为什么IAR能正常编译,单不能在OLED上显示

能正常编译并不表示宴歼代码能正常驱动OLED屏幕橘茄。要是驱动代码是你自己编写的，圆祥察说明代码有bug。要是你用的是别人验证过的代码，那就有可能是硬件问题，或你的代码和oled屏幕并不配套。就像电脑上你用个网卡驱动去显卡，你觉得行么？

你是用凳穗LCD12864吧，

去网上或者自己写个显示时滚升钟的程序，只是你需要注枣备卜意使能端修改，

可以去技术论坛查找程序也可，或者直接去罗姆液晶厂家寻寻看还有时钟显示程序！！！

在mian函数里面雹漏斗写程序，具体主函数如下：

#include "stm32f10x_lib.h"

int m=0

int n=0

#include "lcd.h"

char b[10]={'0','1','2','3','4','5','6','7','8','9'}

typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus

vu32 ret

volatile TestStatus TestRx

void RCC_Configuration(void)

void GPIO_Configuration(void)

void NVIC_Configuration(void)

void CAN_Config(void)

TestStatus CAN_Polling(void)

TestStatus CAN_Interrupt(void)

void SysTick_Config(void)

void LcdShow_Init(void)

void Led_Config(void)

void Button_Config(void)

void Led_RW_ON(void)

void Led_RW_OFF(void)

void delay(void)

void delay()

{

int i,j

j=0

for (i=0i<0xfffffi++) j++

}

EXTI_InitTypeDef EXTI_InitStructure

int main(void)

{

char a[26]={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',

'Q'搜亏,'R','S','T','源磨U','V','W','X','Y','Z'}

#ifdef DEBUG

debug()

#endif

RCC_Configuration()

GPIO_Configuration()

NVIC_Configuration()

SysTick_Config()

LcdShow_Init()

Led_Config()

Button_Config()

GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource3)

EXTI_InitStructure.EXTI_Line = EXTI_Line3

EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt

EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling

EXTI_InitStructure.EXTI_LineCmd = ENABLE

EXTI_Init(&EXTI_InitStructure)

GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource4)

EXTI_InitStructure.EXTI_Line = EXTI_Line4

EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt

EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling

EXTI_InitStructure.EXTI_LineCmd = ENABLE

EXTI_Init(&EXTI_InitStructure)

while(1)

{

write_char(a+m,0,0)

n=a[m]

delay()

delay()

if(m==26)

{m=0}

}

}

void RCC_Configuration(void)

{

ErrorStatus HSEStartUpStatus

RCC_HSEConfig(RCC_HSE_ON)

HSEStartUpStatus = RCC_WaitForHSEStartUp()

if(HSEStartUpStatus == SUCCESS)

{

RCC_HCLKConfig(RCC_SYSCLK_Div1)

RCC_PCLK2Config(RCC_HCLK_Div1)

RCC_PCLK1Config(RCC_HCLK_Div2)

RCC_ADCCLKConfig(RCC_PCLK2_Div6)

FLASH_SetLatency(FLASH_Latency_2)

FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable)

RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9)

RCC_PLLCmd(ENABLE)

while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)

{

}

RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK)

while(RCC_GetSYSCLKSource() != 0x08)

{

}

}

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |RCC_APB2Periph_GPIOC

| RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO, ENABLE)

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE)

RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE)

}

void GPIO_Configuration(void)

{

GPIO_InitTypeDef GPIO_InitStructure

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 |GPIO_Pin_6 | GPIO_Pin_7

| GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz

GPIO_Init(GPIOC, &GPIO_InitStructure)

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_11 | GPIO_Pin_12 |

GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING

GPIO_Init(GPIOD, &GPIO_InitStructure)

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU

GPIO_Init(GPIOD, &GPIO_InitStructure)

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP

GPIO_Init(GPIOD, &GPIO_InitStructure)

GPIO_PinRemapConfig(GPIO_Remap2_CAN,ENABLE)

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz

GPIO_Init(GPIOE, &GPIO_InitStructure)

}

void NVIC_Configuration(void)

{

NVIC_InitTypeDef NVIC_InitStructure

#ifdef VECT_TAB_RAM

NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0)

#else

NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0)

#endif

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2)

NVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQChannel

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1

NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE

NVIC_Init(&NVIC_InitStructure)

NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQChannel

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2

NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE

NVIC_Init(&NVIC_InitStructure)

NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQChannel

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2

NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE

NVIC_Init(&NVIC_InitStructure)

NVIC_SystemHandlerPriorityConfig(SystemHandler_SysTick, 2, 0)

}

void LcdShow_Init(void)

{

TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure

TIM_OCInitTypeDef TIM_OCInitStructure

TIM_TimeBaseStructure.TIM_Period = 8000

TIM_TimeBaseStructure.TIM_Prescaler = 17

TIM_TimeBaseStructure.TIM_ClockDivision = 0x0

TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up

TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure)

TIM_ARRPreloadConfig(TIM2,DISABLE)

TIM_UpdateRequestConfig(TIM2,TIM_UpdateSource_Regular)

TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing

TIM_OCInitStructure.TIM_Channel = TIM_Channel_1

TIM_OCInitStructure.TIM_Pulse = 4000

TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High

TIM_OCInit(TIM2, &TIM_OCInitStructure)

TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Disable)

TIM_ITConfig(TIM2, TIM_IT_CC1 | TIM_IT_Update, ENABLE)

TIM_Cmd(TIM2, ENABLE)

}

void SysTick_Config(void)

{

SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK)

SysTick_SetReload(720000)

SysTick_ITConfig(ENABLE)

SysTick_CounterCmd(SysTick_Counter_Enable)

}

void Button_Config(void)

{

GPIO_InitTypeDef GPIO_InitStructure

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE)

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz

GPIO_Init(GPIOD, &GPIO_InitStructure)

}

void Led_Config(void)

{

GPIO_InitTypeDef GPIO_InitStructure

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE)

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_4 | GPIO_Pin_5

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz

GPIO_Init(GPIOC, &GPIO_InitStructure)

}

void Led_RW_ON(void)

{

m++

}

void Led_RW_OFF(void)

{

int i,j

i=n/10

j=n%10

write_char(b+i,0,2)

write_char(b+j,0,3)

}

#ifdef DEBUG

void assert_failed(u8* file, u32 line)

{

while (1)

{

}

}

#endif

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