{"id":2,"date":"2024-08-02T00:34:46","date_gmt":"2024-08-01T16:34:46","guid":{"rendered":"http:\/\/8.153.64.192\/?page_id=2"},"modified":"2025-12-05T17:22:01","modified_gmt":"2025-12-05T09:22:01","slug":"sample-page","status":"publish","type":"page","link":"http:\/\/www.agm-support.com.cn\/index.php\/sample-page\/","title":{"rendered":"MCU\u9a71\u52a8\u4f7f\u7528"},"content":{"rendered":"\n

<\/span>\u4e00\u3001\u65f6\u949f\u7684\u914d\u7f6e\uff1a<\/strong><\/span><\/h2>\n\n\n\n

AG32 \u901a\u5e38\u4f7f\u7528 HSE \u5916\u90e8\u6676\u4f53\uff08\u8303\u56f4\uff1a4M~16M\uff09\u3002
AG32 \u4e2d\u4e0d\u9700\u8981\u624b\u52a8\u8bbe\u7f6e PLL \u65f6\u949f\uff08\u65f6\u949f\u6811\u7531\u7cfb\u7edf\u81ea\u52a8\u914d\u7f6e\uff0c\u65e0\u987b\u7528\u6237\u5173\u6ce8\uff09\u3002\u7528\u6237\u53ea\u9700\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u7ed9\u51fa\u5916\u90e8\u6676\u632f\u9891\u7387\u548c\u7cfb\u7edf\u4e3b\u9891\u5373\u53ef\u3002
\u914d\u7f6e\u65b9\u5f0f\uff1a
\u5728 ve \u6587\u4ef6\u4e2d\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8fd9\u91cc\u914d\u7f6e\u7684\u503c\uff0c\u4f1a\u5728mcu\u7684\u7cfb\u7edf\u521d\u59cb\u5316\u65f6\uff0c\u4ee3\u7801\u4e2d\u81ea\u52a8\u83b7\u53d6\u5e76\u4f7f\u80fd\u3002
\u7cfb\u7edf\u4e3b\u9891\u7684\u53ef\u914d\u7f6e\u8303\u56f4\uff1a\u53c2\u8003 datasheet \u4e2d\u5404\u578b\u53f7\u7684\u6700\u9ad8\u4e3b\u9891\uff08\u901a\u5e38\u662f 248M\uff09
\u5916\u90e8\u6676\u632f\u7684\u53ef\u914d\u7f6e\u8303\u56f4\uff1a4 ~ 16
\u8fd9\u91cc\u662f\u6700\u7b80\u5355\u7684\u63cf\u8ff0\uff0c\u53ea\u662f\u4f7f\u7528MCU\u65f6\u53ef\u4ee5\u7b80\u5355\u5982\u4e0a\u914d\u7f6e\u3002<\/p>\n\n\n\n

\u5982\u679c\u9700\u8981\u4f7f\u7528\u5916\u90e8\u6709\u6e90\u6676\u632f\uff0c\u6216\u8005\u4f7f\u7528\u5185\u90e8\u632f\u8361\u5668\uff08\u5185\u90e8\u632f\u8361\u5668\u6709 5%\u4ee5\u5185\u8bef\u5dee\uff09\uff0c\u6216\u8005 cpld \u4e2d\u9700\u8981\u989d\u5916\u4e3b\u9891\u8f93\u5165\uff0c\u8bf7\u53c2\u8003AG32\u65f6\u949f\u7684\u914d\u7f6e\u4e0e\u9650\u5236<\/a>\u3002<\/p>\n\n\n\n

.<\/p>\n\n\n\n

<\/span>\u4e8c\u3001\u7ba1\u811a\u7684\u914d\u7f6e\uff1a<\/strong><\/span><\/h2>\n\n\n\n

<\/span>1. \u4fe1\u53f7\u7ebf\u548c\u5173\u952e\u7684\u5206\u79bb\uff1a<\/span><\/h3>\n\n\n\n

\u8fd9\u91cc\u5148\u63cf\u8ff0\u4e24\u4e2a\u6982\u5ff5\uff1a\u4fe1\u53f7\u7ebf\u548c\u7ba1\u811a<\/strong>\u3002<\/p>\n\n\n\n

\u4fe1\u53f7\u7ebf\uff0c\u662f\u6307MCU\u91cc\u80fd\u64cd\u4f5c\u7684\u4fe1\u53f7\u7ebf\uff0c\u6bd4\u5982gpio1_1\/uart0_tx\/spi_cs\u7b49\u7b49\uff0c\u5728\u8fde\u63a5\u5728mcu\u5185\u6838\u4e0a\u7684\u4fe1\u53f7\u63a5\u70b9\uff1b<\/p>\n\n\n\n

\u7ba1\u811a\uff0c\u5c31\u662f\u82af\u7247\u88f8\u9732\u5728\u5916\u8fb9\u7684\u5f15\u811a\uff0832PIN\u7684\u670932\u4e2a\u7ba1\u811a\uff0c64PIN\u7684\u670964\u4e2a\u7ba1\u811a...\uff09<\/p>\n\n\n\n

\u5728\u4f20\u7edf\u82af\u7247\u91cc\uff08\u5982ST\u3001GD\u7b49\uff09\uff0c\u4e00\u9897\u82af\u7247\u51fa\u6765\u540e\uff0c\u4fe1\u53f7\u7ebf\u548c\u7ba1\u811a\u662f\u7ed1\u5b9a\u6b7b\u7684\uff08\u6700\u591a\u4e00\u4e2a\u7ba1\u811a\u53ef\u4ee5\u590d\u7528<\/strong>\u6210\u51e0\u79cd\u4fe1\u53f7\uff09\u3002<\/p>\n\n\n\n

\u4f46\u5728AG32\u91cc\uff0c\u4fe1\u53f7\u7ebf\u548c\u7ba1\u811a\u662f\u5f7b\u5e95\u5206\u79bb\u7684\u3002<\/strong><\/p>\n\n\n\n

\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u628a\u4efb\u610f\u4fe1\u53f7\u7ebf\u7ed1\u5b9a\u5230\u4efb\u610f\u5f15\u811a\u3002<\/p>\n\n\n\n

\u6253\u4e2a\u6bd4\u65b9\uff0c\u6bd4\u5982\u7ba1\u811a1\uff0c\u8fd9\u4e2a\u7ba1\u811a\u7528\u4e8e\u4ec0\u4e48\u529f\u80fd\uff0c\u5b8c\u5168\u662f\u7531\u7528\u6237\u6765\u81ea\u884c\u914d\u7f6e\u7684\u3002\u7528\u6237\u53ef\u4ee5\u628a\u5b83\u914d\u7f6e\u6210uart0_tx\uff0c\u4e5f\u53ef\u4ee5\u914d\u7f6e\u6210GPIO1_2\uff0c\u8fd8\u53ef\u4ee5\u914d\u7f6e\u6210spi_cs\uff0c\u7b49\u7b49\u3002<\/p>\n\n\n\n

\u8fd9\u79cd\u7ba1\u811a\u53ef\u914d\u7f6e\u6027\uff0c\u4e3a\u5e94\u7528\u8bbe\u8ba1\u5e26\u6765\u5de8\u5927\u7684\u4fbf\u5229\u6027\uff1a<\/p>\n\n\n\n

\u9996\u5148\uff0c\u4e3aPCB\u5e03\u7ebf\u5e26\u6765\u4e86\u5f88\u5927\u7684\u4fbf\u5229\u6027\u3002\u6309\u6700\u8fd1\u7684\u5f15\u811a\u8d70\u7ebf\uff0c\u4e0d\u7528\u7ed5\u6765\u7ed5\u53bb\u3002<\/p>\n\n\n\n

\u5176\u6b21\uff0c\u53ef\u4ee5\u63d0\u5347\u7ba1\u811a\u5229\u7528\u5ea6\uff08\u5e94\u7528\u4e2d\u6ca1\u7528\u5230\u7684\u5916\u8bbe\u4e0d\u53bb\u914d\u7f6e\uff0c\u90a3\u5b83\u5c31\u4e0d\u4f1a\u5360\u7528\u7ba1\u811a\uff09\u3002 \u6bd4\u5982\uff0c\u672c\u6765\u9700\u8981100\u811a\u7684ST\u624d\u80fd\u6ee1\u8db3\u7684\u5916\u8bbe\u9700\u6c42\uff0c\u7528AG\u82af\u7247\u53ef\u80fd32\u811a\u7684\u5c31\u591f\u4e86\u3002<\/p>\n\n\n\n

<\/span>2.\u7ba1\u811a\u7684\u914d\u7f6e\u65b9\u6cd5\uff1a<\/span><\/h3>\n\n\n\n

\u7ba1\u811a\u7684\u914d\u7f6e\uff0c\u5728ve\u6587\u4ef6\u4e2d \u4fe1\u53f7\u7ebf<->\u7ba1\u811a \u4e00\u884c\u4e00\u884c\u5bf9\u5e94\u5373\u53ef<\/strong>\u3002<\/p>\n\n\n\n

\u5982\uff1aGPIO0_0 PIN_2<\/em><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u672c\u6587\u540e\u7eed\u4f1a\u9010\u9879\u8bb2\u8ff0\u5404\u79cd\u5916\u8bbe\u600e\u4e48\u914d\u7f6e\u4fe1\u53f7\u548c\u7ba1\u811a\u3002<\/em><\/em><\/p>\n\n\n\n

\u5148\u6982\u8ff0\u4e0b\u914d\u7f6e\u5f15\u811a\u7684\u4e24\u4e2a\u6ce8\u610f\u9879\uff1a<\/p>\n\n\n\n

<\/span>1. \u4fe1\u53f7\u7ebf\u540d\u79f0\uff1a<\/span><\/h4>\n\n\n\n

\u4fe1\u53f7\u7ebf\u540d\u79f0\u662f\u5728VE\u91cc\u914d\u7f6e\u4f7f\u7528\u7684\u3002<\/p>\n\n\n\n

\u6bd4\u5982\uff1auart0\u7684tx\u4fe1\u53f7\u7ebf\u540d\u79f0\u662fUART0_UARTTXD\uff0cgpio\u7b2c0\u7ec4\u7684\u7b2c0\u4e2a\u4fe1\u53f7\u7ebf\u540d\u79f0\u662f GPIO0_0\u3002<\/p>\n\n\n\n

\u90a3\u4e48\uff0c\u5bf9\u4e8emcu\u7aef\u6765\u8bf4\uff0c\u5171\u6709\u54ea\u4e9b\u4fe1\u53f7\u7ebf\u5462\uff1f<\/p>\n\n\n\n

mcu\u7684\u4fe1\u53f7\u7ebf\u540d\u79f0\uff0c\u5168\u90e8\u5b9a\u4e49\u5728\u300aAGRV2K_\u903b\u8f91\u8bbe\u7f6e.pdf<\/strong>\u300b\u4e2d\u7684\u201cFunction_Pin \u5217\u8868\u201d\uff0c \u6216\u70b9\u51fb\u8fd9\u91cc<\/a>\u67e5\u770b\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u4e3e\u4f8b\uff1a<\/em><\/em><\/p>\n\n\n\n

    \n
  1. \u914d\u7f6eGPIO0_1\u4e3aPIN2\uff0c\u5219\u5b9a\u4e49\uff1aGPIO0_1 PIN_2<\/em><\/li>\n\n\n\n
  2. \u914d\u7f6eUART1_TX\u4e3aPIN3\uff0c\u5219\u5b9a\u4e49\uff1aUART1_UARTTXD PIN_3<\/em><\/li>\n\n\n\n
  3. \u914d\u7f6eSPI0\u7684clk\u4e3aPIN4\uff0c\u5219\u5b9a\u4e49\uff1aSPI0_SCK PIN_4<\/em><\/li>\n\n\n\n
  4. \u914d\u7f6eCAN0\u7684TX\u4e3aPIN5\uff0c\u5219\u5b9a\u4e49\uff1aCAN0_TX0 PIN_5 <\/em><\/li>\n<\/ol>\n\n\n\n

    <\/span>2. \u6ce8\u610f\u4e0d\u53ef\u914d\u7f6e\u7684\u7ba1\u811a<\/span><\/h4>\n\n\n\n

    \u4e0a\u8ff0\u63cf\u8ff0\u7684\u201c\u4efb\u610f\u4fe1\u53f7\u7ebf\u53ef\u4ee5\u7ed1\u5b9a\u5230\u4efb\u610f\u5f15\u811a\u201d\uff0c\u53ea\u662f\u4fbf\u4e8e\u7406\u89e3\u3002\u771f\u5b9e\u4f7f\u7528\u65f6\uff0c\u6709\u5c11\u91cf\u7ba1\u811a\u662f\u4e0d\u53ef\u914d\u7f6e\u7684\u3002<\/p>\n\n\n\n

    \u4e0d\u53ef\u914d\u7f6e\u5305\u62ec\uff1a\u57fa\u7840\u7c7b\uff08\u7535\u6e90\u3001\u65f6\u949f\u3001\u5730\u3001RESET\u3001BOOT0\uff09\u3001ADC\uff08DAC\/CMP\uff09\u3001USB\u3002<\/p>\n\n\n\n

    \u9664\u53bb\u8fd9\u4e9b\uff0c\u5176\u4ed6\u7684\u5916\u8bbe\u5747\u4e3a\u914d\u7f6e\u7ba1\u811a\u3002<\/p>\n\n\n\n

    \u53e6\u5916\uff0c\u5176\u4e2d\u7684ADC\u548cUSB\u7684\u7ba1\u811a\uff0c\u5982\u679c\u4e0d\u63a5ADC\u548cUSB\uff0c\u4ecd\u7136\u662f\u53ef\u4ee5\u88ab\u7528\u505a\u666e\u901aIO\u7684\u3002<\/em><\/em><\/p>\n\n\n\n

    \u5177\u4f53\u6bcf\u79cd\u5c01\u88c5\u4e0b\u7ba1\u811a\u7684\u8be6\u7ec6\u5b9a\u4e49\uff0c\u8bf7\u53c2\u8003\u6587\u6863\u300aAG32_pinout_100_64_48_32_2K.xlsx<\/strong>\u300b\u3002<\/p>\n\n\n\n

    \u6253\u5f00\u540e\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u51e1\u662f\u5e26\u6709IO\u7684\uff0c\u90fd\u662f\u53ef\u4ee5\u88ab\u914d\u7f6e\u7684\u7ba1\u811a\u3002<\/strong><\/strong><\/p>\n\n\n\n

    \u6bd4\u5982\uff1a\u4e0a\u56fe\u7684PIN_33\uff0c\u5982\u679cADC\u7684channal14\u5728\u4f7f\u7528\uff0c\u90a3\u8fd9\u4e2a\u7ba1\u811a\u53ea\u80fd\u7528\u4e8e\u8fd9\u8defADC\u3002\u5982\u679c\u8fd9\u8defadc\u6ca1\u6709\u4f7f\u80fd\uff0c\u5219PIN_33\u53ef\u4ee5\u914d\u7f6e\u4e3a\u5176\u4ed6\u4fe1\u53f7\u7ebf\uff08\u7528\u4e8e\u5176\u4ed6\u529f\u80fd\uff09\u3002<\/p>\n\n\n\n

    32\/48\/64\/100\uff0c\u5404\u79cd\u5c01\u88c5\u4e0b\u7684\u5f15\u811a\u5b9a\u4e49\u662f\u4e0d\u540c\u7684\uff0c\u6ce8\u610f\u627e\u5230\u8ddf\u5b9e\u9645\u5339\u914d\u7684\u90a3\u7ec4\u3002<\/p>\n\n\n\n

    .<\/p>\n\n\n\n

    <\/span>\u4e09\u3001GPIO\u7684\u4f7f\u7528\uff1a<\/strong><\/span><\/h2>\n\n\n\n

    \u53ef\u7528GPIO<\/strong>\uff08\u975e\u7ba1\u811a\uff09\uff1a<\/p>\n\n\n\n

    AG32\u82af\u7247\u5185\u90e8\u53ef\u7528gpio\u5171\u670980\u4e2a<\/strong>\uff0c\u5206\u4e3a10\u7ec4\uff0c\u6bcf\u7ec48\u4e2a<\/strong>\u3002<\/p>\n\n\n\n

    \u4ee3\u7801\u4e2d\u5404\u7ec4\u5bf9\u5e94\u4e3a\uff1aGPIO0\u3001GPIO1\u3001GPIO2\u3001... GPIO9<\/p>\n\n\n\n

    \u7ec4\u5185\u5404IO\u7528bit\u8868\u793a\uff1aGPIO_BIT0\u3001GPIO_BIT1\u3001GPIO_BIT2\u3001...\u3001GPIO_BIT7<\/p>\n\n\n\n

    \u4f7f\u7528\u65f6\uff0c\u7528\u3010\u7ec4ID+\u7ec4\u5185id\u3011<\/strong>\u6765\u6807\u8bc6\u552f\u4e00\u7684IO\u3002<\/p>\n\n\n\n

    \u8fd9\u91cc\u548cST\u662f\u76f8\u4eff\u7684\uff0cST\u5206\u4e3aGPIOA\/GPIOB\/GPIOC..., PIN_1\/PIN_2\/PIN_3...<\/p>\n\n\n\n

    AG32\u4e3a\uff1aGPIO0\/GPIO1\/GPIO2..., GPIO_BIT0\/GPIO_BIT1\/GPIO_BIT2...<\/p>\n\n\n\n

    \u5728VE\u4e2d\u7684\u547d\u540d\u65b9\u5f0f\u5982\uff1aGPIO0_0\uff0c\u8868\u793a\u7684\u662f\u7b2c0\u7ec4\u7684\u7b2c0\u4e2aIO\u3002<\/em><\/p>\n\n\n\n

    \u5bf9\u5916\u6620\u5c04<\/strong>\uff1a<\/p>\n\n\n\n

    \u4e0a\u8fb9\u5df2\u7ecf\u8bb2\u8ff0\u8fc7\uff0cAG32\u4e2dMCU\u4fe1\u53f7\u7ebf\u548c\u7ba1\u811a\u662f\u5206\u79bb\u7684\uff0cGPIO\u4fe1\u53f7\u7ebf\u4e5f\u4e0d\u4f8b\u5916\u3002<\/p>\n\n\n\n

    \u7a0b\u5e8f\u4e2d\u7528\u5230\u7684GPIO\u8981\u8fde\u63a5\u5230\u7ba1\u811aPIN\uff0c\u624d\u80fd\u6700\u7ec8\u4f7f\u7528\u3002<\/p>\n\n\n\n

    GPIO\u5728ve\u6587\u4ef6\u4e2d\u914d\u7f6e\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u4e0a\u56fe\u7684\u793a\u4f8b\uff0c\u5c31\u662f\u628a gpio4_1\u6620\u5c04\u5230\u7ba1\u811a92\u3002 \uff08VE\u4e2d\u7684#\u4e3a\u6ce8\u91ca\uff09<\/p>\n\n\n\n

    \u5728AG32\u4e2d\uff0c\u5fc5\u987b\u6620\u5c04\u540e\uff0c\u4ee3\u7801\u4e2d\u64cd\u4f5cgpio\u65f6\uff0c\u624d\u4f1a\u771f\u6b63\u4f7f\u80fd\u5230\u786c\u4ef6\u7ba1\u811a\u3002<\/em><\/em><\/p>\n\n\n\n

    \u8fd9\u91ccGPIOx_y\u7684\u89d2\u6807\u53d6\u503c\u8303\u56f4\uff1ax (0 ~ 9), y (0 ~ 7)<\/p>\n\n\n\n

    PIN_z\u7684\u53d6\u503c\u8303\u56f4\uff1az\u5c0f\u4e8e\u6240\u7528\u82af\u7247\u7684\u6700\u5927\u5f15\u811a\u6570<\/p>\n\n\n\n

    \u5728\u53d6\u503c\u8303\u56f4\u5185\uff0c\u6ee1\u8db3\u9650\u5236\u6761\u4ef6\u4e0b\uff0c\u4efb\u610fGPIOx_y\u53ef\u4ee5\u6620\u5c04\u5230\u4efb\u610fPIN_z\u3002<\/p>\n\n\n\n

    \uff08\u201c\u54ea\u4e9b\u7ba1\u811a\u4e0d\u80fd\u88ab\u4f7f\u7528\u201d\u7684\u9650\u5236\u6761\u4ef6\uff0c\u53c2\u8003\u6587\u6863\uff1aAGRV2K_\u903b\u8f91\u8bbe\u7f6e.pdf\uff09<\/p>\n\n\n\n

    \u8fd9\u91cc\u914d\u7f6e\u7684GPIO0_0\uff0c\u7b49\u540c\u4e8e\u4ee3\u7801\u4e2d\u7684 (GPIO0, GPIO_BIT0)\u3002<\/p>\n\n\n\n

    \u5bf9SDK\u4e0bgpio\u6837\u4f8b\u4ee3\u7801\u7684\u89e3\u91ca\uff1a<\/strong><\/strong><\/p>\n\n\n\n

    \u5728examples\/example\/example_gpio.c\u91cc\uff0c\u53ea\u6709\u6700\u7b80\u5355\u7684\u4e00\u4e2aIO\u7ffb\u8f6c\u793a\u4f8b\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    GPIO_Toggle\u662f\u53cd\u8f6c\u51fd\u6570\u3002\u4ece\u8fd9\u4e2a\u51fd\u6570\u70b9\u8fdb\u53bb\uff08Ctrl +\u9f20\u6807\u5de6\u952e\uff09\uff0c\u53ef\u4ee5\u770b\u5230gpio\u51fd\u6570\u96c6\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    EXT_GPIO\u548cEXT_GPIO_BITS\u662f\u5b9a\u4e49\u7684gpio\u5b8f\u3002<\/p>\n\n\n\n

    \u6ce8\uff1a\u8fd9\u91cc\u80fd\u7528GPIO_Toggle\uff0c\u662f\u56e0\u4e3a\u5728\u524d\u8fb9\u7684board_init()\u51fd\u6570\u91cc\u5df2\u7ecf\u521d\u59cb\u5316\u8fc7\u8be5gpio\u4e86\u3002<\/em><\/em><\/p>\n\n\n\n

    \u70b9\u8fdb\u53bbEXT_GPIO\u5b8f\u53ef\u4ee5\u770b\u5230\u5b9a\u4e49\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6ce8\u610f\uff0c\u8fd9\u91cc\u7684EXT_GPIO_BITS\u503c\u4e3a0b1110\uff08\u5373:0x0e\uff09\uff0c\u610f\u601d\u662fBIT1\/BIT2\/BIT3\u76843\u4f4d\u4e00 \u8d77\u64cd\u4f5c\u30020b1110\u8fd9\u91cc\u7b49\u4ef7\u4e3a\uff1aGPIO_BIT1|GPIO_BIT2|GPIO_BIT3<\/strong>\u3002<\/p>\n\n\n\n

    \u90a3\u4e48\uff0cGPIO_Toggle(EXT_GPIO, EXT_GPIO_BITS) \u8fd9\u53e5\u4ee3\u7801\u7684\u610f\u601d\uff0c\u5c31\u662f\u5bf9GPIO4_1\/GPIO4_2 \/GPIO4_3\u76843\u4e2aIO\u4e00\u8d77\u53cd\u8f6c\u3002<\/p>\n\n\n\n

    \u5728\u6837\u4f8b\u7684VE\u91cc\uff0c\u5b9a\u4e49\u5f15\u811a\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u90a3\u4e48\uff0c\u8dd1\u6837\u4f8b\u65f6\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u5f00\u53d1\u677f\u4e0a\u76843\u4e2aLED\uff08LED1 LED2\u548cLED3\uff09\u95ea\u70c1\u4e86\u3002<\/p>\n\n\n\n

    \u800cLED4\u56e0\u4e3a\u6ca1\u6709\u64cd\u4f5c\u8be5IO\uff0cLED4\u4f9d\u7136\u662f\u706d\u7684\u72b6\u6001\u3002<\/em><\/em><\/p>\n\n\n\n

    <\/span>1.\u914d\u7f6e\u4e3a\u8f93\u51fa<\/strong>\uff08\u4e3e\u4f8b\uff09<\/span><\/h3>\n\n\n\n

    \u7528 pin3 \u5f15\u811a\u63a5 led \u706f\uff0c\u5e76\u63a7\u5236\u4eae\u706f\uff08\u9ad8\u4e3a\u4eae\uff09\u3002<\/p>\n\n\n\n

    \u6b65\u9aa4\u4e00\uff1a<\/p>\n\n\n\n

    \u5148\u5728ve\u6587\u4ef6\u4e2d\u5b9a\u4e49\u5f15\u811a\u6620\u5c04\uff08gpio\u4f7f\u7528 4-1\uff09\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6b65\u9aa4\u4e8c\uff1a<\/p>\n\n\n\n

    \u5b9a\u4e49\u4f7f\u7528\u7684\u5b8f\uff1a\uff08\u4e5f\u53ef\u4ee5\u4e0d\u5b9a\u4e49\uff0c\u76f4\u63a5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\uff09<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6b65\u9aa4\u4e09\uff1a<\/p>\n\n\n\n

      \u4ee3\u7801\u4e2d\u8c03\u7528\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6b65\u9aa4\u56db\uff1a<\/p>\n\n\n\n

      \u7f16\u8bd1\u5e76\u70e7\u5f55ve\u6587\u4ef6\uff0c\u7f16\u8bd1\u5e76\u70e7\u5f55code\uff1b<\/p>\n\n\n\n

    \u8865\u5145\uff0c\u9a71\u52a8\u5f00\u653e\u7684API\u5305\u542b<\/strong>\uff1a<\/p>\n\n\n\n

    \n

    GPIO_SetOutput\/GPIO_SetInput    ---\u8bbe\u7f6eIO\u4e3a\u8f93\u5165\u8f93\u51fa<\/p>\n\n\n\n

    GPIO_SetHigh\/GPIO_SetLow      ---\u7f6e\u9ad8\u7f6e\u4f4e<\/p>\n\n\n\n

    GPIO_Toggle                   ---\u9ad8\u4f4e\u5207\u6362<\/p>\n\n\n\n

    GPIO_IntConfig                 ---\u914d\u7f6e\u4e2d\u65ad\u89e6\u53d1\u65b9\u5f0f<\/p>\n\n\n\n

    GPIO_EnableInt\/GPIO_DisableInt\/GPIO_ClearInt  ---\u4e2d\u65ad\u63a7\u5236<\/p>\n\n\n\n

    GPIO_AF_ENABLE\/GPIO_AF_DISABLE         ---\u5207\u6362GPIO\u6a21\u5f0f\uff08\u5982\u679c\u6709\u590d\u7528\uff09<\/p>\n\n\n\n

    Gpio\u4e2d\u65ad\u51fd\u6570SDK\u4e2d\u5df2\u7ecf\u9ed8\u8ba4\u6307\u5b9a\uff1aGPIOx_isr<\/p>\n\n\n\n

    \u5982\u679c\u8981\u91cd\u5b9a\u5411\u4e3a\u51fd\u6570\uff0c\u901a\u8fc7 plic_isr[GPIOx_IRQn] = gpio_xxx_isr \u7684\u65b9\u5f0f\u6765\u8bbe\u7f6e\uff1b<\/strong><\/p>\n<\/blockquote>\n\n\n\n

    <\/span>2.\u914d\u7f6e\u4e3a\u8f93\u5165\uff08\u4e3e\u4f8b\uff09<\/strong><\/span><\/h3>\n\n\n\n

    \u7528pin96\u63a5\u5916\u90e8\u6309\u952e\uff0c\u5904\u7406\u6309\u952e\u6d88\u606f\uff1b<\/p>\n\n\n\n

    \u6b65\u9aa4\u4e00\uff1a<\/p>\n\n\n\n

      \u5728ve\u6587\u4ef6\u4e2d\u914d\u7f6egpio4_5\u6620\u5c04\u5230pin96\uff1b<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6b65\u9aa4\u4e8c\uff1a<\/p>\n\n\n\n

      \u5728\u6d4b\u8bd5\u4ee3\u7801\u4e2d\uff0c\u7f16\u5199IO\u521d\u59cb\u5316\uff0c\u5e76\u5b9e\u73b0\u4e2d\u65ad\u51fd\u6570\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

      \u6ce8\uff1a\u8fd9\u91cc\u7684\u4e2d\u65ad\u51fd\u6570GPIO4_isr\u65e0\u9700\u7a0b\u5e8f\u4e2d\u518d\u6b21\u6307\u5b9a\u3002<\/p>\n\n\n\n

    \u6b65\u9aa4\u4e09\uff1a<\/p>\n\n\n\n

     \u5982\u679c\u5916\u90e8\u7535\u8def\u6ca1\u6709\u4e0a\u62c9\u8bbe\u8ba1\uff0c\u9700\u8981\u5185\u90e8\u4e0a\u62c9\u3002\u8bbe\u7f6e\u65b9\u5f0f\uff08\u4e8c\u9009\u4e00\uff09\uff1a<\/p>\n\n\n\n

      \n
    1. \u5728\u5de5\u7a0b\u7684example_board.asf\u6587\u4ef6\u4e2d\uff0c<\/li>\n\n\n\n
    2. \u6216\u8005\u5728\\platforms\\AgRV\\boards\\agrv2k_x0x\\board.asf \u6587\u4ef6\u4e2d\uff08\u4e0d\u5efa\u8bae\uff09\uff0c<\/li>\n<\/ol>\n\n\n\n

      \u6dfb\u52a0\u4ee5\u4e0b\u7ea2\u6846\u5185\u7684\u8bed\u53e5\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u5185\u5bb9\uff1aset_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to PIN_96<\/p>\n\n\n\n

      \u6216\u8005\u4f7f\u7528\uff1aset_instance_assignment -name CFG_KEEP -to PIN_96 <\/i>2<\/i><\/bdo>'b10<\/bdo> -extension<\/em><\/p>\n\n\n\n

      \uff08\u4ee5\u4e0a\u4e24\u4e2a\u4e0a\u62c9\u7684\u8bed\u53e5\u610f\u4e49\u7b49\u4ef7\uff0c\u4f7f\u7528\u65f6\u4e8c\u9009\u4e00\uff09<\/em><\/p>\n\n\n\n

      \u6ce8\u610f\uff1a\u5982\u679c\u662fcpld\u4e2d\u8981\u5b9e\u73b0\u4e0a\u62c9\uff0c\u8fd9\u91cc\u7684PIN_96\u8981\u7528cpld\u91cc\u7684\u4fe1\u53f7\u540d\u5b57\u3002<\/p>\n\n\n\n

      \u5982\u679c\u8bbe\u7f6e\u4e0b\u62c9\uff0c\u5219\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u5185\u5bb9\uff1aset_instance_assignment -name CFG_KEEP -to PIN_32 2<\/kbd>'b01<\/kbd> -extension<\/p>\n\n\n\n

      \u6ce8\u610f\uff1a\u5982\u679c\u662fcpld\u4e2d\u8981\u5b9e\u73b0\u4e0b\u62c9\uff0c\u8fd9\u91cc\u7684PIN_32\u8981\u7528cpld\u91cc\u7684\u4fe1\u53f7\u540d\u5b57\u3002<\/p>\n\n\n\n

      \u6ce8\u610f\uff1a\u4e0a\u8fb9\u4e00\u884c\u6dfb\u52a0\u5b8c\u540e\uff0c\u52a1\u5fc5<\/mark>\u5728\u540e\u8fb9\u6dfb\u52a0\u56de\u8f66\u6362\u884c<\/mark>\uff08\u4fdd\u8bc1\u8fd9\u884c\u4e0d\u662f\u6587\u4ef6\u6700\u540e\u4e00\u884c\uff09\u3002<\/p>\n\n\n\n

      \u6b65\u9aa4\u56db\uff1a<\/p>\n\n\n\n

      \u7f16\u8bd1\u5e76\u70e7\u5f55ve\u6587\u4ef6\uff0c\u7f16\u8bd1\u5e76\u70e7\u5f55code\uff1b<\/p>\n\n\n\n

      \u7ed3\u675f\u3002<\/p>\n\n\n\n

      .<\/p>\n\n\n\n

      <\/span>3.GPIO\u9ad8\u7ea7\u7528\u6cd5<\/strong><\/span><\/h3>\n\n\n\n

      1. \u8bbe\u7f6e\u5185\u90e8\u4e0a\u62c9\/\u4e0b\u62c9\uff1a<\/strong><\/p>\n\n\n\n

        \u53c2\u8003\u4e0a\u8fb9\u6b65\u9aa43\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n

      2. \u5f15\u811a\u590d\u7528\uff1a<\/strong><\/p>\n\n\n\n

      AG32\u4e2d\u4e5f\u6709\u5f15\u811a\u590d\u7528\u3002<\/p>\n\n\n\n

      \u5e38\u89c1\u7684\u590d\u7528\u5f15\u811a\uff0c\u9ed8\u8ba4\u90fd\u662fIO\u529f\u80fd\u3002\u7528\u505a\u590d\u7528\u529f\u80fd\uff08\u5982uart_rx\/uart_tx\uff09\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u51fd\u6570GPIO_AF_ENABLE\u6765\u8bbe\u7f6e\uff08\u53c2\u8003\u5177\u4f53\u7684\u6837\u4f8b\u4ee3\u7801\uff09\u3002<\/p>\n\n\n\n

      \u7279\u522b\u7684\uff0cJTAG\u5f15\u811a\uff08JNTRST\u3001JTDO\u3001JTDI\u3001JTMS\u3001JTCK\uff09\uff0c\u9ed8\u8ba4\u662fJTAG\u529f\u80fd\uff0c\u800c\u4e0d\u662fIO\u529f\u80fd\u3002\u7528\u4f5c\u666e\u901aIO\u65f6\uff0c\u9700\u8981\u5148\u5207\u6362\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

      \u53ef\u4f7f\u7528\u5982\u4e0b\u51fd\u6570\u6765\u8bbe\u7f6e\uff08\u5728main\u51fd\u6570\u8fdb\u5165\u540e\u8c03\u7528\u5373\u53ef\uff09\uff1a<\/p>\n\n\n\n

      SYS_DisableNJTRST()\u3001SYS_DisableJTDI()\u3001SYS_DisableJTDO().<\/p>\n\n\n\n

      \uff08AG32\u9ed8\u8ba4\u4f7f\u7528jtag\u7684swd\u6a21\u5f0f\uff0c\u4fdd\u7559JTMS\u3001JTCK\u5373\u53ef\u901a\u8fc7jtag\u70e7\u5f55\u4eff\u771f\uff09\u3002<\/p>\n\n\n\n

      3. \u8bbe\u7f6e\u4e3aOD\u6a21\u5f0f\uff08\u5f00\u6f0f\u8f93\u51fa\uff09\uff1a<\/strong><\/p>\n\n\n\n

      IO\u9ed8\u8ba4\u8f93\u51fa\u662fPP\u6a21\u5f0f\uff08\u63a8\u633d\u8f93\u51fa\uff09\u3002<\/p>\n\n\n\n

      \u5982\u679c\u8981\u8bbe\u7f6e\u4e3aOD\u6a21\u5f0f\uff0c\u6709\u4e24\u79cd\u65b9\u5f0f\uff08\u4e8c\u9009\u4e00\uff09\uff1a<\/p>\n\n\n\n

      \u65b9\u5f0f\u4e00\u3001\u5728ve\u91cc\u5b9a\u4e49\u5f15\u811a\u5982\u4e0b\uff08\u4ee534\u811a\u4e3a\u4f8b\uff09\uff1a<\/p>\n\n\n\n

      GPIO4_1 PIN_34:OUTPUT:!PIN_34_out_data<\/strong><\/strong><\/p>\n\n\n\n

      \u65b9\u5f0f\u4e8c\u3001\u5728asf\u6587\u4ef6\uff08\u5de5\u7a0b\u4e2dexample_board.asf\uff09\u4e2d\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n

      set_instance_assignment -name ENABLE_OPEN_DRAIN<\/strong> ON -to PIN_34<\/strong><\/strong><\/p>\n\n\n\n

      \u4e24\u79cd\u65b9\u5f0f\u7684\u8f93\u51fa\u6548\u679c\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n

      \u6ce8\u610f\uff1a<\/em><\/p>\n\n\n\n

      \u5982\u679c\u7528gpio\u6a21\u62dfI2c\u7684\u6570\u636e\u7ebf\uff0c\u5219\u53ea\u80fd\u4f7f\u7528\u7b2c2\u79cd\u65b9\u5f0f\u3002<\/em><\/p>\n\n\n\n

      \u5982\u679c\u4e00\u5b9a\u8981\u4f7f\u7528\u65b9\u5f0f\u4e00\uff0c\u5fc5\u987b\u8981\u65b0\u589e\u4e00\u4e2aGPIO\u505a\u4e3a\u8f93\u5165\uff0c\u7ed1\u5b9a\u5230\u4e00\u4e2aPIN\u4e0a\u3002\u5982\uff1a<\/em>GPIO4_2 PIN_34:INPUT<\/em><\/strong><\/em><\/strong>\uff0c\u7136\u540e\u5728\u7a0b\u5e8f\u91ccSDA\u5207\u6362\u8bfb\u7684\u65f6\u5019\u5c31\u7528\u8fd9\u4e2aGPIO\u3002<\/em><\/p>\n\n\n\n

      4. \u914d\u7f6e\u7535\u6d41\u8f93\u51fa\u9a71\u52a8\u80fd\u529b\uff1a<\/strong><\/p>\n\n\n\n

      \u540c\u4e0a\u8fb9\u4e0a\u62c9\/\u4e0b\u62c9\u7684\u8bbe\u7f6e\u6587\u4ef6\uff08example_board.asf \u6587\u4ef6\uff09\uff0c\u52a0\u5165\uff1a<\/p>\n\n\n\n

      set_instance_assignment -name CURRENT_STRENGTH -to PIN_32\u00a016MA<\/strong><\/strong><\/p>\n\n\n\n

      \u9a71\u52a8\u7535\u6d41\u9ed8\u8ba4\u4e3a8MA\uff0c\u652f\u63014MA\/8MA\/12MA\/16MA\u3002<\/em><\/p>\n\n\n\n

      .<\/p>\n\n\n\n

      <\/span>\u56db\u3001MTimer\u7684\u4f7f\u7528\uff1a<\/strong><\/span><\/h2>\n\n\n\n

      MTime\u662frisc-v\u4e2d\u5b9a\u4e49\u7684\u4e00\u4e2a64\u4f4d\u7cfb\u7edf\u5b9a\u65f6\u5668\u3002<\/p>\n\n\n\n

      \u5728STM32\u4e2d\uff0c\u6211\u4eec\u4e00\u822c\u7528systick(\u6ef4\u7b54\u8ba1\u65f6\u5668)\u4f5c\u4e3a\u65f6\u57fa\uff0c\u800c\u5728riscv\u4e2d\u6211\u4eec\u7528mechine timer(\u7b80\u79f0mtime)\u4f5c\u4e3a\u65f6\u57fa\u3002<\/p>\n\n\n\n

      MTime\u4e2d\u6709\u4e24\u4e2a\u4e3b\u8981\u5bc4\u5b58\u5668\uff1amtime\u548cmtimecmp\uff1b<\/p>\n\n\n\n

      \u5f53mtime\u4f7f\u80fd\u540e\uff0cmtime\u5bc4\u5b58\u5668\u91cc\u7684\u503c\u4f1a\u968f\u7740tick\u81ea\u589e\uff0c\u5f53\u81ea\u589e\u5230 \u5927\u4e8e\u7b49\u4e8e mtimecmp \u5bc4\u5b58\u5668\u7684\u503c\u65f6(\u65e0\u7b26\u53f7\u6bd4\u8f83\uff09\uff0c\u5c31\u89e6\u53d1MTimer\u4e2d\u65ad\u3002<\/p>\n\n\n\n

      \u5728\u79fb\u690d\u64cd\u4f5c\u7cfb\u7edf\u65f6\uff0cmtime\u4e00\u822c\u88ab\u7528\u4e8e\u7cfb\u7edf\u65f6\u95f4\u7247\u7684\u8c03\u5ea6\u5b9a\u65f6\u3002<\/p>\n\n\n\n

      \u76f8\u5173\u51fd\u6570\uff1a<\/p>\n\n\n\n

      \n

      INT_SetMtime\uff1a\u8bbe\u7f6e\u5bc4\u5b58\u5668\u7684\u503c\uff1b<\/p>\n\n\n\n

      INT_SetMtimeCmp\uff1a\u8bbe\u7f6e\u6bd4\u8f83\u5bc4\u5b58\u5668\u7684\u503c\uff1b<\/p>\n\n\n\n

      INT_EnableIntTimer\uff1a\u6253\u5f00timer\u4e2d\u65ad\uff1b<\/p>\n\n\n\n

      \u4e2d\u65ad\u51fd\u6570SDK\u4e2d\u5df2\u9ed8\u8ba4\u6307\u5b9a\uff1avoid MTIMER_isr()<\/p>\n\n\n\n

      \u5982\u679c\u8981\u91cd\u5b9a\u5411\u51fd\u6570\uff0c\u901a\u8fc7clint_isr[IRQ_M_TIMER] = MTIMER_user_isr \u6765\u8bbe\u7f6e\uff1b<\/p>\n<\/blockquote>\n\n\n\n

      \u5982\u679c\u8981\u8bbe\u7f6e1ms\u89e6\u53d1\u4e00\u6b21\u7684\u8fde\u7eed\u5b9a\u65f6\uff0c\u9700\u8981\u8c03\u7528\uff1a<\/p>\n\n\n\n

      \n

      INT_SetMtime(0);<\/p>\n\n\n\n

      INT_SetMtimeCmp(SYS_GetSysClkFreq() \/ 1000); \/\/1ms<\/p>\n\n\n\n

      \u7136\u540e\u5728\u4e2d\u65ad\u91cc\u91cd\u65b0\u8ba1\u65f6\uff1a<\/p>\n\n\n\n

      INT_SetMtime(0);<\/p>\n<\/blockquote>\n\n\n\n

      \u5b8c\u6574\u4ee3\u7801\u6837\u4f8b\u8bf7\u53c2\u8003example\u90e8\u5206:<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      MTIME\u8f83\u4e3a\u7b80\u5355\uff0c\u7528\u6cd5\u4e0a\u53ea\u6709\u4e0a\u8ff0\u7528\u6cd5\u3002<\/p>\n\n\n\n

      .<\/p>\n\n\n\n

      <\/span>\u4e94\u3001Base Timer\u7684\u4f7f\u7528\uff1a<\/strong><\/span><\/h2>\n\n\n\n

      AG32\u4e2d\u5305\u542b2\u4e2aBase Timer\uff1a\u5206\u522b\u5bf9\u5e94TIMER0\u548cTIMER1\u3002<\/p>\n\n\n\n

      \u8fd9\u4e24\u4e2atimer\u4e2d\uff0c\u6bcf\u4e2a\u53c8\u6709\u4e24\u7ec4\u5bc4\u5b58\u5668\uff0c\u6bcf\u7ec4\u5bc4\u5b58\u5668\u53ef\u4ee5\u5355\u72ec\u4ea7\u751f\u5b9a\u65f6\u3002<\/p>\n\n\n\n

      \u6240\u4ee5\uff0c\u771f\u6b63\u53ef\u7528\u7684\u666e\u901a\u5b9a\u65f6\u5668\u67094\u4e2a\uff1aTIMER0-0\u3001TIMER0-1\u3001TIMER1-0\u3001TIMER1-1\u3002<\/p>\n\n\n\n

      4\u4e2a\u5b9a\u65f6\u5668\u5747\u53ef\u72ec\u7acb\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

      \u666e\u901a\u5b9a\u65f6\u5668\u7279\u70b9\uff1a<\/p>\n\n\n\n

      \n

      \u5b9a\u65f6\u5668\u652f\u630116\u4f4d\u548c32\u4f4d\u7684\u8bbe\u7f6e\uff0c<\/p>\n\n\n\n

      \u652f\u63013\u79cd\u7c7b\u578b\u5206\u9891\uff081\u5206\u9891\uff0c16\u5206\u9891\uff0c256\u5206\u9891\uff09\uff0c<\/p>\n\n\n\n

      \u652f\u6301\u5355\u6b21\u5b9a\u65f6\u548c\u5faa\u73af\u5b9a\u65f6\u3002<\/p>\n<\/blockquote>\n\n\n\n

      \u9a71\u52a8API\u51fd\u6570\u547d\u540d\u4e2d\u76841\u548c2\uff0c\u5206\u522b\u5bf9\u5e94\u7b2c\u4e00\u7ec4\u548c\u7b2c\u4e8c\u7ec4\u5bc4\u5b58\u5668\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2aTimer\u53ef\u4ee5\u7528\u4e8e2\u4e2a\u72ec\u7acb\u8ba1\u65f6\u5668\u3002<\/p>\n\n\n\n

      \u5982\uff0cTIM_Init1\u8bbe\u7f6e\u7684\u662f\u7b2c\u4e00\u7ec4\u5bc4\u5b58\u5668\uff0cTIM_Init2\u8bbe\u7f6e\u7684\u662f\u7b2c\u4e8c\u7ec4\u5bc4\u5b58\u5668\u3002<\/p>\n\n\n\n

      \u4e3e\u4f8b\uff1a<\/strong><\/strong><\/p>\n\n\n\n

      \u7528Timer1\u7684group2\u4ea7\u751f1s\u7684\u5faa\u73af\u5b9a\u65f6\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u4e2d\u65ad\u51fd\u6570TIMER1_isr\u5728SDK\u4e2d\u5df2\u7ecf\u9ed8\u8ba4\u6307\u5b9a\u3002<\/p>\n\n\n\n

      \u8bf4\u660e\uff1a<\/p>\n\n\n\n

      \u8bbe\u7f6e\u51fd\u6570\uff1aTIM_Init1 <-> TIM_SetLoad1\/TIM_SetSize1\/TIM_SetMode1\/...<\/p>\n\n\n\n

      \u4e2d\u65ad\u51fd\u6570\uff1aTIMER0_isr\/TIMER1_isr<\/p>\n\n\n\n

      \u51fd\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n

      void TIM_Init1(TIMER_TypeDef *tim, uint32_t timeInUs, TIMER_ModeTypeDef mode)<\/p>\n\n\n\n

      \u4f5c\u7528\uff1a\u542f\u52a8Timer0\u6216Timer1\u7684\u7b2c\u4e00\u4e2a\u5b9a\u65f6\u5668\uff08TIM_Init2\u5219\u542f\u52a8\u7b2c\u4e8c\u4e2a\u5b9a\u65f6\u5668\uff09\u3002<\/p>\n\n\n\n

      \u53c2\u6570\uff1atim\uff1aTIMER0 or TIMER1<\/p>\n\n\n\n

        timeInUs\uff1a\u591a\u5c11us\u89e6\u53d1\u5b9a\u65f6<\/p>\n\n\n\n

        mode\uff1aTIMER_MODE_PERIODIC:\u5faa\u73af\u89e6\u53d1  TIMER_CTRL_ONESHOT:\u53ea\u89e6\u53d1\u4e00\u6b21<\/p>\n\n\n\n

      \u4e3e\u4f8b\uff1a<\/p>\n\n\n\n

        TIM_Init1(TIMER0, 500000, TIMER_MODE_PERIODIC);  <\/p>\n\n\n\n

      \u8868\u793a\u542f\u52a8TIMER0\u7684\u7b2c\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c500ms\u89e6\u53d1\u4e00\u6b21\u5b9a\u65f6\u4e2d\u65ad\uff0c\u5faa\u73af\u89e6\u53d1\u3002<\/p>\n\n\n\n

      \u9664\u4e86\u76f4\u63a5\u8c03\u7528 TIM_Init1\u6765\u542f\u52a8\u4e00\u4e2a\u5b9a\u65f6\u5916\uff0c\u4e5f\u53ef\u4ee5\u8c03\u7528\u5404\u4e2a\u5b50\u51fd\u6570\u6765\u542f\u52a8\u3002<\/p>\n\n\n\n

      \u5982\uff0c<\/p>\n\n\n\n

        TIM_Init2(TIMER0, 500000, TIMER_MODE_PERIODIC)<\/p>\n\n\n\n

      \u529f\u80fd\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n

      \n

      TIM_SetLoad2(TIMER0, SYS_GetPclkFreq() \/ 1000000 * 500000);<\/p>\n\n\n\n

      TIM_SetSize2(TIMER0, TIMER_SIZE_32);<\/p>\n\n\n\n

      TIM_SetMode2(TIMER0, TIMER_MODE_PERIODIC);<\/p>\n\n\n\n

      TIM_SetPrescaler2(TIMER0, TIMER_PRESCALE_1);<\/p>\n\n\n\n

      TIM_EnableInt2(TIMER0);<\/p>\n\n\n\n

      TIM_EnableTimer2(TIMER0);<\/p>\n<\/blockquote>\n\n\n\n

      \u4ee5\u4e0a\u51e0\u4e2a\u51fd\u6570\u4e2d\uff0c<\/p>\n\n\n\n

      TIM_SetPrescaler2 \u662f\u8bbe\u7f6e\u5206\u9891\uff0c<\/p>\n\n\n\n

        \u4e09\u4e2a\u53c2\u6570\u53ef\u9009\uff1aTIMER_PRESCALE_1\/TIMER_PRESCALE_16\/TIMER_PRESCALE_256<\/p>\n\n\n\n

        \u5206\u522b\u8868\u793a\u5206\u9891\u6570\uff1a1\u5206\u9891\uff0c16\u5206\u9891\uff0c256\u5206\u9891\uff1b<\/p>\n\n\n\n

      TIM_SetSize2 \u8bbe\u7f6e\u8ba1\u65f6\u5668\u4f4d\u5bbd\uff0c<\/p>\n\n\n\n

        \u4e24\u4e2a\u53c2\u6570\u53ef\u9009\uff1aTIMER_SIZE_32\/TIMER_SIZE_16<\/p>\n\n\n\n

        \u8868\u793a\u8ba1\u6570\u5668\u7684load\u7684\u4f4d\u5bbd\u662f32\u4f4d\u8fd8\u662f16\u4f4d\u3002<\/p>\n\n\n\n

      TIM_SetLoad2 \u8bbe\u7f6e\u89e6\u53d1\u65f6\u95f4\uff08\u4ee5tick\u4e3a\u5355\u4f4d\uff09<\/p>\n\n\n\n

        \u5982\u679c\u5b9a\u65f6\u5355\u4f4d\u4e3ams\uff0c\u5219\u9700\u8981\u5c06tick\u8f6c\u4e3ams\uff1aSYS_GetPclkFreq()\/1000000*ms<\/p>\n\n\n\n

      \u4e2d\u65ad\u51fd\u6570\uff1avoid TIMER0_isr()<\/p>\n\n\n\n

      \u51fd\u6570\u8bf4\u660e\uff1a\u8be5\u51fd\u6570\u4e3aTIMER0\u7684\u4e2d\u65ad\u51fd\u6570\uff1b<\/p>\n\n\n\n

      \u5728\u8be5\u51fd\u6570\u4e2d\u9700\u8981\u5148\u67e5\u8be2\u662f\u7b2c\u4e00\u4e2a\u8fd8\u662f\u7b2c\u4e8c\u4e2a\u5b9a\u65f6\u5668\uff0c\u7136\u540e\u518d\u6e05\u4e2d\u65ad\u3002<\/p>\n\n\n\n

      \u8be5\u4e2d\u65ad\u51fd\u6570\u5df2\u9ed8\u8ba4\u5173\u8054\uff0c\u4e0d\u9700\u8981\u7a0b\u5e8f\u4e2d\u6765\u624b\u5de5\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

      \u5b8c\u6574\u4ee3\u7801\u6837\u4f8b\u8bf7\u53c2\u8003example\u4e0bexample_timer.c\u3002<\/p>\n\n\n\n

      .<\/p>\n\n\n\n

      <\/span>\u516d\u3001gpTimer\u7684\u4f7f\u7528\uff1a<\/strong><\/span><\/h2>\n\n\n\n

      General Purpose Timer<\/strong>\uff0c\u5373\u901a\u7528\u8ba1\u65f6\u5668\u3002\u76f8\u5f53\u4e8eST\u4e2d\u7684Advanced Timer.<\/p>\n\n\n\n

      AG32\u4e2d\u5305\u542b5\u4e2a\u901a\u7528\u8ba1\u65f6\u5668(GpTimer)\uff0c<\/p>\n\n\n\n

      \u4ee3\u7801\u4e2d\u5206\u522b\u5bf9\u5e94\uff1aGPTIMER0\u3001GPTIMER1\u3001GPTIMER2...<\/p>\n\n\n\n

      \u901a\u7528\u5b9a\u65f6\u5668\u53ef\u4ee5\u5b9e\u73b0\u66f4\u591a\u529f\u80fd\uff0c\u5305\u62ec\uff1a\u8ba1\u65f6\u3001\u751f\u6210pwm\u3001\u751f\u6210\u4efb\u610f\u6ce2\u5f62\u3001\u8f93\u5165\u6355\u83b7\u3002<\/p>\n\n\n\n

      5\u4e2a\u5b9a\u65f6\u5668\u5747\u53ef\u72ec\u7acb\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

      \u6bcf\u4e2a\u5b9a\u65f6\u5668\u652f\u63014\u4e2a\u72ec\u7acb\u901a\u9053\uff08channel\uff09\uff1a<\/p>\n\n\n\n

      -- \u8f93\u5165\u6355\u83b7<\/p>\n\n\n\n

      -- PWM\u8f93\u51fa\uff08\u8fb9\u7f18\u6216\u4e2d\u95f4\u5bf9\u9f50\u6a21\u5f0f\uff09<\/p>\n\n\n\n

      -- \u5355\u8109\u51b2\u8f93\u51fa<\/p>\n\n\n\n

      \u4e3b\u8981\u51fd\u6570\uff1aGPTIMER_Init \/ GPTIMER_OC_Init.<\/p>\n\n\n\n

      <\/span>1\u3001\u7528\u4e8e\u7b80\u5355\u5b9a\u65f6<\/strong><\/span><\/h3>\n\n\n\n

      \u7528\u4e8e\u7b80\u5355\u5b9a\u65f6\uff0c\u53ea\u9700\u8981\u5173\u6ce8\u4e00\u4e2a\u51fd\u6570\uff1aGPTIMER_Init\uff0c<\/p>\n\n\n\n

      \u8bbe\u7f6e\u597d\u53c2\u6570\u540e\uff0c\u542f\u52a8\u8ba1\u65f6\u5373\u53ef\u3002<\/p>\n\n\n\n

      \u4e3e\u4f8b\uff1a<\/p>\n\n\n\n

      \u7528gpTimer1\u4ea7\u751f2\u79d2\u4e00\u6b21\u7684\u5b9a\u65f6\u3002<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u8fd9\u91cc\u4f7f\u7528\u5230\u7684\u4e2d\u65ad\u51fd\u6570GPTIMER1_isr\uff0c\u5df2\u88abSDK\u81ea\u52a8\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

      <\/span>2\u3001\u7528\u4e8epwm\u8f93\u51fa<\/strong><\/span><\/h3>\n\n\n\n

      \u7528\u4e8epwm\u8f93\u51fa\u65f6\uff0c\u8981\u8bbe\u7f6e\u4e24\u4e2a\u51fd\u6570\uff1aGPTIMER_Init \u548c GPTIMER_OC_Init\u3002<\/p>\n\n\n\n

      GPTIMER_Init\u4e2d\u8bbe\u7f6e\u591a\u957f\u65f6\u95f4\u89e6\u53d1\u4e00\u6b21timer\uff1b<\/p>\n\n\n\n

      GPTIMER_OC_Init\u4e2d\u6307\u5b9apwm\u8f93\u51fa\u901a\u9053\u53ca\u8bbe\u7f6epwm\u7684\u5360\u7a7a\u6bd4\uff1b<\/p>\n\n\n\n

      \u4e3e\u4f8b\uff1a<\/p>\n\n\n\n

      \u7528gpTimer4\u5728\u901a\u90530\u4e0a\u4ea7\u751fpwm\u8f93\u51fa\u3002<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u9664\u4e86\u4e0a\u8ff0\u7684\u4ee3\u7801\u63a7\u5236\u5916\uff0c\u8fd8\u9700\u8981\u5728ve\u4e2d\u6dfb\u52a0\u6620\u5c04\u5173\u7cfb\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0cpwm\u624d\u4f1a\u8f93\u51fa\u5230\u7ba1\u811a\u4e0a\u3002<\/p>\n\n\n\n

      \u5178\u578b\u6848\u4f8b\uff1a\u547c\u5438\u706f\uff08\u7528timer+timerPWM\u6765\u63a7\u5236led\u706f\u9010\u6e10\u53d8\u91cf\u9010\u6e10\u53d8\u6697\uff09<\/p>\n\n\n\n

      <\/span>3\u3001\u8f93\u51fa\u53cd\u5411PWM\uff08\u5e26\u6b7b\u533a\uff09<\/strong><\/span><\/h3>\n\n\n\n

      \u6837\u4f8b\u7a0b\u5e8f\uff0c\u8bf7\u53c2\u8003\u7f51\u76d8\u4e0b\u201c\u5176\u4ed6\u6587\u6863\\\u9a71\u52a8\u6837\u4f8b\u8865\u5145\\example_gptimer_pwm_N.c\u201d\uff0c\u6216\u70b9\u51fb\u8fd9\u91cc<\/a>\u3002<\/p>\n\n\n\n

      <\/span>4\u3001\u8f93\u51fa\u4efb\u610f\u6ce2\u5f62<\/strong><\/span><\/h3>\n\n\n\n

      \u5982\u679c\u8981\u8f93\u51fa\u7684\u4e0d\u662fpwm\u7684\u89c4\u5219\u6ce2\u5f62\uff0c\u800c\u662f\u4e0d\u89c4\u5219\u6ce2\u5f62\uff08\u6bd4\u5982\u6b63\u5f26\u6ce2\uff09\uff0c\u5219\u53ef\u501f\u52a9\u4e8eDMA\u65b9\u5f0f\u6765\u6a21\u62df\u5b9e\u73b0\u3002<\/p>\n\n\n\n

      \u601d\u8def\uff1a\u4e8b\u5148\u5728\u6570\u7ec4\u4e2d\u5b9a\u4e49\u597d\u6570\u636e\u5e8f\u5217\uff0c\u7136\u540e\u901a\u8fc7dma\u6bcf\u6b21\u642c\u8fd0\uff0c\u4f5c\u7528\u5230\u8f93\u51fa\u3002<\/p>\n\n\n\n

      \u8fd9\u90e8\u5206\u529f\u80fd\uff0c\u53c2\u8003\u4f8b\u7a0b\u51fd\u6570\uff1aTestGpTimerDma<\/p>\n\n\n\n

      \u8fd9\u79cd\u65b9\u5f0f\u4e5f\u540c\u6837\u9700\u8981\u7ba1\u811a\u6620\u5c04\u3002<\/p>\n\n\n\n

      <\/span>5\u3001\u7528\u4e8e\u8f93\u5165\u6355\u83b7<\/strong><\/span><\/h3>\n\n\n\n

      \u7528\u4e8e\u8f93\u5165\u6355\u83b7\u65f6\uff0c\u8981\u8bbe\u7f6e\u4e24\u4e2a\u51fd\u6570\uff1aGPTIMER_Init \u548c GPTIMER_IC_Init\u3002<\/p>\n\n\n\n

      \u6837\u4f8b\u7a0b\u5e8f\uff0c\u8bf7\u53c2\u8003\u7f51\u76d8\u4e0b\u201c\u5176\u4ed6\u6587\u6863\\\u9a71\u52a8\u6837\u4f8b\u8865\u5145\\example_gptimer_capture.c\u201d\uff0c\u6216\u70b9\u51fb\u8fd9\u91cc<\/a>\u3002<\/p>\n\n\n\n

      .<\/p>\n\n\n\n

      <\/span>\u4e03\u3001Uart\u7684\u4f7f\u7528<\/strong><\/span><\/h2>\n\n\n\n

      AG32\u53ef\u7528\u7684UART\u67095\u4e2a\uff0c\u5206\u522b\u5bf9\u5e94UART0\u3001UART1\u3001UART2\u3001UART3\u3001UART4\u3002\u51e0\u4e2aUart\u7684\u529f\u80fd\u548c\u7528\u6cd5\u662f\u5b8c\u5168\u76f8\u540c\u7684\u3002<\/p>\n\n\n\n

      \u6837\u4f8b\u5de5\u7a0b\u4e2d\uff0cUART0\u88ab\u505a\u4e3a\u8f93\u51falog\u7684\u4e32\u53e3\u3002\u5176\u4ed6\u51e0\u4e2aUART\u53ef\u88ab\u7528\u6237\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n\n\n\n

      \u4e32\u53e3\u4f7f\u7528\u8f83\u4e3a\u7b80\u5355\uff0c\u8fd9\u91cc\u8bb2\u8ff0\u4e0b\u51e0\u4e2a\u91cd\u8981\u51fd\u6570\uff1a<\/p>\n\n\n\n

      \u521d\u59cb\u5316\u51fd\u6570\uff1a<\/p>\n\n\n\n

      void UART_Init(UART_TypeDef *uart, UART_BaudRateTypeDef baudrate, UART_LCR_DataBitsTypeDef databits,<\/p>\n\n\n\n

              UART_LCR_StopBitsTypeDef stopbits, UART_LCR_ParityTypeDef parity, UART_LCR_FifoTypeDef fifo)<\/p>\n\n\n\n

      \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n