Analog Serial Output

Source: Internet
Author: User

Vincent helped me debug the output log of hardfault handler recently. Thank you.

 

1 void Delay_UART5(uint16_t cnt)2 {3     for(;cnt;cnt--);4 }
 1 //void HardFault_Handler(void)        //uart5 38400 2 //{ 3 //     4 //    uint32_t addrbegin=__get_MSP() ;                    //???·?· 5          uint32_t  addr; 6 //    uint8_t i, j, str; 7 //    uint16_t loopcnt=0; 8 //     9 ////    USART3->CR1 &=~ (1<<7);10 ////    GPIOB->CRH &= 0xFFFF00FF;                    //uart 3,PB10,PB1111 ////    GPIOB->CRH |= 0x00004100;12 ////    GPIOB->BSRR |= (0x0001<<10);13 //14 //    UART5->CR1 &=~ (1<<7);15 //     GPIOC->CRH &= 0xFFF0FFFF;                    //uart 5,PC12TX,PD2RX16 //    GPIOC->CRH |= 0x10000;17 //    GPIOC->BSRR |= (0x0001<<12);18 //19 //    while(1)20 //    {21 //        Delay_UART5(7969);22 //        loopcnt++;23 //        GPIOC->BSRR |= (0x0001<<12);24 //        25 //        if(loopcnt > 3000)26 //        {27 //            28 //            addr= addrbegin+0x30;29 //            loopcnt=0;30 //            for(i=0; i<255; i++)31 //            {32 //                33 //                str= (*(uint8_t*) addr--);34 //35 //                if(i>250)36 //                    str = ‘\r‘;37 //                38 //            //    Delay_UART5(1076*4);    //960039 //            //    Delay_UART5(1076);        //3840040 //            //    Delay_UART5(818);41 //            Delay_UART5(1000);42 //43 //                GPIOC->BRR |= (0x0001<<12);44 //            //            Delay_UART5(1076);                            //usart end45 //            //         Delay_UART5(269);46 //            //        Delay_UART5(205);47 //                     Delay_UART5(260);48 //49 //                for(j=0; j<8; j++)50 //                {51 //                    if((str&(0x01<<j)))52 //                        GPIOC->BSRR |= (0x0001<<12);53 //                    else54 //                        GPIOC->BRR |= (0x0001<<12);55 //            //            Delay_UART5(1076);                            //usart end56 //           //          Delay_UART5(269);57 //                      //        Delay_UART5(205);58 //                     Delay_UART5(260);59 //                }60 //                GPIOC->BSRR |= (0x0001<<12);61 //            //        Delay_UART5(1076*2);                            //usart end62 //            //     Delay_UART5(538);63 //            //     Delay_UART5(410);64 //                      ;Delay_UART5(500);65 //            }66 //        }67 //    }68 //}

There are two problems: 1. the latency function needs to be adjusted, and the latency must be 26us.

2. The SP address has changed when the sp value is removed.

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