//*****************************************************************************
//
// emac.c - Driver for the Integrated Ethernet Controller on Snowflake-class
// Tiva devices.
//
// Copyright (c) 2013-2020 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 2.2.0.295 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup emac_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "inc/hw_emac.h"
#include "driverlib/debug.h"
#include "driverlib/emac.h"
#include "driverlib/sysctl.h"
#include "driverlib/interrupt.h"
#include "driverlib/sw_crc.h"
//*****************************************************************************
//
// Combined defines used in parameter validity checks.
//
//*****************************************************************************
//*****************************************************************************
//
// Combined valid configuration flags.
//
//*****************************************************************************
#define VALID_CONFIG_FLAGS (EMAC_CONFIG_USE_MACADDR1 | \
EMAC_CONFIG_SA_INSERT | \
EMAC_CONFIG_SA_REPLACE | \
EMAC_CONFIG_2K_PACKETS | \
EMAC_CONFIG_STRIP_CRC | \
EMAC_CONFIG_JABBER_DISABLE | \
EMAC_CONFIG_JUMBO_ENABLE | \
EMAC_CONFIG_IF_GAP_MASK | \
EMAC_CONFIG_CS_DISABLE | \
EMAC_CONFIG_100MBPS | \
EMAC_CONFIG_RX_OWN_DISABLE | \
EMAC_CONFIG_LOOPBACK | \
EMAC_CONFIG_FULL_DUPLEX | \
EMAC_CONFIG_CHECKSUM_OFFLOAD | \
EMAC_CONFIG_RETRY_DISABLE | \
EMAC_CONFIG_AUTO_CRC_STRIPPING | \
EMAC_CONFIG_BO_MASK | \
EMAC_CONFIG_DEFERRAL_CHK_ENABLE | \
EMAC_CONFIG_PREAMBLE_MASK)
//*****************************************************************************
//
// Combined valid frame filter flags.
//
//*****************************************************************************
#define VALID_FRMFILTER_FLAGS (EMAC_FRMFILTER_RX_ALL | \
EMAC_FRMFILTER_VLAN | \
EMAC_FRMFILTER_HASH_AND_PERFECT | \
EMAC_FRMFILTER_SADDR | \
EMAC_FRMFILTER_INV_SADDR | \
EMAC_FRMFILTER_PASS_NO_PAUSE | \
EMAC_FRMFILTER_PASS_ALL_CTRL | \
EMAC_FRMFILTER_PASS_ADDR_CTRL | \
EMAC_FRMFILTER_BROADCAST | \
EMAC_FRMFILTER_PASS_MULTICAST | \
EMAC_FRMFILTER_INV_DADDR | \
EMAC_FRMFILTER_HASH_MULTICAST | \
EMAC_FRMFILTER_HASH_UNICAST | \
EMAC_FRMFILTER_PROMISCUOUS)
//*****************************************************************************
//
// Combined valid maskable interrupts.
//
//*****************************************************************************
#define EMAC_MASKABLE_INTS (EMAC_INT_EARLY_RECEIVE | \
EMAC_INT_BUS_ERROR | \
EMAC_INT_EARLY_TRANSMIT | \
EMAC_INT_RX_WATCHDOG | \
EMAC_INT_RX_STOPPED | \
EMAC_INT_RX_NO_BUFFER | \
EMAC_INT_RECEIVE | \
EMAC_INT_TX_UNDERFLOW | \
EMAC_INT_RX_OVERFLOW | \
EMAC_INT_TX_JABBER | \
EMAC_INT_TX_NO_BUFFER | \
EMAC_INT_TX_STOPPED | \
EMAC_INT_TRANSMIT | \
EMAC_INT_NORMAL_INT | \
EMAC_INT_ABNORMAL_INT | \
EMAC_INT_PHY)
//*****************************************************************************
//
// Combined valid normal interrupts.
//
//*****************************************************************************
#define EMAC_NORMAL_INTS (EMAC_INT_TRANSMIT | \
EMAC_INT_RECEIVE | \
EMAC_INT_EARLY_RECEIVE | \
EMAC_INT_TX_NO_BUFFER)
//*****************************************************************************
//
// Combined valid abnormal interrupts.
//
//*******************************************
TM4C1294XL定时器触发ADC采样，使用DMA搬运，DMA工作在ping-pong模式下。
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2022-04-04
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TM4C1294XL定时器触发ADC采样，使用DMA搬运，DMA工作在ping-pong模式下。 （121个子文件） 
Uart.uvguix.Administrator 181KB emac.c 203KB usb.c 199KB sysctl.c 141KB gpio.c 100KB hibernate.c 84KB epi.c 82KB pwm.c 78KB adc.c 75KB can.c 72KB lcd.c 69KB i2c.c 68KB timer.c 67KB uart.c 67KB udma.c 48KB aes.c 45KB ssi.c 41KB eeprom.c 39KB interrupt.c 34KB shamd5.c 33KB flash.c 31KB sw_crc.c 27KB onewire.c 26KB qei.c 25KB des.c 25KB watchdog.c 20KB comp.c 16KB mpu.c 16KB cpu.c 13KB fpu.c 11KB sysexc.c 11KB crc.c 11KB systick.c 9KB bsp_adc.c 5KB bsp_dwt.c 4KB system_TM4C129.c 2KB bsp_led.c 499B main.c 362B tm4c1294ncpdt.h 851KB pin_map.h 670KB rom.h 528KB rom_map.h 244KB hw_sysctl.h 216KB hw_usb.h 153KB hw_emac.h 105KB hw_pwm.h 105KB hw_nvic.h 73KB hw_adc.h 73KB hw_epi.h 53KB emac.h 48KB hw_timer.h 41KB sysctl.h 39KB udma.h 36KB usb.h 36KB hw_flash.h 34KB hw_lcd.h 32KB hw_ints.h 29KB epi.h 27KB hw_aes.h 27KB hw_i2c.h 26KB hw_shamd5.h 25KB hw_hibernate.h 25KB hw_can.h 23KB lcd.h 22KB hw_udma.h 21KB hw_uart.h 20KB i2c.h 18KB adc.h 17KB pwm.h 17KB timer.h 16KB hw_des.h 16KB can.h 14KB hw_ssi.h 13KB uart.h 13KB hw_eeprom.h 12KB hibernate.h 12KB hw_onewire.h 12KB eeprom.h 11KB hw_comp.h 11KB hw_gpio.h 11KB gpio.h 11KB onewire.h 10KB aes.h 10KB hw_qei.h 9KB hw_memmap.h 8KB qei.h 8KB comp.h 8KB ssi.h 7KB hw_sysexc.h 7KB asmdefs.h 7KB hw_types.h 7KB mpu.h 7KB des.h 6KB hw_ccm.h 6KB hw_watchdog.h 6KB shamd5.h 6KB flash.h 5KB rtos_bindings.h 5KB fpu.h 5KB crc.h 5KB共 121 条
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