stm8l中怎么将gpio引脚映射到usart
STM8\u5f53\u4e2d\u7684GPIO\u5404\u6a21\u5f0f\u5982\u4f55\u7528\uff1fTM8\u7684\u901a\u7528\u8f93\u5165/\u8f93\u51fa\u53e3\u7528\u4e8e\u82af\u7247\u548c\u5916\u90e8\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u4e00\u4e2aIO\u7aef\u53e3\u53ef\u4ee5\u5305\u62ec\u591a\u8fbe8\u4e2a\u5f15\u811a\uff0c\u6bcf\u4e2a\u5f15\u811a\u53ef\u4ee5\u88ab\u72ec\u7acb\u7f16\u7a0b\u4f5c\u4e3a\u6570\u5b57\u8f93\u5165\u6216\u8005\u6570\u5b57\u8f93\u51fa\u53e3\u3002\u53e6\u5916\u90e8\u5206\u53e3\u8fd8\u53ef\u80fd\u4f1a\u6709\u5982\u6a21\u62df\u8f93\u5165\uff0c\u5916\u90e8\u4e2d\u65ad\uff0c\u7247\u4e0a\u5916\u8bbe\u7684\u8f93\u5165/\u8f93\u51fa\u7b49\u590d\u7528\u529f\u80fd\u3002\u4f46\u662f\u5728\u540c\u4e00\u65f6\u523b\u4ec5\u6709\u4e00\u4e2a\u590d\u7528\u529f\u80fd\u53ef\u4ee5\u6620\u5c04\u5230\u5f15\u811a\u4e0a\u3002\u590d\u7528\u529f\u80fd\u7684\u6620\u5c04\u662f\u901a\u8fc7\u9009\u9879\u5b57\u8282\u63a7\u5236\u7684\u3002\u8bf7\u53c2\u8003\u6570\u636e\u624b\u518c\u5173\u4e8e\u9009\u9879\u5b57\u8282\u7684\u63cf\u8ff0\u3002\u6bcf\u4e2a\u7aef\u53e3\u90fd\u5206\u914d\u6709\u4e00\u4e2a\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668\uff0c\u4e00\u4e2a\u8f93\u5165\u5f15\u811a\u5bc4\u5b58\u5668\uff0c\u4e00\u4e2a\u6570\u636e\u65b9\u5411\u5bc4\u5b58\u5668\uff0c\u4e00\u4e2a\u9009\u62e9\u5bc4\u5b58\u5668\uff0c\u548c\u4e00\u4e2a\u914d\u7f6e\u5bc4\u5b58\u5668\u3002\u4e00\u4e2aI/O\u53e3\u5de5\u4f5c\u5728\u8f93\u5165\u8fd8\u662f\u8f93\u51fa\u662f\u53d6\u51b3\u4e8e\u8be5\u53e3\u7684\u6570\u636e\u65b9\u5411\u5bc4\u5b58\u5668\u7684\u72b6\u6001\u3002
GPIO\u4e3b\u8981\u529f\u80fd
\u53ef\u9009\u62e9\u7684\u8f93\u5165\u6a21\u5f0f\uff1a\u6d6e\u52a8\u8f93\u5165\u548c\u5e26\u4e0a\u62c9\u8f93\u5165
\u53ef\u9009\u62e9\u7684\u8f93\u51fa\u6a21\u5f0f\uff1a\u63a8\u633d\u5f0f\u8f93\u51fa\u548c\u5f00\u6f0f\u8f93\u51fa
\u6570\u636e\u8f93\u5165\u548c\u8f93\u51fa\u91c7\u7528\u72ec\u7acb\u7684\u5bc4\u5b58\u5668
\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u5355\u72ec\u4f7f\u80fd\u548c\u5173\u95ed
\u8f93\u51fa\u6446\u7387\u63a7\u5236\u7528\u4ee5\u51cf\u5c11EMC\u566a\u58f0
\u7247\u4e0a\u5916\u8bbe\u7684I/O\u529f\u80fd\u590d\u7528
\u5f53\u4f5c\u4e3a\u6a21\u62df\u8f93\u5165\u65f6\u53ef\u4ee5\u5173\u95ed\u8f93\u5165\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u6765\u964d\u4f4e\u529f\u8017
\u5728\u6570\u636e\u8f93\u51fa\u9501\u5b58\u65f6\u652f\u6301\u8bfb-\u4fee\u6539-\u5199
\u8f93\u5165\u517c\u5bb95V\u7535\u538b
I/O\u53e3\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u4e3a1.6 V\u5230VDDIOmax
I/O\u7684\u914d\u7f6e\u548c\u4f7f\u7528
\u6bcf\u4e00\u4e2a\u7aef\u53e3\u90fd\u6709\u4e00\u4e2a\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668(ODR)\uff0c\u4e00\u4e2a\u5f15\u811a\u8f93\u5165\u5bc4\u5b58\u5668(IDR)\u548c\u4e00\u4e2a\u6570\u636e\u65b9\u5411\u5bc4\u5b58\u5668(DDR)\u603b\u662f\u540c\u76f8\u5173\u7684\u3002\u63a7\u5236\u5bc4\u5b58\u56681(CR1)\u548c\u63a7\u5236\u5bc4\u5b58\u56682(CR2)\u7528\u4e8e\u5bf9\u8f93\u5165/\u8f93\u51fa\u8fdb\u884c\u914d\u7f6e\u3002\u4efb\u4f55\u4e00\u4e2aI/O\u5f15\u811a\u53ef\u4ee5\u901a\u8fc7\u5bf9DDR,ODR,CR1\u548cCR2\u5bc4\u5b58\u5668\u7684\u76f8\u5e94\u4f4d\u8fdb\u884c\u7f16\u7a0b\u6765\u914d\u7f6e\u3002\u5bc4\u5b58\u5668\u4e2d\u7684\u4f4dn\u5bf9\u5e94\u4e8e\u53e3\u7684\u5f15\u811an\u3002\u5404\u79cd\u4e0d\u540c\u914d\u7f6e\u603b\u7ed3\u5982\u886818\u3002
(\u886818\uff1aIO\u53e3\u914d\u7f6e\u8868)
\u6ce8\u610f\uff1a\u8fde\u63a5VDD\u7684\u4e8c\u6781\u7ba1\u5728\u5b9e\u9645\u5f00\u6f0f\u6781\u72b6\u6001\u5f15\u811a\u662f\u65e0\u6548\u7684\uff0c\u5728\u5f15\u811a\u548cVOL\u4e4b\u95f4\u7684\u5c40\u90e8\u4fdd\u62a4\u8bbe\u5907\u91cd\u8981\u6027\u662f\u6709\u6548\u7684\u3002\u6ca1\u6709\u4f7f\u7528\u7684I/O\u5f15\u811a\u5fc5\u987b\u8fde\u63a5\u5230\u4e00\u4e2a\u56fa\u5b9a\u7684\u7535\u5e73\u503c\u3002\u6216\u8005\u662f\u4e0a\u62c9\u6216\u8005\u662f\u4e0b\u62c9\u3002
\u8f93\u5165\u6a21\u5f0f
\u5c06DDRx\u4f4d\u6e05\u96f6\u5c31\u9009\u62e9\u4e86\u8f93\u5165\u6a21\u5f0f\u3002\u5728\u8be5\u6a21\u5f0f\u4e0b\u8bfbIDR\u5bc4\u5b58\u5668\u7684\u4f4d\u5c06\u8fd4\u56de\u5bf9\u5e94I/O\u5f15\u811a\u4e0a\u7684\u7535\u5e73\u503c\u3002\u5982\u886818\u6240\u793a\uff0c\u7406\u8bba\u4e0aSTM8\u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u914d\u7f6e\u5f97\u5230\u56db\u79cd\u4e0d\u540c\u7684\u8f93\u5165\u6a21\u5f0f\uff1a\u60ac\u6d6e\u4e0d\u5e26\u4e2d\u65ad\u8f93\u5165\uff0c\u60ac\u6d6e\u5e26\u4e2d\u65ad\u8f93\u5165\uff0c\u4e0a\u62c9\u4e0d\u5e26\u4e2d\u65ad\u8f93\u5165\u548c\u4e0a\u62c9\u5e26\u4e2d\u65ad\u8f93\u5165\u3002\u4f46\u662f\u5728\u5b9e\u9645\u60c5\u51b5\u4e0b\u4e0d\u662f\u6240\u6709\u7684\u53e3\u90fd\u5177\u6709\u5916\u90e8\u4e2d\u65ad\u80fd\u529b\u548c\u4e0a\u62c9\uff0c\u7528\u6237\u5e94\u53c2\u8003\u6570\u636e\u624b\u518c\u4e2d\u5173\u4e8e\u6bcf\u4e2a\u5f15\u811a\u7684\u5b9e\u9645\u786c\u4ef6\u6027\u80fd\u63cf\u8ff0\u6765\u4e86\u89e3\u66f4\u591a\u7ec6\u8282\u3002
\u8f93\u51fa\u6a21\u5f0f
\u5c06DDRx\u4f4d\u7f6e1\u5c31\u9009\u62e9\u4e86\u8f93\u51fa\u6a21\u5f0f\u3002\u5728\u8be5\u6a21\u5f0f\u4e0b\u5411ODR\u5bc4\u5b58\u5668\u7684\u4f4d\u5199\u5165\u6570\u636e\u5c06\u4f1a\u901a\u8fc7\u9501\u5b58\u5668\u8f93\u51fa\u5bf9\u5e94\u6570\u5b57\u503c\u5230I/O\u53e3\u3002\u8bfbIDR\u7684\u4f4d\u5c06\u4f1a\u8fd4\u56de\u76f8\u5e94\u7684I/O\u5f15\u811a\u7535\u5e73\u503c\u3002\u901a\u8fc7\u8f6f\u4ef6\u914d\u7f6eCR1\uff0cCR2\u5bc4\u5b58\u5668\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u8f93\u51fa\u6a21\u5f0f\uff1a\u4e0a\u62c9\u8f93\u51fa\uff0c\u5f00\u6f0f\u8f93\u51fa\u3002
\u4f4e\u529f\u8017\u6a21\u5f0f
\u886819\u4f4e\u529f\u8017\u6a21\u5f0f\u5bf9STM8S\u7684GPIO\u53e3\u7684\u5f71\u54cd
\u6a21\u5f0f \u63cf\u8ff0
\u7b49\u5f85(Wait) \u5bf9I/O\u53e3\u65e0\u5f71\u54cd\u3002\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u4f7fMCU\u9000\u51fa\u7b49\u5f85(Wait)\u6a21\u5f0f
\u505c\u673a(Halt) \u5bf9I/O\u53e3\u65e0\u5f71\u54cd\u3002\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u4f7fMCU\u4ece\u505c\u673a(Halt)\u6a21\u5f0f\u5524\u9192
\u6ce8\u610f\uff1a\u5982\u679cPA1/PA2\u88ab\u7528\u6765\u8fde\u63a5\u5916\u90e8\u8c10\u632f\u5668\uff0c\u4e3a\u4e86\u786e\u4fdd\u5728HALT\u6a21\u5f0f\u4e0b\u6709\u6700\u4f4e\u529f\u8017\u5fc5\u987b\u914d\u7f6ePA1\u548cPA2\u4e3a\u5e26\u4e0a\u62c9\u8f93\u5165\u3002
\u7a0b\u5e8f\u4eceMain\u8fdb\u5165
1\u3001\u7ba1\u811a\u521d\u59cb\u5316\uff1b
2\u3001\u65f6\u949f\u521d\u59cb\u5316\uff1b
3\u3001\u914d\u7f6e\u82af\u7247\u7684UART\u6a21\u5757\uff1b
4\u3001\u6b7b\u5faa\u73af\u4e00\u76f4\u7b49\u5f85\uff1b
5\u3001\u82e5\u6709\u4e32\u53e3\u6570\u636e\u8fdb\u6765\uff0c\u4f1a\u89e6\u53d1\u4e2d\u65ad\u51fd\u6570\uff0c\u6267\u884c\u4e2d\u65ad\uff0c\u628a\u63a5\u6536\u5230\u7684\u6570\u636e\u53d6\u51fa\u6765\uff0c\u518d\u901a\u8fc7\u53d1\u9001\u51fd\u6570\u53d1\u9001\u51fa\u53bb\uff1b
绛旓細鏈変竴涓猺emap鍑芥暟鍙互鍦ㄥ簱鍑芥暟閲岃皟鐢 鍏蜂綋瀵勫瓨鍣ㄥ簲璇ユ槸syscfg瀵勫瓨鍣ㄩ噷杩涜鐩稿叧鐨勮缃
绛旓細涓嶉渶瑕佷换浣曢厤缃殑,鍙渶瑕佽缃甈WM鐨勭浉鍏冲瘎瀛,閰嶇疆鎴愯緭涓婸WM,浠栬嚜鍔ㄥ氨杈撳嚭PWM浜 include "STM8S103K.h" //澶存枃浠讹紝瀹氫箟鍚勫瘎瀛樺櫒鐨勫湴鍧 void main(void){ /*瀹氭椂鍣ㄥ熀纭璁剧疆*/ CLK_CKDIVR= 0x00; //鍐呴儴16M鏃堕挓涓嶅垎棰 TIM2_PSCR = 0x00; //瀹氭椂鍣2棰勫垎棰戠郴鏁颁负1 TIM2_CR1 = 0x01; ...
绛旓細void main(void){ unsigned char state=0;//鐘舵 Gpio_Init();//绔彛鍒濆鍖 Led_Init();//LED鍒濆鍖 CLK_LSEConfig(CLK_LSE_ON); //鎵撳紑 LSE 鏃堕挓 while(CLK_GetFlagStatus(CLK_FLAG_LSERDY)== RESET);//绛夊緟 LSE 绋冲畾 CLK_PeripheralClockConfig(CLK_Peripheral_BEEP, ENABLE);//浣胯兘...
绛旓細void ADC_Periph_Init(void){ u8 idx;CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);//浣胯兘ADC鏃堕挓 CLK_PeripheralClockConfig(CLK_Peripheral_DMA1, ENABLE);//浣胯兘DMA1鏃堕挓 GPIO_Init(GPIOB,GPIO_Pin_5,GPIO_Mode_In_FL_No_IT);//娴┖杈撳叆 ADC_Cmd(ADC1,ENABLE);//鎵撳紑ADC for ...
绛旓細缁间笂鎵杩帮紝STM8L鐨凜IR鏂规涓紝涓昏鑰冭檻鐨勬槸缂栫爜鍙戝皠绔侻CU浜х敓38KHz杞芥尝鏈甯歌鐨勬柟娉曟槸浣跨敤瀹氭椂鍣ㄣ傚寘鎷瀹38KHz鐨勪腑鏂紝骞跺湪涓柇涓幓鍒囨崲GPIO寮曡剼銆傛垨鑰呰瀹氫竴涓崰绌烘瘮涓50%鐨凱WM涓柇銆傚叾閬撶悊鏄被浼肩殑銆傚悓鏃讹紝鐢辫蒋浠舵垨鑰呭彟澶栦竴绉嶅畾鏃跺櫒鏉ヤ骇鐢熷畾鏃朵腑鏂紝浜х敓浜岃繘鍒剁爜娴併備袱鑰呭湪澶栭儴浣跨敤CIR浜屾瀬绠＄浉杩烇紝...
绛旓細stm8l152鐨刬2c鍒濆鍖栦负浠涔堟湁闂鍟? 15 GPIO_Init(GPIOC,GPIO_Pin_0,GPIO_Mode_Out_OD_HiZ_Slow);GPIO_Init(GPIOC,GPIO_Pin_1,GPIO_Mode_Out_OD_HiZ_Slow);CLK_PeripheralClockConfig(CLK_Peripheral_I2C1,ENABLE);I2C_Cmd(... GPIO_Init(GPIOC,GPIO_Pin_0,GPIO_Mode_Out_OD_HiZ_Slow); GPIO_...
绛旓細璇锋暀stm8l 浣庡姛鑰楄繍琛屾ā寮忥紝鎴戠殑浠ｇ爜濡備笅锛歷oid main(void){ AllGpioRPPLowOut(); //閰嶇疆IO涓烘帹鍏嶈緭鍑轰綆鐢靛钩 HSItoLSI();PWR->CSR2 = 0x2;LCD_GLASS_Init();// CLK->REGCSR = 0x02; // Swith off the Regulator // while(((CLK->REGCSR)&0x01)==0x01);while(1) ...
绛旓細STM8S105* TIM2 TIM3杈撳嚭PWM PD0 PD3 TIM3杈撳嚭PWM锛***/#include "STM8S105K.h"include "STM8S105_CLOCK.h"typedef unsigned char u8;typedef unsigned int u16;u16 value;/ 鍑芥暟鍚 : void SystemInit(void)鍔熻兘鎻忚堪: 绯荤粺鍒濆鍖 鍑芥暟璇存槑: 绯荤粺鍏ㄥ眬鍒濆鍖 / void SystemInit(void){...
绛旓細绋嬪簭浠嶮ain杩涘叆 1銆绠¤剼鍒濆鍖栵紱2銆佹椂閽熷垵濮嬪寲锛3銆侀厤缃姱鐗囩殑UART妯″潡锛4銆佹寰幆涓鐩寸瓑寰咃紱5銆佽嫢鏈変覆鍙ｆ暟鎹繘鏉ワ紝浼氳Е鍙戜腑鏂嚱鏁帮紝鎵ц涓柇锛屾妸鎺ユ敹鍒扮殑鏁版嵁鍙栧嚭鏉ワ紝鍐嶉氳繃鍙戦佸嚱鏁板彂閫佸嚭鍘伙紱
绛旓細//鐢ㄥ浐浠跺簱鏂逛究浜#include "stm8s_lib.h"#define CCR1_Val ((u16)2047)define CCR2_Val ((u16)1535)define CCR3_Val ((u16)1023)define CCR4_Val ((u16)511)void main(void){ /* TIM1 Peripheral Configuration */ TIM1_DeInit(); /* Time Base configuration */ / TIM1_...
