From 19575ecc62ffde6e271e423f42ec1618e7019f05 Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Wed, 17 Jul 2013 08:09:43 -0700 Subject: [PATCH] Updated usb regs (markdown) --- usb-regs.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/usb-regs.md b/usb-regs.md index 84a6299..e79c74c 100644 --- a/usb-regs.md +++ b/usb-regs.md @@ -118,7 +118,9 @@ These bits indicate if fallowing groups got some interrupt. # 0x23 ZM_INTR_SOURCE_2_OFFSET # 0x24 ZM_INTR_SOURCE_3_OFFSET # 0x25 ZM_INTR_SOURCE_4_OFFSET -* BIT6 - vUsb_Reg_Out()? +* BIT7 - End of data. +* BIT6 - vUsb_Reg_Out(). Pending data in fifo for EP4. We need to read it out. +Comments: we can read only 64bytes per time. If pending data is less then 64bytes or it is end of packet, then BIT6 and BIT7 will be set. If not, then only BIT6 is set. # 0x26 ZM_INTR_SOURCE_5_OFFSET these endpoints are handled by DMA -- 2.25.1