Пт июн 28, 2013 10:24:18
#include "stm32f4_discovery.h"
#include "stm32f4xx_fsmc.h"
int main(void)
{
SystemInit();
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIO D and E clocks */
RCC_AHB1PeriphClockCmd(
RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE,
ENABLE);
// Create GPIO D Init structure for used pins
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_7
| GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
/* Initialize pins */
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* Configure GPIO D pins as FSMC alternate functions */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource4, GPIO_AF_FSMC); // NOE -> RD
GPIO_PinAFConfig(GPIOD, GPIO_PinSource5, GPIO_AF_FSMC); // NWE -> WR
GPIO_PinAFConfig(GPIOD, GPIO_PinSource7, GPIO_AF_FSMC); // NE1 -> CS
GPIO_PinAFConfig(GPIOD, GPIO_PinSource8, GPIO_AF_FSMC); // D13 -> D5
GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_FSMC); // D14 -> D6
GPIO_PinAFConfig(GPIOD, GPIO_PinSource10, GPIO_AF_FSMC); // D15 -> D7
GPIO_PinAFConfig(GPIOD, GPIO_PinSource11, GPIO_AF_FSMC); // A16 -> RS
/* Create GPIO E Init structure for used pin */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13
| GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
/* Initialize GPIOE pins */
GPIO_Init(GPIOE, &GPIO_InitStructure);
/* Configure GPIO E pins as FSMC alternate functions */
GPIO_PinAFConfig(GPIOE, GPIO_PinSource11, GPIO_AF_FSMC); // D8 -> D0
GPIO_PinAFConfig(GPIOE, GPIO_PinSource12, GPIO_AF_FSMC); // D9 -> D1
GPIO_PinAFConfig(GPIOE, GPIO_PinSource13, GPIO_AF_FSMC); // D10 -> D2
GPIO_PinAFConfig(GPIOE, GPIO_PinSource14, GPIO_AF_FSMC); // D11 -> D3
GPIO_PinAFConfig(GPIOE, GPIO_PinSource15, GPIO_AF_FSMC); // D12 -> D4
/* Configure Reset Pin */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
/* Initialize GPIOE pins */
GPIO_Init(GPIOE, &GPIO_InitStructure);
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef FSMC_NORSRAMTimingInitStructureRead;
FSMC_NORSRAMTimingInitTypeDef FSMC_NORSRAMTimingInitStructureWrite;
/* Enable FSMC Clock */
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC, ENABLE);
/* Define Read timing parameters */
FSMC_NORSRAMTimingInitStructureRead.FSMC_AddressSetupTime = 3;
FSMC_NORSRAMTimingInitStructureRead.FSMC_AddressHoldTime = 0;
FSMC_NORSRAMTimingInitStructureRead.FSMC_DataSetupTime = 15;
FSMC_NORSRAMTimingInitStructureRead.FSMC_BusTurnAroundDuration = 0;
FSMC_NORSRAMTimingInitStructureRead.FSMC_CLKDivision = 1;
FSMC_NORSRAMTimingInitStructureRead.FSMC_DataLatency = 0;
FSMC_NORSRAMTimingInitStructureRead.FSMC_AccessMode = FSMC_AccessMode_A;
/* Define Write Timing parameters */
FSMC_NORSRAMTimingInitStructureWrite.FSMC_AddressSetupTime = 3;
FSMC_NORSRAMTimingInitStructureWrite.FSMC_AddressHoldTime = 0;
FSMC_NORSRAMTimingInitStructureWrite.FSMC_DataSetupTime = 6;
FSMC_NORSRAMTimingInitStructureWrite.FSMC_BusTurnAroundDuration = 0;
FSMC_NORSRAMTimingInitStructureWrite.FSMC_CLKDivision = 1;
FSMC_NORSRAMTimingInitStructureWrite.FSMC_DataLatency = 0;
FSMC_NORSRAMTimingInitStructureWrite.FSMC_AccessMode = FSMC_AccessMode_A;
/* Define protocol type */
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1; //Bank1
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; //No mux
FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; //SRAM type
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; //16 bits wide
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode =
FSMC_BurstAccessMode_Disable; //No Burst
FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait =
FSMC_AsynchronousWait_Disable; // No wait
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity =
FSMC_WaitSignalPolarity_Low; //Don'tcare
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; //No wrap mode
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive =
FSMC_WaitSignalActive_BeforeWaitState; //Don't care
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; //Don't care
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; //Allow distinct Read/Write parameters
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; //Don't care
// Set read timing structure
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct =
&FSMC_NORSRAMTimingInitStructureRead;
// Set write timing structure
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct =
&FSMC_NORSRAMTimingInitStructureWrite;
// Initialize FSMC for read and write
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);
// Enable FSMC
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE);
while (1)
{
}
}
Пт июн 28, 2013 10:47:16
osievskiy писал(а):
- Код:
skip
Добрый день.
Почему вылазит при компиляции ошибки?
.\Exti\Exti.axf: Error: L6218E: Undefined symbol FSMC_NORSRAMCmd (referred from main.o).
.\Exti\Exti.axf: Error: L6218E: Undefined symbol FSMC_NORSRAMInit (referred from main.o).
Пт июн 28, 2013 11:14:14
Пт июн 28, 2013 19:29:37