涓�銆佸～绌洪
1
锛庡綋
STM32
鐨?/p>
I/O
绔彛閰嶇疆涓鸿緭鍏ユ椂锛?/p>
杈撳嚭缂撳啿鍣?/p>
琚姝紝
鏂藉瘑鐗硅Е鍙戣緭
鍏?/p>
琚縺娲汇�傛牴鎹緭鍏ラ厤缃?/p>
(
涓婃媺锛屼笅鎷夋垨娴姩
)
鐨勪笉鍚岋紝璇ュ紩鑴氱殑
寮变笂鎷夊拰涓嬫媺
鐢甸樆
琚繛鎺ャ�傚嚭鐜板湪
I/O
鑴氫笂鐨勬暟鎹湪姣忎釜
APB2
鏃堕挓琚噰鏍峰埌杈撳叆鏁版嵁瀵勫瓨鍣紝
瀵?/p>
杈撳叆鏁版嵁瀵勫瓨鍣?/p>
鐨勮璁块棶鍙緱鍒?/p>
I/O
鐘舵�併�?/p>
2
锛?/p>
STM32
鐨勬墍鏈夌鍙ｉ兘鏈夊閮ㄤ腑鏂兘鍔涖�傚綋浣跨敤
澶栭儴涓柇绾?/p>
鏃讹紝鐩稿簲鐨?/p>
寮曡剼蹇呴』閰嶇疆鎴?/p>
杈撳叆妯″紡
銆?/p>
3
锛?/p>
STM32
鍏?/p>
鏈?/p>
鍗?/p>
鐙?/p>
鐨?/p>
浣?/p>
璁?/p>
缃?/p>
鎴?/p>
浣?/p>
娓?/p>
闄?/p>
鑳?/p>
鍔?/p>
銆?/p>
杩?/p>
鏄?/p>
閫?/p>
杩?/p>
GPIOx_BSRR
鍜?/p>
GPIOx_BRR
瀵勫瓨鍣ㄦ潵瀹炵幇鐨勩�?/p>
4
锛?/p>
ST
鍏?/p>
鍙?/p>
杩?/p>
鎻?/p>
渚?/p>
浜?/p>
瀹?/p>
鍠?/p>
鐨?/p>
閫?/p>
鐢?/p>
IO
鎺?/p>
鍙?/p>
搴?/p>
鍑?/p>
鏁?/p>
锛?/p>
鍏?/p>
浣?/p>
浜?/p>
stm32f10x_gpio.c
锛屽搴旂殑澶存枃浠朵负
stm32f10x_gpio.h
銆?/p>
5
锛庝负浜嗕紭鍖栦笉鍚屽紩鑴氬皝瑁呯殑澶栬鏁扮洰锛屽彲浠ユ妸涓�浜?/p>
澶嶇敤鍔熻兘
閲嶆柊鏄犲皠鍒板叾浠?/p>
寮曡剼涓娿�傝繖鏃讹紝澶嶇敤鍔熻兘涓嶅啀鏄犲皠鍒?/p>
瀹冧滑鍘熷鍒嗛厤鐨勫紩鑴?/p>
涓娿�傚湪绋嬪簭涓婏紝鏄?/p>
閫氳繃璁剧疆
澶嶇敤閲嶆槧灏勫拰璋冭瘯
I/O
閰嶇疆瀵勫瓨鍣?/p>
(AFIO_MAPR)
鏉ュ疄鐜板紩鑴氱殑閲?/p>
鏂版槧灏勩�?/p>
浜屻�侀�夋嫨棰?/p>
1
锛庡湪
APB2
涓婄殑
I/O
鑴氱殑缈昏浆閫熷害涓猴紙
A
锛?/p>
銆?/p>
A
锛?/p>
18MHz
B
锛?/p>
50MHz
C
锛?/p>
36MHz
D
锛?/p>
72MHz
4
锛庡綋杈撳嚭妯″紡浣?/p>
MODE[1:0]=
鈥?/p>
10
鈥濇椂锛屾渶澶ц緭鍑洪�熷害涓猴紙
B
锛?/p>
銆?/p>
A
锛?/p>
10MHz
B
锛?/p>
2MHz
C
锛?/p>
50MHz
D
锛?/p>
72MHz
涓夈�佺畝绛旈
1
锛庣畝杩颁笉鍚屽鐢ㄥ姛鑳界殑閲嶆槧灏勩�?/p>
绛旓細涓轰簡浼樺寲涓嶅悓寮曡剼灏佽鐨勫璁炬暟鐩紝鍙互鎶婁竴浜涘鐢ㄥ姛鑳介噸鏂版槧灏勫埌鍏朵粬寮曡剼涓娿�?/p>
杩欐椂锛?/p>
澶嶇敤鍔熻兘涓嶅啀鏄犲皠鍒板畠浠師濮嬪垎閰嶇殑寮曡剼涓娿�?/p>
鍦ㄧ▼搴忎笂锛?/p>
鏄�氳繃璁剧疆澶嶇敤閲嶆槧灏勫拰璋?/p>
璇?/p>
I/O
閰嶇疆瀵勫瓨鍣?/p>
(AFIO_MAPR)
鏉ュ疄鐜板紩鑴氱殑閲嶆柊鏄犲皠銆傚悇涓鐢ㄥ姛鑳界殑閲嶆槧灏勫彲浠ュ弬闃?/p>
姝ｆ枃鐨勪粙缁嶏紝鐢变簬鍐呭姣旇緝澶氾紝姝ｆ枃浠嬬粛闈炲父璇︾粏锛岃繖閲岀渷鐣ャ�?/p>
2
锛庣畝杩?/p>
STM32
鐨?/p>
GPIO
鐨勪竴浜涗富瑕佺壒鐐癸紙鑷冲皯
5
涓級
銆?/p>
绛旓細涓昏鐗圭偣濡備笅锛?/p>
飦?/p>
閫氱敤
I/O
锛屽彲浠ヤ綔涓鸿緭鍑恒�佽緭鍏ョ瓑鍔熻兘銆?/p>
飦?/p>
鍗曠嫭鐨勪綅璁剧疆鎴栦綅娓呴櫎銆?/p>
飦?/p>
澶栭儴涓柇
/
鍞ら啋绾裤�?/p>
飦?/p>
澶嶇敤鍔熻兘
(AF)
鍜岄噸鏄犲皠銆?/p>
飦?/p>
GPIO
閿佸畾鏈哄埗銆?/p>
鍥涖�佺紪绋嬮
缂栧啓涓�涓垵濮嬪寲瀹氭椂鍣ㄧ殑绋嬪簭銆?/p>
绛旓細
鐢变簬杩樻病鏈夎鍒板畾鏃跺櫒鐩稿叧鐨勭煡璇嗭紝
鎵�浠ヨ繖閲屾棬鍦ㄨ璇昏�呯粰鍑哄畾鏃跺櫒瀵?/p>
GPIO
绔彛
鐨勮缃姹傦紝绋嬪簭绀轰緥濡備笅锛?/p>
GPIO_InitTypeDef GPIO_InitStructure;
/* GPIOC Configuration: Pin6, 7, 8 and 9 in Output */