96 lines
1.5 KiB
C
96 lines
1.5 KiB
C
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#include "sys.h"
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#include "usart.h"
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#include "delay.h"
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#include "led.h"
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#include "key.h"
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#include "timer.h"
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/************************************************************************************/
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//PWM<57><4D><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>
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//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
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//DevEBox <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
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//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
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//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com
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/************************************************************************************/
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u8 dir=1;
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u16 led0pwmval=0;
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int main(void)
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{
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Cache_Enable(); //<2F><><EFBFBD><EFBFBD>L1-Cache
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HAL_Init(); //<2F><>ʼ<EFBFBD><CABC>HAL<41><4C>
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Stm32_Clock_Init(160,5,2,4); //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>,400Mhz
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delay_init(400); //<2F><>ʱ<EFBFBD><CAB1>ʼ<EFBFBD><CABC>
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uart_init(115200); //<2F><><EFBFBD>ڳ<EFBFBD>ʼ<EFBFBD><CABC>
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LED_Init(); //<2F><>ʼ<EFBFBD><CABC>LEDʱ<44><CAB1>
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KEY_Init();
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TIM3_PWM_Init(500-1,200-1); //200M/200=1M<31>ļ<EFBFBD><C4BC><EFBFBD>Ƶ<EFBFBD>ʣ<EFBFBD><CAA3>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>Ϊ500<30><30><EFBFBD><EFBFBD>ôPWMƵ<4D><C6B5>Ϊ1M/500=2kHZ
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while(1)
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{
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delay_ms(10);
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if(dir)led0pwmval++; //dir==1 led0pwmval<61><6C><EFBFBD><EFBFBD>
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else led0pwmval--; //dir==0 led0pwmval<61>ݼ<EFBFBD>
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if(led0pwmval>300)dir=0; //led0pwmval<61><6C><EFBFBD><EFBFBD>300<30><EFBFBD><F3A3ACB7><EFBFBD>Ϊ<EFBFBD>ݼ<EFBFBD>
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if(led0pwmval==0)dir=1; //led0pwmval<61>ݼ<EFBFBD><DDBC><EFBFBD>0<EFBFBD><EFBFBD><F3A3ACB7><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
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TIM_SetTIM3Compare4(led0pwmval); //<2F>ıȽ<C4B1>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>ռ<EFBFBD>ձ<EFBFBD>
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}
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}
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/************************************************************************************/
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//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
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//DevEBox <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
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//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
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//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com
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/************************************************************************************/
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