Dmitry Kovalev / Mbed 2 deprecated LGstaandart

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Dependencies:   mbed

Fork of LG2 by Dmitry Kovalev

host/Source/App/InputOutput.c@23:12e6183f04d4, 2016-02-03 (annotated)

Committer:
Kovalev_D
Date:
Wed Feb 03 10:44:42 2016 +0300
Revision:
23:12e6183f04d4
[thyz

Who changed what in which revision?

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Kovalev_D 23:12e6183f04d4 1 #include "InputOutput.h"
Kovalev_D 23:12e6183f04d4 2 #include "CyclesSync.h"
Kovalev_D 23:12e6183f04d4 3 #include "lpc17xx.h"
Kovalev_D 23:12e6183f04d4 4 //-------------------temp-------
Kovalev_D 23:12e6183f04d4 5 #include "el_lin.h"
Kovalev_D 23:12e6183f04d4 6 INPUT Input;
Kovalev_D 23:12e6183f04d4 7 OUTPUT Output;
Kovalev_D 23:12e6183f04d4 8
Kovalev_D 23:12e6183f04d4 9 volatile uint32_t I2CMasterState = I2C_IDLE;
Kovalev_D 23:12e6183f04d4 10 volatile uint32_t I2CMasterBuffer[I2C_WRITELENGTH];
Kovalev_D 23:12e6183f04d4 11
Kovalev_D 23:12e6183f04d4 12 int ExchangeErr = 0;
Kovalev_D 23:12e6183f04d4 13 //----------------------temp---------------------
Kovalev_D 23:12e6183f04d4 14 extern char test;
Kovalev_D 23:12e6183f04d4 15 /******************************************************************************
Kovalev_D 23:12e6183f04d4 16 ** Function name: G_Photo_Exchange
Kovalev_D 23:12e6183f04d4 17 **
Kovalev_D 23:12e6183f04d4 18 ** Descriptions: Driver for I2C exchange
Kovalev_D 23:12e6183f04d4 19 **
Kovalev_D 23:12e6183f04d4 20 ** parameters: None
Kovalev_D 23:12e6183f04d4 21 ** Returned value: None
Kovalev_D 23:12e6183f04d4 22 **
Kovalev_D 23:12e6183f04d4 23 ******************************************************************************/
Kovalev_D 23:12e6183f04d4 24
Kovalev_D 23:12e6183f04d4 25 void G_Photo_Exchange(void)
Kovalev_D 23:12e6183f04d4 26 {
Kovalev_D 23:12e6183f04d4 27 uint32_t StatValue;
Kovalev_D 23:12e6183f04d4 28 static uint32_t WrIndex;
Kovalev_D 23:12e6183f04d4 29 static int32_t time_out = TIMEOUT;
Kovalev_D 23:12e6183f04d4 30
Kovalev_D 23:12e6183f04d4 31 if (I2CMasterState)
Kovalev_D 23:12e6183f04d4 32 return; //e.transmitting is not active, go away
Kovalev_D 23:12e6183f04d4 33
Kovalev_D 23:12e6183f04d4 34 if (--time_out < 0) //e. valid time period elapsed, go away
Kovalev_D 23:12e6183f04d4 35 {
Kovalev_D 23:12e6183f04d4 36 time_out = TIMEOUT;
Kovalev_D 23:12e6183f04d4 37 I2CMasterState = I2C_IDLE; //e. timer elapsed, go away
Kovalev_D 23:12e6183f04d4 38 LPC_I2C0->CONSET = I2CONSET_STO; //e. Set Stop flag
Kovalev_D 23:12e6183f04d4 39 LPC_I2C0->CONCLR = I2CONCLR_AAC | I2CONCLR_SIC | I2CONCLR_STAC;
Kovalev_D 23:12e6183f04d4 40 return;
Kovalev_D 23:12e6183f04d4 41 }
Kovalev_D 23:12e6183f04d4 42 else if (!(LPC_I2C0->CONSET & I2CONSET_SI)) //e. state of I2C bus has not been changed
Kovalev_D 23:12e6183f04d4 43 return;
Kovalev_D 23:12e6183f04d4 44
Kovalev_D 23:12e6183f04d4 45 StatValue = LPC_I2C0->STAT;
Kovalev_D 23:12e6183f04d4 46
Kovalev_D 23:12e6183f04d4 47 switch ( StatValue )
Kovalev_D 23:12e6183f04d4 48 {
Kovalev_D 23:12e6183f04d4 49 case 0x08: // A Start condition is issued (write data for the first potentiometer)
Kovalev_D 23:12e6183f04d4 50 WrIndex = 0;
Kovalev_D 23:12e6183f04d4 51 time_out = TIMEOUT; //e. enable countdown
Kovalev_D 23:12e6183f04d4 52 LPC_I2C0->DAT = I2CMasterBuffer[WrIndex++]; //e. send address
Kovalev_D 23:12e6183f04d4 53 LPC_I2C0->CONCLR = (I2CONCLR_SIC | I2CONCLR_STAC); //e .clear interrupt bit and start bit
Kovalev_D 23:12e6183f04d4 54 break;
Kovalev_D 23:12e6183f04d4 55
Kovalev_D 23:12e6183f04d4 56 case 0x10: // A repeated started is issued (write data for the second potentiometer)
Kovalev_D 23:12e6183f04d4 57 LPC_I2C0->DAT = I2CMasterBuffer[WrIndex++]; //e. send address
Kovalev_D 23:12e6183f04d4 58 LPC_I2C0->CONCLR = (I2CONCLR_SIC | I2CONCLR_STAC); //e .clear interrupt bit and start bit
Kovalev_D 23:12e6183f04d4 59 break;
Kovalev_D 23:12e6183f04d4 60
Kovalev_D 23:12e6183f04d4 61 case 0x18: //e. Regardless, it's a ACK after slave address reading
Kovalev_D 23:12e6183f04d4 62 LPC_I2C0->DAT = I2CMasterBuffer[WrIndex++]; //e. send another byte
Kovalev_D 23:12e6183f04d4 63 LPC_I2C0->CONCLR = I2CONCLR_SIC; //e. clear interrupt bit
Kovalev_D 23:12e6183f04d4 64 break;
Kovalev_D 23:12e6183f04d4 65
Kovalev_D 23:12e6183f04d4 66 case 0x28: //e. Regardless it's a ACK after data byte
Kovalev_D 23:12e6183f04d4 67 if (WrIndex == I2C_WRITELENGTH) //e. we have transmitted the data for the B potentiometer
Kovalev_D 23:12e6183f04d4 68 {
Kovalev_D 23:12e6183f04d4 69 I2CMasterState = I2C_IDLE;
Kovalev_D 23:12e6183f04d4 70 LPC_I2C0->CONSET = I2CONSET_STO; //e. Set Stop flag
Kovalev_D 23:12e6183f04d4 71 Output.Str.Cnt_Dif = 300;
Kovalev_D 23:12e6183f04d4 72 }
Kovalev_D 23:12e6183f04d4 73 else if (WrIndex == 3)
Kovalev_D 23:12e6183f04d4 74 {
Kovalev_D 23:12e6183f04d4 75 LPC_I2C0->CONSET = I2CONSET_STA;
Kovalev_D 23:12e6183f04d4 76 Output.Str.Cnt_Dif = 200;
Kovalev_D 23:12e6183f04d4 77 }
Kovalev_D 23:12e6183f04d4 78 else
Kovalev_D 23:12e6183f04d4 79 {
Kovalev_D 23:12e6183f04d4 80 LPC_I2C0->DAT = I2CMasterBuffer[WrIndex++]; //e. send another byte
Kovalev_D 23:12e6183f04d4 81 Output.Str.Cnt_Dif = 100;
Kovalev_D 23:12e6183f04d4 82 }
Kovalev_D 23:12e6183f04d4 83 LPC_I2C0->CONCLR = I2CONCLR_SIC; //e. clear interrupt bit
Kovalev_D 23:12e6183f04d4 84 break;
Kovalev_D 23:12e6183f04d4 85
Kovalev_D 23:12e6183f04d4 86 case 0x20: //e. no aknowledgement after address transmitting
Kovalev_D 23:12e6183f04d4 87 case 0x30: //e. no aknowledgement after data block transmitting
Kovalev_D 23:12e6183f04d4 88 LPC_I2C0->CONSET = I2CONSET_STO; //e. Set Stop flag
Kovalev_D 23:12e6183f04d4 89 LPC_I2C0->CONCLR = (I2CONCLR_SIC | I2CONCLR_STAC);
Kovalev_D 23:12e6183f04d4 90 I2CMasterState = I2C_IDLE; //e. fix new state
Kovalev_D 23:12e6183f04d4 91 break;
Kovalev_D 23:12e6183f04d4 92 }
Kovalev_D 23:12e6183f04d4 93 return;
Kovalev_D 23:12e6183f04d4 94 }
Kovalev_D 23:12e6183f04d4 95 /******************************************************************************
Kovalev_D 23:12e6183f04d4 96 ** Function name: DAC_ADC_Exchange
Kovalev_D 23:12e6183f04d4 97 **
Kovalev_D 23:12e6183f04d4 98 ** Descriptions: Loading data to DACs and initialization of ADC reading
Kovalev_D 23:12e6183f04d4 99 **
Kovalev_D 23:12e6183f04d4 100 ** parameters: None
Kovalev_D 23:12e6183f04d4 101 ** Returned value: None
Kovalev_D 23:12e6183f04d4 102 **
Kovalev_D 23:12e6183f04d4 103 ******************************************************************************/
Kovalev_D 23:12e6183f04d4 104 void DAC_ADC_Exchange()
Kovalev_D 23:12e6183f04d4 105 {
Kovalev_D 23:12e6183f04d4 106 //-------------------------loading data from ADC to buffer---------------------------------------
Kovalev_D 23:12e6183f04d4 107 //int x;
Kovalev_D 23:12e6183f04d4 108 ExchangeErr &= ~ADC_ERR_MSK; //e. ñáðîñèòü ôëàã îøèáêè
Kovalev_D 23:12e6183f04d4 109 if (LPC_SSP0->SR & SSP_BUSY) //e. åñëè áóôåð ïåðåäàò÷èêà íå ïîëîí
Kovalev_D 23:12e6183f04d4 110 {
Kovalev_D 23:12e6183f04d4 111 ExchangeErr |= ADC_ERR_MSK; //e. óñòàíîâèòü ôëàã îøèáêè
Kovalev_D 23:12e6183f04d4 112 }
Kovalev_D 23:12e6183f04d4 113 else
Kovalev_D 23:12e6183f04d4 114 {
Kovalev_D 23:12e6183f04d4 115 LPC_SSP0->DR = 0x8001; //çàïèñàòü 0x8001 â ðåãèñòð ïåðåäà÷è.
Kovalev_D 23:12e6183f04d4 116 if (Sys_Clock & 1)//åñëè íå÷åòíûé òàêò òî
Kovalev_D 23:12e6183f04d4 117 {
Kovalev_D 23:12e6183f04d4 118 LPC_SSP0->DR = WRITE_DAC0; //e.êîìàíäà äëÿ ÖÀÏ_0 ïåðåäàâàòü.
Kovalev_D 23:12e6183f04d4 119 LPC_SSP0->DR = (-Output.ArrayOut[3]+32767); //e. ïåðåäà÷à 12 áèò
Kovalev_D 23:12e6183f04d4 120 }
Kovalev_D 23:12e6183f04d4 121 else //åñëè òàêò ÷åòíûé.
Kovalev_D 23:12e6183f04d4 122 {
Kovalev_D 23:12e6183f04d4 123 LPC_SSP0->DR = WRITE_DAC1 ; //e.êîìàíäà äëÿ ÖÀÏ_1 ïåðåäàâàòü.
Kovalev_D 23:12e6183f04d4 124 LPC_SSP0->DR = (Output.ArrayOut[0]<<1) & 0xFFF0; //e. ïåðåäà÷à 12 áèò
Kovalev_D 23:12e6183f04d4 125 }
Kovalev_D 23:12e6183f04d4 126 }
Kovalev_D 23:12e6183f04d4 127 }
Kovalev_D 23:12e6183f04d4 128 /******************************************************************************
Kovalev_D 23:12e6183f04d4 129 ** Function name: ADC_Input
Kovalev_D 23:12e6183f04d4 130 **
Kovalev_D 23:12e6183f04d4 131 ** Descriptions: Reading data from ADC
Kovalev_D 23:12e6183f04d4 132 **
Kovalev_D 23:12e6183f04d4 133 ** parameters: None
Kovalev_D 23:12e6183f04d4 134 ** Returned value: None
Kovalev_D 23:12e6183f04d4 135 **
Kovalev_D 23:12e6183f04d4 136 ******************************************************************************/
Kovalev_D 23:12e6183f04d4 137 void ADC_Input()
Kovalev_D 23:12e6183f04d4 138 {
Kovalev_D 23:12e6183f04d4 139 uint32_t Dummy;
Kovalev_D 23:12e6183f04d4 140
Kovalev_D 23:12e6183f04d4 141 //---------------------read data from ADC buffer---------------------------------------------
Kovalev_D 23:12e6183f04d4 142 Dummy = Dummy;
Kovalev_D 23:12e6183f04d4 143 ExchangeErr &= ~ADC_ERR_MSK;
Kovalev_D 23:12e6183f04d4 144
Kovalev_D 23:12e6183f04d4 145 if (LPC_SSP0->SR & SSP_BUSY) //åñëè áóôåð ôèôî íå ïîëíûé(ïåðåäà÷à àòèâíà)
Kovalev_D 23:12e6183f04d4 146 { ExchangeErr |= ADC_ERR_MSK; //óñòàíîâèòü ôëàã îøèáêè
Kovalev_D 23:12e6183f04d4 147
Kovalev_D 23:12e6183f04d4 148 if (!(LPC_SSP0->SR & TX_SSP_EMPT)) //áóôåð ïåðåäà÷è íå ïóñò.
Kovalev_D 23:12e6183f04d4 149 ExchangeErr |= ADC_ERR_MSK; //óñòàíîâèòü ôëàã îøèáêè
Kovalev_D 23:12e6183f04d4 150 }
Kovalev_D 23:12e6183f04d4 151 else //îáìåí çàêîí÷åí ïðî÷èòàòü áóôåð.
Kovalev_D 23:12e6183f04d4 152 {
Kovalev_D 23:12e6183f04d4 153 Input.ArrayIn[0] = LPC_SSP0->DR; //÷òåíèåThermo2
Kovalev_D 23:12e6183f04d4 154 Input.ArrayIn[1] = LPC_SSP0->DR; //÷òåíèå Thermo1
Kovalev_D 23:12e6183f04d4 155 Input.ArrayIn[2] = LPC_SSP0->DR; //÷òåíèå HF_out
Kovalev_D 23:12e6183f04d4 156
Kovalev_D 23:12e6183f04d4 157 while (LPC_SSP0->SR & RX_SSP_notEMPT) //åñëè áóôåð SPI íå ïóñò.
Kovalev_D 23:12e6183f04d4 158 Dummy = LPC_SSP0->DR; //î÷èñòèòü áóôåð.
Kovalev_D 23:12e6183f04d4 159 }
Kovalev_D 23:12e6183f04d4 160
Kovalev_D 23:12e6183f04d4 161
Kovalev_D 23:12e6183f04d4 162 }
Kovalev_D 23:12e6183f04d4 163 /*****************************************************************************
Kovalev_D 23:12e6183f04d4 164 ** Function name: DAC_Output
Kovalev_D 23:12e6183f04d4 165 **
Kovalev_D 23:12e6183f04d4 166 ** Descriptions: Output data to intrnal DAC
Kovalev_D 23:12e6183f04d4 167 **
Kovalev_D 23:12e6183f04d4 168 ** parameters: output - code for output
Kovalev_D 23:12e6183f04d4 169 ** Returned value: None
Kovalev_D 23:12e6183f04d4 170 **
Kovalev_D 23:12e6183f04d4 171 *****************************************************************************/
Kovalev_D 23:12e6183f04d4 172 void DAC_Output(int output)
Kovalev_D 23:12e6183f04d4 173 {
Kovalev_D 23:12e6183f04d4 174 // LPC_DAC->CR = (output<<6);
Kovalev_D 23:12e6183f04d4 175 return;
Kovalev_D 23:12e6183f04d4 176 }
Kovalev_D 23:12e6183f04d4 177 /******************************************************************************
Kovalev_D 23:12e6183f04d4 178 ** Function name: G_Photo_Init
Kovalev_D 23:12e6183f04d4 179 **
Kovalev_D 23:12e6183f04d4 180 ** Descriptions: Initialization of exchange with digital potentiometers
Kovalev_D 23:12e6183f04d4 181 **
Kovalev_D 23:12e6183f04d4 182 ** parameters: None
Kovalev_D 23:12e6183f04d4 183 ** Returned value: None
Kovalev_D 23:12e6183f04d4 184 **
Kovalev_D 23:12e6183f04d4 185 ******************************************************************************/
Kovalev_D 23:12e6183f04d4 186 void G_Photo_Init(void )
Kovalev_D 23:12e6183f04d4 187 {
Kovalev_D 23:12e6183f04d4 188 LPC_SC->PCONP |= (1 << 19);//âêëþ÷åíèå èíòåðôåéñà I2C.
Kovalev_D 23:12e6183f04d4 189
Kovalev_D 23:12e6183f04d4 190 /* set PIO0.27 and PIO0.28 to I2C0 SDA and SCK */
Kovalev_D 23:12e6183f04d4 191 /* function to 01 on both SDA and SCK. */
Kovalev_D 23:12e6183f04d4 192 LPC_PINCON->PINSEL1 &= ~0x03C00000; //P0.27 - SDA.
Kovalev_D 23:12e6183f04d4 193 LPC_PINCON->PINSEL1 |= 0x01400000; //P0.28 - SCK.
Kovalev_D 23:12e6183f04d4 194
Kovalev_D 23:12e6183f04d4 195 // ïîäòâåðæäåíèå Ôëàã ôëàã ðàçðåøåíèÿ
Kovalev_D 23:12e6183f04d4 196 /*ñáðîñ ôëàãîô ôëàãà ïðåðûâàíèÿ I2C ñòàðòà èíòåðôåéñà I2C */
Kovalev_D 23:12e6183f04d4 197 LPC_I2C0->CONCLR = I2CONCLR_AAC | I2CONCLR_SIC | I2CONCLR_STAC | I2CONCLR_I2ENC; // óñòàíîâêà ìèêðîêîíòðîëëåðà â ðåæèì ìàñòåðà
Kovalev_D 23:12e6183f04d4 198
Kovalev_D 23:12e6183f04d4 199 /*--- Reset registers ---*/
Kovalev_D 23:12e6183f04d4 200 LPC_I2C0->SCLL = I2SCLL_SCLL; // - ñ÷åò÷èê scl low time period
Kovalev_D 23:12e6183f04d4 201 LPC_I2C0->SCLH = I2SCLH_SCLH; // - ñ÷åò÷èê scl high time period
Kovalev_D 23:12e6183f04d4 202
Kovalev_D 23:12e6183f04d4 203 I2CMasterBuffer[0] = A_ADDRESS; //àðåñ ïîòåíöèîìåòðà êàíàëà À
Kovalev_D 23:12e6183f04d4 204 I2CMasterBuffer[1] = WRITE_CMD; //Äàííûå
Kovalev_D 23:12e6183f04d4 205 I2CMasterBuffer[3] = B_ADDRESS; //àðåñ ïîòåíöèîìåòðà êàíàëà Â
Kovalev_D 23:12e6183f04d4 206 I2CMasterBuffer[4] = WRITE_CMD; //Äàííûå
Kovalev_D 23:12e6183f04d4 207
Kovalev_D 23:12e6183f04d4 208 LPC_I2C0->CONSET = I2CONSET_I2EN; //âêëþ÷åíèå èíòåðôåéñà I2C.
Kovalev_D 23:12e6183f04d4 209
Kovalev_D 23:12e6183f04d4 210 }
Kovalev_D 23:12e6183f04d4 211 /******************************************************************************
Kovalev_D 23:12e6183f04d4 212 ** Function name: DAC_ADC_Exchange_Init
Kovalev_D 23:12e6183f04d4 213 **
Kovalev_D 23:12e6183f04d4 214 ** Descriptions: Initialization of data exchange with DACs and ADCs
Kovalev_D 23:12e6183f04d4 215 **
Kovalev_D 23:12e6183f04d4 216 ** parameters: None
Kovalev_D 23:12e6183f04d4 217 ** Returned value: None
Kovalev_D 23:12e6183f04d4 218 **
Kovalev_D 23:12e6183f04d4 219 ******************************************************************************/
Kovalev_D 23:12e6183f04d4 220 void DAC_ADC_Exchange_Init()
Kovalev_D 23:12e6183f04d4 221 {
Kovalev_D 23:12e6183f04d4 222
Kovalev_D 23:12e6183f04d4 223 int Dummy; // èíèöèàëèçàöèÿ ìóñîðêè äëÿ î÷èñòêè áóôåðà ïðèåìà.
Kovalev_D 23:12e6183f04d4 224 Dummy = Dummy;
Kovalev_D 23:12e6183f04d4 225
Kovalev_D 23:12e6183f04d4 226 /* Enable AHB clock to the SSP0, SSP1 */
Kovalev_D 23:12e6183f04d4 227 LPC_SC->PCONP |= (0x1<<21); // âêëþ÷åíèå SSP0.
Kovalev_D 23:12e6183f04d4 228 // LPC_SC->PCONP |= (0x1<<10);
Kovalev_D 23:12e6183f04d4 229
Kovalev_D 23:12e6183f04d4 230 /* âûáîð ÷àñòîòû äëÿ ïåðåôåðèè èñïîëüçóåì ïî óìîë÷àíèÿ ñ äåëèòåëåì îñíîâíîé íà 4 */
Kovalev_D 23:12e6183f04d4 231 LPC_SC->PCLKSEL1 &= ~(0x3<<10); //00 CLK/4; 1 CLK; 2 CLK/2; 3 CLK/8
Kovalev_D 23:12e6183f04d4 232 LPC_SC->PCLKSEL1 |= (0x0<<10); //00 CLK/4; 1 CLK; 2 CLK/2; 3 CLK/8
Kovalev_D 23:12e6183f04d4 233 // LPC_SC->PCLKSEL0 &= ~(0x3<<20);
Kovalev_D 23:12e6183f04d4 234
Kovalev_D 23:12e6183f04d4 235 // P0.15~0.18 as SSP0
Kovalev_D 23:12e6183f04d4 236 LPC_PINCON->PINSEL0 &= ~(0x3UL<<30); //óñòàíîâèò Ð 0.15
Kovalev_D 23:12e6183f04d4 237 LPC_PINCON->PINSEL0 |= (0x2UL<<30); //êàê (???? SCK 0 ???). ÷àñòîòà äëÿ ñèíõðîíèçàöèèè Master - slave
Kovalev_D 23:12e6183f04d4 238
Kovalev_D 23:12e6183f04d4 239 LPC_PINCON->PINSEL1 &= ~((0x3<<0)|(0x3<<2)|(0x3<<4)); // óñòàíèâîèòü Ð 0.17 è Ð 0.18
Kovalev_D 23:12e6183f04d4 240 LPC_PINCON->PINSEL1 |= ((0x2<<2)|(0x2<<4)); // êàê MISO0 è MOSI0
Kovalev_D 23:12e6183f04d4 241
Kovalev_D 23:12e6183f04d4 242 LPC_PINCON->PINMODE0 &= ~(0x3UL<<30);// ? óñòàíîâëåíèå íà Ð 0.15 ðåæèìà On-Chip pull-down resistor enabled
Kovalev_D 23:12e6183f04d4 243 LPC_PINCON->PINMODE0 |= (0x3UL<<30);// ? óñòàíîâëåíèå íà Ð 0.15 ðåæèìà On-Chip pull-down resistor enabled
Kovalev_D 23:12e6183f04d4 244
Kovalev_D 23:12e6183f04d4 245 LPC_PINCON->PINMODE1 &= ~((0x3<<2)|(0x3<<4));// ? óñòàíîâëåíèå íà Ð 0.17 è Ð 0.18 ðåæèìà On-Chip pull-down resistor enabled
Kovalev_D 23:12e6183f04d4 246 LPC_PINCON->PINMODE1 |= ((0x3<<2)|(0x3<<4));// ? óñòàíîâëåíèå íà Ð 0.17 è Ð 0.18 ðåæèìà On-Chip pull-down resistor enabled
Kovalev_D 23:12e6183f04d4 247
Kovalev_D 23:12e6183f04d4 248 /* P0.6~0.9 as SSP1 */
Kovalev_D 23:12e6183f04d4 249 /* LPC_PINCON->PINSEL0 &= ~((0x3<<12)|(0x3<<14)|(0x3<<16)|(0x3<<18));
Kovalev_D 23:12e6183f04d4 250 LPC_PINCON->PINSEL0 |= ((0x2<<12)|(0x2<<14)|(0x2<<16)|(0x2<<18));
Kovalev_D 23:12e6183f04d4 251 LPC_PINCON->PINMODE0 &= ~((0x3<<16)|(0x3<<12)|(0x3<<14)|(0x3<<18));
Kovalev_D 23:12e6183f04d4 252 LPC_PINCON->PINMODE0 |= ((0x3<<16)|(0x3<<14)|(0x3<<18)); */
Kovalev_D 23:12e6183f04d4 253
Kovalev_D 23:12e6183f04d4 254 /* Set DSS data to 16-bit, Frame format TI, SCR is 2 */
Kovalev_D 23:12e6183f04d4 255 LPC_SSP0->CR0 = ((3<<8)|(0<<7)|(0<<4) |0xF); // (0xF)-óñòàíîâëåíèå DSS(Data sise select) â 16-áèòíûé ôîðìàò, (3<<8 scr - âûáîð ÷àñòîòû),
Kovalev_D 23:12e6183f04d4 256 // íèçêèé óðîâåíü ëèíèè òàêòèðîâàíèÿ ìåæäó êàäðàìè, ïðèêðåïëåíèå ïåðåäà÷è ê ïåðâîìó íàðàñòàíèþ òàêòîâîãî ìèãíàëà
Kovalev_D 23:12e6183f04d4 257 // ôîðìàò êàäðà TI.
Kovalev_D 23:12e6183f04d4 258 // LPC_SSP1->CR0 = 0x0207;
Kovalev_D 23:12e6183f04d4 259
Kovalev_D 23:12e6183f04d4 260 /* SSPCPSR clock prescale register, master mode, minimum divisor is 0x02 */
Kovalev_D 23:12e6183f04d4 261 LPC_SSP0->CPSR = 0x2; // freq = CLK/(cpsdvr*(scr+1)) = 1.6 MHz
Kovalev_D 23:12e6183f04d4 262 // LPC_SSP1->CPSR = 0x2;
Kovalev_D 23:12e6183f04d4 263
Kovalev_D 23:12e6183f04d4 264 /*SSP enable, master mode */
Kovalev_D 23:12e6183f04d4 265 LPC_SSP0->CR1 = SSPCR1_SSE;
Kovalev_D 23:12e6183f04d4 266 // LPC_SSP1->CR1 = SSPCR1_SSE;
Kovalev_D 23:12e6183f04d4 267
Kovalev_D 23:12e6183f04d4 268 while (LPC_SSP0->SR & SSP_BUSY);
Kovalev_D 23:12e6183f04d4 269 // while (LPC_SSP1->SR & SSP_BUSY);
Kovalev_D 23:12e6183f04d4 270
Kovalev_D 23:12e6183f04d4 271 while (LPC_SSP0->SR & RX_SSP_notEMPT) /* clear the RxFIFO */
Kovalev_D 23:12e6183f04d4 272 Dummy = LPC_SSP0->DR;
Kovalev_D 23:12e6183f04d4 273 //all pins after reset is in GPIO mode, so CS pins needn't to configure
Kovalev_D 23:12e6183f04d4 274 LPC_GPIO0->FIODIR |= ADC; // P0.16 defined as CS for ADC
Kovalev_D 23:12e6183f04d4 275 LPC_GPIO0->FIOSET |= ADC; // set CS for ADC
Kovalev_D 23:12e6183f04d4 276
Kovalev_D 23:12e6183f04d4 277 LPC_GPIO0->FIODIR |= DAC; // P defined as CS for DAC
Kovalev_D 23:12e6183f04d4 278 LPC_GPIO0->FIOCLR |= DAC; // set CS for DAC
Kovalev_D 23:12e6183f04d4 279 /* while (LPC_SSP1->SR & RX_SSP_notEMPT)
Kovalev_D 23:12e6183f04d4 280 Dummy = LPC_SSP1->DR;*/ /* clear the RxFIFO */
Kovalev_D 23:12e6183f04d4 281 }
Kovalev_D 23:12e6183f04d4 282 /*****************************************************************************
Kovalev_D 23:12e6183f04d4 283 ** Function name: DACInit
Kovalev_D 23:12e6183f04d4 284 **
Kovalev_D 23:12e6183f04d4 285 ** Descriptions: initialize DAC channel
Kovalev_D 23:12e6183f04d4 286 **
Kovalev_D 23:12e6183f04d4 287 ** parameters: None
Kovalev_D 23:12e6183f04d4 288 ** Returned value: None
Kovalev_D 23:12e6183f04d4 289 **
Kovalev_D 23:12e6183f04d4 290 *****************************************************************************/
Kovalev_D 23:12e6183f04d4 291 void DACInit( void )
Kovalev_D 23:12e6183f04d4 292 {
Kovalev_D 23:12e6183f04d4 293 /* setup the related pin to DAC output */
Kovalev_D 23:12e6183f04d4 294 LPC_PINCON->PINSEL1 |= 0x00200000; /* óñòàíîâèòü p0.26 êàê âûõîä ÖÀÏ */
Kovalev_D 23:12e6183f04d4 295 // LPC_GPIO0->FIODIR |= (1<<26);
Kovalev_D 23:12e6183f04d4 296 LPC_DAC->CNTVAL = 0; // êêàèåòî ïàðàìåòðû
Kovalev_D 23:12e6183f04d4 297 LPC_DAC->CTRL = 0; // äëÿ ÄÌÀ
Kovalev_D 23:12e6183f04d4 298 return;
Kovalev_D 23:12e6183f04d4 299 }
Kovalev_D 23:12e6183f04d4 300 /******************************************************************************
Kovalev_D 23:12e6183f04d4 301 ** Function name: Out_G_photo
Kovalev_D 23:12e6183f04d4 302 **
Kovalev_D 23:12e6183f04d4 303 ** Descriptions: Start of potentiometer data writing process
Kovalev_D 23:12e6183f04d4 304 **
Kovalev_D 23:12e6183f04d4 305 ** parameters: pointer to gain factors
Kovalev_D 23:12e6183f04d4 306 ** Returned value: None
Kovalev_D 23:12e6183f04d4 307 **
Kovalev_D 23:12e6183f04d4 308 ******************************************************************************/
Kovalev_D 23:12e6183f04d4 309 void Out_G_photo(uint32_t Ph_A, uint32_t Ph_B)
Kovalev_D 23:12e6183f04d4 310 {
Kovalev_D 23:12e6183f04d4 311 I2CMasterBuffer[2] = Ph_A;// çàïèñü â áóôåð I2C ìàñòåðà äàííûõ ñ À êàíàëà ôîòî äàò÷èêà.(óòî÷íèòü)
Kovalev_D 23:12e6183f04d4 312 I2CMasterBuffer[5] = Ph_B;// çàïèñü â áóôåð I2C ìàñòåðà äàííûõ ñ  êàíàëà ôîòî äàò÷èêà.(óòî÷íèòü)
Kovalev_D 23:12e6183f04d4 313
Kovalev_D 23:12e6183f04d4 314 LPC_I2C0->CONSET = I2CONSET_STA; // óñòàíîâèòü ñòàðò ôëàã.
Kovalev_D 23:12e6183f04d4 315 I2CMasterState = I2C_BUSY; // óñòàíîâèòü ôëàã çàíÿòîé øèíû.
Kovalev_D 23:12e6183f04d4 316 }