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comparison pirelli/fw-disasm @ 260:863b483bf9e7

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pirelli/fw-disasm: CI charging analyzed
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Dec 2017 06:49:53 +0000
parents ea66ce1a0d2e
children 61e0be63559c
comparison
equal deleted inserted replaced
259:ea66ce1a0d2e 260:863b483bf9e7
1105 2e279c: f0f8 fa4a bl 0x3dac34 1105 2e279c: f0f8 fa4a bl 0x3dac34
1106 2e27a0: f7ff fe17 bl 0x2e23d2 ; $pwr_start_fast_charge 1106 2e27a0: f7ff fe17 bl 0x2e23d2 ; $pwr_start_fast_charge
1107 2e27a4: b002 add sp, #8 1107 2e27a4: b002 add sp, #8
1108 2e27a6: bd10 pop {r4, pc} 1108 2e27a6: bd10 pop {r4, pc}
1109 1109
1110 $pwr_CI_charge_process:
1111 2e2838: b570 push {r4, r5, r6, lr}
1112 2e283a: b082 sub sp, #8
1113 2e283c: 2138 mov r1, #56 ; 0x38
1114 2e283e: 485c ldr r0, =0x1774e70 ; via 0x2e29b0
1115 2e2840: 6800 ldr r0, [r0, #0]
1116 2e2842: 5e08 ldrsh r0, [r1, r0]
1117 2e2844: f04b f96b bl 0x32db1e ; $pwr_bat_temp_within_limits
1118 2e2848: 2800 cmp r0, #0
1119 2e284a: d11a bne 0x2e2882
1120 ; error path
1121 2e284c: f7ff fd4f bl 0x2e22ee
1122 2e2850: 4856 ldr r0, =0xa0020 ; via 0x2e29ac
1123 2e2852: 9000 str r0, [sp, #0]
1124 2e2854: a0f0 add r0, pc, #960 ; 0x3c0
1125 2e2856: 2121 mov r1, #33 ; 0x21
1126 2e2858: 2200 mov r2, #0
1127 2e285a: 43d2 mvn r2, r2
1128 2e285c: 2302 mov r3, #2
1129 2e285e: f0f8 f9e9 bl 0x3dac34
1130 2e2862: 2000 mov r0, #0
1131 2e2864: f0b2 fb2d bl 0x394ec2
1132 2e2868: 2132 mov r1, #50 ; 0x32
1133 2e286a: 48f4 ldr r0, =0x1774e38 ; via 0x2e2c3c
1134 2e286c: 6800 ldr r0, [r0, #0]
1135 2e286e: 5c08 ldrb r0, [r1, r0]
1136 2e2870: 2800 cmp r0, #0
1137 2e2872: d000 beq 0x2e2876
1138 2e2874: e096 b 0x2e29a4
1139 2e2876: 2001 mov r0, #1
1140 2e2878: 213c mov r1, #60 ; 0x3c
1141 2e287a: 2201 mov r2, #1
1142 2e287c: f066 fcc6 bl 0x34920c
1143 2e2880: e092 b 0x2e29a8
1144 ; good path
1145 2e2882: 2033 mov r0, #51 ; 0x33
1146 2e2884: 49ed ldr r1, =0x1774e38 ; via 0x2e2c3c
1147 2e2886: 6809 ldr r1, [r1, #0]
1148 2e2888: 5c40 ldrb r0, [r0, r1]
1149 2e288a: 2800 cmp r0, #0
1150 2e288c: d10c bne 0x2e28a8
1151 ; is_adc_on FALSE
1152 ; write 0 to VBATREG
1153 2e288e: 2001 mov r0, #1
1154 2e2890: 211e mov r1, #30 ; 0x1e
1155 2e2892: 2200 mov r2, #0
1156 2e2894: f066 fcba bl 0x34920c
1157 ; delay one TDMA frame
1158 2e2898: 2001 mov r0, #1
1159 2e289a: f7cf f800 bl 0x2b189e
1160 ; read VBATREG
1161 2e289e: 2001 mov r0, #1
1162 2e28a0: 211e mov r1, #30 ; 0x1e
1163 2e28a2: f066 fcda bl 0x34925a
1164 2e28a6: e001 b 0x2e28ac
1165 ; is_adc_on TRUE
1166 ; function gets average of the last 6
1167 2e28a8: f04b fc16 bl 0x32e0d8
1168 ; is_adc_on paths join
1169 2e28ac: 1c04 add r4, r0, #0
1170 2e28ae: 1c20 add r0, r4, #0
1171 ; the MADC code is converted to mV, but only for storing in the 0x1774b7c var
1172 2e28b0: f04b f91a bl 0x32dae8 ; $pwr_adc_to_mvolt
1173 2e28b4: 4993 ldr r1, =0x1774b7c ; via 0x2e2b04
1174 ; "TIMER1" trace
1175 2e28b6: 8008 strh r0, [r1, #0]
1176 2e28b8: 483c ldr r0, =0xa0020 ; via 0x2e29ac
1177 2e28ba: 9000 str r0, [sp, #0]
1178 2e28bc: a076 add r0, pc, #472 ; 0x1d8
1179 2e28be: 2106 mov r1, #6
1180 2e28c0: 2200 mov r2, #0
1181 2e28c2: 43d2 mvn r2, r2
1182 2e28c4: 2302 mov r3, #2
1183 2e28c6: f0f8 f9b5 bl 0x3dac34
1184 ; "Vbat (MADC code) " trace
1185 2e28ca: 4838 ldr r0, =0xa0020 ; via 0x2e29ac
1186 2e28cc: 9000 str r0, [sp, #0]
1187 2e28ce: a080 add r0, pc, #512 ; 0x200
1188 2e28d0: 2111 mov r1, #17 ; 0x11
1189 2e28d2: 1c22 add r2, r4, #0
1190 2e28d4: 2305 mov r3, #5
1191 2e28d6: f0f8 f9ad bl 0x3dac34
1192 ; check for the voltage threshold exactly as in MV100 version
1193 2e28da: 4e35 ldr r6, =0x1774e70 ; via 0x2e29b0
1194 2e28dc: 6830 ldr r0, [r6, #0]
1195 2e28de: 8980 ldrh r0, [r0, #12] ; 0xc
1196 2e28e0: 4284 cmp r4, r0
1197 2e28e2: db0c blt 0x2e28fe
1198 2e28e4: f7ff fd03 bl 0x2e22ee ; $pwr_stop_charging
1199 2e28e8: f0b2 fa79 bl 0x394dde ; $pwr_send_CV_charge_start_event
1200 ; the CV setting is plain 4200
1201 2e28ec: 4886 ldr r0, =0x1068 ; via 0x2e2b08
1202 2e28ee: f7ff fca3 bl 0x2e2238 ; $pwr_start_CV_charging
1203 ; same TIMER2 as in MV100 version
1204 2e28f2: 2002 mov r0, #2
1205 2e28f4: 4986 ldr r1, =0x363 ; via 0x2e2b10
1206 2e28f6: 2200 mov r2, #0
1207 2e28f8: f048 fabe bl 0x32ae78
1208 2e28fc: e054 b 0x2e29a8 ; return
1209 ; threshold not reached
1210 2e28fe: 4df3 ldr r5, =0x1774b78 ; via 0x2e2ccc
1211 2e2900: 88a9 ldrh r1, [r5, #4]
1212 2e2902: 4882 ldr r0, =0xd2a ; via 0x2e2b0c
1213 2e2904: 4281 cmp r1, r0
1214 2e2906: dc08 bgt 0x2e291a
1215 ; emergency-low Vbat
1216 2e2908: 4828 ldr r0, =0xa0020 ; via 0x2e29ac
1217 2e290a: 9000 str r0, [sp, #0]
1218 2e290c: a064 add r0, pc, #400 ; 0x190
1219 2e290e: 211f mov r1, #31 ; 0x1f
1220 2e2910: 2200 mov r2, #0
1221 2e2912: 43d2 mvn r2, r2
1222 2e2914: 2302 mov r3, #2
1223 2e2916: f0f8 f98d bl 0x3dac34
1224 ; end of emergency-low Vbat check
1225 ; TIMER1 restarted, same interval as in MV100
1226 2e291a: 2001 mov r0, #1
1227 2e291c: 497c ldr r1, =0x363 ; via 0x2e2b10
1228 2e291e: 2200 mov r2, #0
1229 2e2920: f048 faaa bl 0x32ae78
1230 ; Ichg check code begins
1231 2e2924: 48c5 ldr r0, =0x1774e38 ; via 0x2e2c3c
1232 2e2926: 2133 mov r1, #51 ; 0x33
1233 2e2928: 6802 ldr r2, [r0, #0]
1234 2e292a: 5c89 ldrb r1, [r1, r2]
1235 2e292c: 2900 cmp r1, #0
1236 2e292e: d10d bne 0x2e294c
1237 ; is_adc_on FALSE
1238 2e2930: 2001 mov r0, #1
1239 2e2932: 2122 mov r1, #34 ; 0x22
1240 2e2934: 2200 mov r2, #0
1241 2e2936: f066 fc69 bl 0x34920c
1242 2e293a: 2001 mov r0, #1
1243 2e293c: f7ce ffaf bl 0x2b189e
1244 2e2940: 2001 mov r0, #1
1245 2e2942: 2122 mov r1, #34 ; 0x22
1246 2e2944: f066 fc89 bl 0x34925a
1247 2e2948: 1c04 add r4, r0, #0
1248 2e294a: e001 b 0x2e2950
1249 ; is_adc_on TRUE
1250 ; takes Ichg from SPI ADC results
1251 2e294c: 6800 ldr r0, [r0, #0]
1252 2e294e: 8904 ldrh r4, [r0, #8]
1253 ; is_adc_on paths join
1254 2e2950: 1c20 add r0, r4, #0
1255 2e2952: f04b fbfe bl 0x32e152
1256 2e2956: 1c04 add r4, r0, #0
1257 2e2958: f04b f8cf bl 0x32dafa ; $pwr_adc_to_mA
1258 2e295c: 80e8 strh r0, [r5, #6]
1259 2e295e: 88e8 ldrh r0, [r5, #6]
1260 2e2960: f04b fbac bl 0x32e0bc
1261 2e2964: 4811 ldr r0, =0xa0020 ; via 0x2e29ac
1262 2e2966: 9000 str r0, [sp, #0]
1263 2e2968: a0d3 add r0, pc, #844 ; 0x34c
1264 2e296a: 2111 mov r1, #17 ; 0x11
1265 2e296c: 1c22 add r2, r4, #0
1266 2e296e: 2305 mov r3, #5
1267 2e2970: f0f8 f960 bl 0x3dac34
1268 2e2974: 2033 mov r0, #51 ; 0x33
1269 2e2976: 0100 lsl r0, r0, #4
1270 2e2978: 6831 ldr r1, [r6, #0]
1271 2e297a: 8909 ldrh r1, [r1, #8]
1272 2e297c: 1840 add r0, r0, r1
1273 2e297e: 4284 cmp r4, r0
1274 2e2980: dd12 ble 0x2e29a8
1275 ; current got too high
1276 2e2982: f7ff fcb4 bl 0x2e22ee
1277 2e2986: 200a mov r0, #10 ; 0xa
1278 2e2988: 43c0 mvn r0, r0
1279 2e298a: 8028 strh r0, [r5, #0]
1280 2e298c: 4807 ldr r0, =0xa0020 ; via 0x2e29ac
1281 2e298e: 9000 str r0, [sp, #0]
1282 2e2990: a04b add r0, pc, #300 ; 0x12c
1283 2e2992: 210e mov r1, #14 ; 0xe
1284 2e2994: 2200 mov r2, #0
1285 2e2996: 43d2 mvn r2, r2
1286 2e2998: 2302 mov r3, #2
1287 2e299a: f0f8 f94b bl 0x3dac34
1288 2e299e: 2003 mov r0, #3
1289 2e29a0: f0b2 fa8f bl 0x394ec2
1290 2e29a4: f0d1 f905 bl 0x3b3bb2
1291 2e29a8: b002 add sp, #8
1292 2e29aa: bd70 pop {r4, r5, r6, pc}
1293
1110 $l1_abb_power_on: 1294 $l1_abb_power_on:
1111 31c036: b510 push {r4, lr} 1295 31c036: b510 push {r4, lr}
1112 31c038: b084 sub sp, #16 ; 0x10 1296 31c038: b084 sub sp, #16 ; 0x10
1113 31c03a: 2000 mov r0, #0 1297 31c03a: 2000 mov r0, #0
1114 31c03c: 4669 mov r1, sp 1298 31c03c: 4669 mov r1, sp
1997 32e09a: 0080 lsl r0, r0, #2 2181 32e09a: 0080 lsl r0, r0, #2
1998 32e09c: 1810 add r0, r2, r0 2182 32e09c: 1810 add r0, r2, r0
1999 32e09e: 7880 ldrb r0, [r0, #2] 2183 32e09e: 7880 ldrb r0, [r0, #2]
2000 32e0a0: b002 add sp, #8 2184 32e0a0: b002 add sp, #8
2001 32e0a2: bd10 pop {r4, pc} 2185 32e0a2: bd10 pop {r4, pc}
2186
2187 32e0bc: b510 push {r4, lr}
2188 32e0be: 1c04 add r4, r0, #0
2189 32e0c0: f000 f93e bl 0x32e340
2190 32e0c4: 4284 cmp r4, r0
2191 32e0c6: dd06 ble 0x32e0d6
2192 32e0c8: 4942 ldr r1, =0x1774e70 ; via 0x32e1d4
2193 32e0ca: 6809 ldr r1, [r1, #0]
2194 32e0cc: 3144 add r1, #68 ; 0x44
2195 32e0ce: 680a ldr r2, [r1, #0]
2196 32e0d0: 18a2 add r2, r4, r2
2197 32e0d2: 1a10 sub r0, r2, r0
2198 32e0d4: 6008 str r0, [r1, #0]
2199 32e0d6: bd10 pop {r4, pc}
2200
2201 ; The following function computes and returns the average
2202 ; of the last 6 VBAT ADC measurements, all in raw ADC form
2203 32e0d8: b500 push {lr}
2204 32e0da: 480a ldr r0, =0x1774e38 ; via 0x32e104
2205 32e0dc: 6803 ldr r3, [r0, #0]
2206 32e0de: 2000 mov r0, #0
2207 32e0e0: 2100 mov r1, #0
2208 32e0e2: 004a lsl r2, r1, #1
2209 32e0e4: 189a add r2, r3, r2
2210 32e0e6: 8a92 ldrh r2, [r2, #20] ; 0x14
2211 32e0e8: 1810 add r0, r2, r0
2212 32e0ea: 0400 lsl r0, r0, #16
2213 32e0ec: 0c00 lsr r0, r0, #16
2214 32e0ee: 1c49 add r1, r1, #1
2215 32e0f0: 0409 lsl r1, r1, #16
2216 32e0f2: 0c09 lsr r1, r1, #16
2217 32e0f4: 2906 cmp r1, #6
2218 32e0f6: dbf4 blt 0x32e0e2
2219 32e0f8: 2106 mov r1, #6
2220 32e0fa: f0c9 f897 bl 0x3f722c ; I$DIV
2221 32e0fe: 0408 lsl r0, r1, #16
2222 32e100: 0c00 lsr r0, r0, #16
2223 32e102: bd00 pop {pc}
2224
2225 ; The function dealing with the "ichg new" and "ichg clip" mystery
2226 ; the argument is Ichg as read from MADC (raw, no mA conversion)
2227 32e152: b5f0 push {r4, r5, r6, r7, lr}
2228 32e154: b082 sub sp, #8
2229 32e156: 1c05 add r5, r0, #0
2230 ; "ichg new" trace: just the raw reading
2231 32e158: 484d ldr r0, =0xa0020 ; via 0x32e290
2232 32e15a: 9000 str r0, [sp, #0]
2233 32e15c: a0ae add r0, pc, #696 ; 0x2b8
2234 32e15e: 2108 mov r1, #8
2235 32e160: 1c2a add r2, r5, #0
2236 32e162: 2302 mov r3, #2
2237 32e164: f0ac fd66 bl 0x3dac34
2238 ; comparing this raw reading against i2v_offset+23
2239 32e168: 481a ldr r0, =0x1774e70 ; via 0x32e1d4
2240 32e16a: 6800 ldr r0, [r0, #0]
2241 32e16c: 8900 ldrh r0, [r0, #8]
2242 32e16e: 3017 add r0, #23 ; 0x17
2243 32e170: 4285 cmp r5, r0
2244 32e172: da02 bge 0x32e17a
2245 ; less than this sane minimum!
2246 32e174: 48b8 ldr r0, =0x1774e38 ; via 0x32e458
2247 32e176: 6800 ldr r0, [r0, #0]
2248 32e178: e062 b 0x32e240
2249 ; above that minimum
2250 ; get the display backlight current draw
2251 32e17a: f0b1 f8a2 bl 0x3df2c2
2252 32e17e: 49b4 ldr r1, =0x17729dc ; via 0x32e450
2253 32e180: 880a ldrh r2, [r1, #0]
2254 32e182: 4282 cmp r2, r0
2255 32e184: d00a beq 0x32e19c
2256 ; display backlight current draw changed
2257 32e186: 8008 strh r0, [r1, #0]
2258 32e188: 48b3 ldr r0, =0x1774e38 ; via 0x32e458
2259 32e18a: 6801 ldr r1, [r0, #0]
2260 32e18c: 2200 mov r2, #0
2261 32e18e: 860a strh r2, [r1, #48] ; 0x30
2262 32e190: 6800 ldr r0, [r0, #0]
2263 32e192: 3020 add r0, #32 ; 0x20
2264 32e194: 2100 mov r1, #0
2265 32e196: 220c mov r2, #12 ; 0xc
2266 32e198: f0c9 ffe0 bl 0x3f815c ; $memset
2267 ; end of check for display backlight current draw change
2268 32e19c: 4cae ldr r4, =0x1774e38 ; via 0x32e458
2269 32e19e: 6821 ldr r1, [r4, #0]
2270 32e1a0: 6822 ldr r2, [r4, #0]
2271 32e1a2: 8e10 ldrh r0, [r2, #48] ; 0x30
2272 32e1a4: 0040 lsl r0, r0, #1
2273 32e1a6: 1843 add r3, r0, r1
2274 32e1a8: 1840 add r0, r0, r1
2275 32e1aa: 8c06 ldrh r6, [r0, #32] ; 0x20
2276 32e1ac: 2e00 cmp r6, #0
2277 32e1ae: d113 bne 0x32e1d8
2278 ; filling new entry?
2279 32e1b0: 4908 ldr r1, =0x1774e70 ; via 0x32e1d4
2280 32e1b2: 2633 mov r6, #51 ; 0x33
2281 32e1b4: 0136 lsl r6, r6, #4
2282 32e1b6: 6809 ldr r1, [r1, #0]
2283 32e1b8: 8909 ldrh r1, [r1, #8]
2284 32e1ba: 1871 add r1, r6, r1
2285 32e1bc: 428d cmp r5, r1
2286 32e1be: dc01 bgt 0x32e1c4
2287 32e1c0: 8405 strh r5, [r0, #32] ; 0x20
2288 32e1c2: e001 b 0x32e1c8
2289 32e1c4: 48a3 ldr r0, =0x263 ; via 0x32e454
2290 32e1c6: 8418 strh r0, [r3, #32] ; 0x20
2291 32e1c8: 8e10 ldrh r0, [r2, #48] ; 0x30
2292 32e1ca: 3001 add r0, #1
2293 32e1cc: 0400 lsl r0, r0, #16
2294 32e1ce: 0c01 lsr r1, r0, #16
2295 32e1d0: e016 b 0x32e200
2296 32e1d2: 46c0 nop (mov r8, r8)
2297 32e1d4: 01774e70
2298 ; entry already filled?
2299 32e1d8: 8d90 ldrh r0, [r2, #44] ; 0x2c
2300 32e1da: 3023 add r0, #35 ; 0x23
2301 32e1dc: 42a8 cmp r0, r5
2302 32e1de: da0d bge 0x32e1fc
2303 32e1e0: 8418 strh r0, [r3, #32] ; 0x20
2304 ; "ichg clip" trace
2305 32e1e2: 8e10 ldrh r0, [r2, #48] ; 0x30
2306 32e1e4: 0040 lsl r0, r0, #1
2307 32e1e6: 1808 add r0, r1, r0
2308 32e1e8: 8c02 ldrh r2, [r0, #32] ; 0x20
2309 32e1ea: 4829 ldr r0, =0xa0020 ; via 0x32e290
2310 32e1ec: 9000 str r0, [sp, #0]
2311 32e1ee: a08d add r0, pc, #564 ; 0x234
2312 32e1f0: 2109 mov r1, #9
2313 32e1f2: 2302 mov r3, #2
2314 32e1f4: f0ac fd1e bl 0x3dac34
2315 32e1f8: 6822 ldr r2, [r4, #0]
2316 32e1fa: e000 b 0x32e1fe
2317 ; not clipping?
2318 32e1fc: 841d strh r5, [r3, #32] ; 0x20
2319 32e1fe: 2106 mov r1, #6
2320 ; fill paths join
2321 32e200: 8e10 ldrh r0, [r2, #48] ; 0x30
2322 32e202: 3001 add r0, #1
2323 32e204: 8610 strh r0, [r2, #48] ; 0x30
2324 32e206: 6823 ldr r3, [r4, #0]
2325 32e208: 8e18 ldrh r0, [r3, #48] ; 0x30
2326 32e20a: 2806 cmp r0, #6
2327 32e20c: db02 blt 0x32e214
2328 32e20e: 2000 mov r0, #0
2329 32e210: 8618 strh r0, [r3, #48] ; 0x30
2330 32e212: 6823 ldr r3, [r4, #0]
2331 ; array wraparound done
2332 32e214: 2000 mov r0, #0
2333 32e216: 2900 cmp r1, #0
2334 32e218: d00e beq 0x32e238
2335 32e21a: 6827 ldr r7, [r4, #0]
2336 32e21c: 1c0d add r5, r1, #0
2337 32e21e: 2200 mov r2, #0
2338 32e220: 0056 lsl r6, r2, #1
2339 32e222: 19be add r6, r7, r6
2340 32e224: 8c36 ldrh r6, [r6, #32] ; 0x20
2341 32e226: 1830 add r0, r6, r0
2342 32e228: 0400 lsl r0, r0, #16
2343 32e22a: 0c00 lsr r0, r0, #16
2344 32e22c: 1c52 add r2, r2, #1
2345 32e22e: 0412 lsl r2, r2, #16
2346 32e230: 0c12 lsr r2, r2, #16
2347 32e232: 3d01 sub r5, #1
2348 32e234: 2d00 cmp r5, #0
2349 32e236: d1f3 bne 0x32e220
2350 32e238: f0c8 fff8 bl 0x3f722c ; I$DIV
2351 32e23c: 8599 strh r1, [r3, #44] ; 0x2c
2352 32e23e: 6820 ldr r0, [r4, #0]
2353 32e240: 8d80 ldrh r0, [r0, #44] ; 0x2c
2354 32e242: b002 add sp, #8
2355 32e244: bdf0 pop {r4, r5, r6, r7, pc}
2002 2356
2003 ; This function seems to be in charge of enforcing some kind of time limit 2357 ; This function seems to be in charge of enforcing some kind of time limit
2004 ; on the charging process, with non-understood handling when this limit 2358 ; on the charging process, with non-understood handling when this limit
2005 ; is exceeded and the "Charge Process exceeds .!!" trace is emitted. 2359 ; is exceeded and the "Charge Process exceeds .!!" trace is emitted.
2006 32e294: b510 push {r4, lr} 2360 32e294: b510 push {r4, lr}
4923 mapping from system current draw to voltage drop 5277 mapping from system current draw to voltage drop
4924 that can be modeled as the battery's internal resistance: 5278 that can be modeled as the battery's internal resistance:
4925 005A ( 90) 0017 (23) 5279 005A ( 90) 0017 (23)
4926 00AA (170) 002D (45) 5280 00AA (170) 002D (45)
4927 00FA (250) 0050 (80) 5281 00FA (250) 0050 (80)
5282 0x17729dc: 16-bit var stored the last display backlight current draw value
5283 for the Ichg munching logic
4928 5284
4929 0x17741e0: abb_sem 5285 0x17741e0: abb_sem
4930 5286
4931 0x17749b8: 8-bit var zeroed in pwr_stop_charging(), set to 1 in 5287 0x17749b8: 8-bit var zeroed in pwr_stop_charging(), set to 1 in
4932 pwr_start_CI_charging() and pwr_start_CV_charging() 5288 pwr_start_CI_charging() and pwr_start_CV_charging()
4935 is too high, or -5 if it is too low 5291 is too high, or -5 if it is too low
4936 0x1774b7a: 16-bit var set to 0 when starting CI charging, 5292 0x1774b7a: 16-bit var set to 0 when starting CI charging,
4937 set to 1 when starting CV charging 5293 set to 1 when starting CV charging
4938 0x1774b7c: 16-bit var battery voltage in mV 5294 0x1774b7c: 16-bit var battery voltage in mV
4939 0x1774b7e: 16-bit var zeroed in pwr_stop_charging() 5295 0x1774b7e: 16-bit var zeroed in pwr_stop_charging()
5296 Ichg in mA gets written here in CI process
4940 0x1774b80: 16-bit var zeroed in pwr_stop_charging() 5297 0x1774b80: 16-bit var zeroed in pwr_stop_charging()
4941 0x1774b82: 16-bit var gets i2v offset (raw ADC) written into it 5298 0x1774b82: 16-bit var gets i2v offset (raw ADC) written into it
4942 5299
4943 0x1774ccc: 16-bit var initial battery % is stored here 5300 0x1774ccc: 16-bit var initial battery % is stored here
4944 5301