %x %x\r\n", num, USB0.D0FIFOSEL.WORD, ctr);
int cplt = read_fifo(&USB0.D0FIFO.WORD, pipe, mps, len);
if (cplt || (len < mps)) {
if (2 != cplt) {
@@ -457,7 +550,7 @@ static void process_pipe_brdy(uint8_t rhport, unsigned num)
dcd_event_xfer_complete(rhport, pipe->ep,
pipe->length - pipe->remaining,
XFER_RESULT_SUCCESS, true);
TU_LOG1("c\r\n");
// TU_LOG1("c\r\n");
} else {
USB0.D0FIFOSEL.WORD = 0;
}
@@ -589,7 +682,7 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
const unsigned mps = ep_desc->wMaxPacketSize.size;
if (xfer == TUSB_XFER_ISOCHRONOUS && mps > 256) {
/* USBB support up to 256 bytes */
/* USBa supports up to 256 bytes */
return false;
}