Sizhe Lin / Mbed 2 deprecated missile_command_Sizhe_Lin

ECE2035 class project

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed wave_player

Fork of missile_command by ECE 2035 TA

segment_display/segment_driver.s@5:3f356592ee9c, 2014-11-17 (annotated)

Committer:
slin77
Date:
Mon Nov 17 21:23:02 2014 +0000
Revision:
5:3f356592ee9c
Parent:
0:532cb55d6136 
add big_shoot

Who changed what in which revision?

UserRevisionLine numberNew contents of line
arvahsu 0:532cb55d6136 1 AREA segment_driver, CODE, READONLY
arvahsu 0:532cb55d6136 2 ;--------------------OVERVIEW------------------------
arvahsu 0:532cb55d6136 3 ; This file contains ARM Assembly language functions to
arvahsu 0:532cb55d6136 4 ; drive a 7-segment LED Display (Kingbright SA03-11HDB).
arvahsu 0:532cb55d6136 5 ; This library uses a switch statement on the input
arvahsu 0:532cb55d6136 6 ; register (R0) to set or clear each corresponding lead
arvahsu 0:532cb55d6136 7 ; of the display. NOTE: The 7 Segments of the LED display
arvahsu 0:532cb55d6136 8 ; must be connected to pins p11 - p17 of the mbed digital
arvahsu 0:532cb55d6136 9 ; I/O. For further help with understanding this file,
arvahsu 0:532cb55d6136 10 ; please refer to files:
arvahsu 0:532cb55d6136 11 ; dig_in.s
arvahsu 0:532cb55d6136 12 ; dig_out.s
arvahsu 0:532cb55d6136 13 ;------------------------------------------------------
arvahsu 0:532cb55d6136 14 ; Import function locations so that C compiler can find it and link
arvahsu 0:532cb55d6136 15 IMPORT dig_out_P11
arvahsu 0:532cb55d6136 16 IMPORT P11_write
arvahsu 0:532cb55d6136 17 IMPORT dig_out_P12
arvahsu 0:532cb55d6136 18 IMPORT P12_write
arvahsu 0:532cb55d6136 19 IMPORT dig_out_P13
arvahsu 0:532cb55d6136 20 IMPORT P13_write
arvahsu 0:532cb55d6136 21 IMPORT dig_out_P14
arvahsu 0:532cb55d6136 22 IMPORT P14_write
arvahsu 0:532cb55d6136 23 IMPORT dig_out_P15
arvahsu 0:532cb55d6136 24 IMPORT P15_write
arvahsu 0:532cb55d6136 25 IMPORT dig_out_P16
arvahsu 0:532cb55d6136 26 IMPORT P16_write
arvahsu 0:532cb55d6136 27 IMPORT dig_out_P17
arvahsu 0:532cb55d6136 28 IMPORT P17_write
arvahsu 0:532cb55d6136 29 ; Export function location so that C compiler can find it and link
arvahsu 0:532cb55d6136 30 EXPORT seg_driver_initialize
arvahsu 0:532cb55d6136 31 seg_driver_initialize ;CLEAR DISPLAY
arvahsu 0:532cb55d6136 32 PUSH {LR}
arvahsu 0:532cb55d6136 33 BL dig_out_P11
arvahsu 0:532cb55d6136 34 BL dig_out_P12
arvahsu 0:532cb55d6136 35 BL dig_out_P13
arvahsu 0:532cb55d6136 36 BL dig_out_P14
arvahsu 0:532cb55d6136 37 BL dig_out_P15
arvahsu 0:532cb55d6136 38 BL dig_out_P16
arvahsu 0:532cb55d6136 39 BL dig_out_P17
arvahsu 0:532cb55d6136 40 MOV R0,#1
arvahsu 0:532cb55d6136 41 BL P11_write
arvahsu 0:532cb55d6136 42 BL P12_write
arvahsu 0:532cb55d6136 43 BL P13_write
arvahsu 0:532cb55d6136 44 BL P14_write
arvahsu 0:532cb55d6136 45 BL P15_write
arvahsu 0:532cb55d6136 46 BL P16_write
arvahsu 0:532cb55d6136 47 BL P17_write
arvahsu 0:532cb55d6136 48 POP {LR}
arvahsu 0:532cb55d6136 49 BX LR
arvahsu 0:532cb55d6136 50
arvahsu 0:532cb55d6136 51 ; Export function location so that C compiler can find it and link
arvahsu 0:532cb55d6136 52 EXPORT seg_driver
arvahsu 0:532cb55d6136 53 seg_driver ;SWITCH STATEMENT
arvahsu 0:532cb55d6136 54 PUSH {LR}
arvahsu 0:532cb55d6136 55 ADR R2,switchpool
arvahsu 0:532cb55d6136 56 LDR PC,[R2,R0,LSL #2]
arvahsu 0:532cb55d6136 57 ALIGN
arvahsu 0:532cb55d6136 58 switchpool
arvahsu 0:532cb55d6136 59 DCD case0
arvahsu 0:532cb55d6136 60 DCD case1
arvahsu 0:532cb55d6136 61 DCD case2
arvahsu 0:532cb55d6136 62 DCD case3
arvahsu 0:532cb55d6136 63 DCD case4
arvahsu 0:532cb55d6136 64 DCD case5
arvahsu 0:532cb55d6136 65 DCD case6
arvahsu 0:532cb55d6136 66 DCD case7
arvahsu 0:532cb55d6136 67 DCD case8
arvahsu 0:532cb55d6136 68 DCD case9
arvahsu 0:532cb55d6136 69 case0
arvahsu 0:532cb55d6136 70 MOV R0,#0
arvahsu 0:532cb55d6136 71 BL P11_write
arvahsu 0:532cb55d6136 72 BL P12_write
arvahsu 0:532cb55d6136 73 BL P13_write
arvahsu 0:532cb55d6136 74 BL P14_write
arvahsu 0:532cb55d6136 75 BL P15_write
arvahsu 0:532cb55d6136 76 BL P16_write
arvahsu 0:532cb55d6136 77 MOV R0,#1
arvahsu 0:532cb55d6136 78 BL P17_write
arvahsu 0:532cb55d6136 79 B end
arvahsu 0:532cb55d6136 80 case1
arvahsu 0:532cb55d6136 81 MOV R0,#0
arvahsu 0:532cb55d6136 82 BL P12_write
arvahsu 0:532cb55d6136 83 BL P13_write
arvahsu 0:532cb55d6136 84 MOV R0,#1
arvahsu 0:532cb55d6136 85 BL P11_write
arvahsu 0:532cb55d6136 86 BL P14_write
arvahsu 0:532cb55d6136 87 BL P15_write
arvahsu 0:532cb55d6136 88 BL P16_write
arvahsu 0:532cb55d6136 89 BL P17_write
arvahsu 0:532cb55d6136 90 B end
arvahsu 0:532cb55d6136 91 case2
arvahsu 0:532cb55d6136 92 MOV R0,#0
arvahsu 0:532cb55d6136 93 BL P11_write
arvahsu 0:532cb55d6136 94 BL P12_write
arvahsu 0:532cb55d6136 95 BL P14_write
arvahsu 0:532cb55d6136 96 BL P15_write
arvahsu 0:532cb55d6136 97 BL P17_write
arvahsu 0:532cb55d6136 98 MOV R0,#1
arvahsu 0:532cb55d6136 99 BL P13_write
arvahsu 0:532cb55d6136 100 BL P16_write
arvahsu 0:532cb55d6136 101 B end
arvahsu 0:532cb55d6136 102 case3
arvahsu 0:532cb55d6136 103 MOV R0,#0
arvahsu 0:532cb55d6136 104 BL P11_write
arvahsu 0:532cb55d6136 105 BL P12_write
arvahsu 0:532cb55d6136 106 BL P13_write
arvahsu 0:532cb55d6136 107 BL P14_write
arvahsu 0:532cb55d6136 108 BL P17_write
arvahsu 0:532cb55d6136 109 MOV R0,#1
arvahsu 0:532cb55d6136 110 BL P15_write
arvahsu 0:532cb55d6136 111 BL P16_write
arvahsu 0:532cb55d6136 112 B end
arvahsu 0:532cb55d6136 113 case4
arvahsu 0:532cb55d6136 114 MOV R0,#0
arvahsu 0:532cb55d6136 115 BL P12_write
arvahsu 0:532cb55d6136 116 BL P13_write
arvahsu 0:532cb55d6136 117 BL P16_write
arvahsu 0:532cb55d6136 118 BL P17_write
arvahsu 0:532cb55d6136 119 MOV R0,#1
arvahsu 0:532cb55d6136 120 BL P11_write
arvahsu 0:532cb55d6136 121 BL P14_write
arvahsu 0:532cb55d6136 122 BL P15_write
arvahsu 0:532cb55d6136 123 B end
arvahsu 0:532cb55d6136 124 case5
arvahsu 0:532cb55d6136 125 MOV R0,#0
arvahsu 0:532cb55d6136 126 BL P11_write
arvahsu 0:532cb55d6136 127 BL P13_write
arvahsu 0:532cb55d6136 128 BL P14_write
arvahsu 0:532cb55d6136 129 BL P16_write
arvahsu 0:532cb55d6136 130 BL P17_write
arvahsu 0:532cb55d6136 131 MOV R0,#1
arvahsu 0:532cb55d6136 132 BL P12_write
arvahsu 0:532cb55d6136 133 BL P15_write
arvahsu 0:532cb55d6136 134 B end
arvahsu 0:532cb55d6136 135 case6
arvahsu 0:532cb55d6136 136 MOV R0,#0
arvahsu 0:532cb55d6136 137 BL P11_write
arvahsu 0:532cb55d6136 138 BL P13_write
arvahsu 0:532cb55d6136 139 BL P14_write
arvahsu 0:532cb55d6136 140 BL P15_write
arvahsu 0:532cb55d6136 141 BL P16_write
arvahsu 0:532cb55d6136 142 BL P17_write
arvahsu 0:532cb55d6136 143 MOV R0,#1
arvahsu 0:532cb55d6136 144 BL P12_write
arvahsu 0:532cb55d6136 145 B end
arvahsu 0:532cb55d6136 146 case7
arvahsu 0:532cb55d6136 147 MOV R0,#0
arvahsu 0:532cb55d6136 148 BL P11_write
arvahsu 0:532cb55d6136 149 BL P12_write
arvahsu 0:532cb55d6136 150 BL P13_write
arvahsu 0:532cb55d6136 151 MOV R0,#1
arvahsu 0:532cb55d6136 152 BL P14_write
arvahsu 0:532cb55d6136 153 BL P15_write
arvahsu 0:532cb55d6136 154 BL P16_write
arvahsu 0:532cb55d6136 155 BL P17_write
arvahsu 0:532cb55d6136 156 B end
arvahsu 0:532cb55d6136 157 case8
arvahsu 0:532cb55d6136 158 MOV R0,#0
arvahsu 0:532cb55d6136 159 BL P11_write
arvahsu 0:532cb55d6136 160 BL P12_write
arvahsu 0:532cb55d6136 161 BL P13_write
arvahsu 0:532cb55d6136 162 BL P14_write
arvahsu 0:532cb55d6136 163 BL P15_write
arvahsu 0:532cb55d6136 164 BL P16_write
arvahsu 0:532cb55d6136 165 BL P17_write
arvahsu 0:532cb55d6136 166 B end
arvahsu 0:532cb55d6136 167 case9
arvahsu 0:532cb55d6136 168 MOV R0,#0
arvahsu 0:532cb55d6136 169 BL P11_write
arvahsu 0:532cb55d6136 170 BL P12_write
arvahsu 0:532cb55d6136 171 BL P13_write
arvahsu 0:532cb55d6136 172 BL P16_write
arvahsu 0:532cb55d6136 173 BL P17_write
arvahsu 0:532cb55d6136 174 MOV R0,#1
arvahsu 0:532cb55d6136 175 BL P14_write
arvahsu 0:532cb55d6136 176 BL P15_write
arvahsu 0:532cb55d6136 177 B end
arvahsu 0:532cb55d6136 178 end
arvahsu 0:532cb55d6136 179 POP {LR}
arvahsu 0:532cb55d6136 180 BX LR
arvahsu 0:532cb55d6136 181 ;
arvahsu 0:532cb55d6136 182 END
arvahsu 0:532cb55d6136 183