📄 stm32f10x_tim1.lst
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832 * - TIM1_IT_Update: TIM1 update Interrupt source
833 * - TIM1_IT_CC1: TIM1 Capture Compare 1 Interrupt source
834 * - TIM1_IT_CC2: TIM1 Capture Compare 2 Interrupt source
835 * - TIM1_IT_CC3: TIM1 Capture Compare 3 Interrupt source
836 * - TIM1_IT_CC4: TIM1 Capture Compare 4 Interrupt source
837 * - TIM1_IT_CCUpdate: TIM1 Capture Compare Update Interrupt
838 * source
839 * - TIM1_IT_Trigger: TIM1 Trigger Interrupt source
840 * - TIM1_IT_Break: TIM1 Break Interrupt source
841 * - Newstate: new state of the TIM1 interrupts.
842 * This parameter can be: ENABLE or DISABLE.
843 * Output : None
844 * Return : None
845 *******************************************************************************/
846 void TIM1_ITConfig(u16 TIM1_IT, FunctionalState NewState)
847 {
848 /* Check the parameters */
849 assert(IS_TIM1_IT(TIM1_IT));
850 assert(IS_FUNCTIONAL_STATE(NewState));
851
852 if (NewState == ENABLE)
853 {
854 /* Enable the Interrupt sources */
855 TIM1->DIER |= TIM1_IT;
856 }
857 else
858 {
859 /* Disable the Interrupt sources */
860 TIM1->DIER &= (u16)~TIM1_IT;
861 }
862 }
863
864 /*******************************************************************************
865 * Function Name : TIM1_DMAConfig
866 * Description : Configures the TIM1抯 DMA interface.
867 * Input : - TIM1_DMABase: DMA Base address.
868 * This parameter can be one of the following values:
869 * - TIM1_DMABase_CR1, TIM1_DMABase_CR2, TIM1_DMABase_SMCR,
870 * TIM1_DMABase_DIER, TIM1_DMABase_SR, TIM1_DMABase_EGR,
871 * TIM1_DMABase_CCMR1, TIM1_DMABase_CCMR2, TIM1_DMABase_CCER,
872 * TIM1_DMABase_CNT, TIM1_DMABase_PSC, TIM1_DMABase_ARR,
873 * TIM1_DMABase_RCR, TIM1_DMABase_CCR1, TIM1_DMABase_CCR2,
874 * TIM1_DMABase_CCR3, TIM1_DMABase_CCR4, TIM1_DMABase_BDTR,
875 * TIM1_DMABase_DCR.
876 * - TIM1_DMABurstLength: DMA Burst length.
877 * This parameter can be one value between:
878 * TIM1_DMABurstLength_1Byte and TIM1_DMABurstLength_18Bytes.
879 * Output : None
880 * Return : None
881 *******************************************************************************/
882 void TIM1_DMAConfig(u16 TIM1_DMABase, u16 TIM1_DMABurstLength)
883 {
884 u32 tmpdcr = 0;
885
886 /* Check the parameters */
887 assert(IS_TIM1_DMA_BASE(TIM1_DMABase));
888 assert(IS_TIM1_DMA_LENGTH(TIM1_DMABurstLength));
889
890 tmpdcr = TIM1->DCR;
891
892 /* Reset the DBA and the DBL Bits */
893 tmpdcr &= DCR_DMA_Mask;
894
895 /* Set the DMA Base and the DMA Burst Length */
896 tmpdcr |= TIM1_DMABase | TIM1_DMABurstLength;
897
898 TIM1->DCR = (u16)tmpdcr;
899 }
900
901 /*******************************************************************************
902 * Function Name : TIM1_DMACmd
903 * Description : Enables or disables the TIM1抯 DMA Requests.
904 * Input : - TIM1_DMASources: specifies the DMA Request sources.
905 * This parameter can be any combination of the following values:
906 * - TIM1_DMA_Update: TIM1 update Interrupt source
907 * - TIM1_DMA_CC1: TIM1 Capture Compare 1 DMA source
908 * - TIM1_DMA_CC2: TIM1 Capture Compare 2 DMA source
909 * - TIM1_DMA_CC3: TIM1 Capture Compare 3 DMA source
910 * - TIM1_DMA_CC4: TIM1 Capture Compare 4 DMA source
911 * - TIM1_DMA_COM: TIM1 Capture Compare Update DMA
912 * source
913 * - TIM1_DMA_Trigger: TIM1 Trigger DMA source
914 * - Newstate: new state of the DMA Request sources.
915 * This parameter can be: ENABLE or DISABLE.
916 * Output : None
917 * Return : None
918 *******************************************************************************/
919 void TIM1_DMACmd(u16 TIM1_DMASource, FunctionalState Newstate)
920 {
921 u32 tmpdier = 0;
922
923 /* Check the parameters */
924 assert(IS_TIM1_DMA_SOURCE(TIM1_DMASource));
925 assert(IS_FUNCTIONAL_STATE(Newstate));
926
927 tmpdier = TIM1->DIER;
928
929 if (Newstate == ENABLE)
930 {
931 /* Enable the DMA sources */
932 tmpdier |= TIM1_DMASource;
933 }
934 else
935 {
936 /* Disable the DMA sources */
937 tmpdier &= (u16)~TIM1_DMASource;
938 }
939 TIM1->DIER = (u16)tmpdier;
940 }
941
942 /*******************************************************************************
943 * Function Name : TIM1_InternalClockConfig
944 * Description : Configures the TIM1 interrnal Clock
945 * Input : None
946 * Output : None
947 * Return : None
948 *******************************************************************************/
949 void TIM1_InternalClockConfig(void)
950 {
951 /* Disable slave mode to clock the prescaler directly with the internal clock */
952 TIM1->SMCR &= SMCR_SMS_Mask;
953 }
954 /*******************************************************************************
955 * Function Name : TIM1_ETRClockMode1Config
956 * Description : Configures the TIM1 External clock Mode1
957 * Input : - TIM1_ExtTRGPrescaler: The external Trigger Prescaler.
958 * It can be one of the following values:
959 * - TIM1_ExtTRGPSC_OFF
960 * - TIM1_ExtTRGPSC_DIV2
961 * - TIM1_ExtTRGPSC_DIV4
962 * - TIM1_ExtTRGPSC_DIV8.
963 * - TIM1_ExtTRGPolarity: The external Trigger Polarity.
964 * It can be one of the following values:
965 * - TIM1_ExtTRGPolarity_Inverted
966 * - TIM1_ExtTRGPolarity_NonInverted
967 * - ExtTRGFilter: External Trigger Filter.
968 * This parameter must be a value between 0x00 and 0x0F
969 * Output : None
970 * Return : None
971 *******************************************************************************/
972 void TIM1_ETRClockMode1Config(u16 TIM1_ExtTRGPrescaler, u16 TIM1_ExtTRGPolarity,
973 u16 ExtTRGFilter)
974 {
975 /* Check the parameters */
976 assert(IS_TIM1_EXT_PRESCALER(TIM1_ExtTRGPrescaler));
977 assert(IS_TIM1_EXT_POLARITY(TIM1_ExtTRGPolarity));
978
979 /* Configure the ETR Clock source */
980 TIM1_ETRConfig(TIM1_ExtTRGPrescaler, TIM1_ExtTRGPolarity, ExtTRGFilter);
981
982 /* Select the External clock mode1 */
983 TIM1->SMCR &= SMCR_SMS_Mask;
984 TIM1->SMCR |= TIM1_SlaveMode_External1;
985
986 /* Select the Trigger selection : ETRF */
987 TIM1->SMCR &= SMCR_TS_Mask;
988 TIM1->SMCR |= TIM1_TS_ETRF;
989 }
990
991 /*******************************************************************************
992 * Function Name : TIM1_ETRClockMode2Config
993 * Description : Configures the TIM1 External clock Mode2
994 * Input : - TIM1_ExtTRGPrescaler: The external Trigger Prescaler.
995 * It can be one of the following values:
996 * - TIM1_ExtTRGPSC_OFF
997 * - TIM1_ExtTRGPSC_DIV2
998 * - TIM1_ExtTRGPSC_DIV4
999 * - TIM1_ExtTRGPSC_DIV8
1000 * - TIM1_ExtTRGPolarity: The external Trigger Polarity.
1001 * It can be one of the following values:
1002 * - TIM1_ExtTRGPolarity_Inverted
1003 * - TIM1_ExtTRGPolarity_NonInverted
1004 * - ExtTRGFilter: External Trigger Filter.
1005 * This parameter must be a value between 0x00 and 0x0F
1006 * Output : None
1007 * Return : None
1008 *******************************************************************************/
1009 void TIM1_ETRClockMode2Config(u16 TIM1_ExtTRGPrescaler, u16 TIM1_ExtTRGPolarity,
1010 u16 ExtTRGFilter)
1011 {
1012 /* Check the parameters */
1013 assert(IS_TIM1_EXT_PRESCALER(TIM1_ExtTRGPrescaler));
1014 assert(IS_TIM1_EXT_POLARITY(TIM1_ExtTRGPolarity));
1015
1016 /* Configure the ETR Clock source */
1017 TIM1_ETRConfig(TIM1_ExtTRGPrescaler, TIM1_ExtTRGPolarity, ExtTRGFilter);
1018
1019 /* Enable the External clock mode2 */
1020 *(vu32 *) SMCR_ECE_BB = SMCR_ECE_Set;
1021 }
1022
1023 /*******************************************************************************
1024 * Function Name : TIM1_ETRConfig
1025 * Description : Configures the TIM1 External Trigger (ETR).
1026 * Input : - TIM1_ExtTRGPrescaler: The external Trigger Prescaler.
1027 * This parameter can be one of the following values:
1028 * - TIM1_ExtTRGPSC_OFF
1029 * - TIM1_ExtTRGPSC_DIV2
1030 * - TIM1_ExtTRGPSC_DIV4
1031 * - TIM1_ExtTRGPSC_DIV8
1032 * - TIM1_ExtTRGPolarity: The external Trigger Polarity.
1033 * This parameter can be one of the following values:
1034 * - TIM1_ExtTRGPolarity_Inverted
1035 * - TIM1_ExtTRGPolarity_NonInverted
1036 * - ExtTRGFilter: External Trigger Filter.
1037 * This parameter must be a value between 0x00 and 0x0F.
1038 * Output : None
1039 * Return : None
1040 *******************************************************************************/
1041 void TIM1_ETRConfig(u16 TIM1_ExtTRGPrescaler, u16 TIM1_ExtTRGPolarity,
1042 u16 ExtTRGFilter)
1043 {
1044 u32 tmpsmcr = 0;
1045
1046 tmpsmcr = TIM1->SMCR;
1047
1048 /* Set the Prescaler, the Filter value and the Polarity */
1049 tmpsmcr &= SMCR_ETR_Mask;
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