?? stm8s_beep.ls
字號(hào):
1 ; C Compiler for STM8 (COSMIC Software)
2 ; Generator V4.2.8 - 03 Dec 2008
32 ; 46 void BEEP_DeInit(void)
32 ; 47 {
34 switch .text
35 0000 _BEEP_DeInit:
39 ; 48 BEEP->CSR = BEEP_CSR_RESET_VALUE;
41 0000 351f50f3 mov 20723,#31
42 ; 50 }
45 0004 81 ret
110 ; 60 void BEEP_Init(BEEP_Frequency_TypeDef BEEP_Frequency)
110 ; 61 {
111 switch .text
112 0005 _BEEP_Init:
114 0005 88 push a
115 00000000 OFST: set 0
118 ; 64 assert_param(IS_BEEP_FREQUENCY_OK(BEEP_Frequency));
120 ; 67 if ((BEEP->CSR & BEEP_CSR_BEEPDIV) == BEEP_CSR_BEEPDIV)
122 0006 c650f3 ld a,20723
123 0009 a41f and a,#31
124 000b a11f cp a,#31
125 000d 2610 jrne L15
126 ; 69 BEEP->CSR &= (u8)(~BEEP_CSR_BEEPDIV); /* Clear bits */
128 000f c650f3 ld a,20723
129 0012 a4e0 and a,#224
130 0014 c750f3 ld 20723,a
131 ; 70 BEEP->CSR |= BEEP_CALIBRATION_DEFAULT;
133 0017 c650f3 ld a,20723
134 001a aa0b or a,#11
135 001c c750f3 ld 20723,a
136 001f L15:
137 ; 75 BEEP->CSR &= (u8)(~BEEP_CSR_BEEPSEL);
139 001f c650f3 ld a,20723
140 0022 a43f and a,#63
141 0024 c750f3 ld 20723,a
142 ; 76 BEEP->CSR |= (u8)(BEEP_Frequency);
144 0027 c650f3 ld a,20723
145 002a 1a01 or a,(OFST+1,sp)
146 002c c750f3 ld 20723,a
147 ; 78 }
150 002f 84 pop a
151 0030 81 ret
206 ; 87 void BEEP_Cmd(FunctionalState NewState)
206 ; 88 {
207 switch .text
208 0031 _BEEP_Cmd:
212 ; 89 if (NewState != DISABLE)
214 0031 4d tnz a
215 0032 2706 jreq L101
216 ; 92 BEEP->CSR |= BEEP_CSR_BEEPEN;
218 0034 721a50f3 bset 20723,#5
220 0038 2004 jra L301
221 003a L101:
222 ; 97 BEEP->CSR &= (u8)(~BEEP_CSR_BEEPEN);
224 003a 721b50f3 bres 20723,#5
225 003e L301:
226 ; 99 }
229 003e 81 ret
282 .const: section .text
283 0000 L41:
284 0000 000003e8 dc.l 1000
285 ; 114 void BEEP_LSICalibrationConfig(u32 LSIFreqHz)
285 ; 115 {
286 switch .text
287 003f _BEEP_LSICalibrationConfig:
289 003f 5206 subw sp,#6
290 00000006 OFST: set 6
293 ; 121 assert_param(IS_LSI_FREQUENCY_OK(LSIFreqHz));
295 ; 123 lsifreqkhz = (u16)(LSIFreqHz / 1000); /* Converts value in kHz */
297 0041 96 ldw x,sp
298 0042 1c0009 addw x,#OFST+3
299 0045 cd0000 call c_ltor
301 0048 ae0000 ldw x,#L41
302 004b cd0000 call c_ludv
304 004e be02 ldw x,c_lreg+2
305 0050 1f03 ldw (OFST-3,sp),x
306 ; 128 BEEP->CSR &= (u8)(~BEEP_CSR_BEEPDIV); /* Clear bits */
308 0052 c650f3 ld a,20723
309 0055 a4e0 and a,#224
310 0057 c750f3 ld 20723,a
311 ; 130 A = (u16)(lsifreqkhz >> 3U); /* Division by 8, keep integer part only */
313 005a 1e03 ldw x,(OFST-3,sp)
314 005c 54 srlw x
315 005d 54 srlw x
316 005e 54 srlw x
317 005f 1f05 ldw (OFST-1,sp),x
318 ; 132 if ((8U * A) >= ((lsifreqkhz - (8U * A)) * (1U + (2U * A))))
320 0061 1e05 ldw x,(OFST-1,sp)
321 0063 58 sllw x
322 0064 58 sllw x
323 0065 58 sllw x
324 0066 1f01 ldw (OFST-5,sp),x
325 0068 1e03 ldw x,(OFST-3,sp)
326 006a 72f001 subw x,(OFST-5,sp)
327 006d 1605 ldw y,(OFST-1,sp)
328 006f 9058 sllw y
329 0071 905c incw y
330 0073 cd0000 call c_imul
332 0076 1605 ldw y,(OFST-1,sp)
333 0078 9058 sllw y
334 007a 9058 sllw y
335 007c 9058 sllw y
336 007e bf01 ldw c_x+1,x
337 0080 90b301 cpw y,c_x+1
338 0083 250c jrult L331
339 ; 134 BEEP->CSR |= (u8)(A - 2U);
341 0085 7b06 ld a,(OFST+0,sp)
342 0087 a002 sub a,#2
343 0089 ca50f3 or a,20723
344 008c c750f3 ld 20723,a
346 008f 2009 jra L531
347 0091 L331:
348 ; 138 BEEP->CSR |= (u8)(A - 1U);
350 0091 7b06 ld a,(OFST+0,sp)
351 0093 4a dec a
352 0094 ca50f3 or a,20723
353 0097 c750f3 ld 20723,a
354 009a L531:
355 ; 142 AWU->CSR |= AWU_CSR_MR;
357 009a 721250f0 bset 20720,#1
358 ; 144 }
361 009e 5b06 addw sp,#6
362 00a0 81 ret
375 xdef _BEEP_LSICalibrationConfig
376 xdef _BEEP_Cmd
377 xdef _BEEP_Init
378 xdef _BEEP_DeInit
379 xref.b c_lreg
380 xref.b c_x
399 xref c_imul
400 xref c_ludv
401 xref c_ltor
402 end
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