📄 stm32f10x_usart.lst
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530 USARTx->CR2 &= CR2_LBDL_Mask;
\ USART_LINBreakDetectLengthConfig:
\ 00000000 028A LDRH R2,[R0, #+16]
\ 00000002 .... LDR.N R3,??DataTable4 ;; 0xffdf
\ 00000004 1340 ANDS R3,R3,R2
\ 00000006 0382 STRH R3,[R0, #+16]
531 USARTx->CR2 |= USART_LINBreakDetectLength;
\ 00000008 028A LDRH R2,[R0, #+16]
\ 0000000A 1143 ORRS R1,R1,R2
\ 0000000C 0182 STRH R1,[R0, #+16]
532 }
\ 0000000E 7047 BX LR ;; return
533
534 /*******************************************************************************
535 * Function Name : USART_LINCmd
536 * Description : Enables or disables the USART抯 LIN mode.
537 * Input : - USARTx: Select the USART or the UART peripheral.
538 * This parameter can be one of the following values:
539 * - USART1, USART2, USART3, UART4 or UART5.
540 * - NewState: new state of the USART LIN mode.
541 * This parameter can be: ENABLE or DISABLE.
542 * Output : None
543 * Return : None
544 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
545 void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState)
546 {
547 /* Check the parameters */
548 assert_param(IS_USART_ALL_PERIPH(USARTx));
549 assert_param(IS_FUNCTIONAL_STATE(NewState));
550
551 if (NewState != DISABLE)
\ USART_LINCmd:
\ 00000000 0029 CMP R1,#+0
\ 00000002 018A LDRH R1,[R0, #+16]
\ 00000004 03D0 BEQ.N ??USART_LINCmd_0
552 {
553 /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
554 USARTx->CR2 |= CR2_LINEN_Set;
\ 00000006 51F48041 ORRS R1,R1,#0x4000
\ 0000000A 0182 STRH R1,[R0, #+16]
\ 0000000C 7047 BX LR
555 }
556 else
557 {
558 /* Disable the LIN mode by clearing the LINEN bit in the CR2 register */
559 USARTx->CR2 &= CR2_LINEN_Reset;
\ ??USART_LINCmd_0:
\ 0000000E 024A LDR.N R2,??USART_LINCmd_1 ;; 0xbfff
\ 00000010 0A40 ANDS R2,R2,R1
\ 00000012 0282 STRH R2,[R0, #+16]
560 }
561 }
\ 00000014 7047 BX LR ;; return
\ 00000016 00BF Nop
\ ??USART_LINCmd_1:
\ 00000018 FFBF0000 DC32 0xbfff
562
563 /*******************************************************************************
564 * Function Name : USART_SendData
565 * Description : Transmits single data through the USARTx peripheral.
566 * Input : - USARTx: Select the USART or the UART peripheral.
567 * This parameter can be one of the following values:
568 * - USART1, USART2, USART3, UART4 or UART5.
569 * - Data: the data to transmit.
570 * Output : None
571 * Return : None
572 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
573 void USART_SendData(USART_TypeDef* USARTx, u16 Data)
574 {
575 /* Check the parameters */
576 assert_param(IS_USART_ALL_PERIPH(USARTx));
577 assert_param(IS_USART_DATA(Data));
578
579 /* Transmit Data */
580 USARTx->DR = (Data & (u16)0x01FF);
\ USART_SendData:
\ 00000000 C905 LSLS R1,R1,#+23
\ 00000002 C90D LSRS R1,R1,#+23
\ 00000004 8180 STRH R1,[R0, #+4]
581 }
\ 00000006 7047 BX LR ;; return
582
583 /*******************************************************************************
584 * Function Name : USART_ReceiveData
585 * Description : Returns the most recent received data by the USARTx peripheral.
586 * Input : - USARTx: Select the USART or the UART peripheral.
587 * This parameter can be one of the following values:
588 * - USART1, USART2, USART3, UART4 or UART5.
589 * Output : None
590 * Return : The received data.
591 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
592 u16 USART_ReceiveData(USART_TypeDef* USARTx)
593 {
594 /* Check the parameters */
595 assert_param(IS_USART_ALL_PERIPH(USARTx));
596
597 /* Receive Data */
598 return (u16)(USARTx->DR & (u16)0x01FF);
\ USART_ReceiveData:
\ 00000000 8088 LDRH R0,[R0, #+4]
\ 00000002 C005 LSLS R0,R0,#+23
\ 00000004 C00D LSRS R0,R0,#+23
\ 00000006 7047 BX LR ;; return
599 }
600
601 /*******************************************************************************
602 * Function Name : USART_SendBreak
603 * Description : Transmits break characters.
604 * Input : - USARTx: Select the USART or the UART peripheral.
605 * This parameter can be one of the following values:
606 * - USART1, USART2, USART3, UART4 or UART5.
607 * Output : None
608 * Return : None
609 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
610 void USART_SendBreak(USART_TypeDef* USARTx)
611 {
612 /* Check the parameters */
613 assert_param(IS_USART_ALL_PERIPH(USARTx));
614
615 /* Send break characters */
616 USARTx->CR1 |= CR1_SBK_Set;
\ USART_SendBreak:
\ 00000000 8189 LDRH R1,[R0, #+12]
\ 00000002 51F00101 ORRS R1,R1,#0x1
\ 00000006 8181 STRH R1,[R0, #+12]
617 }
\ 00000008 7047 BX LR ;; return
618
619 /*******************************************************************************
620 * Function Name : USART_SetGuardTime
621 * Description : Sets the specified USART guard time.
622 * Input : - USARTx: where x can be 1, 2 or 3 to select the USART
623 * peripheral.
624 * Note: The guard time bits are not available for UART4 and UART5.
625 * - USART_GuardTime: specifies the guard time.
626 * Output : None
627 * Return : None
628 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
629 void USART_SetGuardTime(USART_TypeDef* USARTx, u8 USART_GuardTime)
630 {
631 /* Check the parameters */
632 assert_param(IS_USART_123_PERIPH(USARTx));
633
634 /* Clear the USART Guard time */
635 USARTx->GTPR &= GTPR_LSB_Mask;
\ USART_SetGuardTime:
\ 00000000 028B LDRH R2,[R0, #+24]
\ 00000002 D2B2 UXTB R2,R2
\ 00000004 0283 STRH R2,[R0, #+24]
636 /* Set the USART guard time */
637 USARTx->GTPR |= (u16)((u16)USART_GuardTime << 0x08);
\ 00000006 028B LDRH R2,[R0, #+24]
\ 00000008 52EA0121 ORRS R1,R2,R1, LSL #+8
\ 0000000C 0183 STRH R1,[R0, #+24]
638 }
\ 0000000E 7047 BX LR ;; return
639
640 /*******************************************************************************
641 * Function Name : USART_SetPrescaler
642 * Description : Sets the system clock prescaler.
643 * Input : - USARTx: Select the USART or the UART peripheral.
644 * This parameter can be one of the following values:
645 * - USART1, USART2, USART3, UART4 or UART5.
646 * Note: The function is used for IrDA mode with UART4 and UART5.
647 * - USART_Prescaler: specifies the prescaler clock.
648 * Output : None
649 * Return : None
650 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
651 void USART_SetPrescaler(USART_TypeDef* USARTx, u8 USART_Prescaler)
652 {
653 /* Check the parameters */
654 assert_param(IS_USART_ALL_PERIPH(USARTx));
655
656 /* Clear the USART prescaler */
657 USARTx->GTPR &= GTPR_MSB_Mask;
\ USART_SetPrescaler:
\ 00000000 028B LDRH R2,[R0, #+24]
\ 00000002 12F47F42 ANDS R2,R2,#0xFF00
\ 00000006 0283 STRH R2,[R0, #+24]
658 /* Set the USART prescaler */
659 USARTx->GTPR |= USART_Prescaler;
\ 00000008 028B LDRH R2,[R0, #+24]
\ 0000000A 1143 ORRS R1,R1,R2
\ 0000000C 0183 STRH R1,[R0, #+24]
660 }
\ 0000000E 7047 BX LR ;; return
661
662 /*******************************************************************************
663 * Function Name : USART_SmartCardCmd
664 * Description : Enables or disables the USART抯 Smart Card mode.
665 * Input : - USARTx: where x can be 1, 2 or 3 to select the USART
666 * peripheral.
667 * Note: The Smart Card mode is not available for UART4 and UART5.
668 * - NewState: new state of the Smart Card mode.
669 * This parameter can be: ENABLE or DISABLE.
670 * Output : None
671 * Return : None
672 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
673 void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState)
674 {
675 /* Check the parameters */
676 assert_param(I⌨️ 快捷键说明
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