dsp28_sci.c

单个表头的显示 运用了MAX7219驱动芯片

//
//      TMDX ALPHA RELEASE
//      Intended for product evaluation purposes
//
//###########################################################################
//
// FILE:	DSP28_Sci.c
//
// TITLE:	DSP28 SCI Initialization & Support Functions.
//
//###########################################################################
//
//  Ver | dd mmm yyyy | Who  | Description of changes
// =====|=============|======|===============================================
//  0.55| 06 May 2002 | L.H. | EzDSP Alpha Release
//  0.56| 20 May 2002 | L.H. | No change
//  0.57| 27 May 2002 | L.H. | No change
//###########################################################################

#include "DSP28_Device.h"

#define HIBYTE(x) ((x>>8)&0xFF)
#define LOBYTE(x) (x&0xFF)


unsigned int * UART_MODE = (unsigned int *) 0x4010;
#pragma DATA_SECTION(d,"DATA_TABLE");
Uint16 d[95] = {4,5,6,8,9,10,12,13,14,15,17,18,19,20,22,23,24,26,27,28,29,31,32,33,35,36,37,38,40,41,42,44,45,46,47,49,50,51,52,54,55,56,58,59,60,61,63,64,65,67,68,69,70,72,73,74,76,77,78,79,81,82,83,84,86,87,88,90,91,92,93,95,96,97,99,100,101,102,104,105,106,108,109,110,111,113,114,115,116,118,119,120,122,123,124};
#pragma DATA_SECTION(t,"DATA_TABLE");
Uint16 t[2991] = {47,52,56,61,66,70,75,80,84,89,94,98,103,108,113,117,122,127,131,136,141,145,150,155,159,164,169,173,178,183,188,192,197,202,206,211,216,220,225,230,234,239,244,248,253,258,263,267,272,277,281,286,291,295,300,305,309,314,319,323,328,333,338,342,347,352,356,361,366,370,375,380,384,389,394,398,403,408,413,417,422,427,431,436,441,445,450,455,459,464,469,473,478,483,487,492,497,502,506,511,516,520,525,530,534,539,544,548,553,558,563,567,572,577,581,586,591,595,600,605,609,614,619,623,628,633,638,642,647,652,656,661,666,670,675,680,684,689,694,698,703,708,713,717,722,727,731,736,741,745,750,755,759,764,769,773,778,783,787,792,797,802,806,811,816,820,825,830,834,839,844,848,853,858,863,867,872,877,881,886,891,895,900,905,909,914,919,923,928,933,938,942,947,952,956,961,966,970,975,980,984,989,994,998,1003,1008,1012,1017,1022,1027,1031,1036,1041,1045,1050,1055,1059,1064,1069,1073,1078,1083,1088,1092,1097,1102,1106,1111,1116,1120,1125,1130,1134,1139,1144,1148,1153,1158,1163,1167,1172,1177,1181,1186,1191,1195,1200,1205,1209,1214,1219,1223,1228,1233,1238,1242,1247,1252,1256,1261,1266,1270,1275,1280,1284,1289,1294,1298,1303,1308,1312,1317,1322,1327,1331,1336,1341,1345,1350,1355,1359,1364,1369,1373,1378,1383,1388,1392,1397,1402,1406,1411,1416,1420,1425,1430,1434,1439,1444,1448,1453,1458,1463,1467,1472,1477,1481,1486,1491,1495,1500,1505,1509,1514,1519,1523,1528,1533,1538,1542,1547,1552,1556,1561,1566,1570,1575,1580,1584,1589,1594,1598,1603,1608,1613,1617,1622,1627,1631,1636,1641,1645,1650,1655,1659,1664,1669,1673,1678,1683,1688,1692,1697,1702,1706,1711,1716,1720,1725,1730,1734,1739,1744,1748,1753,1758,1762,1767,1772,1777,1781,1786,1791,1795,1800,1805,1809,1814,1819,1823,1828,1833,1838,1842,1847,1852,1856,1861,1866,1870,1875,1880,1884,1889,1894,1898,1903,1908,1913,1917,1922,1927,1931,1936,1941,1945,1950,1955,1959,1964,1969,1973,1978,1983,1988,1992,1997,2002,2006,2011,2016,2020,2025,2030,2034,2039,2044,2048,2053,2058,2063,2067,2072,2077,2081,2086,2091,2095,2100,2105,2109,2114,2119,2123,2128,2133,2138,2142,2147,2152,2156,2161,2166,2170,2175,2180,2184,2189,2194,2198,2203,2208,2213,2217,2222,2227,2231,2236,2241,2245,2250,2255,2259,2264,2269,2273,2278,2283,2288,2292,2297,2302,2306,2311,2316,2320,2325,2330,2334,2339,2344,2348,2353,2358,2363,2367,2372,2377,2381,2386,2391,2395,2400,2405,2409,2414,2419,2423,2428,2433,2437,2442,2447,2452,2456,2461,2466,2470,2475,2480,2484,2489,2494,2498,2503,2508,2513,2517,2522,2527,2531,2536,2541,2545,2550,2555,2559,2564,2569,2573,2578,2583,2588,2592,2597,2602,2606,2611,2616,2620,2625,2630,2634,2639,2644,2648,2653,2658,2663,2667,2672,2677,2681,2686,2691,2695,2700,2705,2709,2714,2719,2723,2728,2733,2738,2742,2747,2752,2756,2761,2766,2770,2775,2780,2784,2789,2794,2798,2803,2808,2812,2817,2822,2827,2831,2836,2841,2845,2850,2855,2859,2864,2869,2873,2878,2883,2888,2892,2897,2902,2906,2911,2916,2920,2925,2930,2934,2939,2944,2948,2953,2958,2963,2967,2972,2977,2981,2986,2991,2995,3000,3005,3009,3014,3019,3023,3028,3033,3038,3042,3047,3052,3056,3061,3066,3070,3075,3080,3084,3089,3094,3098,3103,3108,3113,3117,3122,3127,3131,3136,3141,3145,3150,3155,3159,3164,3169,3173,3178,3183,3188,3192,3197,3202,3206,3211,3216,3220,3225,3230,3234,3239,3244,3248,3253,3258,3263,3267,3272,3277,3281,3286,3291,3295,3300,3305,3309,3314,3319,3323,3328,3333,3337,3342,3347,3352,3356,3361,3366,3370,3375,3380,3384,3389,3394,3398,3403,3408,3413,3417,3422,3427,3431,3436,3441,3445,3450,3455,3459,3464,3469,3473,3478,3483,3488,3492,3497,3502,3506,3511,3516,3520,3525,3530,3534,3539,3544,3548,3553,3558,3563,3567,3572,3577,3581,3586,3591,3595,3600,3605,3609,3614,3619,3623,3628,3633,3638,3642,3647,3652,3656,3661,3666,3670,3675,3680,3684,3689,3694,3698,3703,3708,3712,3717,3722,3727,3731,3736,3741,3745,3750,3755,3759,3764,3769,3773,3778,3783,3788,3792,3797,3802,3806,3811,3816,3820,3825,3830,3834,3839,3844,3848,3853,3858,3863,3867,3872,3877,3881,3886,3891,3895,3900,3905,3909,3914,3919,3923,3928,3933,3938,3942,3947,3952,3956,3961,3966,3970,3975,3980,3984,3989,3994,3998,4003,4008,4013,4017,4022,4027,4031,4036,4041,4045,4050,4055,4059,4064,4069,4073,4078,4083,4088,4092,4097,4102,4106,4111,4116,4120,4125,4130,4134,4139,4144,4148,4153,4158,4163,4167,4172,4177,4181,4186,4191,4195,4200,4205,4209,4214,4219,4223,4228,4233,4238,4242,4247,4252,4256,4261,4266,4270,4275,4280,4284,4289,4294,4298,4303,4308,4313,4317,4322,4327,4331,4336,4341,4345,4350,4355,4359,4364,4369,4373,4378,4383,4388,4392,4397,4402,4406,4411,4416,4420,4425,4430,4434,4439,4444,4448,4453,4458,4463,4467,4472,4477,4481,4486,4491,4495,4500,4505,4509,4514,4519,4523,4528,4533,4538,4542,4547,4552,4556,4561,4566,4570,4575,4580,4584,4589,4594,4598,4603,4608,4613,4617,4622,4627,4631,4636,4641,4645,4650,4655,4659,4664,4669,4673,4678,4683,4688,4692,4697,4702,4706,4711,4716,4720,4725,4730,4734,4739,4744,4748,4753,4758,4763,4767,4772,4777,4781,4786,4791,4795,4800,4805,4809,4814,4819,4823,4828,4833,4838,4842,4847,4852,4856,4861,4866,4870,4875,4880,4884,4889,4894,4898,4903,4908,4913,4917,4922,4927,4931,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9623,9628,9633,9638,9642,9647,9652,9656,9661,9666,9670,9675,9680,9684,9689,9694,9698,9703,9708,9713,9717,9722,9727,9731,9736,9741,9745,9750,9755,9759,9764,9769,9773,9778,9783,9788,9792,9797,9802,9806,9811,9816,9820,9825,9830,9834,9839,9844,9848,9853,9858,9863,9867,9872,9877,9881,9886,9891,9895,9900,9905,9909,9914,9919,9923,9928,9933,9938,9942,9947,9952,9956,9961,9966,9970,9975,9980,9984,9989,9994,9998,10003,10008,10013,10017,10022,10027,10031,10036,10041,10045,10050,10055,10059,10064,10069,10073,10078,10083,10087,10092,10097,10102,10106,10111,10116,10120,10125,10130,10134,10139,10144,10148,10153,10158,10162,10167,10172,10177,10181,10186,10191,10195,10200,10205,10209,10214,10219,10223,10228,10233,10238,10242,10247,10252,10256,10261,10266,10270,10275,10280,10284,10289,10294,10298,10303,10308,10313,10317,10322,10327,10331,10336,10341,10345,10350,10355,10359,10364,10369,10373,10378,10383,10388,10392,10397,10402,10406,10411,10416,10420,10425,10430,10434,10439,10444,10448,10453,10458,10463,10467,10472,10477,10481,10486,10491,10495,10500,10505,10509,10514,10519,10523,10528,10533,10538,10542,10547,10552,10556,10561,10566,10570,10575,10580,10584,10589,10594,10598,10603,10608,10613,10617,10622,10627,10631,10636,10641,10645,10650,10655,10659,10664,10669,10673,10678,10683,10688,10692,10697,10702,10706,10711,10716,10720,10725,10730,10734,10739,10744,10748,10753,10758,10763,10767,10772,10777,10781,10786,10791,10795,10800,10805,10809,10814,10819,10823,10828,10833,10837,10842,10847,10852,10856,10861,10866,10870,10875,10880,10884,10889,10894,10898,10903,10908,10913,10917,10922,10927,10931,10936,10941,10945,10950,10955,10959,10964,10969,10973,10978,10983,10988,10992,10997,11002,11006,11011,11016,11020,11025,11030,11034,11039,11044,11048,11053,11058,11063,11067,11072,11077,11081,11086,11091,11095,11100,11105,11109,11114,11119,11123,11128,11133,11138,11142,11147,11152,11156,11161,11166,11170,11175,11180,11184,11189,11194,11198,11203,11208,11213,11217,11222,11227,11231,11236,11241,11245,11250,11255,11259,11264,11269,11273,11278,11283,11288,11292,11297,11302,11306,11311,11316,11320,11325,11330,11334,11339,11344,11348,11353,11358,11363,11367,11372,11377,11381,11386,11391,11395,11400,11405,11409,11414,11419,11423,11428,11433,11438,11442,11447,11452,11456,11461,11466,11470,11475,11480,11484,11489,11494,11498,11503,11508,11512,11517,11522,11527,11531,11536,11541,11545,11550,11555,11559,11564,11569,11573,11578,11583,11587,11592,11597,11602,11606,11611,11616,11620,11625,11630,11634,11639,11644,11648,11653,11658,11663,11667,11672,11677,11681,11686,11691,11695,11700,11705,11709,11714,11719,11723,11728,11733,11738,11742,11747,11752,11756,11761,11766,11770,11775,11780,11784,11789,11794,11798,11803,11808,11813,11817,11822,11827,11831,11836,11841,11845,11850,11855,11859,11864,11869,11873,11878,11883,11888,11892,11897,11902,11906,11911,11916,11920,11925,11930,11934,11939,11944,11948,11953,11958,11963,11967,11972,11977,11981,11986,11991,11995,12000,12005,12009,12014,12019,12023,12028,12033,12038,12042,12047,12052,12056,12061,12066,12070,12075,12080,12084,12089,12094,12098,12103,12108,12113,12117,12122,12127,12131,12136,12141,12145,12150,12155,12159,12164,12169,12173,12178,12183,12188,12192,12197,12202,12206,12211,12216,12220,12225,12230,12234,12239,12244,12248,12253,12258,12262,12267,12272,12277,12281,12286,12291,12295,12300,12305,12309,12314,12319,12323,12328,12333,12337,12342,12347,12352,12356,12361,12366,12370,12375,12380,12384,12389,12394,12398,12403,12408,12413,12417,12422,12427,12431,12436,12441,12445,12450,12455,12459,12464,12469,12473,12478,12483,12488,12492,12497,12502,12506,12511,12516,12520,12525,12530,12534,12539,12544,12548,12553,12558,12563,12567,12572,12577,12581,12586,12591,12595,12600,12605,12609,12614,12619,12623,12628,12633,12638,12642,12647,12652,12656,12661,12666,12670,12675,12680,12684,12689,12694,12698,12703,12708,12713,12717,12722,12727,12731,12736,12741,12745,12750,12755,12759,12764,12769,12773,12778,12783,12788,12792,12797,12802,12806,12811,12816,12820,12825,12830,12834,12839,12844,12848,12853,12858,12863,12867,12872,12877,12881,12886,12891,12895,12900,12905,12909,12914,12919,12923,12928,12933,12938,12942,12947,12952,12956,12961,12966,12970,12975,12980,12984,12989,12994,12998,13003,13008,13012,13017,13022,13027,13031,13036,13041,13045,13050,13055,13059,13064,13069,13073,13078,13083,13088,13092,13097,13102,13106,13111,13116,13120,13125,13130,13134,13139,13144,13148,13153,13158,13163,13167,13172,13177,13181,13186,13191,13195,13200,13205,13209,13214,13219,13223,13228,13233,13238,13242,13247,13252,13256,13261,13266,13270,13275,13280,13284,13289,13294,13298,13303,13308,13313,13317,13322,13327,13331,13336,13341,13345,13350,13355,13359,13364,13369,13373,13378,13383,13388,13392,13397,13402,13406,13411,13416,13420,13425,13430,13434,13439,13444,13448,13453,13458,13463,13467,13472,13477,13481,13486,13491,13495,13500,13505,13509,13514,13519,13523,13528,13533,13538,13542,13547,13552,13556,13561,13566,13570,13575,13580,13584,13589,13594,13598,13603,13608,13613,13617,13622,13627,13631,13636,13641,13645,13650,13655,13659,13664,13669,13673,13678,13683,13687,13692,13697,13702,13706,13711,13716,13720,13725,13730,13734,13739,13744,13748,13753,13758,13762,13767,13772,13777,13781,13786,13791,13795,13800,13805,13809,13814,13819,13823,13828,13833,13838,13842,13847,13852,13856,13861,13866,13870,13875,13880,13884,13889,13894,13898,13903,13908,13913,13917,13922,13927,13931,13936,13941,13945,13950,13955,13959,13964,13969,13973,13978,13983,13988,13992,13997,14002,14006,14011,14016,14020,14025,14030,14034,14039,14044,14048,14053,14058,14063};
unsigned char sci_rx_data[128] = {0};
unsigned int sci_rx_current = 0, sci_rx_num = 0;
unsigned char sci_tx_data[128] = {0};
unsigned int sci_tx_current = 0, sci_tx_num = 0;
Uint16 gpioa = 0;

//---------------------------------------------------------------------------
// InitSPI: 
//---------------------------------------------------------------------------
// This function initializes the SPI(s) to a known state.
//
void InitSci(void)
{
	/* loopback   8 bit data */
	SciaRegs.SCICCR.all = 0x07;
	
	SciaRegs.SCICTL1.all = 0x23;
	SciaRegs.SCICTL2.all = 0x03;
	
	SciaRegs.SCIHBAUD = 0x01;
	SciaRegs.SCILBAUD = 0xE7;
}


// 发送modbus数据帧
#pragma CODE_SECTION (ModbusRTUFrameSend, "ISR")
void ModbusRTUFrameSend(void)
{
	if(SciaRegs.SCICTL2.bit.TXRDY == 1)
	  {
		SciaRegs.SCITXBUF = sci_tx_data[sci_tx_current];
		sci_tx_current++;
	  }
}


// 收到modbus数据帧的处理
#pragma CODE_SECTION (ModbusRTUFrameReceive, "ISR")
void ModbusRTUFrameReceive(void)
{
	unsigned int i;
	unsigned int crc;
	unsigned long address;
	
	address = ((unsigned long)sci_rx_data[2]<<8) + sci_rx_data[3];

	switch(sci_rx_data[1])              	// 解析功能码
	{
	case 0x03:	                            // 收到读取多字的请求
		switch(address)	                    // 解析modbus地址
		{
		case 0x0064:
		   sci_tx_data[0] = 0x01;
		   sci_tx_data[1] = 0x03;
		   sci_tx_data[2] = 16;

		   sci_tx_data[3] = (Fp >> 8);
		   sci_tx_data[4] = (Fp & 0xFF);
		   sci_tx_data[5] = (Fn >> 8);