366 lines
23 KiB
Plaintext
366 lines
23 KiB
Plaintext
1 ;--------------------------------------------------------
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2 ; File Created by SDCC : free open source ANSI-C Compiler
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3 ; Version 4.2.0 #13081 (Linux)
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4 ;--------------------------------------------------------
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5 .module spi
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6 .optsdcc -mmcs51 --model-small
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7
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8 ;--------------------------------------------------------
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9 ; Public variables in this module
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10 ;--------------------------------------------------------
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11 .globl _EADC
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12 .globl _ET1
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13 .globl _ET0
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14 .globl _ES
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15 .globl _EA
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16 .globl _REN
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17 .globl _RI
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18 .globl _TI
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19 .globl _TR1
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20 .globl _TF1
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21 .globl _IT0
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22 .globl _IE0
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23 .globl _TR0
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24 .globl _TF0
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25 .globl _CMPCR2
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26 .globl _CMPCR1
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27 .globl _TA
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28 .globl _IRCBAND_REG
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29 .globl _IAP_TPS
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30 .globl _IAP_CONTR
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31 .globl _IAP_TRIG
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32 .globl _IAP_CMD
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33 .globl _IAP_ADDRL
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34 .globl _IAP_ADDRH
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35 .globl _IAP_DATA
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36 .globl _WDT_CONTR
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37 .globl _PCA_PWM3
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38 .globl _PCA_PWM2
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39 .globl _PCA_PWM1
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40 .globl _PCA_PWM0
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41 .globl _CCAP3L
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42 .globl _CCAP2L
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43 .globl _CCAP1L
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44 .globl _CCAP0L
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45 .globl _CCAPM3
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46 .globl _CCAPM2
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47 .globl _CCAPM1
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48 .globl _CCAPM0
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49 .globl _CMOD
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50 .globl _CCON
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51 .globl _ADCTIM_X
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52 .globl _ADCCFG
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53 .globl _ADC_RESL
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54 .globl _ADC_RES
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55 .globl _ADC_CONTR
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56 .globl _SPDAT
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57 .globl _SPCTL
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58 .globl _SPSTAT
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59 .globl _IP2H
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60 .globl _IP2
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61 .globl _IP
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62 .globl _IE2
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63 .globl _IE
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64 .globl _BRT
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65 .globl _P_SW1
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66 .globl _SADEN
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67 .globl _SADDR
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68 .globl _S2BUF
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69 .globl _S2CON
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70 .globl _SBUF
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71 .globl _SCON
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72 .globl _TM4PS_X
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73 .globl _TM3PS_X
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74 .globl _TM2PS_X
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75 .globl _T4T3M
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76 .globl _T4L
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77 .globl _T4H
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78 .globl _T3L
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79 .globl _T3H
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80 .globl _T2L
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81 .globl _T2H
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82 .globl _INTCLKO
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83 .globl _AUXR
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84 .globl _TH1
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85 .globl _TH0
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86 .globl _TL1
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87 .globl _TL0
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88 .globl _TMOD
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89 .globl _TCON
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90 .globl _P_SW2
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91 .globl _P5M0
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92 .globl _P5M1
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93 .globl _P4M0
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94 .globl _P4M1
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95 .globl _P3M0
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96 .globl _P3M1
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97 .globl _P2M0
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98 .globl _P2M1
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99 .globl _P1M0
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100 .globl _P1M1
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101 .globl _P0M0
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102 .globl _P0M1
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103 .globl _PSW
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104 .globl _B
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105 .globl _ACC
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106 .globl _PCON
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107 .globl _DPH
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108 .globl _DPL
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109 .globl _SP
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110 .globl _P5
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111 .globl _P4
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112 .globl _P3
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113 .globl _P2
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114 .globl _P1
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115 .globl _P0
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116 .globl _spi_init
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117 .globl _spi_transfer
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118 ;--------------------------------------------------------
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119 ; special function registers
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120 ;--------------------------------------------------------
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121 .area RSEG (ABS,DATA)
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000000 122 .org 0x0000
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000080 123 _P0 = 0x0080
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000090 124 _P1 = 0x0090
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0000A0 125 _P2 = 0x00a0
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0000B0 126 _P3 = 0x00b0
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0000C0 127 _P4 = 0x00c0
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0000C8 128 _P5 = 0x00c8
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000081 129 _SP = 0x0081
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000082 130 _DPL = 0x0082
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000083 131 _DPH = 0x0083
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000087 132 _PCON = 0x0087
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0000E0 133 _ACC = 0x00e0
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0000F0 134 _B = 0x00f0
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0000D0 135 _PSW = 0x00d0
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000093 136 _P0M1 = 0x0093
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000094 137 _P0M0 = 0x0094
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000091 138 _P1M1 = 0x0091
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000092 139 _P1M0 = 0x0092
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000095 140 _P2M1 = 0x0095
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000096 141 _P2M0 = 0x0096
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0000B1 142 _P3M1 = 0x00b1
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0000B2 143 _P3M0 = 0x00b2
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0000B3 144 _P4M1 = 0x00b3
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0000B4 145 _P4M0 = 0x00b4
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0000C9 146 _P5M1 = 0x00c9
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0000CA 147 _P5M0 = 0x00ca
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0000BA 148 _P_SW2 = 0x00ba
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000088 149 _TCON = 0x0088
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000089 150 _TMOD = 0x0089
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00008A 151 _TL0 = 0x008a
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00008B 152 _TL1 = 0x008b
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00008C 153 _TH0 = 0x008c
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00008D 154 _TH1 = 0x008d
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00008E 155 _AUXR = 0x008e
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00008F 156 _INTCLKO = 0x008f
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0000D6 157 _T2H = 0x00d6
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0000D7 158 _T2L = 0x00d7
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0000D4 159 _T3H = 0x00d4
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0000D5 160 _T3L = 0x00d5
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0000D2 161 _T4H = 0x00d2
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0000D3 162 _T4L = 0x00d3
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0000D1 163 _T4T3M = 0x00d1
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00FEA1 164 _TM2PS_X = 0xfea1
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00FEA2 165 _TM3PS_X = 0xfea2
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00FEA3 166 _TM4PS_X = 0xfea3
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000098 167 _SCON = 0x0098
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000099 168 _SBUF = 0x0099
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00009A 169 _S2CON = 0x009a
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00009B 170 _S2BUF = 0x009b
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0000A9 171 _SADDR = 0x00a9
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0000B9 172 _SADEN = 0x00b9
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0000A2 173 _P_SW1 = 0x00a2
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00009C 174 _BRT = 0x009c
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0000A8 175 _IE = 0x00a8
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0000AF 176 _IE2 = 0x00af
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0000B8 177 _IP = 0x00b8
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0000B6 178 _IP2 = 0x00b6
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0000B7 179 _IP2H = 0x00b7
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0000CD 180 _SPSTAT = 0x00cd
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0000CE 181 _SPCTL = 0x00ce
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0000CF 182 _SPDAT = 0x00cf
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0000BC 183 _ADC_CONTR = 0x00bc
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0000BD 184 _ADC_RES = 0x00bd
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0000BE 185 _ADC_RESL = 0x00be
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0000DE 186 _ADCCFG = 0x00de
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00FEA8 187 _ADCTIM_X = 0xfea8
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0000D8 188 _CCON = 0x00d8
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0000D9 189 _CMOD = 0x00d9
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0000DA 190 _CCAPM0 = 0x00da
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0000DB 191 _CCAPM1 = 0x00db
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0000DC 192 _CCAPM2 = 0x00dc
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0000DD 193 _CCAPM3 = 0x00dd
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0000EA 194 _CCAP0L = 0x00ea
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0000EB 195 _CCAP1L = 0x00eb
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0000EC 196 _CCAP2L = 0x00ec
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0000ED 197 _CCAP3L = 0x00ed
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0000F2 198 _PCA_PWM0 = 0x00f2
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0000F3 199 _PCA_PWM1 = 0x00f3
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0000F4 200 _PCA_PWM2 = 0x00f4
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0000F5 201 _PCA_PWM3 = 0x00f5
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0000C1 202 _WDT_CONTR = 0x00c1
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0000C2 203 _IAP_DATA = 0x00c2
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0000C3 204 _IAP_ADDRH = 0x00c3
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0000C4 205 _IAP_ADDRL = 0x00c4
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0000C5 206 _IAP_CMD = 0x00c5
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0000C6 207 _IAP_TRIG = 0x00c6
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0000C7 208 _IAP_CONTR = 0x00c7
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0000F7 209 _IAP_TPS = 0x00f7
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00009D 210 _IRCBAND_REG = 0x009d
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0000AE 211 _TA = 0x00ae
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0000E6 212 _CMPCR1 = 0x00e6
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0000E7 213 _CMPCR2 = 0x00e7
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214 ;--------------------------------------------------------
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215 ; special function bits
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216 ;--------------------------------------------------------
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217 .area RSEG (ABS,DATA)
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000000 218 .org 0x0000
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00008D 219 _TF0 = 0x008d
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00008C 220 _TR0 = 0x008c
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000089 221 _IE0 = 0x0089
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000088 222 _IT0 = 0x0088
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00008F 223 _TF1 = 0x008f
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00008E 224 _TR1 = 0x008e
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000099 225 _TI = 0x0099
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000098 226 _RI = 0x0098
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00009C 227 _REN = 0x009c
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0000AF 228 _EA = 0x00af
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0000AC 229 _ES = 0x00ac
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0000A9 230 _ET0 = 0x00a9
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0000AB 231 _ET1 = 0x00ab
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0000AD 232 _EADC = 0x00ad
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233 ;--------------------------------------------------------
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234 ; overlayable register banks
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235 ;--------------------------------------------------------
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236 .area REG_BANK_0 (REL,OVR,DATA)
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000000 237 .ds 8
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238 ;--------------------------------------------------------
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239 ; internal ram data
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240 ;--------------------------------------------------------
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241 .area DSEG (DATA)
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242 ;--------------------------------------------------------
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243 ; overlayable items in internal ram
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244 ;--------------------------------------------------------
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245 .area OSEG (OVR,DATA)
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246 ;--------------------------------------------------------
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247 ; indirectly addressable internal ram data
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248 ;--------------------------------------------------------
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249 .area ISEG (DATA)
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250 ;--------------------------------------------------------
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251 ; absolute internal ram data
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252 ;--------------------------------------------------------
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253 .area IABS (ABS,DATA)
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254 .area IABS (ABS,DATA)
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255 ;--------------------------------------------------------
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256 ; bit data
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257 ;--------------------------------------------------------
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258 .area BSEG (BIT)
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259 ;--------------------------------------------------------
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260 ; paged external ram data
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261 ;--------------------------------------------------------
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262 .area PSEG (PAG,XDATA)
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263 ;--------------------------------------------------------
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264 ; external ram data
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265 ;--------------------------------------------------------
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266 .area XSEG (XDATA)
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267 ;--------------------------------------------------------
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268 ; absolute external ram data
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269 ;--------------------------------------------------------
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270 .area XABS (ABS,XDATA)
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271 ;--------------------------------------------------------
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272 ; external initialized ram data
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273 ;--------------------------------------------------------
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274 .area XISEG (XDATA)
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275 .area HOME (CODE)
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276 .area GSINIT0 (CODE)
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277 .area GSINIT1 (CODE)
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278 .area GSINIT2 (CODE)
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279 .area GSINIT3 (CODE)
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280 .area GSINIT4 (CODE)
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281 .area GSINIT5 (CODE)
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282 .area GSINIT (CODE)
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283 .area GSFINAL (CODE)
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284 .area CSEG (CODE)
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285 ;--------------------------------------------------------
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286 ; global & static initialisations
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287 ;--------------------------------------------------------
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288 .area HOME (CODE)
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289 .area GSINIT (CODE)
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290 .area GSFINAL (CODE)
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291 .area GSINIT (CODE)
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292 ;--------------------------------------------------------
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293 ; Home
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294 ;--------------------------------------------------------
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295 .area HOME (CODE)
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296 .area HOME (CODE)
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297 ;--------------------------------------------------------
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298 ; code
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299 ;--------------------------------------------------------
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300 .area CSEG (CODE)
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301 ;------------------------------------------------------------
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302 ;Allocation info for local variables in function 'spi_init'
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303 ;------------------------------------------------------------
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304 ; src/spi.c:10: void spi_init(void)
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305 ; -----------------------------------------
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306 ; function spi_init
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307 ; -----------------------------------------
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000000 308 _spi_init:
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000007 309 ar7 = 0x07
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000006 310 ar6 = 0x06
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000005 311 ar5 = 0x05
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000004 312 ar4 = 0x04
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000003 313 ar3 = 0x03
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000002 314 ar2 = 0x02
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000001 315 ar1 = 0x01
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000000 316 ar0 = 0x00
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317 ; src/spi.c:16: P1M0 |= (1 << NRF_SCK_BIT) | (1 << NRF_MOSI_BIT); /* 推挽 */
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000000 43 92 28 [24] 318 orl _P1M0,#0x28
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319 ; src/spi.c:17: P1M1 &= ~((1 << NRF_SCK_BIT) | (1 << NRF_MOSI_BIT));
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000003 53 91 D7 [24] 320 anl _P1M1,#0xd7
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321 ; src/spi.c:18: P1M0 &= ~(1 << NRF_MISO_BIT); /* 高阻输入 */
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000006 53 92 EF [24] 322 anl _P1M0,#0xef
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323 ; src/spi.c:19: P1M1 |= (1 << NRF_MISO_BIT);
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000009 43 91 10 [24] 324 orl _P1M1,#0x10
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325 ; src/spi.c:22: P_SW1 &= ~0x0C; /* S1_S1=0,S1_S0=0 → 默认 P1.5/P1.3/P1.4 */
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00000C 53 A2 F3 [24] 326 anl _P_SW1,#0xf3
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327 ; src/spi.c:31: SPCTL = 0x50 | 0x40; /* MSTR=0x10 + SPEN=0x40 = 0x50 ... 实际 SPEN=0x40 */
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00000F 75 CE 50 [24] 328 mov _SPCTL,#0x50
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329 ; src/spi.c:32: SPCTL = SPEN | MSTR | (0 << 2); /* SPR1=0,SPR0=0,SPR=0 → /4 */
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000012 75 CE 50 [24] 330 mov _SPCTL,#0x50
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331 ; src/spi.c:34: SPSTAT = 0x00; /* 清标志 */
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000015 75 CD 00 [24] 332 mov _SPSTAT,#0x00
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333 ; src/spi.c:35: }
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000018 22 [24] 334 ret
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335 ;------------------------------------------------------------
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336 ;Allocation info for local variables in function 'spi_transfer'
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337 ;------------------------------------------------------------
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338 ;data Allocated to registers
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339 ;------------------------------------------------------------
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340 ; src/spi.c:37: uint8_t spi_transfer(uint8_t data)
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341 ; -----------------------------------------
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342 ; function spi_transfer
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343 ; -----------------------------------------
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000019 344 _spi_transfer:
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000019 85 82 CF [24] 345 mov _SPDAT,dpl
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346 ; src/spi.c:41: while (!(SPSTAT & SPIF));
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00001C 347 00101$:
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00001C E5 CD [12] 348 mov a,_SPSTAT
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00001E 30 E7 FB [24] 349 jnb acc.7,00101$
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350 ; src/spi.c:42: SPSTAT = SPIF | WCOL; /* 清标志 (写 1 清 0) */
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000021 75 CD C0 [24] 351 mov _SPSTAT,#0xc0
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352 ; src/spi.c:43: return SPDAT;
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000024 85 CF 82 [24] 353 mov dpl,_SPDAT
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354 ; src/spi.c:44: }
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000027 22 [24] 355 ret
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356 .area CSEG (CODE)
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357 .area CONST (CODE)
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000000 358 _DEFAULT_ADDR:
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000000 E7 359 .db #0xe7 ; 231
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000001 E7 360 .db #0xe7 ; 231
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000002 E7 361 .db #0xe7 ; 231
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000003 E7 362 .db #0xe7 ; 231
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000004 C2 363 .db #0xc2 ; 194
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364 .area XINIT (CODE)
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365 .area CABS (ABS,CODE)
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