📄 stm32f10x_tim1.lst
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850 TIM1->DIER |= TIM1_IT;
851 }
852 else
853 {
854 /* Disable the Interrupt sources */
855 TIM1->DIER &= (u16)~TIM1_IT;
856 }
857 }
858
859 /*******************************************************************************
860 * Function Name : TIM1_DMAConfig
861 * Description : Configures the TIM1抯 DMA interface.
862 * Input : - TIM1_DMABase: DMA Base address.
863 * This parameter can be one of the following values:
864 * - TIM1_DMABase_CR1, TIM1_DMABase_CR2, TIM1_DMABase_SMCR,
865 * TIM1_DMABase_DIER, TIM1_DMABase_SR, TIM1_DMABase_EGR,
866 * TIM1_DMABase_CCMR1, TIM1_DMABase_CCMR2, TIM1_DMABase_CCER,
867 * TIM1_DMABase_CNT, TIM1_DMABase_PSC, TIM1_DMABase_ARR,
868 * TIM1_DMABase_RCR, TIM1_DMABase_CCR1, TIM1_DMABase_CCR2,
869 * TIM1_DMABase_CCR3, TIM1_DMABase_CCR4, TIM1_DMABase_BDTR,
870 * TIM1_DMABase_DCR.
871 * - TIM1_DMABurstLength: DMA Burst length.
872 * This parameter can be one value between:
873 * TIM1_DMABurstLength_1Byte and TIM1_DMABurstLength_18Bytes.
874 * Output : None
875 * Return : None
876 *******************************************************************************/
877 void TIM1_DMAConfig(u16 TIM1_DMABase, u16 TIM1_DMABurstLength)
878 {
879 u32 tmpdcr = 0;
880
881 /* Check the parameters */
882 assert_param(IS_TIM1_DMA_BASE(TIM1_DMABase));
883 assert_param(IS_TIM1_DMA_LENGTH(TIM1_DMABurstLength));
884
885 tmpdcr = TIM1->DCR;
886
887 /* Reset the DBA and the DBL Bits */
888 tmpdcr &= DCR_DMA_Mask;
889
890 /* Set the DMA Base and the DMA Burst Length */
891 tmpdcr |= TIM1_DMABase | TIM1_DMABurstLength;
892
893 TIM1->DCR = (u16)tmpdcr;
894 }
895
896 /*******************************************************************************
897 * Function Name : TIM1_DMACmd
898 * Description : Enables or disables the TIM1抯 DMA Requests.
899 * Input : - TIM1_DMASources: specifies the DMA Request sources.
900 * This parameter can be any combination of the following values:
901 * - TIM1_DMA_Update: TIM1 update Interrupt source
902 * - TIM1_DMA_CC1: TIM1 Capture Compare 1 DMA source
903 * - TIM1_DMA_CC2: TIM1 Capture Compare 2 DMA source
904 * - TIM1_DMA_CC3: TIM1 Capture Compare 3 DMA source
905 * - TIM1_DMA_CC4: TIM1 Capture Compare 4 DMA source
906 * - TIM1_DMA_COM: TIM1 Capture Compare Update DMA
907 * source
908 * - TIM1_DMA_Trigger: TIM1 Trigger DMA source
909 * - Newstate: new state of the DMA Request sources.
910 * This parameter can be: ENABLE or DISABLE.
911 * Output : None
912 * Return : None
913 *******************************************************************************/
914 void TIM1_DMACmd(u16 TIM1_DMASource, FunctionalState Newstate)
915 {
916 u32 tmpdier = 0;
917
918 /* Check the parameters */
919 assert_param(IS_TIM1_DMA_SOURCE(TIM1_DMASource));
920 assert_param(IS_FUNCTIONAL_STATE(Newstate));
921
922 tmpdier = TIM1->DIER;
923
924 if (Newstate == ENABLE)
925 {
926 /* Enable the DMA sources */
927 tmpdier |= TIM1_DMASource;
928 }
929 else
930 {
931 /* Disable the DMA sources */
932 tmpdier &= (u16)~TIM1_DMASource;
933 }
934 TIM1->DIER = (u16)tmpdier;
935 }
936
937 /*******************************************************************************
938 * Function Name : TIM1_InternalClockConfig
939 * Description : Configures the TIM1 interrnal Clock
940 * Input : None
941 * Output : None
942 * Return : None
943 *******************************************************************************/
944 void TIM1_InternalClockConfig(void)
945 {
946 /* Disable slave mode to clock the prescaler directly with the internal clock */
947 TIM1->SMCR &= SMCR_SMS_Mask;
948 }
949 /*******************************************************************************
950 * Function Name : TIM1_ETRClockMode1Config
951 * Description : Configures the TIM1 External clock Mode1
952 * Input : - TIM1_ExtTRGPrescaler: The external Trigger Prescaler.
953 * It can be one of the following values:
954 * - TIM1_ExtTRGPSC_OFF
955 * - TIM1_ExtTRGPSC_DIV2
956 * - TIM1_ExtTRGPSC_DIV4
957 * - TIM1_ExtTRGPSC_DIV8.
958 * - TIM1_ExtTRGPolarity: The external Trigger Polarity.
959 * It can be one of the following values:
960 * - TIM1_ExtTRGPolarity_Inverted
961 * - TIM1_ExtTRGPolarity_NonInverted
962 * - ExtTRGFilter: External Trigger Filter.
963 * This parameter must be a value between 0x00 and 0x0F
964 * Output : None
965 * Return : None
966 *******************************************************************************/
967 void TIM1_ETRClockMode1Config(u16 TIM1_ExtTRGPrescaler, u16 TIM1_ExtTRGPolarity,
968 u16 ExtTRGFilter)
969 {
970 /* Check the parameters */
971 assert_param(IS_TIM1_EXT_PRESCALER(TIM1_ExtTRGPrescaler));
972 assert_param(IS_TIM1_EXT_POLARITY(TIM1_ExtTRGPolarity));
973
974 /* Configure the ETR Clock source */
975 TIM1_ETRConfig(TIM1_ExtTRGPrescaler, TIM1_ExtTRGPolarity, ExtTRGFilter);
976
977 /* Select the External clock mode1 */
978 TIM1->SMCR &= SMCR_SMS_Mask;
979 TIM1->SMCR |= TIM1_SlaveMode_External1;
980
981 /* Select the Trigger selection : ETRF */
982 TIM1->SMCR &= SMCR_TS_Mask;
983 TIM1->SMCR |= TIM1_TS_ETRF;
984 }
985
986 /*******************************************************************************
987 * Function Name : TIM1_ETRClockMode2Config
988 * Description : Configures the TIM1 External clock Mode2
989 * Input : - TIM1_ExtTRGPrescaler: The external Trigger Prescaler.
990 * It can be one of the following values:
991 * - TIM1_ExtTRGPSC_OFF
992 * - TIM1_ExtTRGPSC_DIV2
993 * - TIM1_ExtTRGPSC_DIV4
994 * - TIM1_ExtTRGPSC_DIV8
995 * - TIM1_ExtTRGPolarity: The external Trigger Polarity.
996 * It can be one of the following values:
997 * - TIM1_ExtTRGPolarity_Inverted
998 * - TIM1_ExtTRGPolarity_NonInverted
999 * - ExtTRGFilter: External Trigger Filter.
1000 * This parameter must be a value between 0x00 and 0x0F
1001 * Output : None
1002 * Return : None
1003 *******************************************************************************/
1004 void TIM1_ETRClockMode2Config(u16 TIM1_ExtTRGPrescaler, u16 TIM1_ExtTRGPolarity,
1005 u16 ExtTRGFilter)
1006 {
1007 /* Check the parameters */
1008 assert_param(IS_TIM1_EXT_PRESCALER(TIM1_ExtTRGPrescaler));
1009 assert_param(IS_TIM1_EXT_POLARITY(TIM1_ExtTRGPolarity));
1010
1011 /* Configure the ETR Clock source */
1012 TIM1_ETRConfig(TIM1_ExtTRGPrescaler, TIM1_ExtTRGPolarity, ExtTRGFilter);
1013
1014 /* Enable the External clock mode2 */
1015 *(vu32 *) SMCR_ECE_BB = SMCR_ECE_Set;
1016 }
1017
1018 /*******************************************************************************
1019 * Function Name : TIM1_ETRConfig
1020 * Description : Configures the TIM1 External Trigger (ETR).
1021 * Input : - TIM1_ExtTRGPrescaler: The external Trigger Prescaler.
1022 * This parameter can be one of the following values:
1023 * - TIM1_ExtTRGPSC_OFF
1024 * - TIM1_ExtTRGPSC_DIV2
1025 * - TIM1_ExtTRGPSC_DIV4
1026 * - TIM1_ExtTRGPSC_DIV8
1027 * - TIM1_ExtTRGPolarity: The external Trigger Polarity.
1028 * This parameter can be one of the following values:
1029 * - TIM1_ExtTRGPolarity_Inverted
1030 * - TIM1_ExtTRGPolarity_NonInverted
1031 * - ExtTRGFilter: External Trigger Filter.
1032 * This parameter must be a value between 0x00 and 0x0F.
1033 * Output : None
1034 * Return : None
1035 *******************************************************************************/
1036 void TIM1_ETRConfig(u16 TIM1_ExtTRGPrescaler, u16 TIM1_ExtTRGPolarity,
1037 u16 ExtTRGFilter)
1038 {
1039 u32 tmpsmcr = 0;
1040
1041 tmpsmcr = TIM1->SMCR;
1042
1043 /* Set the Prescaler, the Filter value and the Polarity */
1044 tmpsmcr &= SMCR_ETR_Mask;
1045 tmpsmcr |= TIM1_ExtTRGPrescaler | TIM1_ExtTRGPolarity | (u16)((u16)ExtTRGFilter << 8);
1046
1047 TIM1->SMCR = (u16)tmpsmcr;
1048 }
1049
1050 /*******************************************************************************
1051 * Function Name : TIM1_ITRxExternalClockConfig
1052 * Description : Configures the TIM1 Internal Trigger as External Clock
1053 * Input : - TIM1_ITRSource: Internal Trigger source.
1054 * This parameter can be one of the following values:
1055 * - TIM1_TS_ITR0: Internal Trigger 0
1056 * - TIM1_TS_ITR1: Internal Trigger 1
1057 * - TIM1_TS_ITR2: Internal Trigger 2
1058 * - TIM1_TS_ITR3: Internal Trigger 3
1059 * Output : None
1060 * Return : None
1061 *******************************************************************************/
1062 void TIM1_ITRxExternalClockConfig(u16 TIM1_InputTriggerSource)
1063 {
1064 /* Check the parameters */
1065 assert_param(IS_TIM1_INTERNAL_TRIGGER_SELECTION(TIM1_InputTriggerSource));
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