ST STM32F2 User Manual

HAL ETH Generic Driver
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DocID028236 Rev 2
ETH DMA Rx descriptor buffers
ETH_DMARXDESC_BUFFER1
DMA Rx Desc Buffer1
ETH_DMARXDESC_BUFFER2
DMA Rx Desc Buffer2
ETH DMA transmit process state
ETH_DMA_TRANSMITPROCESS_STOPPED
Stopped - Reset or Stop Tx Command
issued
ETH_DMA_TRANSMITPROCESS_FETCHING
Running - fetching the Tx descriptor
ETH_DMA_TRANSMITPROCESS_WAITING
Running - waiting for status
ETH_DMA_TRANSMITPROCESS_READING
Running - reading the data from host
memory
ETH_DMA_TRANSMITPROCESS_SUSPENDED
Suspended - Tx Descriptor
unavailable
ETH_DMA_TRANSMITPROCESS_CLOSING
Running - closing Rx descriptor
ETH DMA TX Descriptor
ETH_DMATXDESC_OWN
OWN bit: descriptor is owned by
DMA engine
ETH_DMATXDESC_IC
Interrupt on Completion
ETH_DMATXDESC_LS
Last Segment
ETH_DMATXDESC_FS
First Segment
ETH_DMATXDESC_DC
Disable CRC
ETH_DMATXDESC_DP
Disable Padding
ETH_DMATXDESC_TTSE
Transmit Time Stamp Enable
ETH_DMATXDESC_CIC
Checksum Insertion Control: 4
cases
ETH_DMATXDESC_CIC_BYPASS
Do Nothing: Checksum Engine is
bypassed
ETH_DMATXDESC_CIC_IPV4HEADER
IPV4 header Checksum Insertion
ETH_DMATXDESC_CIC_TCPUDPICMP_SEGMENT
TCP/UDP/ICMP Checksum
Insertion calculated over segment
only
ETH_DMATXDESC_CIC_TCPUDPICMP_FULL
TCP/UDP/ICMP Checksum
Insertion fully calculated
ETH_DMATXDESC_TER
Transmit End of Ring
ETH_DMATXDESC_TCH
Second Address Chained
ETH_DMATXDESC_TTSS
Tx Time Stamp Status
ETH_DMATXDESC_IHE
IP Header Error
ETH_DMATXDESC_ES
Error summary: OR of the
following bits: UE || ED || EC ||
LCO || NC || LCA || FF || JT
ETH_DMATXDESC_JT
Jabber Timeout

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English