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/* mbed Microcontroller Library | ||
* Copyright (c) 2017 ARM Limited | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include "stm32f4xx_hal.h" | ||
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void _eth_config_mac(ETH_HandleTypeDef *heth) | ||
{ | ||
ETH_MACInitTypeDef macconf = | ||
{ | ||
.Watchdog = ETH_WATCHDOG_ENABLE, | ||
.Jabber = ETH_JABBER_ENABLE, | ||
.InterFrameGap = ETH_INTERFRAMEGAP_96BIT, | ||
.CarrierSense = ETH_CARRIERSENCE_ENABLE, | ||
.ReceiveOwn = ETH_RECEIVEOWN_ENABLE, | ||
.LoopbackMode = ETH_LOOPBACKMODE_DISABLE, | ||
.ChecksumOffload = ETH_CHECKSUMOFFLAOD_ENABLE, | ||
.RetryTransmission = ETH_RETRYTRANSMISSION_DISABLE, | ||
.AutomaticPadCRCStrip = ETH_AUTOMATICPADCRCSTRIP_DISABLE, | ||
.BackOffLimit = ETH_BACKOFFLIMIT_10, | ||
.DeferralCheck = ETH_DEFFERRALCHECK_DISABLE, | ||
.ReceiveAll = ETH_RECEIVEAll_DISABLE, | ||
.SourceAddrFilter = ETH_SOURCEADDRFILTER_DISABLE, | ||
.PassControlFrames = ETH_PASSCONTROLFRAMES_BLOCKALL, | ||
.BroadcastFramesReception = ETH_BROADCASTFRAMESRECEPTION_ENABLE, | ||
.DestinationAddrFilter = ETH_DESTINATIONADDRFILTER_NORMAL, | ||
.PromiscuousMode = ETH_PROMISCUOUS_MODE_DISABLE, | ||
.MulticastFramesFilter = ETH_MULTICASTFRAMESFILTER_NONE, // Disable multicast filter | ||
.UnicastFramesFilter = ETH_UNICASTFRAMESFILTER_PERFECT, | ||
.HashTableHigh = 0x0U, | ||
.HashTableLow = 0x0U, | ||
.PauseTime = 0x0U, | ||
.ZeroQuantaPause = ETH_ZEROQUANTAPAUSE_DISABLE, | ||
.PauseLowThreshold = ETH_PAUSELOWTHRESHOLD_MINUS4, | ||
.UnicastPauseFrameDetect = ETH_UNICASTPAUSEFRAMEDETECT_DISABLE, | ||
.ReceiveFlowControl = ETH_RECEIVEFLOWCONTROL_DISABLE, | ||
.TransmitFlowControl = ETH_TRANSMITFLOWCONTROL_DISABLE, | ||
.VLANTagComparison = ETH_VLANTAGCOMPARISON_16BIT, | ||
.VLANTagIdentifier = 0x0U | ||
}; | ||
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if (heth->Init.ChecksumMode == ETH_CHECKSUM_BY_HARDWARE) { | ||
macconf.ChecksumOffload = ETH_CHECKSUMOFFLAOD_ENABLE; | ||
} else { | ||
macconf.ChecksumOffload = ETH_CHECKSUMOFFLAOD_DISABLE; | ||
} | ||
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(void) HAL_ETH_ConfigMAC(heth, &macconf); | ||
} |
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#include <string.h> | ||
#include "stm32f4xx_hal.h" | ||
#include "mbed_toolchain.h" | ||
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#define C029_OTP_START_ADDRESS (0x1FFF7800U) | ||
#define C029_OTP_END_ADDRESS (C029_OTP_START_ADDRESS + (16*32)) | ||
#define C029_MAC_ETHERNET_ID (3) | ||
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typedef MBED_PACKED(struct) C029_OTP_Header { | ||
uint8_t id; | ||
uint8_t len; | ||
uint8_t data[]; | ||
} C029_OTP_Header; | ||
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static int _macRetrieved = 0; | ||
static char _macAddr[6] = { 0x02, 0x02, 0xF7, 0xF0, 0x00, 0x00 }; | ||
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static C029_OTP_Header *increment(C029_OTP_Header *pTemp) | ||
{ | ||
uint8_t len = 0; | ||
uint8_t id = 0; | ||
uint8_t *p = (uint8_t*)pTemp; | ||
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memcpy((void*)&id, (void*)pTemp, 1); | ||
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if (id == 0xFF){ | ||
p++; | ||
} else { | ||
p++; | ||
memcpy((void*)&len, (void*)p++, 1); | ||
p += len; | ||
} | ||
return (C029_OTP_Header*)p; | ||
} | ||
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/** | ||
* Override HAL Eth Init function | ||
*/ | ||
void HAL_ETH_MspInit(ETH_HandleTypeDef* heth) | ||
{ | ||
GPIO_InitTypeDef GPIO_InitStructure; | ||
if (heth->Instance == ETH) { | ||
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/* Enable GPIOs clocks */ | ||
__HAL_RCC_GPIOA_CLK_ENABLE(); | ||
__HAL_RCC_GPIOB_CLK_ENABLE(); | ||
__HAL_RCC_GPIOC_CLK_ENABLE(); | ||
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/** ETH GPIO Configuration | ||
RMII_REF_CLK ----------------------> PA1 | ||
RMII_MDIO -------------------------> PA2 | ||
RMII_MDC --------------------------> PC1 | ||
RMII_MII_CRS_DV -------------------> PA7 | ||
RMII_MII_RXD0 ---------------------> PC4 | ||
RMII_MII_RXD1 ---------------------> PC5 | ||
RMII_MII_RXER ---------------------> PG2 | ||
RMII_MII_TX_EN --------------------> PB11 | ||
RMII_MII_TXD0 ---------------------> PB12 | ||
RMII_MII_TXD1 ---------------------> PB13 | ||
*/ | ||
/* Configure PA1, PA2 and PA7 */ | ||
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; | ||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP; | ||
GPIO_InitStructure.Pull = GPIO_PULLUP; | ||
GPIO_InitStructure.Pin = GPIO_PIN_2 | GPIO_PIN_7; | ||
GPIO_InitStructure.Alternate = GPIO_AF11_ETH; | ||
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); | ||
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GPIO_InitStructure.Pull = GPIO_NOPULL; | ||
GPIO_InitStructure.Pin = GPIO_PIN_1; | ||
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); | ||
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/* Configure PB13 */ | ||
GPIO_InitStructure.Pin = GPIO_PIN_13 | GPIO_PIN_11 | GPIO_PIN_12; | ||
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); | ||
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/* Configure PC1, PC4 and PC5 */ | ||
GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5; | ||
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); | ||
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/* Enable the Ethernet global Interrupt */ | ||
HAL_NVIC_SetPriority(ETH_IRQn, 0x7, 0); | ||
HAL_NVIC_EnableIRQ(ETH_IRQn); | ||
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/* Enable ETHERNET clock */ | ||
__HAL_RCC_ETH_CLK_ENABLE(); | ||
} | ||
} | ||
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/** | ||
* Override HAL Eth DeInit function | ||
*/ | ||
void HAL_ETH_MspDeInit(ETH_HandleTypeDef* heth) | ||
{ | ||
if (heth->Instance == ETH) { | ||
/* Peripheral clock disable */ | ||
__HAL_RCC_ETH_CLK_DISABLE(); | ||
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/** ETH GPIO Configuration | ||
RMII_REF_CLK ----------------------> PA1 | ||
RMII_MDIO -------------------------> PA2 | ||
RMII_MDC --------------------------> PC1 | ||
RMII_MII_CRS_DV -------------------> PA7 | ||
RMII_MII_RXD0 ---------------------> PC4 | ||
RMII_MII_RXD1 ---------------------> PC5 | ||
RMII_MII_RXER ---------------------> PG2 | ||
RMII_MII_TX_EN --------------------> PB11 | ||
RMII_MII_TXD0 ---------------------> PB12 | ||
RMII_MII_TXD1 ---------------------> PB13 | ||
*/ | ||
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7); | ||
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13 | GPIO_PIN_11 | GPIO_PIN_12); | ||
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5); | ||
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/* Disable the Ethernet global Interrupt */ | ||
NVIC_DisableIRQ(ETH_IRQn); | ||
} | ||
} | ||
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uint8_t mbed_otp_mac_address(char *mac) | ||
{ | ||
C029_OTP_Header *pFound = NULL; | ||
C029_OTP_Header *pTemp = (C029_OTP_Header*)C029_OTP_START_ADDRESS; | ||
C029_OTP_Header temp; | ||
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if (_macRetrieved == 0) { | ||
while ((pTemp >= (C029_OTP_Header*)C029_OTP_START_ADDRESS) && (pTemp < (C029_OTP_Header*)C029_OTP_END_ADDRESS)){ | ||
memcpy((void*)&temp, (void*)pTemp, sizeof(temp)); | ||
if (temp.id == C029_MAC_ETHERNET_ID){ | ||
pFound = pTemp; | ||
break; | ||
} | ||
pTemp = increment(pTemp); | ||
} | ||
if (pFound != NULL) { | ||
memcpy(_macAddr, pFound->data, 6); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I assume the 6 is the size of the macAddr - could this be a #define then ? |
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_macRetrieved = 1; | ||
} | ||
} | ||
memcpy(mac, _macAddr, 6); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Same comment as above |
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return 1; | ||
} |
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@@ -25,8 +25,7 @@ static C029_OTP_Header *increment(C029_OTP_Header *pTemp) | |
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if (id == 0xFF){ | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Same comment as the one above about this conditional structure |
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p++; | ||
} | ||
else { | ||
} else { | ||
p++; | ||
memcpy((void*)&len, (void*)p++, 1); | ||
p += len; | ||
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@@ -59,31 +58,30 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef* heth) | |
RMII_MII_TXD0 ---------------------> PB12 | ||
RMII_MII_TXD1 ---------------------> PB13 | ||
*/ | ||
/* Configure PA1, PA2 and PA7 */ | ||
/* Configure PA1, PA2 and PA7 */ | ||
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; | ||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP; | ||
GPIO_InitStructure.Pull = GPIO_PULLUP; | ||
GPIO_InitStructure.Pin = GPIO_PIN_2 | GPIO_PIN_7; | ||
GPIO_InitStructure.Alternate = GPIO_AF11_ETH; | ||
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); | ||
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GPIO_InitStructure.Pull = GPIO_NOPULL; | ||
GPIO_InitStructure.Pin = GPIO_PIN_1; | ||
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); | ||
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/* Configure PB13 */ | ||
GPIO_InitStructure.Pin = GPIO_PIN_13 | GPIO_PIN_11 | GPIO_PIN_12; | ||
GPIO_InitStructure.Pin = GPIO_PIN_13 | GPIO_PIN_11 | GPIO_PIN_12; | ||
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); | ||
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/* Configure PC1, PC4 and PC5 */ | ||
GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5; | ||
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); | ||
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HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); | ||
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/* Enable the Ethernet global Interrupt */ | ||
HAL_NVIC_SetPriority(ETH_IRQn, 0x7, 0); | ||
HAL_NVIC_EnableIRQ(ETH_IRQn); | ||
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/* Enable ETHERNET clock */ | ||
__HAL_RCC_ETH_CLK_ENABLE(); | ||
} | ||
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There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
p++ is done in both parts of the conditional. Would it be better to write as :
??