2009-04-11 14:37:08 +00:00
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Entries in ram are processed by SMACinitfrommemory and executeentry
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(which does the work). I suspect that these entries are loaded in from
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the rom from the rom_data_init call in the beginning stub. For now
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we'll do the simple thing of performing the actions they do, but for
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real it would be better to load out from ROM and execute the entries
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in a similar way. That way, if the cal data changes in the ROM, our
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code should still work.
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When radioinit first starts it seems to do checks for a 24MHZ clock
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and if the buck should be enabled. Assuming 24MHZ and no buck the next
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things it does is 5 entries in cal1 (40 bytes, 4 bytes per word, = 10
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words, 2 words per entry = 5 entrys)
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0x80003048
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0x00000f78
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0x8000304c
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0x00607707
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the next entry is zero addr with val 0x000161a8... this is a delay
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entry. Loop here 0x000161a8 times. then return.
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0x00000000
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0x000161a8
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Then two more memory stuffs:
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0x8000a050
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0x0000047b
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0x8000a054
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0x0000007b
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then it seems like the emulator dies on the stack munging they do at
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the end of InitFromMemory... but I think I've decoded the entry
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enough to figure out the rest.
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2009-04-11 18:24:26 +00:00
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then they do one entry of r4 base + 48 (gRadioTOCCal2_24MHz_c[0])
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0x80009000
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0x80050100
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then they do 11 entries in cal3 and reg replacment (first two have delays)
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0x402b8c <gRadioTOCCal3_c>: 0x80009400 0x00020017 0x80009a04 0x8185a0a4
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0x402b9c <gRadioTOCCal3_c+16>: 0x80009a00 0x8c900025 0x00000000 0x00011194
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0x402bac <gRadioTOCCal3_c+32>: 0x80009a00 0x8c900021 0x80009a00 0x8c900027
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0x402bbc <gRadioTOCCal3_c+48>: 0x00000000 0x00011194 0x80009a00 0x8c90002b
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0x402bcc <gRadioTOCCal3_c+64>: 0x80009a00 0x8c90002f 0x00000000 0x00011194
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2009-04-11 19:02:59 +00:00
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0x402bdc <gRadioTOCCal3_c+80>: 0x80009a00 0x8c900000
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2009-04-11 18:24:26 +00:00
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then 4 entries from r5+24 (buffer_radio_init and cal5)
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0x80009400 0x00000017
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0x405230 <gRadioTOCCal5+8>: 0x8000a050 0x00000000 0x8000a054 0x00000000
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0x405240 <gRadioTOCCal5+24>: 0x80003048 0x00000f00
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then 43 entries from r4+152 (reg replacement)
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2009-04-11 19:02:59 +00:00
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0x402bec <gRadioInit_RegReplacement_c>: 0x80004118 0x00180012 0x80009204 0x00000605
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2009-04-11 18:24:26 +00:00
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0x402bfc <gRadioInit_RegReplacement_c+16>: 0x80009208 0x00000504 0x8000920c 0x00001111
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0x402c0c <gRadioInit_RegReplacement_c+32>: 0x80009210 0x0fc40000 0x80009300 0x20046000
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0x402c1c <gRadioInit_RegReplacement_c+48>: 0x80009304 0x4005580c 0x80009308 0x40075801
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0x402c2c <gRadioInit_RegReplacement_c+64>: 0x8000930c 0x4005d801 0x80009310 0x5a45d800
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0x402c3c <gRadioInit_RegReplacement_c+80>: 0x80009314 0x4a45d800 0x80009318 0x40044000
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0x402c4c <gRadioInit_RegReplacement_c+96>: 0x80009380 0x00106000 0x80009384 0x00083806
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0x402c5c <gRadioInit_RegReplacement_c+112>: 0x80009388 0x00093807 0x8000938c 0x0009b804
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0x402c6c <gRadioInit_RegReplacement_c+128>: 0x80009390 0x000db800 0x80009394 0x00093802
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0x402c7c <gRadioInit_RegReplacement_c+144>: 0x8000a008 0x00000015 0x8000a018 0x00000002
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0x402c8c <gRadioInit_RegReplacement_c+160>: 0x8000a01c 0x0000000f 0x80009424 0x0000aaa0
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0x402c9c <gRadioInit_RegReplacement_c+176>: 0x80009434 0x01002020 0x80009438 0x016800fe
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0x402cac <gRadioInit_RegReplacement_c+192>: 0x8000943c 0x8e578248 0x80009440 0x000000dd
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0x402cbc <gRadioInit_RegReplacement_c+208>: 0x80009444 0x00000946 0x80009448 0x0000035a
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0x402ccc <gRadioInit_RegReplacement_c+224>: 0x8000944c 0x00100010 0x80009450 0x00000515
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0x402cdc <gRadioInit_RegReplacement_c+240>: 0x80009460 0x00397feb 0x80009464 0x00180358
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0x402cec <gRadioInit_RegReplacement_c+256>: 0x8000947c 0x00000455 0x800094e0 0x00000001
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0x402cfc <gRadioInit_RegReplacement_c+272>: 0x800094e4 0x00020003 0x800094e8 0x00040014
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0x402d0c <gRadioInit_RegReplacement_c+288>: 0x800094ec 0x00240034 0x800094f0 0x00440144
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0x402d1c <gRadioInit_RegReplacement_c+304>: 0x800094f4 0x02440344 0x800094f8 0x04440544
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0x402d2c <gRadioInit_RegReplacement_c+320>: 0x80009470 0x0ee7fc00 0x8000981c 0x00000082
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0x402d3c <gRadioInit_RegReplacement_c+336>: 0x80009828 0x0000002a
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2009-04-11 14:37:08 +00:00
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2009-04-11 18:24:26 +00:00
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then flash init. (hrmm.. this might be important)
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2009-04-11 14:37:08 +00:00
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2009-04-11 18:24:26 +00:00
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then flyback init.
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2009-04-11 14:37:08 +00:00
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2009-04-11 18:24:26 +00:00
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then maybe buckbypass sequence... 4 entries from r4+16
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2009-04-11 14:37:08 +00:00
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2009-04-11 18:24:26 +00:00
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0x402b64 <gBuckByPass_c>: 0x80003000 0x00000018 0x80003048 0x00000f04
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0x402b74 <gBuckByPass_c+16>: 0x00000000 0x000161a8 0x80003048 0x00000ffc
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2009-04-11 14:37:08 +00:00
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2009-04-11 21:17:37 +00:00
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RadioInit is (roughly):
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SMAC_InitFromMemory(gRadioTOCCal1,40);
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2009-04-11 21:48:43 +00:00
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SMAC_InitFromMemory(gRadioTOCCal2_24MHz_c,8);
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SMAC_InitFromMemory(gRadioTOCCal3_c,88);
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SMAC_InitFromMemory(gRadioTOCCal5,32);
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SMAC_InitFromMemory(gRadioInit_RegReplacement_c,344);
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2009-04-11 21:17:37 +00:00
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SMAC_InitFromFlash(0x1F000);
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SMAC_InitFlybackSettings();
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2009-04-12 22:31:52 +00:00
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SMAC_InitFromMemory(gBuckByPass_c,16);
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fill_ram_struct(&u8RamValues);
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2009-04-11 21:48:43 +00:00
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2009-04-12 13:31:22 +00:00
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uint8_t i;
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uint8_t buffer_radio_init[16];
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for(i=0; i<16; i++) {
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buffer_radio_init[i] = get_ctov(i,u8RamValues[3]);
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}
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2009-04-11 21:48:43 +00:00
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2009-04-12 22:31:52 +00:00
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Some kind of success!
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This replacment works:
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// RadioInit(PLATFORM_CLOCK, gDigitalClock_PN_c, u32LoopDiv); // need this to work
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/* my replacment for RadioInit, flyback and vreg have been separated out */
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radio_init();
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// SMAC_InitFromMemory(gRadioTOCCal1,40);
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// *(volatile uint32_t *)0x80009000 = 0x80050100;
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// SMAC_InitFromMemory(gRadioTOCCal2_24MHz_c,8);
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// SMAC_InitFromMemory(gRadioTOCCal3_c,88);
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// SMAC_InitFromMemory(gRadioTOCCal5,32);
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// SMAC_InitFromMemory(gRadioInit_RegReplacement_c,344);
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2009-04-13 13:55:35 +00:00
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// SMAC_InitFromFlash(0x1F000);
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2009-04-12 22:31:52 +00:00
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// SMAC_InitFlybackSettings();
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flyback_init();
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// SMAC_InitFromMemory(gBuckByPass_c,16);
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vreg_init();
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*((uint32_t *)&u8RamValues) = 0x4c20030a;
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fill_ram_struct(&u8RamValues);
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for(j=0; j<16; j++) {
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// buffer_radio_init[j] = get_ctov(j,u8RamValues[3]);
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buffer_radio_init[j] = get_ctov(j,0x4c); //0x4c loads the right values into buffer_radio_init... but why isn't RamValues correct?
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}
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Which means my radio_init, and vreg_init are good. It also means that
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my intreprtation of buffer_radio_init is correct. It may also mean
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that u8RamValues isn't important since I just set it's value.
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That means I only have InitFromFlash to replace now!
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2009-04-13 12:09:36 +00:00
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Actually, I should test if that is necessary --- I still find it a
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little hard to believe that they put essential data on NVM --- except
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they could set codeprotect so that clods won't erase it on accident.
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See PLM/LibInterface/NVM.h for some docs. Looks like they put a
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standard SST, ST, or Atmel spi flash in there (note the comment about
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continuous read mode).
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MACPHY.a might use a ROM service for the flash init:
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0000f97c g F *ABS* 00000000 InitFromFlash
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ac: 4668 mov r0, sp
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ae: f7ff fffe bl 0 <GetInitTranslationTablePtr>
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b2: 4669 mov r1, sp
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b4: 780a ldrb r2, [r1, #0]
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b6: 0001 lsls r1, r0, #0
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b8: 20f8 movs r0, #248
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ba: 0240 lsls r0, r0, #9
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bc: f7ff fffe bl 0 <InitFromFlash>
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uint32_t InitFromFlash(uint32_t nvmAddress, uint32_t nLength);
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Which looks like InitFromFlash(0x1F00,?);
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2009-04-12 22:31:52 +00:00
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2009-04-13 13:55:35 +00:00
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Good news! It doesn't look like InitFromFlash is necessary. It might
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just be a hook for them to patch the init that is grabbed from rom or
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something.
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Checking if buffer_radio_init is important. If so, then I need to
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figure out how it's used and, preferably, what it means.
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So buffer_radio_init is necessary for their code to work. I'm not sure
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if it is necessary for the radio of if it's necessary for there app.
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2009-04-11 21:48:43 +00:00
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2009-04-13 15:29:41 +00:00
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Now I need to figure these out:
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(void)MLMEPAOutputAdjust(gu8CurrentPowerLevel);
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MLMESetChannelRequest((channel_num_t)gu8CurrentChannel);
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#define gPowerLevel_m30dBm_c 0x00
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#define gPowerLevel_m28dBm_c 0x01
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#define gPowerLevel_m26dBm_c 0x02
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#define gPowerLevel_m24dBm_c 0x03
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#define gPowerLevel_m22dBm_c 0x04
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#define gPowerLevel_m20dBm_c 0x05
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#define gPowerLevel_m18dBm_c 0x06
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#define gPowerLevel_m16dBm_c 0x07
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#define gPowerLevel_m14dBm_c 0x08
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#define gPowerLevel_m12dBm_c 0x09
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#define gPowerLevel_m10dBm_c 0x0a
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#define gPowerLevel_m8dBm_c 0x0b
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#define gPowerLevel_m6dBm_c 0x0c
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#define gPowerLevel_m4dBm_c 0x0d
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#define gPowerLevel_m2dBm_c 0x0e
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#define gPowerLevel_0dBm_c 0x0f
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#define gPowerLevel_2dBm_c 0x10
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#define gPowerLevel_4dBm_c 0x11
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#define gPowerLevel_6dBm_c 0x12
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gu8CurrentPowerLevel is set to gPowerLevel_0dBm_c = 0x0f
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some kind of look-up table for setpower
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004037e4 <gPSMVAL_c>:
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4037e4: 0000080f .word 0x0000080f
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4037e8: 0000080f .word 0x0000080f
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4037ec: 0000080f .word 0x0000080f
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4037f0: 0000080f .word 0x0000080f
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4037f4: 0000081f .word 0x0000081f
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4037f8: 0000081f .word 0x0000081f
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4037fc: 0000081f .word 0x0000081f
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403800: 0000080f .word 0x0000080f
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403804: 0000080f .word 0x0000080f
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403808: 0000080f .word 0x0000080f
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40380c: 0000001f .word 0x0000001f
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403810: 0000000f .word 0x0000000f
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403814: 0000000f .word 0x0000000f
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403818: 00000816 .word 0x00000816
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40381c: 0000001b .word 0x0000001b
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403820: 0000000b .word 0x0000000b
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403824: 00000802 .word 0x00000802
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403828: 00000817 .word 0x00000817
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40382c: 00000003 .word 0x00000003
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00403830 <gPAVAL_c>:
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403830: 000022c0 .word 0x000022c0
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403834: 000022c0 .word 0x000022c0
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403838: 000022c0 .word 0x000022c0
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40383c: 00002280 .word 0x00002280
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403840: 00002303 .word 0x00002303
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403844: 000023c0 .word 0x000023c0
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403848: 00002880 .word 0x00002880
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40384c: 000029f0 .word 0x000029f0
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403850: 000029f0 .word 0x000029f0
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403854: 000029f0 .word 0x000029f0
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403858: 000029c0 .word 0x000029c0
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40385c: 00002bf0 .word 0x00002bf0
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403860: 000029f0 .word 0x000029f0
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403864: 000028a0 .word 0x000028a0
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403868: 00002800 .word 0x00002800
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40386c: 00002ac0 .word 0x00002ac0
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403870: 00002880 .word 0x00002880
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403874: 00002a00 .word 0x00002a00
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403878: 00002b00 .word 0x00002b00
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0040387c <gAIMVAL_c>:
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40387c: 000123a0 .word 0x000123a0
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403880: 000163a0 .word 0x000163a0
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403884: 0001a3a0 .word 0x0001a3a0
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403888: 0001e3a0 .word 0x0001e3a0
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40388c: 000223a0 .word 0x000223a0
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403890: 000263a0 .word 0x000263a0
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403894: 0002a3a0 .word 0x0002a3a0
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403898: 0002e3a0 .word 0x0002e3a0
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40389c: 000323a0 .word 0x000323a0
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4038a0: 000363a0 .word 0x000363a0
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4038a4: 0003a3a0 .word 0x0003a3a0
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4038a8: 0003a3a0 .word 0x0003a3a0
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4038ac: 0003e3a0 .word 0x0003e3a0
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4038b0: 000423a0 .word 0x000423a0
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4038b4: 000523a0 .word 0x000523a0
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4038b8: 000423a0 .word 0x000423a0
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4038bc: 0004e3a0 .word 0x0004e3a0
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4038c0: 0004e3a0 .word 0x0004e3a0
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4038c4: 0004e3a0 .word 0x0004e3a0
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