1 | // usage:
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2 | // inp_00 pp_0 ls_00 no_00 af_0000
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3 | // out_01 od_1 ms_01 pu_01 :
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4 | // alt_10 hs_10 pd_10 :
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5 | // ana_11 vh_11 af_1111
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6 | // bit mode type speed pull a_func oreg description
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7 | // ---------------------------------------------------------------------------
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8 | // 15 alt_10 pp_0 ls_00 pu_01 af_0000 0 51 JTDI
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9 | // 14 alt_10 pp_0 ls_00 pd_10 af_0000 0 50 JCLK
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10 | // 13 alt_10 pp_0 vh_11 pu_01 af_0000 0 49 JTMS
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11 | // 12 alt_10 pp_0 ms_01 no_00 af_1001 1 46 /CAN-TX
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12 | // ---------------------------------------------------------------------------
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13 | // 11 alt_10 pp_0 ls_00 no_00 af_1001 0 45 /CAN-RX
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14 | // 10 ana_11 pp_0 ls_00 no_00 af_0000 0 44
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15 | // 9 ana_11 pp_0 ls_00 no_00 af_0000 0 43
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16 | // 8 ana_11 pp_0 ls_00 no_00 af_0000 0 42
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17 | // ---------------------------------------------------------------------------
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18 | // 7 ana_11 pp_0 ls_00 no_00 af_0000 0 21
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19 | // 6 ana_11 pp_0 ls_00 no_00 af_0000 0 20
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20 | // 5 ana_11 pp_0 ls_00 no_00 af_0000 0 19
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21 | // 4 inp_00 pp_0 ls_00 no_00 af_0000 0 18 /Opto_IN
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22 | // ---------------------------------------------------------------------------
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23 | // 3 ana_11 pp_0 ls_00 no_00 af_0000 0 17 AN_V12
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24 | // 2 ana_11 pp_0 ls_00 no_00 af_0000 0 14 AN_VL3
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25 | // 1 ana_11 pp_0 ls_00 no_00 af_0000 0 13 AN_VL2
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26 | // 0 ana_11 pp_0 ls_00 no_00 af_0000 0 12 AN_VL1
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27 | // ---------------------------------------------------------------------------
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28 |
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29 | // enable GPIO port clock
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30 | SET_BIT(RCC->AHB2ENR, RCC_AHB2ENR_GPIOAEN);
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31 | GPIOA->ODR = 0x00001000UL;
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32 | GPIOA->AFR[1] = 0x00099000UL;
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33 | //GPIOA->AFR[0] = 0x00000000UL;
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34 | //GPIOA->PUPDR = 0x64000000UL;
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35 | GPIOA->OSPEEDR = 0x0D000000UL;
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36 | //GPIOA->OTYPER = 0x00000000UL;
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37 | GPIOA->MODER = 0xAABFFCFFUL;
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DebuggerExit.jpg
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