Lwip stack for Standalone STM32F407VG

[ecmanja]

Posted on June 06, 2014 at 15:42

Hi Al

I have referred to  AN3966 (LwIP TCP/IP stack demonstration for STM32F407/STM32F417 microcontrollers) to get LWIP stack for Standalone STM32F407VG. And also i got LWIP stack files from a link

http://www

.st.com/we

b/en/catal

og/tools/P

F257906

 in ST forum but in that link most of the Header files are missing ,So can anyone please suggest how can i achieve LWIP for Standalone STM32F407VG. #off-topic #lmgtfy

[Tesla DeLorean]

Posted on June 06, 2014 at 17:13

There's that and the Ethernet IAP example.

What header files? Isn't LwIP freely available on the interwebs? Can you not just get that and back port or merge the STM32F2/4, and board specific, code?

[sanjib]

Posted on June 07, 2014 at 14:16

Hi clive

what you have tried with timer 2 (DMA updating the arr ) I have tried with the timer 5.....for timer 2 is working but why not working for timer 5 when both are having the same features. Code is pasted below #include ''unistd.h'' #include ''stm32f4xx.h'' #include ''stm32f4_discovery.h'' #include ''stm32f4xx_tim.h'' #include ''stm32f4xx_rcc.h'' #include ''stm32f4xx.h'' #include <misc.h> #include ''stm32f4xx_adc.h'' #include ''stm32f4xx_gpio.h'' #include ''stm32f4xx_dac.h'' #include ''stm32f4xx_tim.h'' #include ''stm32f4xx_dma.h'' #include ''stm32f4xx_usart.h'' #include ''stm32f4_discovery.h'' #define SAMPLES 4 uint32_t SampleVector[SAMPLES] = { 200, 300, 3200, 12800 }; // TIM2 32-bit /**************************************************************************************/ void RCC_Configuration(void) {   /* DMA1 (TIM2 on APB1) clock enable */   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);   /* TIM5 clock enable */   RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);   /* GPIOA clock enable */   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); } /**************************************************************************************/ void GPIO_Configuration(void) {   GPIO_InitTypeDef GPIO_InitStructure;   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; // PA1 TIM5_CH2   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;   GPIO_Init(GPIOA, &GPIO_InitStructure);   /* Connect TIM2 pin  */   GPIO_PinAFConfig(GPIOA, GPIO_PinSource1, GPIO_AF_TIM5); // PA1 TIM5_CH2 } /**************************************************************************************/ void DMA_Configuration(void) {   DMA_InitTypeDef DMA_InitStructure;   DMA_DeInit(DMA1_Stream0);   DMA_InitStructure.DMA_Channel = DMA_Channel_6;   DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&TIM2->ARR;   DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&SampleVector[0];   DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;   DMA_InitStructure.DMA_BufferSize = SAMPLES;   DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;   DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;   DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; // TIM2 is 32-bit   DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;   DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;   DMA_InitStructure.DMA_Priority = DMA_Priority_High;   DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Enable;   DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;   DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;   DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;   DMA_Init(DMA1_Stream0, &DMA_InitStructure);   DMA_Cmd(DMA1_Stream0, ENABLE); } /**************************************************************************************/ void TIM5_Configuration(void) {   TIM_TimeBaseInitTypeDef TIM_InitStruct;   TIM_OCInitTypeDef TIM_OCInitStructure;   /* Time base configuration */   TIM_InitStruct.TIM_Prescaler = 2 - 1;                // This will configure the clock to 32 MHz   TIM_InitStruct.TIM_CounterMode = TIM_CounterMode_Up; // Count-up timer mode   TIM_InitStruct.TIM_Period = 200 - 1;                 // 160 KHz initially   TIM_InitStruct.TIM_ClockDivision = TIM_CKD_DIV1;     // Divide clock by 1   TIM_InitStruct.TIM_RepetitionCounter = 0;            // Set to 0, not used   TIM_TimeBaseInit(TIM5, &TIM_InitStruct);   TIM_ARRPreloadConfig(TIM5, ENABLE);   /* Output Compare Toggle Mode configuration: Channel2 - so we can actually measure widths */   TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle; // 80 KHz   TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;   TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;   TIM_OCInitStructure.TIM_Pulse = 1;   TIM_OC2Init(TIM5, &TIM_OCInitStructure);   /* TIM2 Update Interrupt enable - for whatever purpose, likely to saturate */   TIM_ITConfig(TIM5, TIM_IT_Update, ENABLE);   /* TIM2 Update DMA Request enable */   TIM_DMACmd(TIM5, TIM_DMA_Update, ENABLE);   /* TIM2 enable counter */   TIM_Cmd(TIM5, ENABLE); } /**************************************************************************************/ void NVIC_Configuration(void) {   NVIC_InitTypeDef NVIC_InitStructure;   /* Enable TIM5 Interrupt */   NVIC_InitStructure.NVIC_IRQChannel = TIM5_IRQn;   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;   NVIC_Init(&NVIC_InitStructure); } /**************************************************************************************/ void TIM5_IRQHandler(void) {   if (TIM_GetITStatus(TIM5, TIM_IT_Update) != RESET)   {     TIM_ClearITPendingBit(TIM5, TIM_IT_Update);   STM_EVAL_LEDToggle(LED3);   } } /**************************************************************************************/ int main(void) {   RCC_Configuration();   NVIC_Configuration();   GPIO_Configuration();   STM_EVAL_LEDInit(LED3);   DMA_Configuration();   TIM5_Configuration();   while(1); // Don't want to exit } /**************************************************************************************/ #ifdef  USE_FULL_ASSERT /**   * @brief  Reports the name of the source file and the source line number   *   where the assert_param error has occurred.   * @param  file: pointer to the source file name   * @param  line: assert_param error line source number   * @retval None   */ void assert_failed(uint8_t* file, uint32_t line) {   /* User can add his own implementation to report the file name and line number,      ex: printf(''Wrong parameters value: file %s on line %d\r\n'', file, line) */   /* Infinite loop */   while (1)   {   } } #endif

[Tesla DeLorean]

Posted on June 07, 2014 at 14:54

If you have a question about Ethernet or LwIP please use this thread, otherwise start another.

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[ecmanja]

Posted on June 09, 2014 at 07:20Hi clive, i searched for  Lwip in interweb but i didn't get it. if u know the link to get Lwip plz post the link so that it can help me to move further.Regards,manjunath

[Tesla DeLorean]

Posted on June 09, 2014 at 08:17

i searched for  Lwip in interweb but i didn't get it. if u know the link to get Lwip plz post the link so that it can help me to move further.

Honestly?

http://savannah.nongnu.org/projects/lwip/

http://download.savannah.gnu.org/releases/lwip/

[ecmanja]

Posted on June 10, 2014 at 06:45

Hi clive,

i got LWIP from 

http://download.savannah.gnu.org/releases/lwip/

 link but when i try to compile using CoIDE ,it gives a error like arch/cc.h and config.h files are not found. where can i get those files? or am i going wrong in procedure ?  

[ecmanja]

Posted on June 10, 2014 at 13:24

Hi All,

i got lwip from this 

http://download.savannah.gnu.org/releases/lwip/

 link when i try to compile it, its giving a error like config.h file not found. is this config.h is system file?? how can i get config.h file?

[ecmanja]

Posted on June 10, 2014 at 16:05Hi All , please help regarding this issue.

[Tesla DeLorean]

Posted on June 10, 2014 at 16:40

Would suggest you review the ''contrib'' related ports, and how the STM32F4 port was achieved.

If there are no compiler/platform issues to address the config.h can be an empty file. STM32F4x7_ETH_LwIP_V1.0.0\Utilities\Third_Party\lwip_v1.3.2\port\STM32F4x7\arch\sys_arch.h