FreeCalypso > hg > freecalypso-reveng
changeset 261:61e0be63559c
pirelli/fw-disasm: pwr_start_CV_charging() analyzed
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 26 Dec 2017 07:13:21 +0000 |
parents | 863b483bf9e7 |
children | db000ea183a5 |
files | pirelli/fw-disasm |
diffstat | 1 files changed, 28 insertions(+), 1 deletions(-) [+] |
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line diff
--- a/pirelli/fw-disasm Tue Dec 26 06:49:53 2017 +0000 +++ b/pirelli/fw-disasm Tue Dec 26 07:13:21 2017 +0000 @@ -567,7 +567,7 @@ 2e2264: 0280 lsl r0, r0, #10 2e2266: 4979 ldr r1, =0x801734 ; via 0x2e244c 2e2268: 8809 ldrh r1, [r1, #0] - 2e226a: f114 ffc7 bl 0x3f71fc + 2e226a: f114 ffc7 bl 0x3f71fc ; U$DIV 2e226e: 4668 mov r0, sp 2e2270: 8101 strh r1, [r0, #8] 2e2272: 8900 ldrh r0, [r0, #8] @@ -2354,6 +2354,26 @@ 32e242: b002 add sp, #8 32e244: bdf0 pop {r4, r5, r6, r7, pc} +; This function gets called at the beginning of CI and CV charging phases +; it clears the Ichg averaging structure + 32e246: 4a84 ldr r2, =0x1774e38 ; via 0x32e458 + 32e248: 6810 ldr r0, [r2, #0] + 32e24a: 2100 mov r1, #0 + 32e24c: 8601 strh r1, [r0, #48] ; 0x30 + 32e24e: 8581 strh r1, [r0, #44] ; 0x2c + 32e250: 6812 ldr r2, [r2, #0] + 32e252: 2000 mov r0, #0 + 32e254: 0043 lsl r3, r0, #1 + 32e256: 18d3 add r3, r2, r3 + 32e258: 8419 strh r1, [r3, #32] ; 0x20 + 32e25a: 1c40 add r0, r0, #1 + 32e25c: 0400 lsl r0, r0, #16 + 32e25e: 0c00 lsr r0, r0, #16 + 32e260: 2806 cmp r0, #6 + 32e262: dbf7 blt 0x32e254 + 32e264: 4770 bx lr + 32e266: 46c0 nop (mov r8, r8) + ; This function seems to be in charge of enforcing some kind of time limit ; on the charging process, with non-understood handling when this limit ; is exceeded and the "Charge Process exceeds .!!" trace is emitted. @@ -5287,6 +5307,13 @@ 0x17749b8: 8-bit var zeroed in pwr_stop_charging(), set to 1 in pwr_start_CI_charging() and pwr_start_CV_charging() +0x17749c0: 16-bit var, init to 0 in pwr_start_CV_charging() +0x17749c2: 16-bit var, init to 0 in pwr_start_CV_charging() +0x17749c4: 16-bit var, init to 3 in pwr_start_CV_charging() +0x17749c6: 16-bit var, initial CV DAC value gets written here +0x17749c8: 16-bit var, init to 0 in pwr_start_CV_charging() +0x17749ca: 16-bit var, initial CV DAC value gets written here + 0x1774b78: 16-bit var, gets -4 written into it if the battery T is too high, or -5 if it is too low 0x1774b7a: 16-bit var set to 0 when starting CI charging,