Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TOOLCHAIN_IAR/cmain.S@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**************************************************
<> 144:ef7eb2e8f9f7 2 *
<> 144:ef7eb2e8f9f7 3 * Part two of the system initialization code, contains C-level
<> 144:ef7eb2e8f9f7 4 * initialization, thumb-2 only variant.
<> 144:ef7eb2e8f9f7 5 *
<> 144:ef7eb2e8f9f7 6 * Copyright 2006 IAR Systems. All rights reserved.
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * $Revision: 59783 $
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 **************************************************/
<> 144:ef7eb2e8f9f7 11
<> 144:ef7eb2e8f9f7 12
<> 144:ef7eb2e8f9f7 13 ; --------------------------------------------------
<> 144:ef7eb2e8f9f7 14 ; Module ?cmain, C-level initialization.
<> 144:ef7eb2e8f9f7 15 ;
<> 144:ef7eb2e8f9f7 16
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 SECTION SHT$$PREINIT_ARRAY:CONST:NOROOT(2)
<> 144:ef7eb2e8f9f7 19 SECTION SHT$$INIT_ARRAY:CONST:NOROOT(2)
<> 144:ef7eb2e8f9f7 20
<> 144:ef7eb2e8f9f7 21 SECTION .text:CODE:NOROOT(2)
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 PUBLIC __cmain
<> 144:ef7eb2e8f9f7 24 ;; Keep ?main for legacy reasons, it is accessed in countless instances of cstartup.s around the world...
<> 144:ef7eb2e8f9f7 25 PUBLIC ?main
<> 144:ef7eb2e8f9f7 26 EXTWEAK __iar_data_init3
<> 144:ef7eb2e8f9f7 27 EXTWEAK __iar_argc_argv
<> 144:ef7eb2e8f9f7 28 EXTERN __low_level_init
<> 144:ef7eb2e8f9f7 29 EXTERN __call_ctors
<> 144:ef7eb2e8f9f7 30 EXTERN main
<> 144:ef7eb2e8f9f7 31 EXTERN exit
<> 144:ef7eb2e8f9f7 32 EXTERN __iar_dynamic_initialization
<> 144:ef7eb2e8f9f7 33 EXTERN mbed_sdk_init
<> 144:ef7eb2e8f9f7 34 EXTERN SystemInit
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 THUMB
<> 144:ef7eb2e8f9f7 37 __cmain:
<> 144:ef7eb2e8f9f7 38 ?main:
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 ; Initialize segments.
<> 144:ef7eb2e8f9f7 41 ; __segment_init and __low_level_init are assumed to use the same
<> 144:ef7eb2e8f9f7 42 ; instruction set and to be reachable by BL from the ICODE segment
<> 144:ef7eb2e8f9f7 43 ; (it is safest to link them in segment ICODE).
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 FUNCALL __cmain, __low_level_init
<> 144:ef7eb2e8f9f7 46 bl __low_level_init
<> 144:ef7eb2e8f9f7 47 cmp r0,#0
<> 144:ef7eb2e8f9f7 48 beq ?l1
<> 144:ef7eb2e8f9f7 49 FUNCALL __cmain, __iar_data_init3
<> 144:ef7eb2e8f9f7 50 bl __iar_data_init3
<> 144:ef7eb2e8f9f7 51 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 52 FUNCALL __cmain, mbed_sdk_init
<> 144:ef7eb2e8f9f7 53 BL mbed_sdk_init
<> 144:ef7eb2e8f9f7 54 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 55 FUNCALL __cmain, __iar_dynamic_initialization
<> 144:ef7eb2e8f9f7 56 BL __iar_dynamic_initialization ; C++ dynamic initialization
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 ?l1:
<> 144:ef7eb2e8f9f7 59 REQUIRE ?l3
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 SECTION .text:CODE:NOROOT(2)
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 PUBLIC _main
<> 144:ef7eb2e8f9f7 64 PUBLIC _call_main
<> 144:ef7eb2e8f9f7 65 THUMB
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 __iar_init$$done: ; Copy initialization is done
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 ?l3:
<> 144:ef7eb2e8f9f7 70 _call_main:
<> 144:ef7eb2e8f9f7 71 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 72 FUNCALL __cmain, __iar_argc_argv
<> 144:ef7eb2e8f9f7 73 BL __iar_argc_argv ; Maybe setup command line
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 FUNCALL __cmain, main
<> 144:ef7eb2e8f9f7 76 BL main
<> 144:ef7eb2e8f9f7 77 _main:
<> 144:ef7eb2e8f9f7 78 FUNCALL __cmain, exit
<> 144:ef7eb2e8f9f7 79 BL exit
<> 144:ef7eb2e8f9f7 80
<> 144:ef7eb2e8f9f7 81 END