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Fork of LG by
el_lin.c@0:8ad47e2b6f00, 2016-01-30 (annotated)
- Committer:
- igor_v
- Date:
- Sat Jan 30 13:00:39 2016 +0000
- Revision:
- 0:8ad47e2b6f00
- Child:
- 1:f2adcae3d304
2016_01_30;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
igor_v | 0:8ad47e2b6f00 | 1 | |
igor_v | 0:8ad47e2b6f00 | 2 | /**--------------File Info--------------------------------------------------------------------------------- |
igor_v | 0:8ad47e2b6f00 | 3 | ** File name: el_lin.c |
igor_v | 0:8ad47e2b6f00 | 4 | ** Last modified Date: 2011-08-22 |
igor_v | 0:8ad47e2b6f00 | 5 | ** Last Version: V1.00 |
igor_v | 0:8ad47e2b6f00 | 6 | **-------------------------------------------------------------------------------------------------------- |
igor_v | 0:8ad47e2b6f00 | 7 | ** Created by: Electrooptica Incor. |
igor_v | 0:8ad47e2b6f00 | 8 | ** Created date: 2011-08-22 |
igor_v | 0:8ad47e2b6f00 | 9 | ** Version: V1.00 |
igor_v | 0:8ad47e2b6f00 | 10 | **-------------------------------------------------------------------------------------------------------- |
igor_v | 0:8ad47e2b6f00 | 11 | *********************************************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 12 | #include "CyclesSync.h" |
igor_v | 0:8ad47e2b6f00 | 13 | #include "CntrlGLD.h" |
igor_v | 0:8ad47e2b6f00 | 14 | #include "el_lin.h" |
igor_v | 0:8ad47e2b6f00 | 15 | |
igor_v | 0:8ad47e2b6f00 | 16 | #define UART1TEST |
igor_v | 0:8ad47e2b6f00 | 17 | #define UART1REC |
igor_v | 0:8ad47e2b6f00 | 18 | /* |
igor_v | 0:8ad47e2b6f00 | 19 | struct { |
igor_v | 0:8ad47e2b6f00 | 20 | uint32_t rcv_num_byt; |
igor_v | 0:8ad47e2b6f00 | 21 | uint32_t rcv_num_byt_old; |
igor_v | 0:8ad47e2b6f00 | 22 | uint32_t rcv_Rdy; |
igor_v | 0:8ad47e2b6f00 | 23 | char rcv_copy[64]; |
igor_v | 0:8ad47e2b6f00 | 24 | char rcv_buf[64]; |
igor_v | 0:8ad47e2b6f00 | 25 | int32_t rx_buf_copy; |
igor_v | 0:8ad47e2b6f00 | 26 | int32_t rcv_byt_copy; |
igor_v | 0:8ad47e2b6f00 | 27 | }RECIEVER; |
igor_v | 0:8ad47e2b6f00 | 28 | |
igor_v | 0:8ad47e2b6f00 | 29 | struct { |
igor_v | 0:8ad47e2b6f00 | 30 | uint32_t trm_num_byt; |
igor_v | 0:8ad47e2b6f00 | 31 | uint32_t trm_rate; |
igor_v | 0:8ad47e2b6f00 | 32 | uint32_t trm_cycl; |
igor_v | 0:8ad47e2b6f00 | 33 | uint32_t num_of_par; |
igor_v | 0:8ad47e2b6f00 | 34 | char trm_buf[64]; |
igor_v | 0:8ad47e2b6f00 | 35 | void* addr_param[16]; |
igor_v | 0:8ad47e2b6f00 | 36 | uint32_t size_param[16]; |
igor_v | 0:8ad47e2b6f00 | 37 | uint32_t trm_ena; |
igor_v | 0:8ad47e2b6f00 | 38 | }TRANSMITTER; |
igor_v | 0:8ad47e2b6f00 | 39 | */ |
igor_v | 0:8ad47e2b6f00 | 40 | uint32_t rcv_num_byt; |
igor_v | 0:8ad47e2b6f00 | 41 | uint32_t rcv_num_byt_old; |
igor_v | 0:8ad47e2b6f00 | 42 | uint32_t rcv_Rdy; |
igor_v | 0:8ad47e2b6f00 | 43 | char rcv_copy[64]; |
igor_v | 0:8ad47e2b6f00 | 44 | char rcv_buf[64]; |
igor_v | 0:8ad47e2b6f00 | 45 | int32_t rx_buf_copy; |
igor_v | 0:8ad47e2b6f00 | 46 | int32_t rcv_byt_copy; |
igor_v | 0:8ad47e2b6f00 | 47 | |
igor_v | 0:8ad47e2b6f00 | 48 | uint32_t trm_num_byt; |
igor_v | 0:8ad47e2b6f00 | 49 | uint32_t trm_rate; |
igor_v | 0:8ad47e2b6f00 | 50 | uint32_t num_of_par; |
igor_v | 0:8ad47e2b6f00 | 51 | char trm_buf[64]; |
igor_v | 0:8ad47e2b6f00 | 52 | void* addr_param[16]; |
igor_v | 0:8ad47e2b6f00 | 53 | uint32_t size_param[16]; |
igor_v | 0:8ad47e2b6f00 | 54 | uint32_t trm_ena; |
igor_v | 0:8ad47e2b6f00 | 55 | |
igor_v | 0:8ad47e2b6f00 | 56 | uint32_t line_err; |
igor_v | 0:8ad47e2b6f00 | 57 | uint32_t line_sts; |
igor_v | 0:8ad47e2b6f00 | 58 | |
igor_v | 0:8ad47e2b6f00 | 59 | uint32_t EnablLength = 12; |
igor_v | 0:8ad47e2b6f00 | 60 | uint32_t LLI0_TypeDef[4]; |
igor_v | 0:8ad47e2b6f00 | 61 | uint32_t LLI1_TypeDef[4]; |
igor_v | 0:8ad47e2b6f00 | 62 | uint32_t EnablTx = 0x80; |
igor_v | 0:8ad47e2b6f00 | 63 | uint32_t EnablDMA = 0; |
igor_v | 0:8ad47e2b6f00 | 64 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 65 | ** Function name: DMA_IRQHandler |
igor_v | 0:8ad47e2b6f00 | 66 | ** |
igor_v | 0:8ad47e2b6f00 | 67 | ** Descriptions: DMA interrupt handler |
igor_v | 0:8ad47e2b6f00 | 68 | ** |
igor_v | 0:8ad47e2b6f00 | 69 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 70 | ** Returned value: None |
igor_v | 0:8ad47e2b6f00 | 71 | ** |
igor_v | 0:8ad47e2b6f00 | 72 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 73 | int check_lcc(void) //e. CRC checking //r.ïðîâåðêà êîíòðîëüíîé ñóììû |
igor_v | 0:8ad47e2b6f00 | 74 | { |
igor_v | 0:8ad47e2b6f00 | 75 | int iCRC_calc, CRC_calc = 0, CRC_real; |
igor_v | 0:8ad47e2b6f00 | 76 | |
igor_v | 0:8ad47e2b6f00 | 77 | for (iCRC_calc = 1; iCRC_calc < (rcv_num_byt-2); iCRC_calc++) |
igor_v | 0:8ad47e2b6f00 | 78 | CRC_calc += rcv_buf[iCRC_calc]; |
igor_v | 0:8ad47e2b6f00 | 79 | |
igor_v | 0:8ad47e2b6f00 | 80 | CRC_real = (rcv_buf[rcv_num_byt-2] << 8) | rcv_buf[rcv_num_byt-1]; |
igor_v | 0:8ad47e2b6f00 | 81 | |
igor_v | 0:8ad47e2b6f00 | 82 | return (CRC_real - CRC_calc); |
igor_v | 0:8ad47e2b6f00 | 83 | } |
igor_v | 0:8ad47e2b6f00 | 84 | void PacketSafing(void) |
igor_v | 0:8ad47e2b6f00 | 85 | { |
igor_v | 0:8ad47e2b6f00 | 86 | /* int j; static char rcv_buf_copy[16]; |
igor_v | 0:8ad47e2b6f00 | 87 | for (j=2; j<rcv_num_byt; j++) |
igor_v | 0:8ad47e2b6f00 | 88 | { |
igor_v | 0:8ad47e2b6f00 | 89 | if (rcv_buf[j] == 0xCC); |
igor_v | 0:8ad47e2b6f00 | 90 | rcv_buf_copy[0] = 0xCC; |
igor_v | 0:8ad47e2b6f00 | 91 | // if ((rcv_buf[j] < 3) || (rcv_buf[j] == 0x1F)) |
igor_v | 0:8ad47e2b6f00 | 92 | } */ |
igor_v | 0:8ad47e2b6f00 | 93 | } |
igor_v | 0:8ad47e2b6f00 | 94 | |
igor_v | 0:8ad47e2b6f00 | 95 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 96 | ** Function name: Line_1_Rcv |
igor_v | 0:8ad47e2b6f00 | 97 | ** |
igor_v | 0:8ad47e2b6f00 | 98 | ** Descriptions: receive process preparation |
igor_v | 0:8ad47e2b6f00 | 99 | ** |
igor_v | 0:8ad47e2b6f00 | 100 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 101 | ** Returned value: None |
igor_v | 0:8ad47e2b6f00 | 102 | ** |
igor_v | 0:8ad47e2b6f00 | 103 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 104 | void Line_1_Rcv(void) |
igor_v | 0:8ad47e2b6f00 | 105 | { |
igor_v | 0:8ad47e2b6f00 | 106 | static int ToWaitEnd, ErrReg ; |
igor_v | 0:8ad47e2b6f00 | 107 | |
igor_v | 0:8ad47e2b6f00 | 108 | |
igor_v | 0:8ad47e2b6f00 | 109 | |
igor_v | 0:8ad47e2b6f00 | 110 | |
igor_v | 0:8ad47e2b6f00 | 111 | while ((LPC_UART1->LSR & RecievBufEmpty) != 0) //e. reciever contain some information |
igor_v | 0:8ad47e2b6f00 | 112 | rcv_buf[rcv_num_byt++] = LPC_UART1->RBR;//÷òåíèå èíôîðìàöèè èç áóôåðà. |
igor_v | 0:8ad47e2b6f00 | 113 | |
igor_v | 0:8ad47e2b6f00 | 114 | |
igor_v | 0:8ad47e2b6f00 | 115 | |
igor_v | 0:8ad47e2b6f00 | 116 | |
igor_v | 0:8ad47e2b6f00 | 117 | if (( ToWaitEnd > 25000)) //e. end part of packet is absent //r. íå äîæäàëèñü êîíöà ïàêåòà |
igor_v | 0:8ad47e2b6f00 | 118 | { |
igor_v | 0:8ad47e2b6f00 | 119 | do |
igor_v | 0:8ad47e2b6f00 | 120 | rcv_buf[--rcv_num_byt] = 0; |
igor_v | 0:8ad47e2b6f00 | 121 | while(rcv_num_byt); |
igor_v | 0:8ad47e2b6f00 | 122 | rcv_num_byt_old = rcv_num_byt; |
igor_v | 0:8ad47e2b6f00 | 123 | #if defined UART1REC |
igor_v | 0:8ad47e2b6f00 | 124 | LPC_UART1->FCR |= RX_FIFO_Reset; |
igor_v | 0:8ad47e2b6f00 | 125 | #else |
igor_v | 0:8ad47e2b6f00 | 126 | LPC_UART0->FCR |= RX_FIFO_Reset; |
igor_v | 0:8ad47e2b6f00 | 127 | #endif |
igor_v | 0:8ad47e2b6f00 | 128 | // L1_Rc_err (TIMEOUT_ERR); |
igor_v | 0:8ad47e2b6f00 | 129 | ToWaitEnd = 0; |
igor_v | 0:8ad47e2b6f00 | 130 | return; |
igor_v | 0:8ad47e2b6f00 | 131 | } |
igor_v | 0:8ad47e2b6f00 | 132 | if (rcv_num_byt_old == rcv_num_byt) //e. we have not received any new bytes |
igor_v | 0:8ad47e2b6f00 | 133 | { |
igor_v | 0:8ad47e2b6f00 | 134 | if (ToWaitEnd) ToWaitEnd++; |
igor_v | 0:8ad47e2b6f00 | 135 | return; |
igor_v | 0:8ad47e2b6f00 | 136 | } |
igor_v | 0:8ad47e2b6f00 | 137 | rcv_num_byt_old = rcv_num_byt; |
igor_v | 0:8ad47e2b6f00 | 138 | |
igor_v | 0:8ad47e2b6f00 | 139 | if ((rcv_num_byt < 6) || ((rcv_num_byt & 0x0001) == 1)) |
igor_v | 0:8ad47e2b6f00 | 140 | { |
igor_v | 0:8ad47e2b6f00 | 141 | ToWaitEnd++; |
igor_v | 0:8ad47e2b6f00 | 142 | return; |
igor_v | 0:8ad47e2b6f00 | 143 | } |
igor_v | 0:8ad47e2b6f00 | 144 | |
igor_v | 0:8ad47e2b6f00 | 145 | if ((!ToWaitEnd) && (rcv_num_byt > 1)) //e. the header of packet has not recieved //r. îæèäàåì íà÷àëî ïàêåòà |
igor_v | 0:8ad47e2b6f00 | 146 | if ((rcv_buf[0] != 0xCC) || (( rcv_buf[1] > 2) && ( rcv_buf[1] != 0x1F))) |
igor_v | 0:8ad47e2b6f00 | 147 | { |
igor_v | 0:8ad47e2b6f00 | 148 | // L1_Rc_err (HEADER_ERR); |
igor_v | 0:8ad47e2b6f00 | 149 | ErrReg |= 5; |
igor_v | 0:8ad47e2b6f00 | 150 | ToWaitEnd++; |
igor_v | 0:8ad47e2b6f00 | 151 | return; |
igor_v | 0:8ad47e2b6f00 | 152 | } |
igor_v | 0:8ad47e2b6f00 | 153 | // if (ErrReg != 0) //e. trying of recovering of packet //r. ñïàñåíèå ñëåäóþùåãî ïàêåòà |
igor_v | 0:8ad47e2b6f00 | 154 | // PacketSafing(); |
igor_v | 0:8ad47e2b6f00 | 155 | |
igor_v | 0:8ad47e2b6f00 | 156 | |
igor_v | 0:8ad47e2b6f00 | 157 | if (rcv_num_byt == 6) |
igor_v | 0:8ad47e2b6f00 | 158 | { |
igor_v | 0:8ad47e2b6f00 | 159 | if ((rcv_buf[2] == 0x0A) || (rcv_buf[2] == 0xE0) || (rcv_buf[2] == 0xE4) || (rcv_buf[2] == 0xE6) || (rcv_buf[2] == 0xE8)) |
igor_v | 0:8ad47e2b6f00 | 160 | { //e. packet length is not valid, so we have the error //r. îøèáêà ðàçìåðà ïàêåòà |
igor_v | 0:8ad47e2b6f00 | 161 | ToWaitEnd++; |
igor_v | 0:8ad47e2b6f00 | 162 | return; |
igor_v | 0:8ad47e2b6f00 | 163 | } |
igor_v | 0:8ad47e2b6f00 | 164 | |
igor_v | 0:8ad47e2b6f00 | 165 | } |
igor_v | 0:8ad47e2b6f00 | 166 | else if (rcv_num_byt == 8) |
igor_v | 0:8ad47e2b6f00 | 167 | { |
igor_v | 0:8ad47e2b6f00 | 168 | if ((rcv_buf[2] == 0xE0) || (rcv_buf[2] == 0xE4)) |
igor_v | 0:8ad47e2b6f00 | 169 | { |
igor_v | 0:8ad47e2b6f00 | 170 | ToWaitEnd++; |
igor_v | 0:8ad47e2b6f00 | 171 | return; |
igor_v | 0:8ad47e2b6f00 | 172 | } |
igor_v | 0:8ad47e2b6f00 | 173 | } |
igor_v | 0:8ad47e2b6f00 | 174 | if (check_lcc() != 0) //e. checksum is bad //r.êîíòðîëüíûå ñóììû íå ðàâíû |
igor_v | 0:8ad47e2b6f00 | 175 | { |
igor_v | 0:8ad47e2b6f00 | 176 | |
igor_v | 0:8ad47e2b6f00 | 177 | return; |
igor_v | 0:8ad47e2b6f00 | 178 | } |
igor_v | 0:8ad47e2b6f00 | 179 | else //e. cheksum is not bad //r.êîíòðîëüíûå ñóììû ðàâíû |
igor_v | 0:8ad47e2b6f00 | 180 | { |
igor_v | 0:8ad47e2b6f00 | 181 | rcv_Rdy = 1; |
igor_v | 0:8ad47e2b6f00 | 182 | } |
igor_v | 0:8ad47e2b6f00 | 183 | ToWaitEnd = 0; |
igor_v | 0:8ad47e2b6f00 | 184 | |
igor_v | 0:8ad47e2b6f00 | 185 | return; |
igor_v | 0:8ad47e2b6f00 | 186 | |
igor_v | 0:8ad47e2b6f00 | 187 | } |
igor_v | 0:8ad47e2b6f00 | 188 | /* |
igor_v | 0:8ad47e2b6f00 | 189 | void L1_Rc_err (int Error) //e. error fixing and reciever restart //r. ìîäóëü ôèêñàöèè îøèáêè è ïåðåçàïóñêà ïðèåìíèêà |
igor_v | 0:8ad47e2b6f00 | 190 | { |
igor_v | 0:8ad47e2b6f00 | 191 | int temp; |
igor_v | 0:8ad47e2b6f00 | 192 | line_sts |= Error; |
igor_v | 0:8ad47e2b6f00 | 193 | temp = Copy_SRgR & (~Rcv_Rdy); |
igor_v | 0:8ad47e2b6f00 | 194 | io_space_write(Sys_RgR, temp); |
igor_v | 0:8ad47e2b6f00 | 195 | temp |= Rcv_Rdy; |
igor_v | 0:8ad47e2b6f00 | 196 | asm("nop;"); |
igor_v | 0:8ad47e2b6f00 | 197 | io_space_write(Sys_RgR, temp); |
igor_v | 0:8ad47e2b6f00 | 198 | return; |
igor_v | 0:8ad47e2b6f00 | 199 | } |
igor_v | 0:8ad47e2b6f00 | 200 | */ |
igor_v | 0:8ad47e2b6f00 | 201 | |
igor_v | 0:8ad47e2b6f00 | 202 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 203 | ** Function name: transm_DAT |
igor_v | 0:8ad47e2b6f00 | 204 | ** |
igor_v | 0:8ad47e2b6f00 | 205 | ** Descriptions: transmit process preparation |
igor_v | 0:8ad47e2b6f00 | 206 | ** |
igor_v | 0:8ad47e2b6f00 | 207 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 208 | ** Returned value: None |
igor_v | 0:8ad47e2b6f00 | 209 | ** |
igor_v | 0:8ad47e2b6f00 | 210 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 211 | |
igor_v | 0:8ad47e2b6f00 | 212 | |
igor_v | 0:8ad47e2b6f00 | 213 | void transm_DAT(void) |
igor_v | 0:8ad47e2b6f00 | 214 | { |
igor_v | 0:8ad47e2b6f00 | 215 | uint32_t param, param_byte, CRC; |
igor_v | 0:8ad47e2b6f00 | 216 | int32_t *trans_param; |
igor_v | 0:8ad47e2b6f00 | 217 | |
igor_v | 0:8ad47e2b6f00 | 218 | if ((LPC_UART1->LSR & TRANS_SHIFT_BUF_EMPTY)) //r. ïåðåäàþùèé áóôåð ïóñò |
igor_v | 0:8ad47e2b6f00 | 219 | if (!( LPC_GPDMACH1->CConfig & (1<<17))) |
igor_v | 0:8ad47e2b6f00 | 220 | LPC_GPIO2->FIOCLR |= 8; //switch off UART1 driver |
igor_v | 0:8ad47e2b6f00 | 221 | |
igor_v | 0:8ad47e2b6f00 | 222 | if (trm_ena == 0) |
igor_v | 0:8ad47e2b6f00 | 223 | { |
igor_v | 0:8ad47e2b6f00 | 224 | // LPC_GPIO1->FIOCLR = (0x01<<30); //r.ïåðåäà÷à òðåáóåòñÿ? |
igor_v | 0:8ad47e2b6f00 | 225 | return; //r. åñëè íåò, âîçâðàò |
igor_v | 0:8ad47e2b6f00 | 226 | } |
igor_v | 0:8ad47e2b6f00 | 227 | |
igor_v | 0:8ad47e2b6f00 | 228 | if (!(LPC_UART1->LSR & TRANS_SHIFT_BUF_EMPTY)) //r. ïåðåäàþùèé áóôåð ïóñò |
igor_v | 0:8ad47e2b6f00 | 229 | return; |
igor_v | 0:8ad47e2b6f00 | 230 | |
igor_v | 0:8ad47e2b6f00 | 231 | if ( LPC_GPDMACH1->CConfig & (1<<17)) //r. åñëè êàíàë ïåðåäà÷è çàíÿò, æäàòü |
igor_v | 0:8ad47e2b6f00 | 232 | return; |
igor_v | 0:8ad47e2b6f00 | 233 | |
igor_v | 0:8ad47e2b6f00 | 234 | //#if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 235 | // if (LPC_SC->DMAREQSEL == 0x8) //e. DMA request from UART |
igor_v | 0:8ad47e2b6f00 | 236 | // LPC_GPIO2->FIOSET |= (1<<3); //e. set enable UART bit |
igor_v | 0:8ad47e2b6f00 | 237 | //#endif |
igor_v | 0:8ad47e2b6f00 | 238 | |
igor_v | 0:8ad47e2b6f00 | 239 | trm_ena = 0; //r. ñáðîñèòü ôëàã ðàçðåøåíèÿ ïåðåäà÷è |
igor_v | 0:8ad47e2b6f00 | 240 | |
igor_v | 0:8ad47e2b6f00 | 241 | trm_num_byt = 2; |
igor_v | 0:8ad47e2b6f00 | 242 | |
igor_v | 0:8ad47e2b6f00 | 243 | trm_buf[0] = 0x00dd; //r. çàãîëîâîê ïàêåòà |
igor_v | 0:8ad47e2b6f00 | 244 | trm_buf[1] = Device_blk.Str.My_Addres; //r. àäðåñ ïðèáîðà |
igor_v | 0:8ad47e2b6f00 | 245 | |
igor_v | 0:8ad47e2b6f00 | 246 | CRC = trm_buf[1]; //r.èíèöèàëèçàöèÿ ñ÷åò÷èêà êîíòðîëüíîé ñóììû |
igor_v | 0:8ad47e2b6f00 | 247 | for ( param = 0; param < num_of_par; param++) //r.öèêë ôîðìèðîâàíèÿ áëîêà äàííûõ ïàêåòà |
igor_v | 0:8ad47e2b6f00 | 248 | { |
igor_v | 0:8ad47e2b6f00 | 249 | trans_param = (int32_t *)addr_param[param]; //r. ÷òåíèå àäðåñà îäíîãî èç âûäàâàåìûõ â ïàêåòå ïàðàìåòðîâ |
igor_v | 0:8ad47e2b6f00 | 250 | |
igor_v | 0:8ad47e2b6f00 | 251 | for (param_byte = 0; param_byte < size_param[param]; param_byte++) |
igor_v | 0:8ad47e2b6f00 | 252 | { |
igor_v | 0:8ad47e2b6f00 | 253 | if ( (param_byte & 0x0001) == 0 ) //r. ñ÷èòûâàåì ñòàðøèé áàéò |
igor_v | 0:8ad47e2b6f00 | 254 | trm_buf[trm_num_byt] = (*trans_param >> (8/**(size_param[param]-param_byte-1)*/)) & 0x00ff; //r.ðàçìåùåíèå ïåðåäàâàåìîãî ïàðàìåòðà â ïàêåòå |
igor_v | 0:8ad47e2b6f00 | 255 | else |
igor_v | 0:8ad47e2b6f00 | 256 | { |
igor_v | 0:8ad47e2b6f00 | 257 | trm_buf[trm_num_byt] = *trans_param & 0x00ff; |
igor_v | 0:8ad47e2b6f00 | 258 | trans_param ++; //r.ïåðåõîäèì ê ñëåäóþùåé ÿ÷åéêå ïàìÿòè |
igor_v | 0:8ad47e2b6f00 | 259 | } |
igor_v | 0:8ad47e2b6f00 | 260 | CRC += trm_buf[trm_num_byt]; //r. âû÷èñëåíèå òåêóùåé êîíòðîëüíîé ñóììû |
igor_v | 0:8ad47e2b6f00 | 261 | trm_num_byt++; //r. êîëè÷åñòâî áèò, îòïðàâëåííûõ â ïàêåò |
igor_v | 0:8ad47e2b6f00 | 262 | } |
igor_v | 0:8ad47e2b6f00 | 263 | } |
igor_v | 0:8ad47e2b6f00 | 264 | trm_buf[trm_num_byt] = CRC >> 8; //r. çàïèñü êîíòðîëüíîé ñóììû â ïàêåò |
igor_v | 0:8ad47e2b6f00 | 265 | trm_buf[trm_num_byt+1] = CRC & 0x00ff; |
igor_v | 0:8ad47e2b6f00 | 266 | |
igor_v | 0:8ad47e2b6f00 | 267 | trm_num_byt += 2; |
igor_v | 0:8ad47e2b6f00 | 268 | |
igor_v | 0:8ad47e2b6f00 | 269 | LPC_GPDMACH1->CSrcAddr = (uint32_t)&trm_buf; |
igor_v | 0:8ad47e2b6f00 | 270 | |
igor_v | 0:8ad47e2b6f00 | 271 | LPC_GPDMACH1->CControl &= ~0xFFF; //e. reset of numer bytes for transmitting |
igor_v | 0:8ad47e2b6f00 | 272 | LPC_GPDMACH2->CControl &= ~0xFFF; //e. reset of numer bytes for transmitting |
igor_v | 0:8ad47e2b6f00 | 273 | |
igor_v | 0:8ad47e2b6f00 | 274 | LPC_GPDMACH1->CLLI = 0; //e. linked list is empty |
igor_v | 0:8ad47e2b6f00 | 275 | |
igor_v | 0:8ad47e2b6f00 | 276 | if (trm_num_byt > 16) //e. a packet is too long for FIFO |
igor_v | 0:8ad47e2b6f00 | 277 | { |
igor_v | 0:8ad47e2b6f00 | 278 | LPC_GPDMACH1->CControl |= 16; //e. set length of first packet part |
igor_v | 0:8ad47e2b6f00 | 279 | LPC_GPDMACH1->CLLI = (uint32_t)&LLI0_TypeDef; //e. initialize chain for other parts transmitting |
igor_v | 0:8ad47e2b6f00 | 280 | } |
igor_v | 0:8ad47e2b6f00 | 281 | else |
igor_v | 0:8ad47e2b6f00 | 282 | LPC_GPDMACH1->CControl |= trm_num_byt; |
igor_v | 0:8ad47e2b6f00 | 283 | |
igor_v | 0:8ad47e2b6f00 | 284 | LPC_GPDMACH2->CControl |= 1; //e. set 1 transfert for enable signal |
igor_v | 0:8ad47e2b6f00 | 285 | #if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 286 | LPC_UART1->TER = 0; //e. disable data output to UART1 |
igor_v | 0:8ad47e2b6f00 | 287 | #endif |
igor_v | 0:8ad47e2b6f00 | 288 | if (Device_Mode < 4) //e. work with internal latch |
igor_v | 0:8ad47e2b6f00 | 289 | { |
igor_v | 0:8ad47e2b6f00 | 290 | LPC_TIM0->TCR = 1; //e. start timer |
igor_v | 0:8ad47e2b6f00 | 291 | //-------------------debug----------------------------------------- |
igor_v | 0:8ad47e2b6f00 | 292 | LPC_GPIO2->FIOSET |= 8; //turn on RS-422 driver |
igor_v | 0:8ad47e2b6f00 | 293 | //-------------------debug----------------------------------------- |
igor_v | 0:8ad47e2b6f00 | 294 | |
igor_v | 0:8ad47e2b6f00 | 295 | LPC_GPDMACH1->CConfig |= DMAChannelEn; //e. DMA for UART transmition |
igor_v | 0:8ad47e2b6f00 | 296 | //LPC_GPIO1->FIOSET = (0x1<<30); |
igor_v | 0:8ad47e2b6f00 | 297 | |
igor_v | 0:8ad47e2b6f00 | 298 | } |
igor_v | 0:8ad47e2b6f00 | 299 | |
igor_v | 0:8ad47e2b6f00 | 300 | LPC_GPDMACH2->CConfig |= DMAChannelEn; //e. DMA for enable signal |
igor_v | 0:8ad47e2b6f00 | 301 | return; |
igor_v | 0:8ad47e2b6f00 | 302 | } |
igor_v | 0:8ad47e2b6f00 | 303 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 304 | ** Function name: DMA_Init |
igor_v | 0:8ad47e2b6f00 | 305 | ** |
igor_v | 0:8ad47e2b6f00 | 306 | ** Descriptions: |
igor_v | 0:8ad47e2b6f00 | 307 | ** |
igor_v | 0:8ad47e2b6f00 | 308 | ** parameters: |
igor_v | 0:8ad47e2b6f00 | 309 | ** Returned value: |
igor_v | 0:8ad47e2b6f00 | 310 | ** |
igor_v | 0:8ad47e2b6f00 | 311 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 312 | void DMA_Init( void ) |
igor_v | 0:8ad47e2b6f00 | 313 | { |
igor_v | 0:8ad47e2b6f00 | 314 | /* Enable CLOCK into GPDMA controller */ |
igor_v | 0:8ad47e2b6f00 | 315 | LPC_SC->PCONP |= GPDMA_POWER_ON; |
igor_v | 0:8ad47e2b6f00 | 316 | |
igor_v | 0:8ad47e2b6f00 | 317 | /* Select primary function(UART0/1/2/3) in DMA channels, |
igor_v | 0:8ad47e2b6f00 | 318 | secondary is timer 0/1/2/3. */ |
igor_v | 0:8ad47e2b6f00 | 319 | #if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 320 | LPC_SC->DMAREQSEL = 3; |
igor_v | 0:8ad47e2b6f00 | 321 | #endif |
igor_v | 0:8ad47e2b6f00 | 322 | //LPC_GPDMA->Sync = (0x1<<DMA_UART0_RX)|(0x1<<DMA_UART1_TX); //synchronization logic is enabled by default |
igor_v | 0:8ad47e2b6f00 | 323 | LPC_GPDMA->Config = DMA_ControllerEn | DMA_AHB_Little; |
igor_v | 0:8ad47e2b6f00 | 324 | while ( !(LPC_GPDMA->Config & DMA_ControllerEn) ); //wait until DMA_Controller switched on |
igor_v | 0:8ad47e2b6f00 | 325 | |
igor_v | 0:8ad47e2b6f00 | 326 | NVIC_DisableIRQ(DMA_IRQn); |
igor_v | 0:8ad47e2b6f00 | 327 | return; |
igor_v | 0:8ad47e2b6f00 | 328 | } |
igor_v | 0:8ad47e2b6f00 | 329 | |
igor_v | 0:8ad47e2b6f00 | 330 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 331 | ** Function name: UARTInit |
igor_v | 0:8ad47e2b6f00 | 332 | ** |
igor_v | 0:8ad47e2b6f00 | 333 | ** Descriptions: Initialisation of UART on 38400 baud |
igor_v | 0:8ad47e2b6f00 | 334 | ** |
igor_v | 0:8ad47e2b6f00 | 335 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 336 | ** Returned value: None |
igor_v | 0:8ad47e2b6f00 | 337 | ** |
igor_v | 0:8ad47e2b6f00 | 338 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 339 | void UARTInit(void) |
igor_v | 0:8ad47e2b6f00 | 340 | { |
igor_v | 0:8ad47e2b6f00 | 341 | uint32_t Fdiv; |
igor_v | 0:8ad47e2b6f00 | 342 | uint32_t pclk; |
igor_v | 0:8ad47e2b6f00 | 343 | #if !defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 344 | uint32_t baudrate = 38400; |
igor_v | 0:8ad47e2b6f00 | 345 | #else |
igor_v | 0:8ad47e2b6f00 | 346 | uint32_t baudrate = 38400; |
igor_v | 0:8ad47e2b6f00 | 347 | #endif |
igor_v | 0:8ad47e2b6f00 | 348 | LPC_SC->PCONP |= (1<<3); |
igor_v | 0:8ad47e2b6f00 | 349 | |
igor_v | 0:8ad47e2b6f00 | 350 | LPC_PINCON->PINSEL0 |= 0x00000050; |
igor_v | 0:8ad47e2b6f00 | 351 | |
igor_v | 0:8ad47e2b6f00 | 352 | pclk = SystemCoreClock/4; |
igor_v | 0:8ad47e2b6f00 | 353 | |
igor_v | 0:8ad47e2b6f00 | 354 | LPC_UART0->LCR = word_length_8 |one_stop_bit |no_parity |back_trans_dis |DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 355 | Fdiv = (pclk / 16) / baudrate; |
igor_v | 0:8ad47e2b6f00 | 356 | LPC_UART0->DLM = Fdiv / 256; |
igor_v | 0:8ad47e2b6f00 | 357 | LPC_UART0->DLL = Fdiv % 256; |
igor_v | 0:8ad47e2b6f00 | 358 | LPC_UART0->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 359 | LPC_UART0->FCR = TX_FIFO_Reset |RX_FIFO_Reset |FIFOs_En |RX_TrigLvl_14; //0x06; |
igor_v | 0:8ad47e2b6f00 | 360 | LPC_UART0->IER = 0;//RBR_IntEnabl; |
igor_v | 0:8ad47e2b6f00 | 361 | |
igor_v | 0:8ad47e2b6f00 | 362 | LPC_UART0->FCR |= 0x08; //e. DMA mode select |
igor_v | 0:8ad47e2b6f00 | 363 | //+++++++++++++++++++++++enable signal initialization++++++++++++++++++++++++++ |
igor_v | 0:8ad47e2b6f00 | 364 | LPC_PINCON->PINSEL1 &= ~0x0000C000; //e. select P0.23 as general purpose |
igor_v | 0:8ad47e2b6f00 | 365 | LPC_GPIO0->FIODIR |= 0x00800000; //e. P0.23 is output |
igor_v | 0:8ad47e2b6f00 | 366 | // LPC_GPIO0->FIOMASK |= 0x007F0000; //e. P0.16..P0.22 is not changed by FIOSET writing |
igor_v | 0:8ad47e2b6f00 | 367 | LPC_GPIO0->FIOCLR |= 0x00800000; // e. clear P0.23 |
igor_v | 0:8ad47e2b6f00 | 368 | |
igor_v | 0:8ad47e2b6f00 | 369 | return; |
igor_v | 0:8ad47e2b6f00 | 370 | } |
igor_v | 0:8ad47e2b6f00 | 371 | |
igor_v | 0:8ad47e2b6f00 | 372 | void UART1_Init(void) |
igor_v | 0:8ad47e2b6f00 | 373 | { |
igor_v | 0:8ad47e2b6f00 | 374 | uint32_t Fdiv; |
igor_v | 0:8ad47e2b6f00 | 375 | uint32_t pclk; |
igor_v | 0:8ad47e2b6f00 | 376 | #if !defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 377 | uint32_t baudrate = 256000; |
igor_v | 0:8ad47e2b6f00 | 378 | #else |
igor_v | 0:8ad47e2b6f00 | 379 | uint32_t baudrate = 38400; |
igor_v | 0:8ad47e2b6f00 | 380 | #endif |
igor_v | 0:8ad47e2b6f00 | 381 | LPC_SC->PCONP |= (1<<4); //switch on UART1 |
igor_v | 0:8ad47e2b6f00 | 382 | |
igor_v | 0:8ad47e2b6f00 | 383 | LPC_PINCON->PINSEL4 |= (2<<0)|(2<<2)|(2<<10)|(2<<14); //P2.0, P2.1, P2.5, P2.7 |
igor_v | 0:8ad47e2b6f00 | 384 | |
igor_v | 0:8ad47e2b6f00 | 385 | pclk = SystemCoreClock/4; |
igor_v | 0:8ad47e2b6f00 | 386 | |
igor_v | 0:8ad47e2b6f00 | 387 | LPC_UART1->LCR = word_length_8 |one_stop_bit |no_parity |back_trans_dis |DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 388 | Fdiv = (pclk / 16) / baudrate; |
igor_v | 0:8ad47e2b6f00 | 389 | LPC_UART1->DLM = Fdiv / 256; |
igor_v | 0:8ad47e2b6f00 | 390 | LPC_UART1->DLL = Fdiv % 256; |
igor_v | 0:8ad47e2b6f00 | 391 | LPC_UART1->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 392 | LPC_UART1->FCR = TX_FIFO_Reset |RX_FIFO_Reset |FIFOs_En |RX_TrigLvl_14; //0x06; |
igor_v | 0:8ad47e2b6f00 | 393 | |
igor_v | 0:8ad47e2b6f00 | 394 | LPC_UART1->RS485CTRL = (1<<5); //(1<<4); |
igor_v | 0:8ad47e2b6f00 | 395 | |
igor_v | 0:8ad47e2b6f00 | 396 | LPC_UART1->IER = 0;//RBR_IntEnabl; |
igor_v | 0:8ad47e2b6f00 | 397 | |
igor_v | 0:8ad47e2b6f00 | 398 | LPC_UART1->FCR |= 0x08; //e. DMA mode select |
igor_v | 0:8ad47e2b6f00 | 399 | return; |
igor_v | 0:8ad47e2b6f00 | 400 | } |
igor_v | 0:8ad47e2b6f00 | 401 | //----------------------temp---------------------------- |
igor_v | 0:8ad47e2b6f00 | 402 | /*int UART0_SendByte (int ucData) |
igor_v | 0:8ad47e2b6f00 | 403 | { |
igor_v | 0:8ad47e2b6f00 | 404 | // while (!(LPC_UART1->LSR & 0x20)); |
igor_v | 0:8ad47e2b6f00 | 405 | return (LPC_UART0->THR = ucData); |
igor_v | 0:8ad47e2b6f00 | 406 | }*/ |
igor_v | 0:8ad47e2b6f00 | 407 | //----------------------temp---------------------------- |
igor_v | 0:8ad47e2b6f00 | 408 | int UART1_SendByte (int ucData) |
igor_v | 0:8ad47e2b6f00 | 409 | { |
igor_v | 0:8ad47e2b6f00 | 410 | // while (!(LPC_UART1->LSR & 0x20)); |
igor_v | 0:8ad47e2b6f00 | 411 | return (LPC_UART1->THR = ucData); |
igor_v | 0:8ad47e2b6f00 | 412 | } |
igor_v | 0:8ad47e2b6f00 | 413 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 414 | ** Function name: UART_SwitchSpeed |
igor_v | 0:8ad47e2b6f00 | 415 | ** |
igor_v | 0:8ad47e2b6f00 | 416 | ** Descriptions: Change UART speed |
igor_v | 0:8ad47e2b6f00 | 417 | ** |
igor_v | 0:8ad47e2b6f00 | 418 | ** parameters: Demanded speed |
igor_v | 0:8ad47e2b6f00 | 419 | ** Returned value: None |
igor_v | 0:8ad47e2b6f00 | 420 | ** |
igor_v | 0:8ad47e2b6f00 | 421 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 422 | void UART_SwitchSpeed(unsigned Speed) |
igor_v | 0:8ad47e2b6f00 | 423 | { |
igor_v | 0:8ad47e2b6f00 | 424 | uint32_t Fdiv; |
igor_v | 0:8ad47e2b6f00 | 425 | uint32_t pclk; |
igor_v | 0:8ad47e2b6f00 | 426 | |
igor_v | 0:8ad47e2b6f00 | 427 | pclk = SystemCoreClock/4; |
igor_v | 0:8ad47e2b6f00 | 428 | #if defined UART1REC |
igor_v | 0:8ad47e2b6f00 | 429 | LPC_UART1->LCR |= DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 430 | #else |
igor_v | 0:8ad47e2b6f00 | 431 | LPC_UART0->LCR |= DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 432 | #endif |
igor_v | 0:8ad47e2b6f00 | 433 | switch (Speed) |
igor_v | 0:8ad47e2b6f00 | 434 | { |
igor_v | 0:8ad47e2b6f00 | 435 | case Sp38400: |
igor_v | 0:8ad47e2b6f00 | 436 | Fdiv = (pclk / 16) / 38400; |
igor_v | 0:8ad47e2b6f00 | 437 | EnablLength = 3240; |
igor_v | 0:8ad47e2b6f00 | 438 | break; |
igor_v | 0:8ad47e2b6f00 | 439 | |
igor_v | 0:8ad47e2b6f00 | 440 | case Sp115200: |
igor_v | 0:8ad47e2b6f00 | 441 | Fdiv = (pclk / 16) /115200; |
igor_v | 0:8ad47e2b6f00 | 442 | EnablLength = 1090; |
igor_v | 0:8ad47e2b6f00 | 443 | break; |
igor_v | 0:8ad47e2b6f00 | 444 | |
igor_v | 0:8ad47e2b6f00 | 445 | case Sp460800: |
igor_v | 0:8ad47e2b6f00 | 446 | Fdiv = (pclk / 16) / 460800; |
igor_v | 0:8ad47e2b6f00 | 447 | break; |
igor_v | 0:8ad47e2b6f00 | 448 | |
igor_v | 0:8ad47e2b6f00 | 449 | case Sp921600: |
igor_v | 0:8ad47e2b6f00 | 450 | Fdiv = (pclk / 16) / 921600; |
igor_v | 0:8ad47e2b6f00 | 451 | EnablLength = 140; |
igor_v | 0:8ad47e2b6f00 | 452 | break; |
igor_v | 0:8ad47e2b6f00 | 453 | |
igor_v | 0:8ad47e2b6f00 | 454 | } |
igor_v | 0:8ad47e2b6f00 | 455 | #if defined UART1REC |
igor_v | 0:8ad47e2b6f00 | 456 | LPC_UART1->DLM = Fdiv / 256; |
igor_v | 0:8ad47e2b6f00 | 457 | LPC_UART1->DLL = Fdiv % 256; |
igor_v | 0:8ad47e2b6f00 | 458 | LPC_UART1->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 459 | #else |
igor_v | 0:8ad47e2b6f00 | 460 | LPC_UART0->DLM = Fdiv / 256; |
igor_v | 0:8ad47e2b6f00 | 461 | LPC_UART0->DLL = Fdiv % 256; |
igor_v | 0:8ad47e2b6f00 | 462 | LPC_UART0->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 463 | #endif |
igor_v | 0:8ad47e2b6f00 | 464 | } |
igor_v | 0:8ad47e2b6f00 | 465 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 466 | ** Function name: UART_DMA_Init |
igor_v | 0:8ad47e2b6f00 | 467 | ** |
igor_v | 0:8ad47e2b6f00 | 468 | ** Descriptions: Initialisation of DMA channel for UART transmitter |
igor_v | 0:8ad47e2b6f00 | 469 | ** |
igor_v | 0:8ad47e2b6f00 | 470 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 471 | ** Returned value: None |
igor_v | 0:8ad47e2b6f00 | 472 | ** |
igor_v | 0:8ad47e2b6f00 | 473 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 474 | void UART_DMA_Init() |
igor_v | 0:8ad47e2b6f00 | 475 | { |
igor_v | 0:8ad47e2b6f00 | 476 | //+++++++++++++++++config channel for UART0+++++++++++++++++++++++++++++++++++++++++++++++ |
igor_v | 0:8ad47e2b6f00 | 477 | LPC_GPDMACH1->CConfig &= ~DMAChannelEn; |
igor_v | 0:8ad47e2b6f00 | 478 | |
igor_v | 0:8ad47e2b6f00 | 479 | LPC_GPDMA->IntTCClear = DMA1_IntTCClear; |
igor_v | 0:8ad47e2b6f00 | 480 | LPC_GPDMA->IntErrClr = DMA1_IntErrClear; |
igor_v | 0:8ad47e2b6f00 | 481 | |
igor_v | 0:8ad47e2b6f00 | 482 | LPC_GPDMACH1->CSrcAddr = (uint32_t)&trm_buf; |
igor_v | 0:8ad47e2b6f00 | 483 | LPC_GPDMACH1->CDestAddr = UART1_DMA_TX_DST; |
igor_v | 0:8ad47e2b6f00 | 484 | LPC_GPDMACH1->CControl = SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 485 | #if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 486 | LPC_GPDMACH1->CConfig |= MaskTCInt | MaskErrInt | DMA_MEMORY | DstDMA_UART1_TX |(M2P << 11); |
igor_v | 0:8ad47e2b6f00 | 487 | #else |
igor_v | 0:8ad47e2b6f00 | 488 | g LPC_GPDMACH1->CConfig |= MaskTCInt | MaskErrInt | DMA_MEMORY | DstDMA_UART0_TX |(M2P << 11); |
igor_v | 0:8ad47e2b6f00 | 489 | #endif |
igor_v | 0:8ad47e2b6f00 | 490 | |
igor_v | 0:8ad47e2b6f00 | 491 | EnablDMA = (LPC_GPDMACH1->CConfig)|DMAChannelEn; //save register content for DMA starting in multidrop mode |
igor_v | 0:8ad47e2b6f00 | 492 | //**********for Rate mode output***************************** |
igor_v | 0:8ad47e2b6f00 | 493 | #if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 494 | LLI1_TypeDef[0] = (uint32_t)&trm_buf[32]; |
igor_v | 0:8ad47e2b6f00 | 495 | LLI1_TypeDef[1] = UART1_DMA_TX_DST; |
igor_v | 0:8ad47e2b6f00 | 496 | LLI1_TypeDef[2] = 0; |
igor_v | 0:8ad47e2b6f00 | 497 | LLI1_TypeDef[3] = (12 & 0x0FFF) | SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 498 | |
igor_v | 0:8ad47e2b6f00 | 499 | LLI0_TypeDef[0] = (uint32_t)&trm_buf[16]; |
igor_v | 0:8ad47e2b6f00 | 500 | LLI0_TypeDef[1] = UART1_DMA_TX_DST; |
igor_v | 0:8ad47e2b6f00 | 501 | LLI0_TypeDef[2] = (uint32_t)&LLI1_TypeDef; |
igor_v | 0:8ad47e2b6f00 | 502 | LLI0_TypeDef[3] = (16 & 0x0FFF) | SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 503 | #else |
igor_v | 0:8ad47e2b6f00 | 504 | LLI1_TypeDef[0] = (uint32_t)&trm_buf[32]; |
igor_v | 0:8ad47e2b6f00 | 505 | LLI1_TypeDef[1] = UART0_DMA_TX_DST; |
igor_v | 0:8ad47e2b6f00 | 506 | LLI1_TypeDef[2] = 0; |
igor_v | 0:8ad47e2b6f00 | 507 | LLI1_TypeDef[3] = (12 & 0x0FFF) | SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 508 | |
igor_v | 0:8ad47e2b6f00 | 509 | LLI0_TypeDef[0] = (uint32_t)&trm_buf[16]; |
igor_v | 0:8ad47e2b6f00 | 510 | LLI0_TypeDef[1] = UART0_DMA_TX_DST; |
igor_v | 0:8ad47e2b6f00 | 511 | LLI0_TypeDef[2] = (uint32_t)&LLI1_TypeDef; |
igor_v | 0:8ad47e2b6f00 | 512 | LLI0_TypeDef[3] = (16 & 0x0FFF)|SrcBSize_1 |DstBSize_1 |SrcWidth_8b |
igor_v | 0:8ad47e2b6f00 | 513 | |DstWidth_8b|SrcInc |DstFixed |TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 514 | #endif |
igor_v | 0:8ad47e2b6f00 | 515 | //++++++++++++++++++++++++++config channel for transmit enable signal+++++++++++++++++++ |
igor_v | 0:8ad47e2b6f00 | 516 | LPC_GPDMACH2->CConfig &= ~DMAChannelEn; |
igor_v | 0:8ad47e2b6f00 | 517 | |
igor_v | 0:8ad47e2b6f00 | 518 | LPC_GPDMA->IntTCClear = DMA2_IntTCClear; |
igor_v | 0:8ad47e2b6f00 | 519 | LPC_GPDMA->IntErrClr = DMA2_IntErrClear; |
igor_v | 0:8ad47e2b6f00 | 520 | |
igor_v | 0:8ad47e2b6f00 | 521 | LPC_GPDMACH2->CSrcAddr = (uint32_t)&EnablTx; //e. content of TX UART1 enable register |
igor_v | 0:8ad47e2b6f00 | 522 | LPC_GPDMACH2->CDestAddr = 0x40010030; //e. address of TX UART1 enable register (U1TER) |
igor_v | 0:8ad47e2b6f00 | 523 | |
igor_v | 0:8ad47e2b6f00 | 524 | LPC_GPDMACH2->CControl = SrcBSize_4 |DstBSize_4 |
igor_v | 0:8ad47e2b6f00 | 525 | |SrcWidth_8b |DstWidth_8b|SrcFixed |DstFixed |TCIntEnabl; |
igor_v | 0:8ad47e2b6f00 | 526 | |
igor_v | 0:8ad47e2b6f00 | 527 | LPC_GPDMACH2->CConfig |= MaskTCInt |MaskErrInt |
igor_v | 0:8ad47e2b6f00 | 528 | |SrcDMA_UART0_RX |DstDMA_UART0_RX|(M2P << 11); |
igor_v | 0:8ad47e2b6f00 | 529 | LPC_GPDMACH2->CLLI = 0; //e. linked list is empty |
igor_v | 0:8ad47e2b6f00 | 530 | |
igor_v | 0:8ad47e2b6f00 | 531 | //++++++++++++++++++++++++++config channel for DMA1 enable signal+++++++++++++++++++ |
igor_v | 0:8ad47e2b6f00 | 532 | #if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 533 | LPC_GPDMACH4->CConfig &= ~DMAChannelEn; |
igor_v | 0:8ad47e2b6f00 | 534 | |
igor_v | 0:8ad47e2b6f00 | 535 | LPC_GPDMA->IntTCClear = DMA4_IntTCClear; |
igor_v | 0:8ad47e2b6f00 | 536 | LPC_GPDMA->IntErrClr = DMA4_IntErrClear; |
igor_v | 0:8ad47e2b6f00 | 537 | |
igor_v | 0:8ad47e2b6f00 | 538 | LPC_GPDMACH4->CSrcAddr = (uint32_t)&EnablDMA; //e. content of TX UART1 enable register |
igor_v | 0:8ad47e2b6f00 | 539 | LPC_GPDMACH4->CDestAddr = 0x50004130; //e. address of DMA1CConfig register |
igor_v | 0:8ad47e2b6f00 | 540 | |
igor_v | 0:8ad47e2b6f00 | 541 | LPC_GPDMACH4->CControl = SrcBSize_4 |DstBSize_4 |
igor_v | 0:8ad47e2b6f00 | 542 | |SrcWidth_8b |DstWidth_8b|SrcFixed |DstFixed |TCIntEnabl; |
igor_v | 0:8ad47e2b6f00 | 543 | |
igor_v | 0:8ad47e2b6f00 | 544 | LPC_GPDMACH4->CConfig |= MaskTCInt |MaskErrInt |
igor_v | 0:8ad47e2b6f00 | 545 | |SrcDMA_UART0_TX |DstDMA_UART0_TX|(M2P << 11); |
igor_v | 0:8ad47e2b6f00 | 546 | LPC_GPDMACH4->CLLI = 0; //e. linked list is empty |
igor_v | 0:8ad47e2b6f00 | 547 | #endif |
igor_v | 0:8ad47e2b6f00 | 548 | } |
igor_v | 0:8ad47e2b6f00 | 549 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 550 | ** End Of File |
igor_v | 0:8ad47e2b6f00 | 551 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 552 |