annotate code_part1/OSTC_code_asm_part1/ms5535.asm @ 618:6b9713b56bca

2.28beta release
author heinrichsweikamp
date Mon, 23 Jul 2012 17:12:33 +0200
parents f53aa96ff2f4
children 422b9eeace4f
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1 ; OSTC - diving computer code
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2 ; Copyright (C) 2008 HeinrichsWeikamp GbR
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3
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4 ; This program is free software: you can redistribute it and/or modify
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5 ; it under the terms of the GNU General Public License as published by
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6 ; the Free Software Foundation, either version 3 of the License, or
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7 ; (at your option) any later version.
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8
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9 ; This program is distributed in the hope that it will be useful,
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10 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ; GNU General Public License for more details.
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13
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14 ; You should have received a copy of the GNU General Public License
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15 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
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16
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17
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18 ; routines for Intersema MS5535A, MS5541B and MS5541C
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19 ; history:
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20 ; 2005-09-26: Written by Matthias Heinrichs, info@heinrichsweikamp.com
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21 ; 2008-08-21: MH last updated, with second order compensation.
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22 ; 2011-01-19: jDG Clean up using true signed arithmetics.
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23 ; 2011-05-19: jDG Avegaring temperature and amb_pressure in private variable,
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24 ; Use signed 16bit value for temperature (compat with avg !).
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25 ;
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26 ; known bugs:
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27 ; ToDo:
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28
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29 ;=============================================================================
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30 ; Expose internal variables, to ease debug:
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31 global D1, D2
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32 global C1, C2, C3, C4, C5, C6
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33 global xdT, xdT2, OFF, SENS, amb_pressure_avg, temperature_avg
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35 ;=============================================================================
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36 calculate_compensation:
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37 ; calculate UT1 = 8*C5 + 10000 (u16 range 10.000 .. +42.760)
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38 clrf isr_xA+1
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39 movlw d'8'
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40 movwf isr_xA+0
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41 movff C5+0,isr_xB+0
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42 movff C5+1,isr_xB+1
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43 call isr_unsigned_mult16x16 ;isr_xA*isr_xB=isr_xC
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44 movlw LOW d'10000'
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45 addwf isr_xC+0, f
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46 movlw HIGH d'10000'
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47 addwfc isr_xC+1, f ;isr_xC= 8*C5 + 10000
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48
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49 ; xdT = D2 - UT1 (s16 range -11.400 .. +12.350)
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50 movf isr_xC+0,W ; Get Value to be subtracted
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51 subwf D2+0,W ; Do the Low Byte
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52 movwf xdT+0
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53 movf isr_xC+1,W ; Then the high byte.
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54 subwfb D2+1,W
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55 movwf xdT+1
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56
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57 ; Second order temperature calculation
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58 ; xdT/128 is in range -89..+96, hence signed 8bit. dT/128 = (2*dT)/256
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59 rlcf xdT+0,W ; put hit bit in carry.
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60 rlcf xdT+1,W ; inject in high byte.
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61 movwf isr_xA+0 ; and put result in low byte.
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62 clrf isr_xA+1
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63 btfsc xdT+1,7 ; If dT < 0
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64 setf isr_xA+1 ; then signextend to -1
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65 movff isr_xA+0,isr_xB+0 ; copy A to B
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66 movff isr_xA+1,isr_xB+1
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67 call isr_signed_mult16x16 ; dT*dT --> xC (32 bits)
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68
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69 ; dT >= 0: divide by 8, ie. 3 shifts rights.
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70 ; dT < 0: divide by 2, ie. 1 shifts rights.
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71 movlw .3
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72 btfss xdT+1,7 ; Was dT negatif ?
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73 movlw .1
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74 calc_loop_1:
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75 bcf STATUS,C ;dT^2 is positiv, so injected zeros.
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76 rrcf isr_xC+1,F
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77 rrcf isr_xC+0,F
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78 decfsz WREG
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79 bra calc_loop_1
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80
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81 movf isr_xC+0,W ; dT2 = dT - (dT/128)*(dT/128)/(2 ...or... 8)
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82 subwf xdT+0,W
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83 movwf xdT2+0
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84 movf isr_xC+1,W
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85 subwfb xdT+1,W
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86 movwf xdT2+1
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87
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88 ; Calculate OFF = C2 + ((C4-250)*dT2)/2^12 + 10000
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89 ; (range +9.246 .. +18.887)
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90 movlw LOW(-.250) ; C4 - 250 --> A
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91 addwf C4+0,W
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92 movwf isr_xA+0
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93 movlw -1 ; HIGH(- .250) is not hunderstood...
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94 addwfc C4+1,W
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95 movwf isr_xA+1
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96
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97 movff xdT2+0,isr_xB+0 ; dT2 --> B
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98 movff xdT2+1,isr_xB+1
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99 call isr_signed_mult16x16
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100 movlw .12-.8 ; A 12bit shift = 1 byte + 4 bits.
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101 call isr_shift_C31
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102
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103 movlw LOW(.10000) ; Add 10000
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104 addwf isr_xC+1,F
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105 movlw HIGH(.10000)
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106 addwfc isr_xC+2,F
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107
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108 movf C2+0,W ; Add C2, and save into OFF
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109 addwf isr_xC+1,W
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110 movwf OFF+0
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111 movf C2+1,W
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112 addwfc isr_xC+2,W
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113 movwf OFF+1
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114
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115 ; Calculate SENS = C1/2 + ((C3+200)*dT)/2^13 + 3000
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116 movlw LOW(.200) ; C3+200 --> A
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117 addwf C3+0,W
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118 movwf isr_xA+0
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119 movlw HIGH(.200)
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120 addwfc C3+1,W
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121 movwf isr_xA+1
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122 ; B still contains dT2
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123 call isr_signed_mult16x16 ; A*B --> C
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124 movlw .13-.8 ; A 13bit shift = 1 byte + 5 bits.
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125 call isr_shift_C31
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126
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127 bcf STATUS,C ; SENS = C1 / 2
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128 rrcf C1+1,W
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129 movwf SENS+1
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130 rrcf C1+0,W
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131 movwf SENS+0
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132
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133 movlw LOW(.3000) ; Add 3000
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134 addwf isr_xC+1,F
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135 movlw HIGH(.3000)
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136 addwfc isr_xC+2,F
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138 movf isr_xC+1,W ; And sum into SENS
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139 addwf SENS+0,F
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140 movf isr_xC+2,W
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141 addwfc SENS+1,F
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142
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143 ; calculate amb_pressure = (sens * (d1-off))/2^12 + 1000
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144 movf OFF+0,W ; d1-off --> a
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145 subwf D1+0,W
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146 movwf isr_xA+0
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147 movf OFF+1,W
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148 subwfb D1+1,W
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149 movwf isr_xA+1
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151 movff SENS+0,isr_xB+0 ; sens --> b
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152 movff SENS+1,isr_xB+1
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153 call isr_signed_mult16x16
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154 movlw .12-.8 ; a 12bit shift = 1 byte + 4 bits.
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155 call isr_shift_C31
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156
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157 movlw LOW(.1000) ; add 1000
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158 addwf isr_xC+1,F
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159 movlw HIGH(.1000)
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160 addwfc isr_xC+2,F
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161
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162 btfss simulatormode_active ; are we in simulator mode?
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163 bra calc_compensation_2 ; no
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164
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165 movff sim_pressure+0,isr_xC+1 ; override readings with simulator values
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166 movff sim_pressure+1,isr_xC+2
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167
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168 calc_compensation_2:
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169 movf isr_xC+1,W ; Then sum_up to pressure averaging buffer.
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170 addwf amb_pressure_avg+0,F
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171 movf isr_xC+2,W
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172 addwfc amb_pressure_avg+1,F
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173
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diff changeset
174 ; calculate temp = 200 + dT*(C6+100)/2^11
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
175 movlw LOW(.100) ; C6 + 100 --> A
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
176 addwf C6+0,W
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
177 movwf isr_xA+0
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
178 movlw HIGH(.100)
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
179 addwfc C6+1,W
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
180 movwf isr_xA+1
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
181
161
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
182 movff xdT2+0,isr_xB+0 ; dT2 --> B
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
183 movff xdT2+1,isr_xB+1
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
184 call isr_signed_mult16x16 ; A*B
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
185 movlw .11-.8 ; A 12bit shift = 1 byte + 3 bits.
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
186 call isr_shift_C31
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
187
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
188 movlw LOW(.200) ; Add 200
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
189 addwf isr_xC+1,F
161
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
190 movlw HIGH(.200)
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
191 addwfc isr_xC+2,F
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
192
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
193 movf isr_xC+1,W
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
194 addwf temperature_avg+0,F
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
195 movf isr_xC+2,W
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 289
diff changeset
196 addwfc temperature_avg+1,F
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
197
161
8d6aca08f66b Use signed arithmetic for pressure/temperature compensation.
JeanDo
parents: 83
diff changeset
198 return ; Fertig mit allem
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
199
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 161
diff changeset
200 ;=============================================================================
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
201 get_pressure_start:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
202 rcall reset_MS5535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
203 movlw b'10100000' ;+3*high as start and 1+low as stop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
204 get_pressure_start2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
205 movwf isr1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
206 movlw d'12'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
207 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
208 rcall send_data_MS55535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
209 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
210
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
211 get_pressure_value:
81
31fa973a70fd Kludges to emulate inexisting devices when debugged with the MPLAB software SIMulator.
JeanDo
parents: 4
diff changeset
212 #ifndef TESTING
31fa973a70fd Kludges to emulate inexisting devices when debugged with the MPLAB software SIMulator.
JeanDo
parents: 4
diff changeset
213 ; Use register injection instead when in MPLab Sim emulation...
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
214 rcall get_2bytes_MS5535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
215 movff dMSB,D1+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
216 movff dLSB,D1+0
81
31fa973a70fd Kludges to emulate inexisting devices when debugged with the MPLAB software SIMulator.
JeanDo
parents: 4
diff changeset
217 #endif
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
218 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
219
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 161
diff changeset
220 ;=============================================================================
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
221 get_temperature_start:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
222 rcall reset_MS5535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
223 movlw b'10010000' ;+3*high as start and 1+low as stop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
224 bra get_pressure_start2 ; continue in "get_pressure"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
225
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
226 get_temperature_value:
81
31fa973a70fd Kludges to emulate inexisting devices when debugged with the MPLAB software SIMulator.
JeanDo
parents: 4
diff changeset
227 #ifndef TESTING
31fa973a70fd Kludges to emulate inexisting devices when debugged with the MPLAB software SIMulator.
JeanDo
parents: 4
diff changeset
228 ; Use register injection instead...
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
229 rcall get_2bytes_MS5535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
230 movff dMSB,D2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
231 movff dLSB,D2+0
81
31fa973a70fd Kludges to emulate inexisting devices when debugged with the MPLAB software SIMulator.
JeanDo
parents: 4
diff changeset
232 #endif
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
233 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
234
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 161
diff changeset
235 ;=============================================================================
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
236 get_calibration_data:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
237 rcall reset_MS5535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
238 movlw d'13'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
239 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
240 movlw b'01010100' ;+3*high as start and 1+low as stop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
241 movwf isr1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
242 rcall send_data_MS55535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
243 rcall get_2bytes_MS5535A
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
244
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
245 #ifdef TESTING
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
246 movlw LOW(.18556)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
247 movff WREG,W1+0
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
248 movlw HIGH(.18556)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
249 movff WREG,W1+1
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
250 #else
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
251 movff dMSB,W1+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
252 movff dLSB,W1+0
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
253 #endif
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
254
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
255 movlw d'13'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
256 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
257 movlw b'01011000' ;+3*high as start and 1+low as stop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
258 movwf isr1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
259 rcall send_data_MS55535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
260 rcall get_2bytes_MS5535A
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
261 #ifdef TESTING
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
262 movlw LOW(.49183)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
263 movff WREG,W2+0
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
264 movlw HIGH(.49183)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
265 movff WREG,W2+1
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
266 #else
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
267 movff dMSB,W2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
268 movff dLSB,W2+0
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
269 #endif
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
270
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
271 movlw d'13'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
272 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
273 movlw b'01100100' ;+3*high as start and 1+low as stop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
274 movwf isr1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
275 rcall send_data_MS55535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
276 rcall get_2bytes_MS5535A
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
277 #ifdef TESTING
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
278 movlw LOW(.22354)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
279 movff WREG,W3+0
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
280 movlw HIGH(.22354)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
281 movff WREG,W3+1
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
282 #else
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
283 movff dMSB,W3+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
284 movff dLSB,W3+0
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
285 #endif
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
286
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
287 movlw d'13'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
288 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
289 movlw b'01101000' ;+3*high as start and 1+low as stop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
290 movwf isr1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
291 rcall send_data_MS55535A
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
292 rcall get_2bytes_MS5535A
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
293 #ifdef TESTING
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
294 movlw LOW(.28083)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
295 movff WREG,W4+0
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
296 movlw HIGH(.28083)
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
297 movff WREG,W4+1
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
298 #else
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
299 movff dMSB,W4+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
300 movff dLSB,W4+0
289
6d8a2550c9ea Fix zero-depth gas color in de-activation menu.
JeanDo
parents: 169
diff changeset
301 #endif
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
302
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
303 ; calculate C1 (16Bit)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
304 movff W1+1, C1+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
305 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
306 rrcf C1+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
307 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
308 rrcf C1+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
309 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
310 rrcf C1+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
311 movff W1+0, C1+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
312 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
313 btfss W1+1,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
314 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
315 rrcf C1+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
316 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
317 btfss W1+1,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
318 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
319 rrcf C1+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
320 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
321 btfss W1+1,2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
322 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
323 rrcf C1+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
324
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
325 ; calculate C2 (16Bit)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
326 movff W2+0, C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
327 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
328 btfss W2+1,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
329 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
330 rrcf C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
331 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
332 btfss W2+1,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
333 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
334 rrcf C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
335 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
336 btfss W2+1,2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
337 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
338 rrcf C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
339 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
340 btfss W2+1,3
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
341 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
342 rrcf C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
343 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
344 btfss W2+1,4
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
345 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
346 rrcf C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
347 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
348 btfss W2+1,5
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
349 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
350 rrcf C2+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
351
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
352 movff W2+1, C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
353 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
354 btfss W1+0,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
355 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
356 rrcf C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
357 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
358 btfss W1+0,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
359 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
360 rrcf C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
361 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
362 btfss W1+0,2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
363 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
364 rrcf C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
365 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
366 rrcf C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
367 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
368 rrcf C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
369 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
370 rrcf C2+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
371
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
372 ; calculate C3 (16Bit)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
373 movff W3+1,C3+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
374 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
375 btfss W3+0,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
376 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
377 rlcf C3+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
378 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
379 btfss W3+0,6
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
380 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
381 rlcf C3+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
382 clrf C3+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
383 btfsc W3+1,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
384 bsf C3+1,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
385 btfsc W3+1,6
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
386 bsf C3+1,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
387
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
388 ; calculate C4 (16Bit)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
389 movff W4+1,C4+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
390 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
391 btfss W4+0,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
392 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
393 rlcf C4+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
394 clrf C4+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
395 btfsc W4+1,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
396 bsf C4+1,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
397
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
398 ; calculate C5 (16Bit)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
399 movff W3+0,C5+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
400 bcf C5+0,6
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
401 btfsc W2+0,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
402 bsf C5+0,6
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
403 bcf C5+0,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
404 btfsc W2+0,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
405 bsf C5+0,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
406 clrf C5+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
407 btfsc W2+0,2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
408 bsf C5+1,0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
409 btfsc W2+0,3
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
410 bsf C5+1,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
411 btfsc W2+0,4
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
412 bsf C5+1,2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
413 btfsc W2+0,5
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
414 bsf C5+1,3
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
415
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
416 ; calculate C6 (16Bit)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
417 clrf C6+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
418 movff W4+0,C6+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
419 bcf C6+0,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
420
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
421 bcf no_sensor_int ; enable sensor interrupts
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
422 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
423
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 161
diff changeset
424 ;=============================================================================
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
425 reset_MS5535A_one:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
426 bsf sensor_SDO
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
427 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
428 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
429 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
430 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
431 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
432 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
433 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
434 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
435 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
436 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
437
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
438 reset_MS5535A_zero:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
439 bcf sensor_SDO
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
440 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
441 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
442 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
443 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
444 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
445 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
446 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
447 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
448 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
449 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
450
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
451 MS5535A_extra_wait:
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
452 nop
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
453 nop
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
454 nop
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
455 nop
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
456 nop
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
457 return
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
458
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
459 reset_MS5535A:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
460 rcall reset_MS5535A_one ;0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
461 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
462 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
463 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
464 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
465 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
466 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
467 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
468 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
469 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
470 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
471 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
472 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
473 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
474 rcall reset_MS5535A_one
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
475 rcall reset_MS5535A_zero ;15
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
476 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
477 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
478 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
479 rcall reset_MS5535A_zero
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
480 rcall reset_MS5535A_zero ;20
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
481 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
482
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
483 get_2bytes_MS5535A:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
484 movlw d'8'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
485 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
486 rcall recieve_loop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
487 movff isr1_temp,dMSB
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
488
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
489 movlw d'8'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
490 movwf clock_count
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
491 rcall recieve_loop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
492 movff isr1_temp,dLSB
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
493 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
494 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
495 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
496 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
497 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
498 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
499 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
500 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
501 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
502
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
503 recieve_loop:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
504 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
505 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
506 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
507 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
508 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
509 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
510 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
511 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
512 btfss sensor_SDI ;MSB first
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
513 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
514 btfsc sensor_SDI ;MSB first
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
515 bsf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
516 rlcf isr1_temp,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
517 decfsz clock_count,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
518 bra recieve_loop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
519 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
520
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
521 send_data_MS55535A:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
522 ; send three startbits first
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
523 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
524 bsf sensor_SDO
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
525 movlw d'3'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
526 subwf clock_count,F ; total bit counter
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
527 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
528 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
529 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
530 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
531 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
532 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
533 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
534 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
535 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
536 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
537 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
538 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
539 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
540 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
541 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
542 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
543 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
544 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
545 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
546 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
547 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
548 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
549 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
550 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
551 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
552 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
553 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
554 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
555 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
556 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
557 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
558 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
559 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
560 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
561 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
562 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
563 ; now send 8 bytes from isr_temp1 and fill-up with zeros
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
564 databits:
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
565 btfss isr1_temp,7 ;MSB first
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
566 bcf sensor_SDO
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
567 btfsc isr1_temp,7 ;MSB first
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
568 bsf sensor_SDO
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
569 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
570 rlcf isr1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
571
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
572 bsf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
573 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
574 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
575 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
576 nop
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
577 btfsc OSCCON,4 ; 32MHz Mode?
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
578 rcall MS5535A_extra_wait ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
579 bcf sensor_CLK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
580
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
581 decfsz clock_count,F
469
f53aa96ff2f4 SPI for sensor in 32MHz
heinrichsweikamp
parents: 341
diff changeset
582 bra databits
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
583 return