Bootstrap and definition library for programming STM32L100RC in ARM assembler. This was a class project to learn ARM assembly
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

191 lines
14 KiB

9 years ago
;********************************************************************************
; SOUBOR : INI_EXTI.S
9 years ago
; AUTOR : Petr Dousa, Ondrej Hruska
; DATUM : 10/2015
; POPIS : Bitove masky ridicich registru pro EXTI (ext. interrupt)
;
; External Interrupt/Event Controller (EXTI)
;
9 years ago
; Toto je soucast knihovny pro STM32L100 vyvijene na Katedre mereni FEL CVUT.
;********************************************************************************
;****************************************************************************
;*
;* REGISTERS
;*
;****************************************************************************
; External interrupt control registers
EXTI_IMR EQU (_EXTI + 0x00) ; EXTI interrupt mask register,
EXTI_EMR EQU (_EXTI + 0x04) ; EXTI event mask register,
EXTI_RTSR EQU (_EXTI + 0x08) ; EXTI rising edge trigger selection register,
EXTI_FTSR EQU (_EXTI + 0x0C) ; EXTI Falling edge trigger selection register,
EXTI_SWIER EQU (_EXTI + 0x10) ; EXTI software interrupt event register,
EXTI_PR EQU (_EXTI + 0x14) ; EXTI pending register,
9 years ago
;****************************************************************************
;*
;* BIT MASKS AND DEFINITIONS
;*
9 years ago
;****************************************************************************
;****************** Bit definition for EXTI_IMR register ******************
EXTI_IMR_MR0 EQU 0x00000001 ; Interrupt Mask on line 0
EXTI_IMR_MR1 EQU 0x00000002 ; Interrupt Mask on line 1
EXTI_IMR_MR2 EQU 0x00000004 ; Interrupt Mask on line 2
EXTI_IMR_MR3 EQU 0x00000008 ; Interrupt Mask on line 3
EXTI_IMR_MR4 EQU 0x00000010 ; Interrupt Mask on line 4
EXTI_IMR_MR5 EQU 0x00000020 ; Interrupt Mask on line 5
EXTI_IMR_MR6 EQU 0x00000040 ; Interrupt Mask on line 6
EXTI_IMR_MR7 EQU 0x00000080 ; Interrupt Mask on line 7
EXTI_IMR_MR8 EQU 0x00000100 ; Interrupt Mask on line 8
EXTI_IMR_MR9 EQU 0x00000200 ; Interrupt Mask on line 9
EXTI_IMR_MR10 EQU 0x00000400 ; Interrupt Mask on line 10
EXTI_IMR_MR11 EQU 0x00000800 ; Interrupt Mask on line 11
EXTI_IMR_MR12 EQU 0x00001000 ; Interrupt Mask on line 12
EXTI_IMR_MR13 EQU 0x00002000 ; Interrupt Mask on line 13
EXTI_IMR_MR14 EQU 0x00004000 ; Interrupt Mask on line 14
EXTI_IMR_MR15 EQU 0x00008000 ; Interrupt Mask on line 15
EXTI_IMR_MR16 EQU 0x00010000 ; Interrupt Mask on line 16
EXTI_IMR_MR17 EQU 0x00020000 ; Interrupt Mask on line 17
EXTI_IMR_MR18 EQU 0x00040000 ; Interrupt Mask on line 18
EXTI_IMR_MR19 EQU 0x00080000 ; Interrupt Mask on line 19
EXTI_IMR_MR20 EQU 0x00100000 ; Interrupt Mask on line 20
EXTI_IMR_MR21 EQU 0x00200000 ; Interrupt Mask on line 21
EXTI_IMR_MR22 EQU 0x00400000 ; Interrupt Mask on line 22
EXTI_IMR_MR23 EQU 0x00800000 ; Interrupt Mask on line 23
;****************** Bit definition for EXTI_EMR register ******************
EXTI_EMR_MR0 EQU 0x00000001 ; Event Mask on line 0
EXTI_EMR_MR1 EQU 0x00000002 ; Event Mask on line 1
EXTI_EMR_MR2 EQU 0x00000004 ; Event Mask on line 2
EXTI_EMR_MR3 EQU 0x00000008 ; Event Mask on line 3
EXTI_EMR_MR4 EQU 0x00000010 ; Event Mask on line 4
EXTI_EMR_MR5 EQU 0x00000020 ; Event Mask on line 5
EXTI_EMR_MR6 EQU 0x00000040 ; Event Mask on line 6
EXTI_EMR_MR7 EQU 0x00000080 ; Event Mask on line 7
EXTI_EMR_MR8 EQU 0x00000100 ; Event Mask on line 8
EXTI_EMR_MR9 EQU 0x00000200 ; Event Mask on line 9
EXTI_EMR_MR10 EQU 0x00000400 ; Event Mask on line 10
EXTI_EMR_MR11 EQU 0x00000800 ; Event Mask on line 11
EXTI_EMR_MR12 EQU 0x00001000 ; Event Mask on line 12
EXTI_EMR_MR13 EQU 0x00002000 ; Event Mask on line 13
EXTI_EMR_MR14 EQU 0x00004000 ; Event Mask on line 14
EXTI_EMR_MR15 EQU 0x00008000 ; Event Mask on line 15
EXTI_EMR_MR16 EQU 0x00010000 ; Event Mask on line 16
EXTI_EMR_MR17 EQU 0x00020000 ; Event Mask on line 17
EXTI_EMR_MR18 EQU 0x00040000 ; Event Mask on line 18
EXTI_EMR_MR19 EQU 0x00080000 ; Event Mask on line 19
EXTI_EMR_MR20 EQU 0x00100000 ; Event Mask on line 20
EXTI_EMR_MR21 EQU 0x00200000 ; Event Mask on line 21
EXTI_EMR_MR22 EQU 0x00400000 ; Event Mask on line 22
EXTI_EMR_MR23 EQU 0x00800000 ; Event Mask on line 23
;***************** Bit definition for EXTI_RTSR register ******************
EXTI_RTSR_TR0 EQU 0x00000001 ; Rising trigger event configuration bit of line 0
EXTI_RTSR_TR1 EQU 0x00000002 ; Rising trigger event configuration bit of line 1
EXTI_RTSR_TR2 EQU 0x00000004 ; Rising trigger event configuration bit of line 2
EXTI_RTSR_TR3 EQU 0x00000008 ; Rising trigger event configuration bit of line 3
EXTI_RTSR_TR4 EQU 0x00000010 ; Rising trigger event configuration bit of line 4
EXTI_RTSR_TR5 EQU 0x00000020 ; Rising trigger event configuration bit of line 5
EXTI_RTSR_TR6 EQU 0x00000040 ; Rising trigger event configuration bit of line 6
EXTI_RTSR_TR7 EQU 0x00000080 ; Rising trigger event configuration bit of line 7
EXTI_RTSR_TR8 EQU 0x00000100 ; Rising trigger event configuration bit of line 8
EXTI_RTSR_TR9 EQU 0x00000200 ; Rising trigger event configuration bit of line 9
EXTI_RTSR_TR10 EQU 0x00000400 ; Rising trigger event configuration bit of line 10
EXTI_RTSR_TR11 EQU 0x00000800 ; Rising trigger event configuration bit of line 11
EXTI_RTSR_TR12 EQU 0x00001000 ; Rising trigger event configuration bit of line 12
EXTI_RTSR_TR13 EQU 0x00002000 ; Rising trigger event configuration bit of line 13
EXTI_RTSR_TR14 EQU 0x00004000 ; Rising trigger event configuration bit of line 14
EXTI_RTSR_TR15 EQU 0x00008000 ; Rising trigger event configuration bit of line 15
EXTI_RTSR_TR16 EQU 0x00010000 ; Rising trigger event configuration bit of line 16
EXTI_RTSR_TR17 EQU 0x00020000 ; Rising trigger event configuration bit of line 17
EXTI_RTSR_TR18 EQU 0x00040000 ; Rising trigger event configuration bit of line 18
EXTI_RTSR_TR19 EQU 0x00080000 ; Rising trigger event configuration bit of line 19
EXTI_RTSR_TR20 EQU 0x00100000 ; Rising trigger event configuration bit of line 20
EXTI_RTSR_TR21 EQU 0x00200000 ; Rising trigger event configuration bit of line 21
EXTI_RTSR_TR22 EQU 0x00400000 ; Rising trigger event configuration bit of line 22
EXTI_RTSR_TR23 EQU 0x00800000 ; Rising trigger event configuration bit of line 23
;***************** Bit definition for EXTI_FTSR register ******************
EXTI_FTSR_TR0 EQU 0x00000001 ; Falling trigger event configuration bit of line 0
EXTI_FTSR_TR1 EQU 0x00000002 ; Falling trigger event configuration bit of line 1
EXTI_FTSR_TR2 EQU 0x00000004 ; Falling trigger event configuration bit of line 2
EXTI_FTSR_TR3 EQU 0x00000008 ; Falling trigger event configuration bit of line 3
EXTI_FTSR_TR4 EQU 0x00000010 ; Falling trigger event configuration bit of line 4
EXTI_FTSR_TR5 EQU 0x00000020 ; Falling trigger event configuration bit of line 5
EXTI_FTSR_TR6 EQU 0x00000040 ; Falling trigger event configuration bit of line 6
EXTI_FTSR_TR7 EQU 0x00000080 ; Falling trigger event configuration bit of line 7
EXTI_FTSR_TR8 EQU 0x00000100 ; Falling trigger event configuration bit of line 8
EXTI_FTSR_TR9 EQU 0x00000200 ; Falling trigger event configuration bit of line 9
EXTI_FTSR_TR10 EQU 0x00000400 ; Falling trigger event configuration bit of line 10
EXTI_FTSR_TR11 EQU 0x00000800 ; Falling trigger event configuration bit of line 11
EXTI_FTSR_TR12 EQU 0x00001000 ; Falling trigger event configuration bit of line 12
EXTI_FTSR_TR13 EQU 0x00002000 ; Falling trigger event configuration bit of line 13
EXTI_FTSR_TR14 EQU 0x00004000 ; Falling trigger event configuration bit of line 14
EXTI_FTSR_TR15 EQU 0x00008000 ; Falling trigger event configuration bit of line 15
EXTI_FTSR_TR16 EQU 0x00010000 ; Falling trigger event configuration bit of line 16
EXTI_FTSR_TR17 EQU 0x00020000 ; Falling trigger event configuration bit of line 17
EXTI_FTSR_TR18 EQU 0x00040000 ; Falling trigger event configuration bit of line 18
EXTI_FTSR_TR19 EQU 0x00080000 ; Falling trigger event configuration bit of line 19
EXTI_FTSR_TR20 EQU 0x00100000 ; Falling trigger event configuration bit of line 20
EXTI_FTSR_TR21 EQU 0x00200000 ; Falling trigger event configuration bit of line 21
EXTI_FTSR_TR22 EQU 0x00400000 ; Falling trigger event configuration bit of line 22
EXTI_FTSR_TR23 EQU 0x00800000 ; Falling trigger event configuration bit of line 23
;***************** Bit definition for EXTI_SWIER register *****************
EXTI_SWIER_SWIER0 EQU 0x00000001 ; Software Interrupt on line 0
EXTI_SWIER_SWIER1 EQU 0x00000002 ; Software Interrupt on line 1
EXTI_SWIER_SWIER2 EQU 0x00000004 ; Software Interrupt on line 2
EXTI_SWIER_SWIER3 EQU 0x00000008 ; Software Interrupt on line 3
EXTI_SWIER_SWIER4 EQU 0x00000010 ; Software Interrupt on line 4
EXTI_SWIER_SWIER5 EQU 0x00000020 ; Software Interrupt on line 5
EXTI_SWIER_SWIER6 EQU 0x00000040 ; Software Interrupt on line 6
EXTI_SWIER_SWIER7 EQU 0x00000080 ; Software Interrupt on line 7
EXTI_SWIER_SWIER8 EQU 0x00000100 ; Software Interrupt on line 8
EXTI_SWIER_SWIER9 EQU 0x00000200 ; Software Interrupt on line 9
EXTI_SWIER_SWIER10 EQU 0x00000400 ; Software Interrupt on line 10
EXTI_SWIER_SWIER11 EQU 0x00000800 ; Software Interrupt on line 11
EXTI_SWIER_SWIER12 EQU 0x00001000 ; Software Interrupt on line 12
EXTI_SWIER_SWIER13 EQU 0x00002000 ; Software Interrupt on line 13
EXTI_SWIER_SWIER14 EQU 0x00004000 ; Software Interrupt on line 14
EXTI_SWIER_SWIER15 EQU 0x00008000 ; Software Interrupt on line 15
EXTI_SWIER_SWIER16 EQU 0x00010000 ; Software Interrupt on line 16
EXTI_SWIER_SWIER17 EQU 0x00020000 ; Software Interrupt on line 17
EXTI_SWIER_SWIER18 EQU 0x00040000 ; Software Interrupt on line 18
EXTI_SWIER_SWIER19 EQU 0x00080000 ; Software Interrupt on line 19
EXTI_SWIER_SWIER20 EQU 0x00100000 ; Software Interrupt on line 20
EXTI_SWIER_SWIER21 EQU 0x00200000 ; Software Interrupt on line 21
EXTI_SWIER_SWIER22 EQU 0x00400000 ; Software Interrupt on line 22
EXTI_SWIER_SWIER23 EQU 0x00800000 ; Software Interrupt on line 23
;****************** Bit definition for EXTI_PR register *******************
EXTI_PR_PR0 EQU 0x00000001 ; Pending bit 0
EXTI_PR_PR1 EQU 0x00000002 ; Pending bit 1
EXTI_PR_PR2 EQU 0x00000004 ; Pending bit 2
EXTI_PR_PR3 EQU 0x00000008 ; Pending bit 3
EXTI_PR_PR4 EQU 0x00000010 ; Pending bit 4
EXTI_PR_PR5 EQU 0x00000020 ; Pending bit 5
EXTI_PR_PR6 EQU 0x00000040 ; Pending bit 6
EXTI_PR_PR7 EQU 0x00000080 ; Pending bit 7
EXTI_PR_PR8 EQU 0x00000100 ; Pending bit 8
EXTI_PR_PR9 EQU 0x00000200 ; Pending bit 9
EXTI_PR_PR10 EQU 0x00000400 ; Pending bit 10
EXTI_PR_PR11 EQU 0x00000800 ; Pending bit 11
EXTI_PR_PR12 EQU 0x00001000 ; Pending bit 12
EXTI_PR_PR13 EQU 0x00002000 ; Pending bit 13
EXTI_PR_PR14 EQU 0x00004000 ; Pending bit 14
EXTI_PR_PR15 EQU 0x00008000 ; Pending bit 15
EXTI_PR_PR16 EQU 0x00010000 ; Pending bit 16
EXTI_PR_PR17 EQU 0x00020000 ; Pending bit 17
EXTI_PR_PR18 EQU 0x00040000 ; Pending bit 18
EXTI_PR_PR19 EQU 0x00080000 ; Pending bit 19
EXTI_PR_PR20 EQU 0x00100000 ; Pending bit 20
EXTI_PR_PR21 EQU 0x00200000 ; Pending bit 21
EXTI_PR_PR22 EQU 0x00400000 ; Pending bit 22
EXTI_PR_PR23 EQU 0x00800000 ; Pending bit 23
END