/*
* support more than 64 bytes command on ep4
*/
void usb_reg_out_patch(void)
{
uint16_t usbfifolen;
uint16_t ii;
uint32_t ep4_data;
static volatile uint32_t *regaddr;
static uint16_t cmd_len;
static VBUF *buf;
BOOLEAN cmd_is_last = FALSE;
static BOOLEAN cmd_is_new = TRUE;
/* get the size of this transcation */
usbfifolen = USB_BYTE_REG_READ(ZM_EP4_BYTE_COUNT_LOW_OFFSET);
if (usbfifolen > USB_EP4_MAX_PKT_SIZE) {
A_PRINTF("EP4 FIFO Bug? Buffer is too big: %x\n", usbfifolen);
cold_reboot();
}
/* check is command is new */
if(cmd_is_new) {
buf = usbFifoConf.get_command_buf();
cmd_len = 0;
if(!buf) {
A_PRINTF("%s: Filed to get new buffer.\n", __func__);
goto err;
}
/* copy free, assignment buffer of the address */
regaddr = (uint32_t *)buf->desc_list->buf_addr;
cmd_is_new = FALSE;
}
/* just in case, suppose should not happen */
if(!buf)
goto err;
/* if size is smaller, this is the last command!
* zero-length supposed should be set through 0x27/bit7->0x19/bit4, not here
*/
if(usbfifolen < USB_EP4_MAX_PKT_SIZE)
cmd_is_last = TRUE;
/* accumulate the size */
cmd_len += usbfifolen;
if (cmd_len > buf->desc_list->buf_size) {
A_PRINTF("%s: Data length on EP4 FIFO is bigger as "
"allocated buffer data! Drop it!\n", __func__);
goto err;
}
/* round it to alignment */
if(usbfifolen % 4)
usbfifolen = (usbfifolen >> 2) + 1;
else
/*
* -- support more than 64 bytes command on ep4 --
*/
void vUsb_Reg_Out_patch(void)
{
uint16_t usbfifolen;
uint16_t ii;
uint32_t ep4_data;
static volatile uint32_t *regaddr;
static uint16_t cmdLen;
static VBUF *buf;
BOOLEAN cmd_is_last = FALSE;
static BOOLEAN cmd_is_new = TRUE;
// get the size of this transcation
usbfifolen = USB_BYTE_REG_READ(ZM_EP4_BYTE_COUNT_LOW_OFFSET);
// check is command is new
if( cmd_is_new ){
buf = usbFifoConf.get_command_buf();
cmdLen = 0;
if( !buf )
goto ERR;
// copy free, assignment buffer of the address
regaddr = (uint32_t *)buf->desc_list->buf_addr;
cmd_is_new = FALSE;
}
// just in case, suppose should not happen
if( !buf )
goto ERR;
// if size is smaller, this is the last command!
// zero-length supposed should be set through 0x27/bit7->0x19/bit4, not here
if( usbfifolen<64 ) {
cmd_is_last = TRUE;
}
// accumulate the size
cmdLen += usbfifolen;
// round it to alignment
if(usbfifolen % 4)
usbfifolen = (usbfifolen >> 2) + 1;
else