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| author | (no author) <(no author)@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-07-24 18:53:34 +0000 |
|---|---|---|
| committer | (no author) <(no author)@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-07-24 18:53:34 +0000 |
| commit | 500fb4be8abbbc80c58ebe2a6d25f0ee407b928a (patch) | |
| tree | c3606205036d8aba0dfe0fa2ae571061cbd84c12 /openpcd/firmware.txt | |
| parent | caf5000333d37d2a772236bd6c3d539b0ee39c86 (diff) | |
remaining changes after half-failing commit
git-svn-id: https://svn.openpcd.org:2342/trunk@36 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'openpcd/firmware.txt')
| -rw-r--r-- | openpcd/firmware.txt | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/openpcd/firmware.txt b/openpcd/firmware.txt index b34113c..6f8f85c 100644 --- a/openpcd/firmware.txt +++ b/openpcd/firmware.txt @@ -65,6 +65,22 @@ EP3 interrupt 3.1 dumb interface +struct usb_pcd_out_hdr { + u_int8_t cmd; /* command */ + u_int8_t flags; + u_int8_t reg; /* register */ + u_int8_t res; + u_int16_t len; + u_int8_t data[0]; +} __attribute__ ((packed)); + +#define USB_PCD_CMD_WRITE_REG 0x01 +#define USB_PCD_CMD_WRITE_FIFO 0x02 +#define USB_PCD_CMD_WRITE_VFIFO 0x03 +#define USB_PCD_CMD_READ_REG 0x11 +#define USB_PCD_CMD_READ_FIFO 0x12 +#define USB_PCD_CMD_WRITE_VFIFO 0x13 + TBD 3.2 Intelligent interface @@ -102,7 +118,7 @@ is used to search for a free buffer using which the UDC RX DMA can be refilled. 4.1.1 Performing SPI Register Read -[ UDC has configured RX dma for reception of usb packets ] +[ UDC has configured RX FIFO for reception of usb packets ] - UDC issues interrupt that USB endpoint receive has completed (FIFO) - UDC driver defragments multiple packets into one transfer [optional] - UDC driver submits another buffer for DMA reception |