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Fork of LG by
el_lin.c@47:d902ef6f7564, 2016-02-10 (annotated)
- Committer:
- Kovalev_D
- Date:
- Wed Feb 10 14:06:57 2016 +0000
- Revision:
- 47:d902ef6f7564
- Parent:
- 30:17c84ed091b3
- Child:
- 91:a2bb81eaa183
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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 | 21:bc8c1cec3da6 | 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 | 21:bc8c1cec3da6 | 10 | **-------------------------------------------------------------------------------------------------------- |
igor_v | 0:8ad47e2b6f00 | 11 | *********************************************************************************************************/ |
igor_v | 1:f2adcae3d304 | 12 | |
igor_v | 1:f2adcae3d304 | 13 | #include "Global.h" |
igor_v | 1:f2adcae3d304 | 14 | |
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 | 21:bc8c1cec3da6 | 20 | uint32_t rcv_num_byt; |
igor_v | 0:8ad47e2b6f00 | 21 | uint32_t rcv_num_byt_old; |
igor_v | 21:bc8c1cec3da6 | 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 | 21:bc8c1cec3da6 | 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 | 21:bc8c1cec3da6 | 40 | uint32_t rcv_num_byt; |
igor_v | 21:bc8c1cec3da6 | 41 | uint32_t rcv_num_byt_old; |
igor_v | 21:bc8c1cec3da6 | 42 | uint32_t rcv_Rdy; |
igor_v | 21:bc8c1cec3da6 | 43 | char rcv_copy[64]; |
igor_v | 21:bc8c1cec3da6 | 44 | char rcv_buf[64]; |
igor_v | 21:bc8c1cec3da6 | 45 | int32_t rx_buf_copy; |
igor_v | 21:bc8c1cec3da6 | 46 | int32_t rcv_byt_copy; |
igor_v | 0:8ad47e2b6f00 | 47 | |
igor_v | 21:bc8c1cec3da6 | 48 | uint32_t trm_num_byt; |
igor_v | 21:bc8c1cec3da6 | 49 | uint32_t trm_rate; |
igor_v | 21:bc8c1cec3da6 | 50 | uint32_t num_of_par; |
igor_v | 21:bc8c1cec3da6 | 51 | char trm_buf[64]; |
igor_v | 21:bc8c1cec3da6 | 52 | void* addr_param[16]; |
igor_v | 21:bc8c1cec3da6 | 53 | uint32_t size_param[16]; |
igor_v | 21:bc8c1cec3da6 | 54 | uint32_t trm_ena; |
igor_v | 21:bc8c1cec3da6 | 55 | |
igor_v | 21:bc8c1cec3da6 | 56 | uint32_t line_err; |
igor_v | 21:bc8c1cec3da6 | 57 | uint32_t line_sts; |
igor_v | 21:bc8c1cec3da6 | 58 | |
igor_v | 21:bc8c1cec3da6 | 59 | uint32_t EnablLength = 12; |
igor_v | 21:bc8c1cec3da6 | 60 | uint32_t LLI0_TypeDef[4]; |
igor_v | 21:bc8c1cec3da6 | 61 | uint32_t LLI1_TypeDef[4]; |
igor_v | 21:bc8c1cec3da6 | 62 | uint32_t EnablTx = 0x80; |
igor_v | 21:bc8c1cec3da6 | 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 | 21:bc8c1cec3da6 | 71 | ** |
igor_v | 0:8ad47e2b6f00 | 72 | ******************************************************************************/ |
igor_v | 21:bc8c1cec3da6 | 73 | int check_lcc(void) //e. CRC checking //r.проверка контрольной суммы |
igor_v | 0:8ad47e2b6f00 | 74 | { |
igor_v | 21:bc8c1cec3da6 | 75 | int iCRC_calc, CRC_calc = 0, CRC_real; |
igor_v | 21:bc8c1cec3da6 | 76 | |
igor_v | 21:bc8c1cec3da6 | 77 | for (iCRC_calc = 1; iCRC_calc < (rcv_num_byt-2); iCRC_calc++) |
igor_v | 21:bc8c1cec3da6 | 78 | CRC_calc += rcv_buf[iCRC_calc]; |
igor_v | 21:bc8c1cec3da6 | 79 | |
igor_v | 21:bc8c1cec3da6 | 80 | CRC_real = (rcv_buf[rcv_num_byt-2] << 8) | rcv_buf[rcv_num_byt-1]; |
igor_v | 21:bc8c1cec3da6 | 81 | |
igor_v | 21:bc8c1cec3da6 | 82 | return (CRC_real - CRC_calc); |
igor_v | 0:8ad47e2b6f00 | 83 | } |
igor_v | 21:bc8c1cec3da6 | 84 | void PacketSafing(void) |
igor_v | 21:bc8c1cec3da6 | 85 | { |
igor_v | 21:bc8c1cec3da6 | 86 | /* int j; static char rcv_buf_copy[16]; |
igor_v | 21:bc8c1cec3da6 | 87 | for (j=2; j<rcv_num_byt; j++) |
igor_v | 21:bc8c1cec3da6 | 88 | { |
igor_v | 21:bc8c1cec3da6 | 89 | if (rcv_buf[j] == 0xCC); |
igor_v | 21:bc8c1cec3da6 | 90 | rcv_buf_copy[0] = 0xCC; |
igor_v | 21:bc8c1cec3da6 | 91 | // if ((rcv_buf[j] < 3) || (rcv_buf[j] == 0x1F)) |
igor_v | 21:bc8c1cec3da6 | 92 | } */ |
igor_v | 21:bc8c1cec3da6 | 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 | 21:bc8c1cec3da6 | 102 | ** |
igor_v | 0:8ad47e2b6f00 | 103 | ******************************************************************************/ |
igor_v | 21:bc8c1cec3da6 | 104 | void Line_1_Rcv(void) |
igor_v | 21:bc8c1cec3da6 | 105 | { |
igor_v | 21:bc8c1cec3da6 | 106 | static int ToWaitEnd, ErrReg ; |
igor_v | 21:bc8c1cec3da6 | 107 | |
igor_v | 0:8ad47e2b6f00 | 108 | |
igor_v | 21:bc8c1cec3da6 | 109 | |
igor_v | 0:8ad47e2b6f00 | 110 | |
igor_v | 21:bc8c1cec3da6 | 111 | while ((LPC_UART1->LSR & RecievBufEmpty) != 0) //e. reciever contain some information |
igor_v | 21:bc8c1cec3da6 | 112 | rcv_buf[rcv_num_byt++] = LPC_UART1->RBR;//чтение информации из буфера. |
igor_v | 0:8ad47e2b6f00 | 113 | |
igor_v | 21:bc8c1cec3da6 | 114 | |
igor_v | 0:8ad47e2b6f00 | 115 | |
igor_v | 0:8ad47e2b6f00 | 116 | |
igor_v | 21:bc8c1cec3da6 | 117 | if (( ToWaitEnd > 25000)) { //e. end part of packet is absent //r. не дождались конца пакета |
igor_v | 21:bc8c1cec3da6 | 118 | do |
igor_v | 21:bc8c1cec3da6 | 119 | rcv_buf[--rcv_num_byt] = 0; |
igor_v | 21:bc8c1cec3da6 | 120 | while(rcv_num_byt); |
igor_v | 21:bc8c1cec3da6 | 121 | rcv_num_byt_old = rcv_num_byt; |
igor_v | 21:bc8c1cec3da6 | 122 | #if defined UART1REC |
igor_v | 21:bc8c1cec3da6 | 123 | LPC_UART1->FCR |= RX_FIFO_Reset; |
igor_v | 21:bc8c1cec3da6 | 124 | #else |
igor_v | 21:bc8c1cec3da6 | 125 | LPC_UART0->FCR |= RX_FIFO_Reset; |
igor_v | 21:bc8c1cec3da6 | 126 | #endif |
igor_v | 21:bc8c1cec3da6 | 127 | // L1_Rc_err (TIMEOUT_ERR); |
igor_v | 21:bc8c1cec3da6 | 128 | ToWaitEnd = 0; |
igor_v | 21:bc8c1cec3da6 | 129 | return; |
igor_v | 21:bc8c1cec3da6 | 130 | } |
igor_v | 21:bc8c1cec3da6 | 131 | if (rcv_num_byt_old == rcv_num_byt) { //e. we have not received any new bytes |
igor_v | 21:bc8c1cec3da6 | 132 | if (ToWaitEnd) ToWaitEnd++; |
igor_v | 21:bc8c1cec3da6 | 133 | return; |
igor_v | 21:bc8c1cec3da6 | 134 | } |
igor_v | 21:bc8c1cec3da6 | 135 | rcv_num_byt_old = rcv_num_byt; |
igor_v | 21:bc8c1cec3da6 | 136 | |
igor_v | 21:bc8c1cec3da6 | 137 | if ((rcv_num_byt < 6) || ((rcv_num_byt & 0x0001) == 1)) { |
igor_v | 21:bc8c1cec3da6 | 138 | ToWaitEnd++; |
igor_v | 21:bc8c1cec3da6 | 139 | return; |
igor_v | 21:bc8c1cec3da6 | 140 | } |
igor_v | 0:8ad47e2b6f00 | 141 | |
igor_v | 21:bc8c1cec3da6 | 142 | if ((!ToWaitEnd) && (rcv_num_byt > 1)) //e. the header of packet has not recieved //r. ожидаем начало пакета |
igor_v | 21:bc8c1cec3da6 | 143 | if ((rcv_buf[0] != 0xCC) || (( rcv_buf[1] > 2) && ( rcv_buf[1] != 0x1F))) { |
igor_v | 21:bc8c1cec3da6 | 144 | // L1_Rc_err (HEADER_ERR); |
igor_v | 21:bc8c1cec3da6 | 145 | ErrReg |= 5; |
igor_v | 21:bc8c1cec3da6 | 146 | ToWaitEnd++; |
igor_v | 21:bc8c1cec3da6 | 147 | return; |
igor_v | 21:bc8c1cec3da6 | 148 | } |
igor_v | 21:bc8c1cec3da6 | 149 | // if (ErrReg != 0) //e. trying of recovering of packet //r. спасение следующего пакета |
igor_v | 21:bc8c1cec3da6 | 150 | // PacketSafing(); |
igor_v | 21:bc8c1cec3da6 | 151 | |
igor_v | 21:bc8c1cec3da6 | 152 | |
igor_v | 21:bc8c1cec3da6 | 153 | if (rcv_num_byt == 6) { |
igor_v | 21:bc8c1cec3da6 | 154 | if ((rcv_buf[2] == 0x0A) || (rcv_buf[2] == 0xE0) || (rcv_buf[2] == 0xE4) || (rcv_buf[2] == 0xE6) || (rcv_buf[2] == 0xE8)) { |
igor_v | 21:bc8c1cec3da6 | 155 | //e. packet length is not valid, so we have the error //r. ошибка размера пакета |
igor_v | 21:bc8c1cec3da6 | 156 | ToWaitEnd++; |
igor_v | 21:bc8c1cec3da6 | 157 | return; |
igor_v | 0:8ad47e2b6f00 | 158 | } |
igor_v | 21:bc8c1cec3da6 | 159 | |
igor_v | 21:bc8c1cec3da6 | 160 | } else if (rcv_num_byt == 8) { |
igor_v | 21:bc8c1cec3da6 | 161 | if ((rcv_buf[2] == 0xE0) || (rcv_buf[2] == 0xE4)) { |
igor_v | 21:bc8c1cec3da6 | 162 | ToWaitEnd++; |
igor_v | 21:bc8c1cec3da6 | 163 | return; |
igor_v | 0:8ad47e2b6f00 | 164 | } |
igor_v | 21:bc8c1cec3da6 | 165 | } |
igor_v | 21:bc8c1cec3da6 | 166 | if (check_lcc() != 0) { //e. checksum is bad //r.контрольные суммы не равны |
igor_v | 0:8ad47e2b6f00 | 167 | |
igor_v | 21:bc8c1cec3da6 | 168 | return; |
igor_v | 21:bc8c1cec3da6 | 169 | } else { //e. cheksum is not bad //r.контрольные суммы равны |
igor_v | 21:bc8c1cec3da6 | 170 | rcv_Rdy = 1; |
igor_v | 21:bc8c1cec3da6 | 171 | } |
igor_v | 21:bc8c1cec3da6 | 172 | ToWaitEnd = 0; |
igor_v | 21:bc8c1cec3da6 | 173 | |
igor_v | 21:bc8c1cec3da6 | 174 | return; |
igor_v | 21:bc8c1cec3da6 | 175 | |
igor_v | 21:bc8c1cec3da6 | 176 | } |
igor_v | 0:8ad47e2b6f00 | 177 | /* |
igor_v | 21:bc8c1cec3da6 | 178 | void L1_Rc_err (int Error) //e. error fixing and reciever restart //r. модуль фиксации ошибки и перезапуска приемника |
igor_v | 0:8ad47e2b6f00 | 179 | { |
igor_v | 0:8ad47e2b6f00 | 180 | int temp; |
igor_v | 0:8ad47e2b6f00 | 181 | line_sts |= Error; |
igor_v | 0:8ad47e2b6f00 | 182 | temp = Copy_SRgR & (~Rcv_Rdy); |
igor_v | 0:8ad47e2b6f00 | 183 | io_space_write(Sys_RgR, temp); |
igor_v | 0:8ad47e2b6f00 | 184 | temp |= Rcv_Rdy; |
igor_v | 0:8ad47e2b6f00 | 185 | asm("nop;"); |
igor_v | 0:8ad47e2b6f00 | 186 | io_space_write(Sys_RgR, temp); |
igor_v | 21:bc8c1cec3da6 | 187 | return; |
igor_v | 0:8ad47e2b6f00 | 188 | } |
igor_v | 0:8ad47e2b6f00 | 189 | */ |
igor_v | 21:bc8c1cec3da6 | 190 | |
igor_v | 0:8ad47e2b6f00 | 191 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 192 | ** Function name: transm_DAT |
igor_v | 0:8ad47e2b6f00 | 193 | ** |
igor_v | 0:8ad47e2b6f00 | 194 | ** Descriptions: transmit process preparation |
igor_v | 0:8ad47e2b6f00 | 195 | ** |
igor_v | 0:8ad47e2b6f00 | 196 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 197 | ** Returned value: None |
igor_v | 21:bc8c1cec3da6 | 198 | ** |
igor_v | 0:8ad47e2b6f00 | 199 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 200 | |
igor_v | 0:8ad47e2b6f00 | 201 | |
igor_v | 0:8ad47e2b6f00 | 202 | void transm_DAT(void) |
igor_v | 0:8ad47e2b6f00 | 203 | { |
igor_v | 21:bc8c1cec3da6 | 204 | uint32_t param, param_byte, CRC; |
igor_v | 21:bc8c1cec3da6 | 205 | int32_t *trans_param; |
igor_v | 21:bc8c1cec3da6 | 206 | |
igor_v | 21:bc8c1cec3da6 | 207 | if ((LPC_UART1->LSR & TRANS_SHIFT_BUF_EMPTY)) //r. передающий буфер пуст |
igor_v | 21:bc8c1cec3da6 | 208 | if (!( LPC_GPDMACH1->CConfig & (1<<17))) |
igor_v | 21:bc8c1cec3da6 | 209 | LPC_GPIO2->FIOCLR |= 8; //switch off UART1 driver |
igor_v | 0:8ad47e2b6f00 | 210 | |
igor_v | 21:bc8c1cec3da6 | 211 | if (trm_ena == 0) { |
igor_v | 21:bc8c1cec3da6 | 212 | // LPC_GPIO1->FIOCLR = (0x01<<30); //r.передача требуется? |
igor_v | 21:bc8c1cec3da6 | 213 | return; //r. если нет, возврат |
igor_v | 21:bc8c1cec3da6 | 214 | } |
igor_v | 0:8ad47e2b6f00 | 215 | |
igor_v | 21:bc8c1cec3da6 | 216 | if (!(LPC_UART1->LSR & TRANS_SHIFT_BUF_EMPTY)) //r. передающий буфер пуст |
igor_v | 21:bc8c1cec3da6 | 217 | return; |
igor_v | 0:8ad47e2b6f00 | 218 | |
igor_v | 21:bc8c1cec3da6 | 219 | if ( LPC_GPDMACH1->CConfig & (1<<17)) //r. если канал передачи занят, ждать |
igor_v | 21:bc8c1cec3da6 | 220 | return; |
igor_v | 0:8ad47e2b6f00 | 221 | |
igor_v | 0:8ad47e2b6f00 | 222 | //#if defined UART1TEST |
igor_v | 0:8ad47e2b6f00 | 223 | // if (LPC_SC->DMAREQSEL == 0x8) //e. DMA request from UART |
igor_v | 0:8ad47e2b6f00 | 224 | // LPC_GPIO2->FIOSET |= (1<<3); //e. set enable UART bit |
igor_v | 0:8ad47e2b6f00 | 225 | //#endif |
igor_v | 0:8ad47e2b6f00 | 226 | |
igor_v | 21:bc8c1cec3da6 | 227 | trm_ena = 0; //r. сбросить флаг разрешения передачи |
igor_v | 21:bc8c1cec3da6 | 228 | |
igor_v | 21:bc8c1cec3da6 | 229 | trm_num_byt = 2; |
igor_v | 21:bc8c1cec3da6 | 230 | |
igor_v | 21:bc8c1cec3da6 | 231 | trm_buf[0] = 0x00dd; //r. заголовок пакета |
igor_v | 21:bc8c1cec3da6 | 232 | trm_buf[1] = Device_blk.Str.My_Addres; //r. адрес прибора |
igor_v | 21:bc8c1cec3da6 | 233 | |
igor_v | 21:bc8c1cec3da6 | 234 | CRC = trm_buf[1]; //r.инициализация счетчика контрольной суммы |
igor_v | 21:bc8c1cec3da6 | 235 | for ( param = 0; param < num_of_par; param++) { //r.цикл формирования блока данных пакета |
igor_v | 21:bc8c1cec3da6 | 236 | trans_param = (int32_t *)addr_param[param]; //r. чтение адреса одного из выдаваемых в пакете параметров |
igor_v | 0:8ad47e2b6f00 | 237 | |
igor_v | 21:bc8c1cec3da6 | 238 | for (param_byte = 0; param_byte < size_param[param]; param_byte++) { |
igor_v | 21:bc8c1cec3da6 | 239 | if ( (param_byte & 0x0001) == 0 ) //r. считываем старший байт |
igor_v | 21:bc8c1cec3da6 | 240 | trm_buf[trm_num_byt] = (*trans_param >> (8/**(size_param[param]-param_byte-1)*/)) & 0x00ff; //r.размещение передаваемого параметра в пакете |
igor_v | 21:bc8c1cec3da6 | 241 | else { |
igor_v | 21:bc8c1cec3da6 | 242 | trm_buf[trm_num_byt] = *trans_param & 0x00ff; |
igor_v | 21:bc8c1cec3da6 | 243 | trans_param ++; //r.переходим к следующей ячейке памяти |
igor_v | 21:bc8c1cec3da6 | 244 | } |
igor_v | 21:bc8c1cec3da6 | 245 | CRC += trm_buf[trm_num_byt]; //r. вычисление текущей контрольной суммы |
igor_v | 21:bc8c1cec3da6 | 246 | trm_num_byt++; //r. количество бит, отправленных в пакет |
igor_v | 21:bc8c1cec3da6 | 247 | } |
igor_v | 21:bc8c1cec3da6 | 248 | } |
igor_v | 21:bc8c1cec3da6 | 249 | trm_buf[trm_num_byt] = CRC >> 8; //r. запись контрольной суммы в пакет |
igor_v | 21:bc8c1cec3da6 | 250 | trm_buf[trm_num_byt+1] = CRC & 0x00ff; |
igor_v | 21:bc8c1cec3da6 | 251 | |
igor_v | 21:bc8c1cec3da6 | 252 | trm_num_byt += 2; |
igor_v | 21:bc8c1cec3da6 | 253 | |
igor_v | 21:bc8c1cec3da6 | 254 | LPC_GPDMACH1->CSrcAddr = (uint32_t)&trm_buf; |
igor_v | 0:8ad47e2b6f00 | 255 | |
igor_v | 21:bc8c1cec3da6 | 256 | LPC_GPDMACH1->CControl &= ~0xFFF; //e. reset of numer bytes for transmitting |
igor_v | 21:bc8c1cec3da6 | 257 | LPC_GPDMACH2->CControl &= ~0xFFF; //e. reset of numer bytes for transmitting |
igor_v | 21:bc8c1cec3da6 | 258 | |
igor_v | 21:bc8c1cec3da6 | 259 | LPC_GPDMACH1->CLLI = 0; //e. linked list is empty |
igor_v | 0:8ad47e2b6f00 | 260 | |
igor_v | 21:bc8c1cec3da6 | 261 | if (trm_num_byt > 16) { //e. a packet is too long for FIFO |
igor_v | 21:bc8c1cec3da6 | 262 | LPC_GPDMACH1->CControl |= 16; //e. set length of first packet part |
igor_v | 21:bc8c1cec3da6 | 263 | LPC_GPDMACH1->CLLI = (uint32_t)&LLI0_TypeDef; //e. initialize chain for other parts transmitting |
igor_v | 21:bc8c1cec3da6 | 264 | } else |
igor_v | 21:bc8c1cec3da6 | 265 | LPC_GPDMACH1->CControl |= trm_num_byt; |
igor_v | 21:bc8c1cec3da6 | 266 | |
igor_v | 21:bc8c1cec3da6 | 267 | LPC_GPDMACH2->CControl |= 1; //e. set 1 transfert for enable signal |
igor_v | 0:8ad47e2b6f00 | 268 | #if defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 269 | LPC_UART1->TER = 0; //e. disable data output to UART1 |
igor_v | 0:8ad47e2b6f00 | 270 | #endif |
igor_v | 21:bc8c1cec3da6 | 271 | if (Device_Mode < 4) { //e. work with internal latch |
igor_v | 21:bc8c1cec3da6 | 272 | LPC_TIM0->TCR = 1; //e. start timer |
igor_v | 0:8ad47e2b6f00 | 273 | //-------------------debug----------------------------------------- |
igor_v | 21:bc8c1cec3da6 | 274 | LPC_GPIO2->FIOSET |= 8; //turn on RS-422 driver |
igor_v | 0:8ad47e2b6f00 | 275 | //-------------------debug----------------------------------------- |
igor_v | 21:bc8c1cec3da6 | 276 | |
igor_v | 21:bc8c1cec3da6 | 277 | LPC_GPDMACH1->CConfig |= DMAChannelEn; //e. DMA for UART transmition |
igor_v | 21:bc8c1cec3da6 | 278 | //LPC_GPIO1->FIOSET = (0x1<<30); |
igor_v | 0:8ad47e2b6f00 | 279 | |
igor_v | 21:bc8c1cec3da6 | 280 | } |
igor_v | 21:bc8c1cec3da6 | 281 | |
igor_v | 21:bc8c1cec3da6 | 282 | LPC_GPDMACH2->CConfig |= DMAChannelEn; //e. DMA for enable signal |
igor_v | 21:bc8c1cec3da6 | 283 | return; |
igor_v | 21:bc8c1cec3da6 | 284 | } |
igor_v | 0:8ad47e2b6f00 | 285 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 286 | ** Function name: DMA_Init |
igor_v | 0:8ad47e2b6f00 | 287 | ** |
igor_v | 21:bc8c1cec3da6 | 288 | ** Descriptions: |
igor_v | 0:8ad47e2b6f00 | 289 | ** |
igor_v | 21:bc8c1cec3da6 | 290 | ** parameters: |
igor_v | 21:bc8c1cec3da6 | 291 | ** Returned value: |
igor_v | 21:bc8c1cec3da6 | 292 | ** |
igor_v | 0:8ad47e2b6f00 | 293 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 294 | void DMA_Init( void ) |
igor_v | 0:8ad47e2b6f00 | 295 | { |
igor_v | 21:bc8c1cec3da6 | 296 | /* Enable CLOCK into GPDMA controller */ |
igor_v | 21:bc8c1cec3da6 | 297 | LPC_SC->PCONP |= GPDMA_POWER_ON; |
igor_v | 0:8ad47e2b6f00 | 298 | |
igor_v | 21:bc8c1cec3da6 | 299 | /* Select primary function(UART0/1/2/3) in DMA channels, |
igor_v | 21:bc8c1cec3da6 | 300 | secondary is timer 0/1/2/3. */ |
igor_v | 0:8ad47e2b6f00 | 301 | #if defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 302 | LPC_SC->DMAREQSEL = 3; |
igor_v | 0:8ad47e2b6f00 | 303 | #endif |
igor_v | 21:bc8c1cec3da6 | 304 | //LPC_GPDMA->Sync = (0x1<<DMA_UART0_RX)|(0x1<<DMA_UART1_TX); //synchronization logic is enabled by default |
igor_v | 21:bc8c1cec3da6 | 305 | LPC_GPDMA->Config = DMA_ControllerEn | DMA_AHB_Little; |
igor_v | 21:bc8c1cec3da6 | 306 | while ( !(LPC_GPDMA->Config & DMA_ControllerEn) ); //wait until DMA_Controller switched on |
igor_v | 21:bc8c1cec3da6 | 307 | |
igor_v | 21:bc8c1cec3da6 | 308 | NVIC_DisableIRQ(DMA_IRQn); |
igor_v | 21:bc8c1cec3da6 | 309 | return; |
igor_v | 0:8ad47e2b6f00 | 310 | } |
igor_v | 0:8ad47e2b6f00 | 311 | |
igor_v | 0:8ad47e2b6f00 | 312 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 313 | ** Function name: UARTInit |
igor_v | 0:8ad47e2b6f00 | 314 | ** |
igor_v | 0:8ad47e2b6f00 | 315 | ** Descriptions: Initialisation of UART on 38400 baud |
igor_v | 0:8ad47e2b6f00 | 316 | ** |
igor_v | 0:8ad47e2b6f00 | 317 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 318 | ** Returned value: None |
igor_v | 21:bc8c1cec3da6 | 319 | ** |
igor_v | 0:8ad47e2b6f00 | 320 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 321 | void UARTInit(void) |
igor_v | 0:8ad47e2b6f00 | 322 | { |
igor_v | 21:bc8c1cec3da6 | 323 | uint32_t Fdiv; |
igor_v | 21:bc8c1cec3da6 | 324 | uint32_t pclk; |
igor_v | 0:8ad47e2b6f00 | 325 | #if !defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 326 | uint32_t baudrate = 38400; |
igor_v | 0:8ad47e2b6f00 | 327 | #else |
igor_v | 21:bc8c1cec3da6 | 328 | uint32_t baudrate = 38400; |
igor_v | 0:8ad47e2b6f00 | 329 | #endif |
igor_v | 21:bc8c1cec3da6 | 330 | LPC_SC->PCONP |= (1<<3); |
igor_v | 21:bc8c1cec3da6 | 331 | |
igor_v | 21:bc8c1cec3da6 | 332 | LPC_PINCON->PINSEL0 |= 0x00000050; |
igor_v | 21:bc8c1cec3da6 | 333 | |
igor_v | 21:bc8c1cec3da6 | 334 | pclk = SystemCoreClock/4; |
igor_v | 0:8ad47e2b6f00 | 335 | |
igor_v | 21:bc8c1cec3da6 | 336 | LPC_UART0->LCR = word_length_8 |one_stop_bit |no_parity |back_trans_dis |DLAB_access; |
igor_v | 21:bc8c1cec3da6 | 337 | Fdiv = (pclk / 16) / baudrate; |
igor_v | 0:8ad47e2b6f00 | 338 | LPC_UART0->DLM = Fdiv / 256; |
igor_v | 21:bc8c1cec3da6 | 339 | LPC_UART0->DLL = Fdiv % 256; |
igor_v | 21:bc8c1cec3da6 | 340 | LPC_UART0->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 341 | LPC_UART0->FCR = TX_FIFO_Reset |RX_FIFO_Reset |FIFOs_En |RX_TrigLvl_14; //0x06; |
igor_v | 21:bc8c1cec3da6 | 342 | LPC_UART0->IER = 0;//RBR_IntEnabl; |
igor_v | 0:8ad47e2b6f00 | 343 | |
igor_v | 21:bc8c1cec3da6 | 344 | LPC_UART0->FCR |= 0x08; //e. DMA mode select |
igor_v | 21:bc8c1cec3da6 | 345 | //+++++++++++++++++++++++enable signal initialization++++++++++++++++++++++++++ |
igor_v | 0:8ad47e2b6f00 | 346 | LPC_PINCON->PINSEL1 &= ~0x0000C000; //e. select P0.23 as general purpose |
igor_v | 21:bc8c1cec3da6 | 347 | LPC_GPIO0->FIODIR |= 0x00800000; //e. P0.23 is output |
igor_v | 21:bc8c1cec3da6 | 348 | // LPC_GPIO0->FIOMASK |= 0x007F0000; //e. P0.16..P0.22 is not changed by FIOSET writing |
igor_v | 21:bc8c1cec3da6 | 349 | LPC_GPIO0->FIOCLR |= 0x00800000; // e. clear P0.23 |
igor_v | 0:8ad47e2b6f00 | 350 | |
igor_v | 21:bc8c1cec3da6 | 351 | return; |
igor_v | 0:8ad47e2b6f00 | 352 | } |
igor_v | 0:8ad47e2b6f00 | 353 | |
igor_v | 30:17c84ed091b3 | 354 | |
igor_v | 0:8ad47e2b6f00 | 355 | void UART1_Init(void) |
igor_v | 0:8ad47e2b6f00 | 356 | { |
igor_v | 21:bc8c1cec3da6 | 357 | uint32_t Fdiv; |
igor_v | 21:bc8c1cec3da6 | 358 | uint32_t pclk; |
igor_v | 0:8ad47e2b6f00 | 359 | #if !defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 360 | uint32_t baudrate = 256000; |
igor_v | 21:bc8c1cec3da6 | 361 | #else |
igor_v | 21:bc8c1cec3da6 | 362 | uint32_t baudrate = 38400; |
igor_v | 0:8ad47e2b6f00 | 363 | #endif |
igor_v | 0:8ad47e2b6f00 | 364 | LPC_SC->PCONP |= (1<<4); //switch on UART1 |
igor_v | 21:bc8c1cec3da6 | 365 | |
Kovalev_D | 47:d902ef6f7564 | 366 | // LPC_PINCON->PINSEL4 |= (2<<0)|(2<<2)|(2<<10)|(2<<14); //P2.0, P2.1, P2.5, P2.7 |
Kovalev_D | 47:d902ef6f7564 | 367 | LPC_PINCON->PINSEL4 |= (2<<0)|(2<<2); //P2.0, P2.1, P2.5, |
igor_v | 21:bc8c1cec3da6 | 368 | |
Kovalev_D | 47:d902ef6f7564 | 369 | |
Kovalev_D | 47:d902ef6f7564 | 370 | |
igor_v | 21:bc8c1cec3da6 | 371 | pclk = SystemCoreClock/4; |
igor_v | 0:8ad47e2b6f00 | 372 | |
igor_v | 21:bc8c1cec3da6 | 373 | LPC_UART1->LCR = word_length_8 |one_stop_bit |no_parity |back_trans_dis |DLAB_access; |
igor_v | 21:bc8c1cec3da6 | 374 | Fdiv = (pclk / 16) / baudrate; |
igor_v | 0:8ad47e2b6f00 | 375 | LPC_UART1->DLM = Fdiv / 256; |
igor_v | 21:bc8c1cec3da6 | 376 | LPC_UART1->DLL = Fdiv % 256; |
igor_v | 21:bc8c1cec3da6 | 377 | LPC_UART1->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 378 | LPC_UART1->FCR = TX_FIFO_Reset |RX_FIFO_Reset |FIFOs_En |RX_TrigLvl_14; //0x06; |
igor_v | 0:8ad47e2b6f00 | 379 | |
igor_v | 21:bc8c1cec3da6 | 380 | LPC_UART1->RS485CTRL = (1<<5); //(1<<4); |
igor_v | 0:8ad47e2b6f00 | 381 | |
igor_v | 21:bc8c1cec3da6 | 382 | LPC_UART1->IER = 0;//RBR_IntEnabl; |
igor_v | 0:8ad47e2b6f00 | 383 | |
igor_v | 21:bc8c1cec3da6 | 384 | LPC_UART1->FCR |= 0x08; //e. DMA mode select |
igor_v | 21:bc8c1cec3da6 | 385 | return; |
igor_v | 0:8ad47e2b6f00 | 386 | } |
igor_v | 0:8ad47e2b6f00 | 387 | //----------------------temp---------------------------- |
igor_v | 0:8ad47e2b6f00 | 388 | /*int UART0_SendByte (int ucData) |
igor_v | 0:8ad47e2b6f00 | 389 | { |
igor_v | 0:8ad47e2b6f00 | 390 | // while (!(LPC_UART1->LSR & 0x20)); |
igor_v | 0:8ad47e2b6f00 | 391 | return (LPC_UART0->THR = ucData); |
igor_v | 0:8ad47e2b6f00 | 392 | }*/ |
igor_v | 0:8ad47e2b6f00 | 393 | //----------------------temp---------------------------- |
igor_v | 0:8ad47e2b6f00 | 394 | int UART1_SendByte (int ucData) |
igor_v | 0:8ad47e2b6f00 | 395 | { |
igor_v | 0:8ad47e2b6f00 | 396 | // while (!(LPC_UART1->LSR & 0x20)); |
igor_v | 0:8ad47e2b6f00 | 397 | return (LPC_UART1->THR = ucData); |
igor_v | 0:8ad47e2b6f00 | 398 | } |
igor_v | 0:8ad47e2b6f00 | 399 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 400 | ** Function name: UART_SwitchSpeed |
igor_v | 0:8ad47e2b6f00 | 401 | ** |
igor_v | 21:bc8c1cec3da6 | 402 | ** Descriptions: Change UART speed |
igor_v | 0:8ad47e2b6f00 | 403 | ** |
igor_v | 0:8ad47e2b6f00 | 404 | ** parameters: Demanded speed |
igor_v | 0:8ad47e2b6f00 | 405 | ** Returned value: None |
igor_v | 21:bc8c1cec3da6 | 406 | ** |
igor_v | 30:17c84ed091b3 | 407 | |
igor_v | 0:8ad47e2b6f00 | 408 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 409 | void UART_SwitchSpeed(unsigned Speed) |
igor_v | 0:8ad47e2b6f00 | 410 | { |
igor_v | 21:bc8c1cec3da6 | 411 | uint32_t Fdiv; |
igor_v | 21:bc8c1cec3da6 | 412 | uint32_t pclk; |
igor_v | 0:8ad47e2b6f00 | 413 | |
igor_v | 21:bc8c1cec3da6 | 414 | pclk = SystemCoreClock/4; |
igor_v | 0:8ad47e2b6f00 | 415 | #if defined UART1REC |
igor_v | 21:bc8c1cec3da6 | 416 | LPC_UART1->LCR |= DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 417 | #else |
igor_v | 21:bc8c1cec3da6 | 418 | LPC_UART0->LCR |= DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 419 | #endif |
igor_v | 21:bc8c1cec3da6 | 420 | switch (Speed) { |
igor_v | 21:bc8c1cec3da6 | 421 | case Sp38400: |
igor_v | 21:bc8c1cec3da6 | 422 | Fdiv = (pclk / 16) / 38400; |
igor_v | 21:bc8c1cec3da6 | 423 | EnablLength = 3240; |
igor_v | 21:bc8c1cec3da6 | 424 | break; |
igor_v | 0:8ad47e2b6f00 | 425 | |
igor_v | 21:bc8c1cec3da6 | 426 | case Sp115200: |
igor_v | 21:bc8c1cec3da6 | 427 | Fdiv = (pclk / 16) /115200; |
igor_v | 21:bc8c1cec3da6 | 428 | EnablLength = 1090; |
igor_v | 21:bc8c1cec3da6 | 429 | break; |
igor_v | 0:8ad47e2b6f00 | 430 | |
igor_v | 21:bc8c1cec3da6 | 431 | case Sp460800: |
igor_v | 21:bc8c1cec3da6 | 432 | Fdiv = (pclk / 16) / 460800; |
igor_v | 21:bc8c1cec3da6 | 433 | break; |
igor_v | 0:8ad47e2b6f00 | 434 | |
igor_v | 21:bc8c1cec3da6 | 435 | case Sp921600: |
igor_v | 21:bc8c1cec3da6 | 436 | Fdiv = (pclk / 16) / 921600; |
igor_v | 21:bc8c1cec3da6 | 437 | EnablLength = 140; |
igor_v | 21:bc8c1cec3da6 | 438 | break; |
igor_v | 0:8ad47e2b6f00 | 439 | |
igor_v | 21:bc8c1cec3da6 | 440 | } |
igor_v | 21:bc8c1cec3da6 | 441 | #if defined UART1REC |
igor_v | 0:8ad47e2b6f00 | 442 | LPC_UART1->DLM = Fdiv / 256; |
igor_v | 21:bc8c1cec3da6 | 443 | LPC_UART1->DLL = Fdiv % 256; |
igor_v | 0:8ad47e2b6f00 | 444 | LPC_UART1->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 445 | #else |
igor_v | 21:bc8c1cec3da6 | 446 | LPC_UART0->DLM = Fdiv / 256; |
igor_v | 21:bc8c1cec3da6 | 447 | LPC_UART0->DLL = Fdiv % 256; |
igor_v | 0:8ad47e2b6f00 | 448 | LPC_UART0->LCR &= ~DLAB_access; |
igor_v | 0:8ad47e2b6f00 | 449 | #endif |
igor_v | 0:8ad47e2b6f00 | 450 | } |
igor_v | 0:8ad47e2b6f00 | 451 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 452 | ** Function name: UART_DMA_Init |
igor_v | 0:8ad47e2b6f00 | 453 | ** |
igor_v | 0:8ad47e2b6f00 | 454 | ** Descriptions: Initialisation of DMA channel for UART transmitter |
igor_v | 0:8ad47e2b6f00 | 455 | ** |
igor_v | 0:8ad47e2b6f00 | 456 | ** parameters: None |
igor_v | 0:8ad47e2b6f00 | 457 | ** Returned value: None |
igor_v | 21:bc8c1cec3da6 | 458 | ** |
igor_v | 0:8ad47e2b6f00 | 459 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 460 | void UART_DMA_Init() |
igor_v | 0:8ad47e2b6f00 | 461 | { |
igor_v | 0:8ad47e2b6f00 | 462 | //+++++++++++++++++config channel for UART0+++++++++++++++++++++++++++++++++++++++++++++++ |
igor_v | 21:bc8c1cec3da6 | 463 | LPC_GPDMACH1->CConfig &= ~DMAChannelEn; |
igor_v | 21:bc8c1cec3da6 | 464 | |
igor_v | 21:bc8c1cec3da6 | 465 | LPC_GPDMA->IntTCClear = DMA1_IntTCClear; |
igor_v | 21:bc8c1cec3da6 | 466 | LPC_GPDMA->IntErrClr = DMA1_IntErrClear; |
igor_v | 0:8ad47e2b6f00 | 467 | |
igor_v | 21:bc8c1cec3da6 | 468 | LPC_GPDMACH1->CSrcAddr = (uint32_t)&trm_buf; |
igor_v | 21:bc8c1cec3da6 | 469 | LPC_GPDMACH1->CDestAddr = UART1_DMA_TX_DST; |
igor_v | 21:bc8c1cec3da6 | 470 | LPC_GPDMACH1->CControl = SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 471 | #if defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 472 | LPC_GPDMACH1->CConfig |= MaskTCInt | MaskErrInt | DMA_MEMORY | DstDMA_UART1_TX |(M2P << 11); |
igor_v | 0:8ad47e2b6f00 | 473 | #else |
igor_v | 21:bc8c1cec3da6 | 474 | g LPC_GPDMACH1->CConfig |= MaskTCInt | MaskErrInt | DMA_MEMORY | DstDMA_UART0_TX |(M2P << 11); |
igor_v | 0:8ad47e2b6f00 | 475 | #endif |
igor_v | 0:8ad47e2b6f00 | 476 | |
igor_v | 21:bc8c1cec3da6 | 477 | EnablDMA = (LPC_GPDMACH1->CConfig)|DMAChannelEn; //save register content for DMA starting in multidrop mode |
igor_v | 21:bc8c1cec3da6 | 478 | //**********for Rate mode output***************************** |
igor_v | 21:bc8c1cec3da6 | 479 | #if defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 480 | LLI1_TypeDef[0] = (uint32_t)&trm_buf[32]; |
igor_v | 21:bc8c1cec3da6 | 481 | LLI1_TypeDef[1] = UART1_DMA_TX_DST; |
igor_v | 21:bc8c1cec3da6 | 482 | LLI1_TypeDef[2] = 0; |
igor_v | 21:bc8c1cec3da6 | 483 | LLI1_TypeDef[3] = (12 & 0x0FFF) | SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 484 | |
igor_v | 21:bc8c1cec3da6 | 485 | LLI0_TypeDef[0] = (uint32_t)&trm_buf[16]; |
igor_v | 21:bc8c1cec3da6 | 486 | LLI0_TypeDef[1] = UART1_DMA_TX_DST; |
igor_v | 21:bc8c1cec3da6 | 487 | LLI0_TypeDef[2] = (uint32_t)&LLI1_TypeDef; |
igor_v | 21:bc8c1cec3da6 | 488 | LLI0_TypeDef[3] = (16 & 0x0FFF) | SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 489 | #else |
igor_v | 21:bc8c1cec3da6 | 490 | LLI1_TypeDef[0] = (uint32_t)&trm_buf[32]; |
igor_v | 21:bc8c1cec3da6 | 491 | LLI1_TypeDef[1] = UART0_DMA_TX_DST; |
igor_v | 21:bc8c1cec3da6 | 492 | LLI1_TypeDef[2] = 0; |
igor_v | 21:bc8c1cec3da6 | 493 | LLI1_TypeDef[3] = (12 & 0x0FFF) | SrcBSize_1 | DstBSize_1 | SrcWidth_8b | DstWidth_8b | SrcInc | DstFixed | TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 494 | |
igor_v | 21:bc8c1cec3da6 | 495 | LLI0_TypeDef[0] = (uint32_t)&trm_buf[16]; |
igor_v | 21:bc8c1cec3da6 | 496 | LLI0_TypeDef[1] = UART0_DMA_TX_DST; |
igor_v | 21:bc8c1cec3da6 | 497 | LLI0_TypeDef[2] = (uint32_t)&LLI1_TypeDef; |
igor_v | 21:bc8c1cec3da6 | 498 | LLI0_TypeDef[3] = (16 & 0x0FFF)|SrcBSize_1 |DstBSize_1 |SrcWidth_8b |
igor_v | 21:bc8c1cec3da6 | 499 | |DstWidth_8b|SrcInc |DstFixed |TCIntDisabl; |
igor_v | 0:8ad47e2b6f00 | 500 | #endif |
igor_v | 0:8ad47e2b6f00 | 501 | //++++++++++++++++++++++++++config channel for transmit enable signal+++++++++++++++++++ |
igor_v | 21:bc8c1cec3da6 | 502 | LPC_GPDMACH2->CConfig &= ~DMAChannelEn; |
igor_v | 0:8ad47e2b6f00 | 503 | |
igor_v | 21:bc8c1cec3da6 | 504 | LPC_GPDMA->IntTCClear = DMA2_IntTCClear; |
igor_v | 21:bc8c1cec3da6 | 505 | LPC_GPDMA->IntErrClr = DMA2_IntErrClear; |
igor_v | 0:8ad47e2b6f00 | 506 | |
igor_v | 21:bc8c1cec3da6 | 507 | LPC_GPDMACH2->CSrcAddr = (uint32_t)&EnablTx; //e. content of TX UART1 enable register |
igor_v | 21:bc8c1cec3da6 | 508 | LPC_GPDMACH2->CDestAddr = 0x40010030; //e. address of TX UART1 enable register (U1TER) |
igor_v | 0:8ad47e2b6f00 | 509 | |
igor_v | 21:bc8c1cec3da6 | 510 | LPC_GPDMACH2->CControl = SrcBSize_4 |DstBSize_4 |
igor_v | 21:bc8c1cec3da6 | 511 | |SrcWidth_8b |DstWidth_8b|SrcFixed |DstFixed |TCIntEnabl; |
igor_v | 21:bc8c1cec3da6 | 512 | |
igor_v | 21:bc8c1cec3da6 | 513 | LPC_GPDMACH2->CConfig |= MaskTCInt |MaskErrInt |
igor_v | 21:bc8c1cec3da6 | 514 | |SrcDMA_UART0_RX |DstDMA_UART0_RX|(M2P << 11); |
igor_v | 21:bc8c1cec3da6 | 515 | LPC_GPDMACH2->CLLI = 0; //e. linked list is empty |
igor_v | 0:8ad47e2b6f00 | 516 | |
igor_v | 0:8ad47e2b6f00 | 517 | //++++++++++++++++++++++++++config channel for DMA1 enable signal+++++++++++++++++++ |
igor_v | 0:8ad47e2b6f00 | 518 | #if defined UART1TEST |
igor_v | 21:bc8c1cec3da6 | 519 | LPC_GPDMACH4->CConfig &= ~DMAChannelEn; |
igor_v | 21:bc8c1cec3da6 | 520 | |
igor_v | 21:bc8c1cec3da6 | 521 | LPC_GPDMA->IntTCClear = DMA4_IntTCClear; |
igor_v | 21:bc8c1cec3da6 | 522 | LPC_GPDMA->IntErrClr = DMA4_IntErrClear; |
igor_v | 21:bc8c1cec3da6 | 523 | |
igor_v | 21:bc8c1cec3da6 | 524 | LPC_GPDMACH4->CSrcAddr = (uint32_t)&EnablDMA; //e. content of TX UART1 enable register |
igor_v | 21:bc8c1cec3da6 | 525 | LPC_GPDMACH4->CDestAddr = 0x50004130; //e. address of DMA1CConfig register |
igor_v | 0:8ad47e2b6f00 | 526 | |
igor_v | 21:bc8c1cec3da6 | 527 | LPC_GPDMACH4->CControl = SrcBSize_4 |DstBSize_4 |
igor_v | 21:bc8c1cec3da6 | 528 | |SrcWidth_8b |DstWidth_8b|SrcFixed |DstFixed |TCIntEnabl; |
igor_v | 0:8ad47e2b6f00 | 529 | |
igor_v | 21:bc8c1cec3da6 | 530 | LPC_GPDMACH4->CConfig |= MaskTCInt |MaskErrInt |
igor_v | 21:bc8c1cec3da6 | 531 | |SrcDMA_UART0_TX |DstDMA_UART0_TX|(M2P << 11); |
igor_v | 21:bc8c1cec3da6 | 532 | LPC_GPDMACH4->CLLI = 0; //e. linked list is empty |
igor_v | 21:bc8c1cec3da6 | 533 | #endif |
igor_v | 0:8ad47e2b6f00 | 534 | } |
igor_v | 0:8ad47e2b6f00 | 535 | /****************************************************************************** |
igor_v | 0:8ad47e2b6f00 | 536 | ** End Of File |
igor_v | 0:8ad47e2b6f00 | 537 | ******************************************************************************/ |
igor_v | 0:8ad47e2b6f00 | 538 | |
igor_v | 21:bc8c1cec3da6 | 539 |