Lorcan Smith
/
Enet_SPI
SNMP agent attached to SPI slave
main.cpp@2:25e12a7fe0aa, 2012-09-06 (annotated)
- Committer:
- lorcansmith
- Date:
- Thu Sep 06 12:52:48 2012 +0000
- Revision:
- 2:25e12a7fe0aa
- Parent:
- 0:2a53a4c3238c
Open source version 1.a
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lorcansmith | 0:2a53a4c3238c | 1 | |
lorcansmith | 0:2a53a4c3238c | 2 | /* |
lorcansmith | 0:2a53a4c3238c | 3 | Generated: Enet_SPI_LPC1768.bin |
lorcansmith | 0:2a53a4c3238c | 4 | |
lorcansmith | 0:2a53a4c3238c | 5 | mbed test software for Ethernet HTTPServer with simultaneous SPI for 4 data byte updates |
lorcansmith | 0:2a53a4c3238c | 6 | |
lorcansmith | 0:2a53a4c3238c | 7 | Version Date Author Change |
lorcansmith | 0:2a53a4c3238c | 8 | 0.2: 06/10/11 LS Add block checksum character to SPI data |
lorcansmith | 0:2a53a4c3238c | 9 | 0.3: 07/10/11 LS Add SPI read from cmd_buf |
lorcansmith | 0:2a53a4c3238c | 10 | 0.4: 13/10/11 LS Integrated with HTTP server example code |
lorcansmith | 0:2a53a4c3238c | 11 | 0.5: 18/10/11 LS Initial file handling |
lorcansmith | 0:2a53a4c3238c | 12 | 0.6: 26/10/11 LS File IO handled by SPI_server class |
lorcansmith | 0:2a53a4c3238c | 13 | 0.78: 17/11/11 LS Add SNMP files for system info reporting, but HTTP svr.bind disabled |
lorcansmith | 2:25e12a7fe0aa | 14 | 0.79 12/12/11 LS Reads network addresses from file & uses enterprise address |
lorcansmith | 0:2a53a4c3238c | 15 | 0.80 18/12/11 LS Save last number read in read_addrs_from_file(). |
lorcansmith | 0:2a53a4c3238c | 16 | 0.81 22/12/11 LS Add new_cmd_idx to indicate which parameter has been set (0 for none). |
lorcansmith | 0:2a53a4c3238c | 17 | 0.82 22/12/11 LS Add blinker to show comms activity |
lorcansmith | 0:2a53a4c3238c | 18 | 0.83 23/12/11 LS Clear cmd_buf[0] after SPI been read 4 times |
lorcansmith | 0:2a53a4c3238c | 19 | 0.84 27/12/11 LS snmp_fw_version & f3k_fw_version saved as 4 char strings |
lorcansmith | 0:2a53a4c3238c | 20 | 0.85 29/12/11 LS Update f3k_sys_set_value() & f3k_sys_set_test() to enable net address change |
lorcansmith | 0:2a53a4c3238c | 21 | 0.90 29/12/11 LS Add 3-step routine for passing commands over SPI bus from cmd_buf |
lorcansmith | 0:2a53a4c3238c | 22 | 0.94 10/01/12 LS Add led_link = LPC_GPIO1->FIOPIN & (1<<25) in netservice.cpp |
lorcansmith | 0:2a53a4c3238c | 23 | 0.95 11/01/12 LS Fix f3k_speed reporting error in private_mib.c |
lorcansmith | 0:2a53a4c3238c | 24 | 0.96 12/01/12 LS Move led_link = LPC_GPIO1->FIOPIN & (1<<25) to eth_poll in eth_drv.cpp |
lorcansmith | 0:2a53a4c3238c | 25 | 0.98 26/04/12 LS Increase snmp_publiccommunity[7] to [21] and allow this to be set from file |
lorcansmith | 0:2a53a4c3238c | 26 | 0.99 08/06/12 LS #define SNMP_TRAP_DESTINATIONS 1. Declare th_ad[4] for host trap address |
lorcansmith | 0:2a53a4c3238c | 27 | Add init_traps() to ensure head-head link status trap is sent |
lorcansmith | 0:2a53a4c3238c | 28 | 21/06/12 Add check for changes to IO bytes and chk_SPI_active() every 60 seconds |
lorcansmith | 0:2a53a4c3238c | 29 | 1.00 22/06/12 LS Save SNMP changes to net addresses & mask4_IO_registers in net_adrs.txt |
lorcansmith | 0:2a53a4c3238c | 30 | |
lorcansmith | 0:2a53a4c3238c | 31 | http://192.168.99.99/rpc/offset,604 writes 604 to reg_offset |
lorcansmith | 0:2a53a4c3238c | 32 | http://192.168.99.99/rpc/led2/write,1 writes 1 to led2 |
lorcansmith | 0:2a53a4c3238c | 33 | http://192.168.99.99/files/IO1000PX.htm uploads file IO1000PX.htm |
lorcansmith | 0:2a53a4c3238c | 34 | */ |
lorcansmith | 0:2a53a4c3238c | 35 | |
lorcansmith | 0:2a53a4c3238c | 36 | #include "mbed.h" |
lorcansmith | 0:2a53a4c3238c | 37 | #include "EthernetNetIf.h" |
lorcansmith | 0:2a53a4c3238c | 38 | #include "HTTPServer.h" |
lorcansmith | 2:25e12a7fe0aa | 39 | #include "lwip/snmp_structs.h" |
lorcansmith | 2:25e12a7fe0aa | 40 | #include "lwip/snmp_msg.h" |
lorcansmith | 0:2a53a4c3238c | 41 | #include "IO_file.h" |
lorcansmith | 0:2a53a4c3238c | 42 | |
lorcansmith | 0:2a53a4c3238c | 43 | #define LPC1768 0x60 // SPI address of LPC1768 module |
lorcansmith | 0:2a53a4c3238c | 44 | #define READ_IO 0x01 // bit in address field for data reads |
lorcansmith | 0:2a53a4c3238c | 45 | #define SPI_BYTES 4 // # of data bytes in SPI message |
lorcansmith | 0:2a53a4c3238c | 46 | #define INV_SPI_CNT 0xfffff // invalid (over-range SPI count |
lorcansmith | 0:2a53a4c3238c | 47 | #define NUM_READ 8 // # of SPI replies for valid reads |
lorcansmith | 0:2a53a4c3238c | 48 | #define NUM_INDX 4 // # of SPI replies for valid cmd_buf index |
lorcansmith | 0:2a53a4c3238c | 49 | #define MAX_CMD 4 // size of CMD buffer |
lorcansmith | 0:2a53a4c3238c | 50 | #define NO_CMD 0xff // data on cmd_buf[0] when NO_CMD to be sent |
lorcansmith | 0:2a53a4c3238c | 51 | #define NO_UPDATE 0 // NO change to Ethernet addresses |
lorcansmith | 0:2a53a4c3238c | 52 | #define UPDATED 0xff // Ethernet addresses updated in file |
lorcansmith | 0:2a53a4c3238c | 53 | #define NET_ADRS_FILE "/webfs/net_adrs.txt" |
lorcansmith | 0:2a53a4c3238c | 54 | |
lorcansmith | 0:2a53a4c3238c | 55 | |
lorcansmith | 2:25e12a7fe0aa | 56 | const char * snmp_fw_version = "1.a"; |
lorcansmith | 0:2a53a4c3238c | 57 | |
lorcansmith | 0:2a53a4c3238c | 58 | /* default ethernet address setup */ |
lorcansmith | 0:2a53a4c3238c | 59 | unsigned char ip_ad[4] = {192,168,99,99}; |
lorcansmith | 0:2a53a4c3238c | 60 | unsigned char msk_ad[4] = {255,255,255,0}; |
lorcansmith | 0:2a53a4c3238c | 61 | unsigned char gwy_ad[4] = {192,168,99,253}; |
lorcansmith | 0:2a53a4c3238c | 62 | unsigned char dns_ad[4] = {192,168,99,253}; |
lorcansmith | 0:2a53a4c3238c | 63 | unsigned char th_ad[4] = {146,38,105,49}; // v0.99: host address for SNMP traps |
lorcansmith | 0:2a53a4c3238c | 64 | unsigned char net_addrs_set = false; // flags net address update from SNMP |
lorcansmith | 2:25e12a7fe0aa | 65 | unsigned char net_addrs_chng = NO_UPDATE; // flags net address changed in main CPU |
lorcansmith | 0:2a53a4c3238c | 66 | unsigned char byte_changed = false; // true if any IO regs have changed |
lorcansmith | 0:2a53a4c3238c | 67 | unsigned char all_IO_updated = false; // true if all 32 IO regs have been read |
lorcansmith | 0:2a53a4c3238c | 68 | char hex_mask[12]; // IO mask as hex string |
lorcansmith | 0:2a53a4c3238c | 69 | unsigned long mask4_IO_registers = 0x3fffffff; // mask for IO regs ignoring IO31 & 32 |
lorcansmith | 0:2a53a4c3238c | 70 | unsigned long spi_count = 0; // last SPI_COUNT saved in SPI interrupt |
lorcansmith | 0:2a53a4c3238c | 71 | unsigned char spi_active = true; // avoid false trap message at start |
lorcansmith | 0:2a53a4c3238c | 72 | |
lorcansmith | 2:25e12a7fe0aa | 73 | static u8_t syslocation[32]; /* v0.9b */ |
lorcansmith | 0:2a53a4c3238c | 74 | u8_t sysloc_len; |
lorcansmith | 0:2a53a4c3238c | 75 | |
lorcansmith | 0:2a53a4c3238c | 76 | SPISlave spi_slave(p11, p12, p13, p14); // mosi, miso, sclk, ssel |
lorcansmith | 0:2a53a4c3238c | 77 | |
lorcansmith | 0:2a53a4c3238c | 78 | Ticker comms_tick; |
lorcansmith | 0:2a53a4c3238c | 79 | Ticker sys_tick; // system tick for SNMP sysuptime report |
lorcansmith | 0:2a53a4c3238c | 80 | Ticker spi_tick; // tick for monitoring SPI activity |
lorcansmith | 0:2a53a4c3238c | 81 | Timeout cold_start_delay; |
lorcansmith | 0:2a53a4c3238c | 82 | |
lorcansmith | 2:25e12a7fe0aa | 83 | DigitalOut led1(LED1, "led1"); // mimics head-head link status o/p in main CPU I/O |
lorcansmith | 0:2a53a4c3238c | 84 | DigitalOut led2(LED2, "led2"); |
lorcansmith | 0:2a53a4c3238c | 85 | DigitalOut led3(LED3, "led3"); |
lorcansmith | 0:2a53a4c3238c | 86 | DigitalOut led4(LED4, "led4"); |
lorcansmith | 0:2a53a4c3238c | 87 | DigitalOut led_link(p29); // Green link status: ON=good, Blink=Activity |
lorcansmith | 0:2a53a4c3238c | 88 | DigitalOut led_speed(p30); // Yellow link speed: ON for 100Mb/s |
lorcansmith | 0:2a53a4c3238c | 89 | |
lorcansmith | 0:2a53a4c3238c | 90 | unsigned char blink_led = false; |
lorcansmith | 0:2a53a4c3238c | 91 | unsigned char trap_init = false; // true after cold_start trap sent |
lorcansmith | 0:2a53a4c3238c | 92 | |
lorcansmith | 0:2a53a4c3238c | 93 | LocalFileSystem fs( "webfs" ); |
lorcansmith | 0:2a53a4c3238c | 94 | |
lorcansmith | 0:2a53a4c3238c | 95 | IpAddr mip, mnm, mgw, mdns; // instantiate from core\ipaddr.cpp |
lorcansmith | 0:2a53a4c3238c | 96 | |
lorcansmith | 0:2a53a4c3238c | 97 | //EthernetNetIf eth; // use if DNS sets up address |
lorcansmith | 0:2a53a4c3238c | 98 | |
lorcansmith | 0:2a53a4c3238c | 99 | HTTPServer svr; |
lorcansmith | 0:2a53a4c3238c | 100 | SPI_Server fsvr( "fsvr" ); |
lorcansmith | 0:2a53a4c3238c | 101 | |
lorcansmith | 0:2a53a4c3238c | 102 | Serial pc( USBTX, USBRX ); // for diagnostic serial comms to PC via USB |
lorcansmith | 0:2a53a4c3238c | 103 | |
lorcansmith | 0:2a53a4c3238c | 104 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 105 | /* SPI interface data and routines */ |
lorcansmith | 0:2a53a4c3238c | 106 | /****************************************************************************/ |
lorcansmith | 2:25e12a7fe0aa | 107 | /* commands sent to main CPU cpu from cmd_buf[0] and |
lorcansmith | 0:2a53a4c3238c | 108 | waiting commands stored in higher indices until sent */ |
lorcansmith | 0:2a53a4c3238c | 109 | unsigned char cmd_buf[ MAX_CMD ]; // store for commands from Ethernet |
lorcansmith | 0:2a53a4c3238c | 110 | unsigned char new_cmd_idx; |
lorcansmith | 0:2a53a4c3238c | 111 | |
lorcansmith | 0:2a53a4c3238c | 112 | |
lorcansmith | 0:2a53a4c3238c | 113 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 114 | /* SPI_Server: |
lorcansmith | 0:2a53a4c3238c | 115 | * Description: Instantiates Class to hold & access all data read from RAM by SPI |
lorcansmith | 0:2a53a4c3238c | 116 | * Called by FSHandler::doGet() in services\http\server\impl |
lorcansmith | 0:2a53a4c3238c | 117 | * Parameters: name of object instantiated |
lorcansmith | 0:2a53a4c3238c | 118 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 119 | */ |
lorcansmith | 0:2a53a4c3238c | 120 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 121 | SPI_Server::SPI_Server(const char * name) |
lorcansmith | 0:2a53a4c3238c | 122 | { |
lorcansmith | 0:2a53a4c3238c | 123 | int idx; |
lorcansmith | 0:2a53a4c3238c | 124 | for ( idx = 0; idx < MAX_RAM; idx++ ) |
lorcansmith | 2:25e12a7fe0aa | 125 | { |
lorcansmith | 2:25e12a7fe0aa | 126 | ram_img[ idx ] = (MAX_RAM - idx) & 0xff; |
lorcansmith | 0:2a53a4c3238c | 127 | } |
lorcansmith | 0:2a53a4c3238c | 128 | reg_offset = 0; |
lorcansmith | 0:2a53a4c3238c | 129 | } |
lorcansmith | 0:2a53a4c3238c | 130 | |
lorcansmith | 0:2a53a4c3238c | 131 | SPI_Server::~SPI_Server() |
lorcansmith | 0:2a53a4c3238c | 132 | { |
lorcansmith | 0:2a53a4c3238c | 133 | if(fp) fclose(fp); |
lorcansmith | 0:2a53a4c3238c | 134 | } |
lorcansmith | 0:2a53a4c3238c | 135 | |
lorcansmith | 0:2a53a4c3238c | 136 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 137 | /* update_IO_file: |
lorcansmith | 0:2a53a4c3238c | 138 | * Description: Reads data from ram_img[] into IO1000PX.htm for web access |
lorcansmith | 0:2a53a4c3238c | 139 | * Called by FSHandler::doGet() in services\http\server\impl |
lorcansmith | 0:2a53a4c3238c | 140 | * Globals used: NONE |
lorcansmith | 0:2a53a4c3238c | 141 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 142 | * Returns: 0 if OK, 1 if failed to open files |
lorcansmith | 0:2a53a4c3238c | 143 | */ |
lorcansmith | 0:2a53a4c3238c | 144 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 145 | int SPI_Server::update_IO_file() |
lorcansmith | 0:2a53a4c3238c | 146 | { |
lorcansmith | 0:2a53a4c3238c | 147 | int c, i; // characters read/written in files |
lorcansmith | 0:2a53a4c3238c | 148 | unsigned short chnl, dval; // data from 1000PX |
lorcansmith | 0:2a53a4c3238c | 149 | |
lorcansmith | 0:2a53a4c3238c | 150 | DBG("\r\nIn SPI_Server::update_IO_file()\r\n"); |
lorcansmith | 0:2a53a4c3238c | 151 | FILE *fr = fopen("/webfs/hdr.htm", "r"); |
lorcansmith | 0:2a53a4c3238c | 152 | if(!fr) { |
lorcansmith | 0:2a53a4c3238c | 153 | fprintf(stderr, "\r\nFile /webfs/hdr.htm could not be opened!\r\n"); |
lorcansmith | 0:2a53a4c3238c | 154 | exit(1); |
lorcansmith | 0:2a53a4c3238c | 155 | } |
lorcansmith | 0:2a53a4c3238c | 156 | else |
lorcansmith | 0:2a53a4c3238c | 157 | { |
lorcansmith | 0:2a53a4c3238c | 158 | fp = fopen( "/webfs/IO1000PX.htm", "w" ); |
lorcansmith | 0:2a53a4c3238c | 159 | if(!fp) { |
lorcansmith | 0:2a53a4c3238c | 160 | fprintf(stderr, "\r\nFile /webfs/IO1000PX.htm could not be opened to write!\r\n" ); |
lorcansmith | 0:2a53a4c3238c | 161 | exit(1); |
lorcansmith | 0:2a53a4c3238c | 162 | } |
lorcansmith | 0:2a53a4c3238c | 163 | else |
lorcansmith | 0:2a53a4c3238c | 164 | { |
lorcansmith | 0:2a53a4c3238c | 165 | while ( (c = fgetc(fr)) != EOF ) |
lorcansmith | 0:2a53a4c3238c | 166 | { |
lorcansmith | 0:2a53a4c3238c | 167 | fputc( c, fp ); |
lorcansmith | 0:2a53a4c3238c | 168 | } |
lorcansmith | 0:2a53a4c3238c | 169 | fclose(fr); |
lorcansmith | 0:2a53a4c3238c | 170 | DBG("\r\nIn SPI_Server::update_IO_file() - header copied\r\n"); |
lorcansmith | 0:2a53a4c3238c | 171 | for ( i = 0; i < 16; i++ ) |
lorcansmith | 0:2a53a4c3238c | 172 | { |
lorcansmith | 0:2a53a4c3238c | 173 | chnl = reg_offset + i; |
lorcansmith | 0:2a53a4c3238c | 174 | dval = 256 * ram_img[ 2*chnl ] + ram_img[ 2*chnl + 1 ]; |
lorcansmith | 0:2a53a4c3238c | 175 | fprintf(fp, " <TR VALIGN=TOP>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 176 | fprintf(fp, " <TD WIDTH=124>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 177 | fprintf(fp, " <P>%02d</P>\r\n", chnl ); |
lorcansmith | 0:2a53a4c3238c | 178 | fprintf(fp, " </TD>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 179 | fprintf(fp, " <TD WIDTH=124>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 180 | fprintf(fp, " <P>%d</P>\r\n", dval ); |
lorcansmith | 0:2a53a4c3238c | 181 | fprintf(fp, " </TD>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 182 | fprintf(fp, " <TD WIDTH=124>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 183 | fprintf(fp, " <P>%02x</P>\r\n", (dval/256) ); |
lorcansmith | 0:2a53a4c3238c | 184 | fprintf(fp, " </TD>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 185 | fprintf(fp, " <TD WIDTH=124>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 186 | fprintf(fp, " <P>%02x</P>\r\n", (dval & 0xff) ); |
lorcansmith | 0:2a53a4c3238c | 187 | fprintf(fp, " </TD>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 188 | fprintf(fp, " </TR>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 189 | } |
lorcansmith | 0:2a53a4c3238c | 190 | fprintf(fp, "</TABLE>\r\n<P><BR><BR>\r\n</P>\r\n</BODY>\r\n</HTML>\r\n"); |
lorcansmith | 0:2a53a4c3238c | 191 | } |
lorcansmith | 0:2a53a4c3238c | 192 | } |
lorcansmith | 0:2a53a4c3238c | 193 | fclose(fp); |
lorcansmith | 0:2a53a4c3238c | 194 | // fclose(fr); |
lorcansmith | 0:2a53a4c3238c | 195 | return 0; |
lorcansmith | 0:2a53a4c3238c | 196 | } |
lorcansmith | 0:2a53a4c3238c | 197 | |
lorcansmith | 0:2a53a4c3238c | 198 | int SPI_Server::read( void ) |
lorcansmith | 0:2a53a4c3238c | 199 | { |
lorcansmith | 0:2a53a4c3238c | 200 | DBG("\r\nIn SPI_Server::read()\r\n"); |
lorcansmith | 0:2a53a4c3238c | 201 | return reg_offset; |
lorcansmith | 0:2a53a4c3238c | 202 | } |
lorcansmith | 0:2a53a4c3238c | 203 | |
lorcansmith | 0:2a53a4c3238c | 204 | void SPI_Server::write( int new_offset ) |
lorcansmith | 0:2a53a4c3238c | 205 | { |
lorcansmith | 0:2a53a4c3238c | 206 | DBG("\r\nIn SPI_Server::write()\r\n"); |
lorcansmith | 0:2a53a4c3238c | 207 | if ( (new_offset >= 0) && (new_offset < MAX_RAM) ) reg_offset = new_offset; |
lorcansmith | 0:2a53a4c3238c | 208 | } |
lorcansmith | 0:2a53a4c3238c | 209 | |
lorcansmith | 0:2a53a4c3238c | 210 | unsigned char SPI_Server::get_byte( unsigned short idx ) |
lorcansmith | 0:2a53a4c3238c | 211 | { |
lorcansmith | 0:2a53a4c3238c | 212 | return ram_img[ idx ]; |
lorcansmith | 0:2a53a4c3238c | 213 | } |
lorcansmith | 0:2a53a4c3238c | 214 | |
lorcansmith | 0:2a53a4c3238c | 215 | void SPI_Server::put_byte( unsigned short idx, unsigned char new_byte ) |
lorcansmith | 0:2a53a4c3238c | 216 | { |
lorcansmith | 0:2a53a4c3238c | 217 | if ( idx < MAX_RAM ) |
lorcansmith | 0:2a53a4c3238c | 218 | ram_img[ idx ] = new_byte; |
lorcansmith | 0:2a53a4c3238c | 219 | } |
lorcansmith | 0:2a53a4c3238c | 220 | |
lorcansmith | 0:2a53a4c3238c | 221 | unsigned short SPI_Server::get_error( void ) |
lorcansmith | 0:2a53a4c3238c | 222 | { |
lorcansmith | 2:25e12a7fe0aa | 223 | // return error register value from main CPU |
lorcansmith | 0:2a53a4c3238c | 224 | return (256 * ram_img[ 1786 ]) + ram_img[ 1787 ]; |
lorcansmith | 0:2a53a4c3238c | 225 | } |
lorcansmith | 0:2a53a4c3238c | 226 | |
lorcansmith | 0:2a53a4c3238c | 227 | unsigned short SPI_Server::get_SPI_count( void ) |
lorcansmith | 0:2a53a4c3238c | 228 | { |
lorcansmith | 2:25e12a7fe0aa | 229 | // return SPI write count from main CPU - indicates main CPU running OK |
lorcansmith | 0:2a53a4c3238c | 230 | return (256 * ram_img[ SPI_COUNT ]) + ram_img[ SPI_COUNT + 1 ]; |
lorcansmith | 0:2a53a4c3238c | 231 | } |
lorcansmith | 0:2a53a4c3238c | 232 | |
lorcansmith | 0:2a53a4c3238c | 233 | unsigned char * SPI_Server::net_address_ptr( void ) |
lorcansmith | 0:2a53a4c3238c | 234 | { |
lorcansmith | 0:2a53a4c3238c | 235 | return &ram_img[ NET_IP_ADDRESS ]; |
lorcansmith | 0:2a53a4c3238c | 236 | } |
lorcansmith | 0:2a53a4c3238c | 237 | |
lorcansmith | 0:2a53a4c3238c | 238 | unsigned char * SPI_Server::trap_host_ptr( void ) |
lorcansmith | 0:2a53a4c3238c | 239 | { |
lorcansmith | 0:2a53a4c3238c | 240 | return &ram_img[ TRAP_HOST_ADDRESS ]; |
lorcansmith | 0:2a53a4c3238c | 241 | } |
lorcansmith | 0:2a53a4c3238c | 242 | |
lorcansmith | 0:2a53a4c3238c | 243 | #if 0 |
lorcansmith | 0:2a53a4c3238c | 244 | //#ifdef MBED_RPC trap_host_ptr |
lorcansmith | 0:2a53a4c3238c | 245 | const struct rpc_method *SPI_Server::get_rpc_methods() { |
lorcansmith | 0:2a53a4c3238c | 246 | static const rpc_method methods[] = { |
lorcansmith | 0:2a53a4c3238c | 247 | { "read", rpc_method_caller<int, SPI_Server, &SPI_Server::read> }, |
lorcansmith | 0:2a53a4c3238c | 248 | { "write", rpc_method_caller<SPI_Server, int, &SPI_Server::write> }, |
lorcansmith | 0:2a53a4c3238c | 249 | RPC_METHOD_SUPER(Base) //Stream) |
lorcansmith | 0:2a53a4c3238c | 250 | }; |
lorcansmith | 0:2a53a4c3238c | 251 | return methods; |
lorcansmith | 0:2a53a4c3238c | 252 | } |
lorcansmith | 0:2a53a4c3238c | 253 | |
lorcansmith | 0:2a53a4c3238c | 254 | struct rpc_class *SPI_Server::get_rpc_class() { |
lorcansmith | 0:2a53a4c3238c | 255 | static const rpc_function funcs[] = { |
lorcansmith | 0:2a53a4c3238c | 256 | { "new", rpc_function_caller<const char*, int, &Base::construct<SPI_Server, int> > }, |
lorcansmith | 0:2a53a4c3238c | 257 | RPC_METHOD_END |
lorcansmith | 0:2a53a4c3238c | 258 | }; |
lorcansmith | 0:2a53a4c3238c | 259 | static rpc_class c = { "SPI_Server", funcs, NULL }; |
lorcansmith | 0:2a53a4c3238c | 260 | return &c; |
lorcansmith | 0:2a53a4c3238c | 261 | } |
lorcansmith | 0:2a53a4c3238c | 262 | #endif |
lorcansmith | 0:2a53a4c3238c | 263 | |
lorcansmith | 0:2a53a4c3238c | 264 | void check4write_offset( char * req ) |
lorcansmith | 0:2a53a4c3238c | 265 | { |
lorcansmith | 0:2a53a4c3238c | 266 | unsigned char l, c, i; |
lorcansmith | 0:2a53a4c3238c | 267 | char v[ 20 ] = {0}; |
lorcansmith | 0:2a53a4c3238c | 268 | char s[ 20 ] = {0}; |
lorcansmith | 0:2a53a4c3238c | 269 | char * p; |
lorcansmith | 0:2a53a4c3238c | 270 | |
lorcansmith | 0:2a53a4c3238c | 271 | strcpy( v, "/offset," ); |
lorcansmith | 0:2a53a4c3238c | 272 | p = strstr( req, v ); |
lorcansmith | 0:2a53a4c3238c | 273 | strcpy( s, p ); |
lorcansmith | 0:2a53a4c3238c | 274 | if ( p != NULL ) |
lorcansmith | 0:2a53a4c3238c | 275 | { |
lorcansmith | 0:2a53a4c3238c | 276 | i = strlen(v); |
lorcansmith | 0:2a53a4c3238c | 277 | l = strlen(s); |
lorcansmith | 0:2a53a4c3238c | 278 | if ( (l > i) && (l < (i + 6)) ) |
lorcansmith | 0:2a53a4c3238c | 279 | { |
lorcansmith | 0:2a53a4c3238c | 280 | l -= i; |
lorcansmith | 0:2a53a4c3238c | 281 | for ( c = 0; c < l; c++ ) |
lorcansmith | 0:2a53a4c3238c | 282 | { |
lorcansmith | 0:2a53a4c3238c | 283 | v[ c ] = s[ i + c ]; |
lorcansmith | 0:2a53a4c3238c | 284 | } |
lorcansmith | 0:2a53a4c3238c | 285 | v[ c ] = 0; |
lorcansmith | 0:2a53a4c3238c | 286 | fsvr.write( atoi(v) ); |
lorcansmith | 0:2a53a4c3238c | 287 | } |
lorcansmith | 0:2a53a4c3238c | 288 | } |
lorcansmith | 0:2a53a4c3238c | 289 | } |
lorcansmith | 0:2a53a4c3238c | 290 | |
lorcansmith | 0:2a53a4c3238c | 291 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 292 | /* get_SPI_data: |
lorcansmith | 0:2a53a4c3238c | 293 | * Description: Implements transaction as SPI slave. |
lorcansmith | 0:2a53a4c3238c | 294 | * Reads 4 data bytes from SPI bus into destbuf for SPI write, or |
lorcansmith | 0:2a53a4c3238c | 295 | * Puts 1 byte from srcbuf onto SPI for SPI read |
lorcansmith | 0:2a53a4c3238c | 296 | * Called by main when spi_slave.receive interrupts |
lorcansmith | 0:2a53a4c3238c | 297 | * LPC1768 SPI slave handles a maximum of 8 bytes per transfer |
lorcansmith | 0:2a53a4c3238c | 298 | * Globals used: NONE |
lorcansmith | 0:2a53a4c3238c | 299 | * Parameters: IN/OUT: unsigned char * srcbuf : buffer to read from |
lorcansmith | 0:2a53a4c3238c | 300 | * Returns: int buf_idx : index to SPI data in destbuf/srcbuf |
lorcansmith | 0:2a53a4c3238c | 301 | */ |
lorcansmith | 0:2a53a4c3238c | 302 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 303 | int get_SPI_data( unsigned char * srcbuf ) |
lorcansmith | 0:2a53a4c3238c | 304 | { |
lorcansmith | 0:2a53a4c3238c | 305 | static unsigned char rd_cnt; // v0.83: count of times valid data put on bus |
lorcansmith | 0:2a53a4c3238c | 306 | int buf_idx = 0xffff; // index to save SPI data into destbuf |
lorcansmith | 0:2a53a4c3238c | 307 | int idx; // index to compare with net address block |
lorcansmith | 0:2a53a4c3238c | 308 | unsigned char spi_buf[ 8 ]; // temporary buffer for SPI data received |
lorcansmith | 0:2a53a4c3238c | 309 | unsigned char byte_cnt; // count of SPI data bytes received |
lorcansmith | 0:2a53a4c3238c | 310 | unsigned char spiv; // SPI value - initial slave address |
lorcansmith | 0:2a53a4c3238c | 311 | unsigned char bcc = 0; // received block check character |
lorcansmith | 0:2a53a4c3238c | 312 | unsigned char bcc_ok = false; // default to reject messages without bcc |
lorcansmith | 0:2a53a4c3238c | 313 | |
lorcansmith | 0:2a53a4c3238c | 314 | spiv = spi_slave.read(); // Read byte from master |
lorcansmith | 0:2a53a4c3238c | 315 | if ( (spiv & 0xfe) == (LPC1768 & 0xfe) ) |
lorcansmith | 0:2a53a4c3238c | 316 | { |
lorcansmith | 0:2a53a4c3238c | 317 | if ( spiv & READ_IO ) |
lorcansmith | 0:2a53a4c3238c | 318 | { |
lorcansmith | 0:2a53a4c3238c | 319 | led4 = 1; |
lorcansmith | 0:2a53a4c3238c | 320 | led3 = 0; |
lorcansmith | 0:2a53a4c3238c | 321 | if ( *srcbuf < NO_CMD ) |
lorcansmith | 2:25e12a7fe0aa | 322 | { // new data to be read by main CPU cpu |
lorcansmith | 0:2a53a4c3238c | 323 | if ( ++rd_cnt >= NUM_READ ) |
lorcansmith | 0:2a53a4c3238c | 324 | { // v0.83: clear data after 4 reads |
lorcansmith | 0:2a53a4c3238c | 325 | spi_slave.reply( NO_CMD ); // put invalid data in SPI buffer |
lorcansmith | 0:2a53a4c3238c | 326 | *srcbuf = NO_CMD; |
lorcansmith | 0:2a53a4c3238c | 327 | rd_cnt = 0; |
lorcansmith | 0:2a53a4c3238c | 328 | } |
lorcansmith | 0:2a53a4c3238c | 329 | else if ( rd_cnt >= NUM_INDX ) |
lorcansmith | 0:2a53a4c3238c | 330 | { // next put data from srcbuf in SPI buffer |
lorcansmith | 0:2a53a4c3238c | 331 | spi_slave.reply( *srcbuf ); |
lorcansmith | 0:2a53a4c3238c | 332 | } |
lorcansmith | 0:2a53a4c3238c | 333 | else // put new_cmd_idx on SPI bus first |
lorcansmith | 0:2a53a4c3238c | 334 | { |
lorcansmith | 0:2a53a4c3238c | 335 | spi_slave.reply( NO_CMD - new_cmd_idx ); // put new_cmd_idx in SPI buffer |
lorcansmith | 0:2a53a4c3238c | 336 | } |
lorcansmith | 0:2a53a4c3238c | 337 | } // end if ( *srcbuf < 0xff ) |
lorcansmith | 0:2a53a4c3238c | 338 | else |
lorcansmith | 0:2a53a4c3238c | 339 | { |
lorcansmith | 0:2a53a4c3238c | 340 | rd_cnt = 0; // re-initialise read count |
lorcansmith | 0:2a53a4c3238c | 341 | spi_slave.reply( NO_CMD ); // put invalid data in SPI buffer |
lorcansmith | 0:2a53a4c3238c | 342 | } |
lorcansmith | 0:2a53a4c3238c | 343 | } |
lorcansmith | 0:2a53a4c3238c | 344 | else // NOT READ_IO - data write |
lorcansmith | 0:2a53a4c3238c | 345 | { |
lorcansmith | 0:2a53a4c3238c | 346 | buf_idx = spi_slave.read(); // Read ms index from master |
lorcansmith | 0:2a53a4c3238c | 347 | bcc ^= buf_idx; // Start checksum calculation |
lorcansmith | 0:2a53a4c3238c | 348 | buf_idx *= 256; // Make ms index from master |
lorcansmith | 0:2a53a4c3238c | 349 | buf_idx += spi_slave.read(); // Read ls index from master |
lorcansmith | 0:2a53a4c3238c | 350 | bcc ^= (buf_idx & 0xff); |
lorcansmith | 0:2a53a4c3238c | 351 | byte_cnt = 0; |
lorcansmith | 0:2a53a4c3238c | 352 | while( spi_slave.receive() ) { |
lorcansmith | 0:2a53a4c3238c | 353 | if( byte_cnt < SPI_BYTES ) { // Read 4 data bytes |
lorcansmith | 0:2a53a4c3238c | 354 | spi_buf[ byte_cnt ] = spi_slave.read(); |
lorcansmith | 0:2a53a4c3238c | 355 | bcc ^= spi_buf[ byte_cnt++ ]; |
lorcansmith | 0:2a53a4c3238c | 356 | } |
lorcansmith | 0:2a53a4c3238c | 357 | else if ( byte_cnt == SPI_BYTES ) { |
lorcansmith | 0:2a53a4c3238c | 358 | spiv = spi_slave.read(); |
lorcansmith | 0:2a53a4c3238c | 359 | bcc_ok = ( bcc == spiv ); |
lorcansmith | 0:2a53a4c3238c | 360 | } |
lorcansmith | 0:2a53a4c3238c | 361 | } // end while ( spi_slave.receive() ) |
lorcansmith | 0:2a53a4c3238c | 362 | if ( bcc_ok && (buf_idx < MAX_RAM) ) |
lorcansmith | 0:2a53a4c3238c | 363 | { |
lorcansmith | 0:2a53a4c3238c | 364 | for( byte_cnt = 0; byte_cnt < SPI_BYTES; byte_cnt++ ) |
lorcansmith | 0:2a53a4c3238c | 365 | { |
lorcansmith | 0:2a53a4c3238c | 366 | idx = buf_idx + byte_cnt; |
lorcansmith | 2:25e12a7fe0aa | 367 | if ( idx <= MAX_IO_REG_BYTE ) |
lorcansmith | 2:25e12a7fe0aa | 368 | { // check for IO changed from last saved |
lorcansmith | 2:25e12a7fe0aa | 369 | if ( (spi_buf[ byte_cnt ] != fsvr.get_byte( idx )) && !byte_changed ) |
lorcansmith | 2:25e12a7fe0aa | 370 | { |
lorcansmith | 2:25e12a7fe0aa | 371 | if ( mask4_IO_registers & (1 << (idx/2)) ) |
lorcansmith | 0:2a53a4c3238c | 372 | { // masked-in register has changed |
lorcansmith | 0:2a53a4c3238c | 373 | byte_changed = true; |
lorcansmith | 0:2a53a4c3238c | 374 | } |
lorcansmith | 0:2a53a4c3238c | 375 | } |
lorcansmith | 0:2a53a4c3238c | 376 | if ( idx == MAX_IO_REG_BYTE ) |
lorcansmith | 0:2a53a4c3238c | 377 | { // after each I/O scan |
lorcansmith | 0:2a53a4c3238c | 378 | all_IO_updated = true; |
lorcansmith | 0:2a53a4c3238c | 379 | spi_count = fsvr.get_SPI_count(); // save last SPI_count value |
lorcansmith | 0:2a53a4c3238c | 380 | } |
lorcansmith | 0:2a53a4c3238c | 381 | } |
lorcansmith | 0:2a53a4c3238c | 382 | else if ( idx == NET_ADDRESS_CHANGE ) |
lorcansmith | 2:25e12a7fe0aa | 383 | { // v0.93: check for net address update from main CPU CPU |
lorcansmith | 0:2a53a4c3238c | 384 | if ( spi_buf[ byte_cnt ] == NO_UPDATE ) |
lorcansmith | 0:2a53a4c3238c | 385 | { |
lorcansmith | 0:2a53a4c3238c | 386 | net_addrs_chng = NO_UPDATE; |
lorcansmith | 0:2a53a4c3238c | 387 | } |
lorcansmith | 0:2a53a4c3238c | 388 | else if ( net_addrs_chng != UPDATED ) |
lorcansmith | 0:2a53a4c3238c | 389 | { |
lorcansmith | 0:2a53a4c3238c | 390 | net_addrs_chng = spi_buf[ byte_cnt ]; |
lorcansmith | 0:2a53a4c3238c | 391 | } |
lorcansmith | 0:2a53a4c3238c | 392 | } |
lorcansmith | 0:2a53a4c3238c | 393 | fsvr.put_byte( idx, spi_buf[ byte_cnt ] ); // save byte read from SPI |
lorcansmith | 0:2a53a4c3238c | 394 | } |
lorcansmith | 0:2a53a4c3238c | 395 | led3 = 0; |
lorcansmith | 0:2a53a4c3238c | 396 | } |
lorcansmith | 0:2a53a4c3238c | 397 | else // checksum failed |
lorcansmith | 0:2a53a4c3238c | 398 | { |
lorcansmith | 0:2a53a4c3238c | 399 | led3 = 1; |
lorcansmith | 0:2a53a4c3238c | 400 | } |
lorcansmith | 0:2a53a4c3238c | 401 | led4 = 0; |
lorcansmith | 0:2a53a4c3238c | 402 | } // end else not READ_IO |
lorcansmith | 0:2a53a4c3238c | 403 | } // end if ( (spiv & 0xfe) == (LPC1768 & 0xfe) ) |
lorcansmith | 0:2a53a4c3238c | 404 | return buf_idx; |
lorcansmith | 0:2a53a4c3238c | 405 | } |
lorcansmith | 0:2a53a4c3238c | 406 | |
lorcansmith | 0:2a53a4c3238c | 407 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 408 | /* chk_SPI_active: |
lorcansmith | 0:2a53a4c3238c | 409 | * Description: checks spi_count has been updated in SPI interrupt |
lorcansmith | 0:2a53a4c3238c | 410 | * to be called by timer, independently of SPI interrupt |
lorcansmith | 0:2a53a4c3238c | 411 | * Globals used: spi_active, spi_count |
lorcansmith | 0:2a53a4c3238c | 412 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 413 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 414 | */ |
lorcansmith | 0:2a53a4c3238c | 415 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 416 | void chk_SPI_active( void ) |
lorcansmith | 0:2a53a4c3238c | 417 | { |
lorcansmith | 0:2a53a4c3238c | 418 | if ( spi_count == INV_SPI_CNT ) |
lorcansmith | 0:2a53a4c3238c | 419 | { |
lorcansmith | 0:2a53a4c3238c | 420 | spi_active = false; // flag SPI failure |
lorcansmith | 0:2a53a4c3238c | 421 | } |
lorcansmith | 0:2a53a4c3238c | 422 | else |
lorcansmith | 0:2a53a4c3238c | 423 | { |
lorcansmith | 0:2a53a4c3238c | 424 | spi_count = INV_SPI_CNT; // set to be overwritten by next SPI update |
lorcansmith | 0:2a53a4c3238c | 425 | spi_active = true; // SPI updated OK |
lorcansmith | 0:2a53a4c3238c | 426 | } |
lorcansmith | 0:2a53a4c3238c | 427 | } |
lorcansmith | 0:2a53a4c3238c | 428 | |
lorcansmith | 0:2a53a4c3238c | 429 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 430 | /* get_hex_mask: |
lorcansmith | 2:25e12a7fe0aa | 431 | * Description: converts long mask4_IO_registers to hexadecimal string |
lorcansmith | 2:25e12a7fe0aa | 432 | * Globals used: mask4_IO_registers, hex_mask |
lorcansmith | 2:25e12a7fe0aa | 433 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 434 | * Returns: pointer to hex_mask |
lorcansmith | 0:2a53a4c3238c | 435 | */ |
lorcansmith | 0:2a53a4c3238c | 436 | /****************************************************************************/ |
lorcansmith | 2:25e12a7fe0aa | 437 | char * get_hex_mask( void ) |
lorcansmith | 0:2a53a4c3238c | 438 | { |
lorcansmith | 0:2a53a4c3238c | 439 | unsigned char i; |
lorcansmith | 0:2a53a4c3238c | 440 | for ( i = 0; i < 12; i++ ) |
lorcansmith | 0:2a53a4c3238c | 441 | { |
lorcansmith | 0:2a53a4c3238c | 442 | hex_mask[ i ] = 0; |
lorcansmith | 0:2a53a4c3238c | 443 | } |
lorcansmith | 2:25e12a7fe0aa | 444 | sprintf(hex_mask, "%08x", mask4_IO_registers); |
lorcansmith | 0:2a53a4c3238c | 445 | return hex_mask; |
lorcansmith | 0:2a53a4c3238c | 446 | } |
lorcansmith | 0:2a53a4c3238c | 447 | |
lorcansmith | 0:2a53a4c3238c | 448 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 449 | /* convert2decimal: |
lorcansmith | 0:2a53a4c3238c | 450 | * Description: converts hexadecimal string to long mask4_IO_registers |
lorcansmith | 2:25e12a7fe0aa | 451 | * Globals used: mask4_IO_registers |
lorcansmith | 0:2a53a4c3238c | 452 | * Parameters: u8_t * uc_ptr: pointer to hex-formatted mask string |
lorcansmith | 0:2a53a4c3238c | 453 | * u16_t len: length of string |
lorcansmith | 2:25e12a7fe0aa | 454 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 455 | */ |
lorcansmith | 0:2a53a4c3238c | 456 | /****************************************************************************/ |
lorcansmith | 2:25e12a7fe0aa | 457 | void convert2decimal( u8_t * uc_ptr, u16_t len ) |
lorcansmith | 0:2a53a4c3238c | 458 | { |
lorcansmith | 0:2a53a4c3238c | 459 | char ch, i; |
lorcansmith | 0:2a53a4c3238c | 460 | unsigned long temp_sum = 0; |
lorcansmith | 0:2a53a4c3238c | 461 | |
lorcansmith | 0:2a53a4c3238c | 462 | for ( i = 0; i < len; i++ ) |
lorcansmith | 0:2a53a4c3238c | 463 | { |
lorcansmith | 0:2a53a4c3238c | 464 | ch = (char)*(uc_ptr + i); |
lorcansmith | 0:2a53a4c3238c | 465 | if ( islower( ch ) ) |
lorcansmith | 0:2a53a4c3238c | 466 | { |
lorcansmith | 0:2a53a4c3238c | 467 | ch = ch - 'a' + 10; |
lorcansmith | 0:2a53a4c3238c | 468 | } |
lorcansmith | 0:2a53a4c3238c | 469 | else if ( isupper( ch ) ) |
lorcansmith | 0:2a53a4c3238c | 470 | { |
lorcansmith | 0:2a53a4c3238c | 471 | ch = ch - 'A' + 10; |
lorcansmith | 0:2a53a4c3238c | 472 | } |
lorcansmith | 0:2a53a4c3238c | 473 | else if ( isdigit( ch ) ) |
lorcansmith | 0:2a53a4c3238c | 474 | { |
lorcansmith | 0:2a53a4c3238c | 475 | ch = ch - '0'; |
lorcansmith | 0:2a53a4c3238c | 476 | } |
lorcansmith | 0:2a53a4c3238c | 477 | else |
lorcansmith | 0:2a53a4c3238c | 478 | { |
lorcansmith | 0:2a53a4c3238c | 479 | temp_sum = 0xfffffff; |
lorcansmith | 0:2a53a4c3238c | 480 | ch = 15; |
lorcansmith | 0:2a53a4c3238c | 481 | i = len; // end on error; |
lorcansmith | 0:2a53a4c3238c | 482 | } |
lorcansmith | 0:2a53a4c3238c | 483 | temp_sum = 16 * temp_sum + ch; |
lorcansmith | 0:2a53a4c3238c | 484 | } |
lorcansmith | 2:25e12a7fe0aa | 485 | mask4_IO_registers = temp_sum; |
lorcansmith | 0:2a53a4c3238c | 486 | } |
lorcansmith | 0:2a53a4c3238c | 487 | |
lorcansmith | 0:2a53a4c3238c | 488 | void send_ram( void ) |
lorcansmith | 0:2a53a4c3238c | 489 | { |
lorcansmith | 0:2a53a4c3238c | 490 | static int idx; |
lorcansmith | 0:2a53a4c3238c | 491 | char i; |
lorcansmith | 0:2a53a4c3238c | 492 | |
lorcansmith | 0:2a53a4c3238c | 493 | if ( (idx & 0x7ff) == 0 ) |
lorcansmith | 0:2a53a4c3238c | 494 | { |
lorcansmith | 0:2a53a4c3238c | 495 | pc.printf("CMD data %x", idx ); |
lorcansmith | 0:2a53a4c3238c | 496 | for ( i = 0; i < MAX_CMD; i++ ) |
lorcansmith | 0:2a53a4c3238c | 497 | { |
lorcansmith | 0:2a53a4c3238c | 498 | pc.printf(", %x", cmd_buf[ i ] ); |
lorcansmith | 0:2a53a4c3238c | 499 | } |
lorcansmith | 0:2a53a4c3238c | 500 | pc.printf( "\r\n" ); |
lorcansmith | 0:2a53a4c3238c | 501 | pc.printf("RAM data %x", idx & 0x7ff ); |
lorcansmith | 0:2a53a4c3238c | 502 | for ( i = 0; i < 8; i++ ) |
lorcansmith | 0:2a53a4c3238c | 503 | { |
lorcansmith | 0:2a53a4c3238c | 504 | pc.printf(", %x", fsvr.get_byte(idx++ & 0x7ff) ); |
lorcansmith | 0:2a53a4c3238c | 505 | } |
lorcansmith | 0:2a53a4c3238c | 506 | pc.printf( "\r\n" ); |
lorcansmith | 0:2a53a4c3238c | 507 | } |
lorcansmith | 0:2a53a4c3238c | 508 | else |
lorcansmith | 0:2a53a4c3238c | 509 | { |
lorcansmith | 0:2a53a4c3238c | 510 | pc.printf("RAM data %x", idx & 0x7ff ); |
lorcansmith | 0:2a53a4c3238c | 511 | for ( i = 0; i < 8; i++ ) |
lorcansmith | 0:2a53a4c3238c | 512 | { |
lorcansmith | 0:2a53a4c3238c | 513 | pc.printf(", %x", fsvr.get_byte(idx++ & 0x7ff) ); |
lorcansmith | 0:2a53a4c3238c | 514 | } |
lorcansmith | 0:2a53a4c3238c | 515 | pc.printf( "\r\n" ); |
lorcansmith | 0:2a53a4c3238c | 516 | } |
lorcansmith | 0:2a53a4c3238c | 517 | } |
lorcansmith | 0:2a53a4c3238c | 518 | |
lorcansmith | 0:2a53a4c3238c | 519 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 520 | /* write_addrs_to_file: |
lorcansmith | 0:2a53a4c3238c | 521 | * Description: Writes net addresses to /webfs/net_adrs.txt |
lorcansmith | 0:2a53a4c3238c | 522 | * Globals used: NET_ADRS_FILE |
lorcansmith | 0:2a53a4c3238c | 523 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 524 | * Returns: 0 if OK, 1 if failed to open files |
lorcansmith | 0:2a53a4c3238c | 525 | */ |
lorcansmith | 0:2a53a4c3238c | 526 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 527 | int write_addrs_to_file() |
lorcansmith | 0:2a53a4c3238c | 528 | { |
lorcansmith | 0:2a53a4c3238c | 529 | FILE *fp = fopen( NET_ADRS_FILE, "w" ); |
lorcansmith | 0:2a53a4c3238c | 530 | if(!fp) { |
lorcansmith | 0:2a53a4c3238c | 531 | fprintf(stderr, "\r\nFile /webfs/net_adrs.txt could not be opened to write!\r\n"); |
lorcansmith | 0:2a53a4c3238c | 532 | exit(1); |
lorcansmith | 0:2a53a4c3238c | 533 | } |
lorcansmith | 0:2a53a4c3238c | 534 | else // file opened OK, so save addresses |
lorcansmith | 0:2a53a4c3238c | 535 | { |
lorcansmith | 0:2a53a4c3238c | 536 | fprintf(fp, "IP address %u.%u.%u.%u \r\n", ip_ad[0],ip_ad[1],ip_ad[2],ip_ad[3]); |
lorcansmith | 0:2a53a4c3238c | 537 | fprintf(fp, "Address mask %u.%u.%u.%u \r\n", msk_ad[0],msk_ad[1],msk_ad[2],msk_ad[3]); |
lorcansmith | 0:2a53a4c3238c | 538 | fprintf(fp, "Gwy address %u.%u.%u.%u \r\n", gwy_ad[0],gwy_ad[1],gwy_ad[2],gwy_ad[3]); |
lorcansmith | 0:2a53a4c3238c | 539 | fprintf(fp, "DNS address %u.%u.%u.%u \r\n", dns_ad[0],dns_ad[1],dns_ad[2],dns_ad[3]); |
lorcansmith | 0:2a53a4c3238c | 540 | fprintf(fp, "%s\r\n", snmp_publiccommunity ); // v0.98: save community string |
lorcansmith | 0:2a53a4c3238c | 541 | fprintf(fp, "Trap host address %u.%u.%u.%u \r\n", th_ad[0],th_ad[1],th_ad[2],th_ad[3]); |
lorcansmith | 0:2a53a4c3238c | 542 | fprintf(fp, "%u \r\n", mask4_IO_registers ); |
lorcansmith | 0:2a53a4c3238c | 543 | fclose(fp); |
lorcansmith | 0:2a53a4c3238c | 544 | } // file opened OK |
lorcansmith | 0:2a53a4c3238c | 545 | return 0; |
lorcansmith | 0:2a53a4c3238c | 546 | } |
lorcansmith | 0:2a53a4c3238c | 547 | |
lorcansmith | 0:2a53a4c3238c | 548 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 549 | /* copy_trap_host_address: v0.99 |
lorcansmith | 0:2a53a4c3238c | 550 | * Description: Copies src array to th_ad |
lorcansmith | 0:2a53a4c3238c | 551 | * Globals used: th_ad |
lorcansmith | 0:2a53a4c3238c | 552 | * net_addrs_chng set to UPDATED |
lorcansmith | 0:2a53a4c3238c | 553 | * Parameters: IN: unsigned char * src - source array of 4 bytes |
lorcansmith | 0:2a53a4c3238c | 554 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 555 | */ |
lorcansmith | 0:2a53a4c3238c | 556 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 557 | void copy_trap_host_address( unsigned char * src ) |
lorcansmith | 0:2a53a4c3238c | 558 | { |
lorcansmith | 0:2a53a4c3238c | 559 | unsigned char i; |
lorcansmith | 0:2a53a4c3238c | 560 | for ( i = 0; i < 4; i++ ) |
lorcansmith | 0:2a53a4c3238c | 561 | { |
lorcansmith | 0:2a53a4c3238c | 562 | if ( src[ i ] != 0 ) |
lorcansmith | 0:2a53a4c3238c | 563 | { |
lorcansmith | 0:2a53a4c3238c | 564 | { |
lorcansmith | 0:2a53a4c3238c | 565 | th_ad[ i ] = src[ i ]; |
lorcansmith | 0:2a53a4c3238c | 566 | } |
lorcansmith | 0:2a53a4c3238c | 567 | } |
lorcansmith | 0:2a53a4c3238c | 568 | } |
lorcansmith | 0:2a53a4c3238c | 569 | net_addrs_chng = UPDATED; |
lorcansmith | 0:2a53a4c3238c | 570 | } |
lorcansmith | 0:2a53a4c3238c | 571 | |
lorcansmith | 0:2a53a4c3238c | 572 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 573 | /* copy_net_addresses_from: v0.93 |
lorcansmith | 0:2a53a4c3238c | 574 | * Description: Copies src array to ip_ad, msk_ad, gwy_ad, dns_ad |
lorcansmith | 0:2a53a4c3238c | 575 | * Globals used: ip_ad, msk_ad, gwy_ad, dns_ad |
lorcansmith | 0:2a53a4c3238c | 576 | * Parameters: IN: unsigned char * src - source array of 16 bytes |
lorcansmith | 0:2a53a4c3238c | 577 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 578 | */ |
lorcansmith | 0:2a53a4c3238c | 579 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 580 | void copy_net_addresses_from( unsigned char * src ) |
lorcansmith | 0:2a53a4c3238c | 581 | { |
lorcansmith | 0:2a53a4c3238c | 582 | unsigned char i; |
lorcansmith | 0:2a53a4c3238c | 583 | for ( i = 0; i < 4; i++ ) |
lorcansmith | 0:2a53a4c3238c | 584 | { |
lorcansmith | 0:2a53a4c3238c | 585 | if ( src[ i ] != 0 ) |
lorcansmith | 0:2a53a4c3238c | 586 | { |
lorcansmith | 0:2a53a4c3238c | 587 | ip_ad[ i ] = src[ i ]; |
lorcansmith | 0:2a53a4c3238c | 588 | } |
lorcansmith | 0:2a53a4c3238c | 589 | } |
lorcansmith | 0:2a53a4c3238c | 590 | for ( i = 4; i < 8; i++ ) |
lorcansmith | 0:2a53a4c3238c | 591 | { |
lorcansmith | 0:2a53a4c3238c | 592 | if ( src[ i ] != 0 ) |
lorcansmith | 0:2a53a4c3238c | 593 | { |
lorcansmith | 0:2a53a4c3238c | 594 | msk_ad[ i-4 ] = src[ i ]; |
lorcansmith | 0:2a53a4c3238c | 595 | } |
lorcansmith | 0:2a53a4c3238c | 596 | } |
lorcansmith | 0:2a53a4c3238c | 597 | for ( i = 8; i < 12; i++ ) |
lorcansmith | 0:2a53a4c3238c | 598 | { |
lorcansmith | 0:2a53a4c3238c | 599 | if ( src[ i ] != 0 ) |
lorcansmith | 0:2a53a4c3238c | 600 | { |
lorcansmith | 0:2a53a4c3238c | 601 | gwy_ad[ i-8 ] = src[ i ]; |
lorcansmith | 0:2a53a4c3238c | 602 | } |
lorcansmith | 0:2a53a4c3238c | 603 | } |
lorcansmith | 0:2a53a4c3238c | 604 | for ( i = 12; i < 16; i++ ) |
lorcansmith | 0:2a53a4c3238c | 605 | { |
lorcansmith | 0:2a53a4c3238c | 606 | if ( src[ i ] != 0 ) |
lorcansmith | 0:2a53a4c3238c | 607 | { |
lorcansmith | 0:2a53a4c3238c | 608 | dns_ad[ i-12 ] = src[ i ]; |
lorcansmith | 0:2a53a4c3238c | 609 | } |
lorcansmith | 0:2a53a4c3238c | 610 | } |
lorcansmith | 0:2a53a4c3238c | 611 | } |
lorcansmith | 0:2a53a4c3238c | 612 | |
lorcansmith | 0:2a53a4c3238c | 613 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 614 | /* parse4numbers: |
lorcansmith | 0:2a53a4c3238c | 615 | * Description: Reads file fr and separates out max_num numbers delimited by |
lorcansmith | 0:2a53a4c3238c | 616 | * any non-digit characters |
lorcansmith | 0:2a53a4c3238c | 617 | * Globals used: |
lorcansmith | 0:2a53a4c3238c | 618 | * Parameters: IN: FILE *fr - file to read |
lorcansmith | 0:2a53a4c3238c | 619 | * OUT: unsigned char * numb - array of numbers read |
lorcansmith | 0:2a53a4c3238c | 620 | * IN: unsigned char max_num - number of numbers to read |
lorcansmith | 0:2a53a4c3238c | 621 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 622 | */ |
lorcansmith | 0:2a53a4c3238c | 623 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 624 | void parse4numbers( FILE *fr, unsigned char * numb, unsigned char max_num ) |
lorcansmith | 0:2a53a4c3238c | 625 | { |
lorcansmith | 0:2a53a4c3238c | 626 | int c, i, new_num; |
lorcansmith | 0:2a53a4c3238c | 627 | char digit_found = false; |
lorcansmith | 0:2a53a4c3238c | 628 | char number_completed = false; |
lorcansmith | 0:2a53a4c3238c | 629 | |
lorcansmith | 0:2a53a4c3238c | 630 | i = new_num = 0; |
lorcansmith | 0:2a53a4c3238c | 631 | while ( ((c = fgetc(fr)) != EOF) && (i < max_num) ) |
lorcansmith | 0:2a53a4c3238c | 632 | { |
lorcansmith | 0:2a53a4c3238c | 633 | numb[ i ] = 0; |
lorcansmith | 0:2a53a4c3238c | 634 | if ( c < '0' || c > '9' ) |
lorcansmith | 0:2a53a4c3238c | 635 | { // not a numeric character |
lorcansmith | 0:2a53a4c3238c | 636 | if ( digit_found ) |
lorcansmith | 0:2a53a4c3238c | 637 | { |
lorcansmith | 0:2a53a4c3238c | 638 | number_completed = true; |
lorcansmith | 0:2a53a4c3238c | 639 | if ( i >= (max_num - 1) ) |
lorcansmith | 0:2a53a4c3238c | 640 | { // max_num distinct numbers read |
lorcansmith | 0:2a53a4c3238c | 641 | break; |
lorcansmith | 0:2a53a4c3238c | 642 | } |
lorcansmith | 0:2a53a4c3238c | 643 | } |
lorcansmith | 0:2a53a4c3238c | 644 | } |
lorcansmith | 0:2a53a4c3238c | 645 | else // numeric character |
lorcansmith | 0:2a53a4c3238c | 646 | { |
lorcansmith | 0:2a53a4c3238c | 647 | digit_found = true; |
lorcansmith | 0:2a53a4c3238c | 648 | if ( number_completed ) |
lorcansmith | 0:2a53a4c3238c | 649 | { // save number into array |
lorcansmith | 0:2a53a4c3238c | 650 | numb[ i++ ] = new_num & 0xff; |
lorcansmith | 0:2a53a4c3238c | 651 | new_num = 0; |
lorcansmith | 0:2a53a4c3238c | 652 | } |
lorcansmith | 0:2a53a4c3238c | 653 | new_num = 10*new_num + c - '0'; |
lorcansmith | 0:2a53a4c3238c | 654 | number_completed = false; |
lorcansmith | 0:2a53a4c3238c | 655 | } // else numeric character |
lorcansmith | 0:2a53a4c3238c | 656 | } // end while |
lorcansmith | 0:2a53a4c3238c | 657 | if ( (number_completed || (c == EOF)) && (i < max_num) ) |
lorcansmith | 0:2a53a4c3238c | 658 | { // 0.80: save last number read |
lorcansmith | 0:2a53a4c3238c | 659 | numb[ i++ ] = new_num & 0xff; |
lorcansmith | 0:2a53a4c3238c | 660 | } |
lorcansmith | 0:2a53a4c3238c | 661 | } |
lorcansmith | 0:2a53a4c3238c | 662 | |
lorcansmith | 0:2a53a4c3238c | 663 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 664 | /* read_addrs_from_file: |
lorcansmith | 0:2a53a4c3238c | 665 | * Description: Reads data from /webfs/net_adrs.txt |
lorcansmith | 0:2a53a4c3238c | 666 | * Globals used: NET_ADRS_FILE |
lorcansmith | 0:2a53a4c3238c | 667 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 668 | * Returns: 0 if OK, 1 if failed to open files |
lorcansmith | 0:2a53a4c3238c | 669 | */ |
lorcansmith | 0:2a53a4c3238c | 670 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 671 | int read_addrs_from_file() |
lorcansmith | 0:2a53a4c3238c | 672 | { |
lorcansmith | 0:2a53a4c3238c | 673 | int c, i; |
lorcansmith | 0:2a53a4c3238c | 674 | unsigned char numbers[17]; |
lorcansmith | 0:2a53a4c3238c | 675 | char community[ MAX_COMMUNITY ]; |
lorcansmith | 0:2a53a4c3238c | 676 | |
lorcansmith | 0:2a53a4c3238c | 677 | for ( i = 0; i < MAX_COMMUNITY; i++ ) |
lorcansmith | 0:2a53a4c3238c | 678 | { |
lorcansmith | 0:2a53a4c3238c | 679 | community[ i ] = 0; |
lorcansmith | 0:2a53a4c3238c | 680 | } |
lorcansmith | 0:2a53a4c3238c | 681 | FILE *fr = fopen( NET_ADRS_FILE, "r" ); |
lorcansmith | 0:2a53a4c3238c | 682 | if(!fr) { |
lorcansmith | 0:2a53a4c3238c | 683 | fprintf(stderr, "\r\nFile /webfs/net_adrs.txt could not be opened!\r\n"); |
lorcansmith | 0:2a53a4c3238c | 684 | exit(1); |
lorcansmith | 0:2a53a4c3238c | 685 | } |
lorcansmith | 0:2a53a4c3238c | 686 | else // file opened OK |
lorcansmith | 0:2a53a4c3238c | 687 | { |
lorcansmith | 0:2a53a4c3238c | 688 | parse4numbers( fr, numbers, 16 ); |
lorcansmith | 0:2a53a4c3238c | 689 | copy_net_addresses_from( numbers ); // v0.93: new subroutine |
lorcansmith | 0:2a53a4c3238c | 690 | /* v0.98: now read the community string from the file after reading end of line */ |
lorcansmith | 0:2a53a4c3238c | 691 | while ( ((c = fgetc(fr)) != EOF) && ((c == ' ') || (c == '\r') || (c == '\n')) ); |
lorcansmith | 0:2a53a4c3238c | 692 | i = 0; |
lorcansmith | 0:2a53a4c3238c | 693 | do |
lorcansmith | 0:2a53a4c3238c | 694 | { |
lorcansmith | 0:2a53a4c3238c | 695 | c = (char)c; |
lorcansmith | 0:2a53a4c3238c | 696 | if ( (c != ' ') && (c != '\r') && (c != '\n') && (i < MAX_COMMUNITY-1) ) |
lorcansmith | 0:2a53a4c3238c | 697 | { |
lorcansmith | 0:2a53a4c3238c | 698 | community[ i++ ] = c; |
lorcansmith | 0:2a53a4c3238c | 699 | } |
lorcansmith | 0:2a53a4c3238c | 700 | else // string terminated |
lorcansmith | 0:2a53a4c3238c | 701 | { |
lorcansmith | 0:2a53a4c3238c | 702 | break; |
lorcansmith | 0:2a53a4c3238c | 703 | } |
lorcansmith | 0:2a53a4c3238c | 704 | } while ( ((c = fgetc(fr)) != EOF) && (c != 0) ); |
lorcansmith | 0:2a53a4c3238c | 705 | parse4numbers( fr, numbers, 4 ); // now read in Trap host address |
lorcansmith | 0:2a53a4c3238c | 706 | copy_trap_host_address( numbers ); |
lorcansmith | 0:2a53a4c3238c | 707 | fscanf( fr, "%lu", &mask4_IO_registers ); |
lorcansmith | 0:2a53a4c3238c | 708 | fclose(fr); |
lorcansmith | 0:2a53a4c3238c | 709 | } // file opened OK |
lorcansmith | 2:25e12a7fe0aa | 710 | if ( strlen(community) > 3 ) |
lorcansmith | 0:2a53a4c3238c | 711 | { // string length 4 to 20 characters |
lorcansmith | 0:2a53a4c3238c | 712 | strcpy( snmp_publiccommunity, community ); |
lorcansmith | 0:2a53a4c3238c | 713 | pc.printf("community: %s %d \r\n", snmp_publiccommunity, strlen(snmp_publiccommunity) ); |
lorcansmith | 0:2a53a4c3238c | 714 | } |
lorcansmith | 0:2a53a4c3238c | 715 | else |
lorcansmith | 0:2a53a4c3238c | 716 | { |
lorcansmith | 0:2a53a4c3238c | 717 | pc.printf("community too short: %s %d \r\n", community, strlen(community) ); |
lorcansmith | 0:2a53a4c3238c | 718 | } |
lorcansmith | 0:2a53a4c3238c | 719 | return 0; |
lorcansmith | 0:2a53a4c3238c | 720 | } |
lorcansmith | 0:2a53a4c3238c | 721 | |
lorcansmith | 0:2a53a4c3238c | 722 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 723 | /* blinker: |
lorcansmith | 0:2a53a4c3238c | 724 | * Description: Blinks led_link for 10 calls |
lorcansmith | 0:2a53a4c3238c | 725 | * Globals used: led_link, blink_led, |
lorcansmith | 0:2a53a4c3238c | 726 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 727 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 728 | */ |
lorcansmith | 0:2a53a4c3238c | 729 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 730 | void blinker( void ) |
lorcansmith | 0:2a53a4c3238c | 731 | { |
lorcansmith | 0:2a53a4c3238c | 732 | static unsigned char blink_cnt; |
lorcansmith | 0:2a53a4c3238c | 733 | |
lorcansmith | 0:2a53a4c3238c | 734 | if ( blink_led && blink_cnt++ < 10 ) |
lorcansmith | 0:2a53a4c3238c | 735 | { |
lorcansmith | 0:2a53a4c3238c | 736 | led_link = !led_link; |
lorcansmith | 0:2a53a4c3238c | 737 | } |
lorcansmith | 0:2a53a4c3238c | 738 | else |
lorcansmith | 0:2a53a4c3238c | 739 | { |
lorcansmith | 0:2a53a4c3238c | 740 | blink_cnt = 0; |
lorcansmith | 0:2a53a4c3238c | 741 | blink_led = false; |
lorcansmith | 0:2a53a4c3238c | 742 | } |
lorcansmith | 0:2a53a4c3238c | 743 | } |
lorcansmith | 0:2a53a4c3238c | 744 | |
lorcansmith | 0:2a53a4c3238c | 745 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 746 | /* init_traps: |
lorcansmith | 0:2a53a4c3238c | 747 | * Description: initialises trap flags and sends cold start trap when done |
lorcansmith | 2:25e12a7fe0aa | 748 | * Globals used: trap_init set true after cold start |
lorcansmith | 0:2a53a4c3238c | 749 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 750 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 751 | */ |
lorcansmith | 0:2a53a4c3238c | 752 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 753 | void init_traps( void ) |
lorcansmith | 0:2a53a4c3238c | 754 | { |
lorcansmith | 0:2a53a4c3238c | 755 | snmp_coldstart_trap(); |
lorcansmith | 0:2a53a4c3238c | 756 | trap_init = true; |
lorcansmith | 0:2a53a4c3238c | 757 | } |
lorcansmith | 0:2a53a4c3238c | 758 | |
lorcansmith | 0:2a53a4c3238c | 759 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 760 | /* check_all_traps: |
lorcansmith | 0:2a53a4c3238c | 761 | * Description: test states for all trap events and sends appropriate trap |
lorcansmith | 2:25e12a7fe0aa | 762 | * Globals used: led2: set to ON if SPI not active |
lorcansmith | 0:2a53a4c3238c | 763 | * byte_changed, all_IO_updated, spi_active |
lorcansmith | 0:2a53a4c3238c | 764 | * Parameters: NONE |
lorcansmith | 0:2a53a4c3238c | 765 | * Returns: NONE |
lorcansmith | 0:2a53a4c3238c | 766 | */ |
lorcansmith | 0:2a53a4c3238c | 767 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 768 | void check_all_traps( void ) |
lorcansmith | 0:2a53a4c3238c | 769 | { |
lorcansmith | 0:2a53a4c3238c | 770 | if ( !led1 && (fsvr.get_byte( H_H_LINK_LSBYTE ) || fsvr.get_byte( H_H_LINK_MSBYTE )) ) |
lorcansmith | 0:2a53a4c3238c | 771 | { // change of link state |
lorcansmith | 0:2a53a4c3238c | 772 | led1 = 1; // flag: link is up when led1 on |
lorcansmith | 0:2a53a4c3238c | 773 | snmp_linkup_trap(); |
lorcansmith | 0:2a53a4c3238c | 774 | } |
lorcansmith | 0:2a53a4c3238c | 775 | else if ( (fsvr.get_byte( H_H_LINK_LSBYTE ) == 0) && (fsvr.get_byte( H_H_LINK_MSBYTE ) == 0) && led1 ) |
lorcansmith | 0:2a53a4c3238c | 776 | { // change of link state |
lorcansmith | 0:2a53a4c3238c | 777 | led1 = 0; |
lorcansmith | 0:2a53a4c3238c | 778 | snmp_linkdown_trap(); |
lorcansmith | 0:2a53a4c3238c | 779 | } |
lorcansmith | 2:25e12a7fe0aa | 780 | if ( byte_changed && all_IO_updated ) |
lorcansmith | 0:2a53a4c3238c | 781 | { // any masked-in I/O register changed |
lorcansmith | 0:2a53a4c3238c | 782 | f3kIOchange_trap(); |
lorcansmith | 0:2a53a4c3238c | 783 | all_IO_updated = byte_changed = false; |
lorcansmith | 0:2a53a4c3238c | 784 | } |
lorcansmith | 0:2a53a4c3238c | 785 | if ( spi_active && led2 ) |
lorcansmith | 0:2a53a4c3238c | 786 | { |
lorcansmith | 0:2a53a4c3238c | 787 | led2 = 0; // flag: SPI is up when led2 off |
lorcansmith | 0:2a53a4c3238c | 788 | snmp_SPIup_trap(); |
lorcansmith | 0:2a53a4c3238c | 789 | } |
lorcansmith | 0:2a53a4c3238c | 790 | else if ( !spi_active && !led2 ) |
lorcansmith | 0:2a53a4c3238c | 791 | { |
lorcansmith | 0:2a53a4c3238c | 792 | led2 = 1; // flag: SPI is down when led2 on |
lorcansmith | 0:2a53a4c3238c | 793 | snmp_SPIdown_trap(); |
lorcansmith | 2:25e12a7fe0aa | 794 | } |
lorcansmith | 0:2a53a4c3238c | 795 | } |
lorcansmith | 0:2a53a4c3238c | 796 | |
lorcansmith | 0:2a53a4c3238c | 797 | |
lorcansmith | 0:2a53a4c3238c | 798 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 799 | /****************************************************************************/ |
lorcansmith | 0:2a53a4c3238c | 800 | int main() { |
lorcansmith | 0:2a53a4c3238c | 801 | int idx; |
lorcansmith | 0:2a53a4c3238c | 802 | |
lorcansmith | 0:2a53a4c3238c | 803 | new_cmd_idx = 0xaa; |
lorcansmith | 0:2a53a4c3238c | 804 | for ( idx = 0; idx < MAX_CMD; idx++ ) |
lorcansmith | 0:2a53a4c3238c | 805 | { // put meaningful non-valid data in cmd_buf |
lorcansmith | 0:2a53a4c3238c | 806 | cmd_buf[ idx ] = new_cmd_idx; |
lorcansmith | 0:2a53a4c3238c | 807 | } |
lorcansmith | 0:2a53a4c3238c | 808 | pc.printf("=================== Version %s ====================\r\n", snmp_fw_version); |
lorcansmith | 0:2a53a4c3238c | 809 | // pc.printf("Press any key to start...\r\n"); |
lorcansmith | 0:2a53a4c3238c | 810 | led3 = 1; |
lorcansmith | 0:2a53a4c3238c | 811 | |
lorcansmith | 2:25e12a7fe0aa | 812 | FSHandler::mount("/webfs", "/files"); //Mount /webfs path on /files web path |
lorcansmith | 2:25e12a7fe0aa | 813 | FSHandler::mount("/webfs", "/"); //Mount /webfs path on web root path |
lorcansmith | 0:2a53a4c3238c | 814 | read_addrs_from_file(); |
lorcansmith | 0:2a53a4c3238c | 815 | |
lorcansmith | 0:2a53a4c3238c | 816 | /* Force fixed Ethernet address */ |
lorcansmith | 0:2a53a4c3238c | 817 | EthernetNetIf eth( |
lorcansmith | 0:2a53a4c3238c | 818 | IpAddr( ip_ad[0], ip_ad[1], ip_ad[2], ip_ad[3] ), //IP Address |
lorcansmith | 0:2a53a4c3238c | 819 | IpAddr( msk_ad[0], msk_ad[1], msk_ad[2], msk_ad[3] ), //Network Mask |
lorcansmith | 0:2a53a4c3238c | 820 | IpAddr( gwy_ad[0], gwy_ad[1], gwy_ad[2], gwy_ad[3] ), //Gateway |
lorcansmith | 0:2a53a4c3238c | 821 | IpAddr( dns_ad[0], dns_ad[1], dns_ad[2], dns_ad[3] ) //DNS Server |
lorcansmith | 0:2a53a4c3238c | 822 | ); |
lorcansmith | 0:2a53a4c3238c | 823 | |
lorcansmith | 0:2a53a4c3238c | 824 | Base::add_rpc_class<DigitalOut>(); |
lorcansmith | 0:2a53a4c3238c | 825 | #if 0 |
lorcansmith | 0:2a53a4c3238c | 826 | Base::add_rpc_class<SPI_Server>(); |
lorcansmith | 0:2a53a4c3238c | 827 | #endif |
lorcansmith | 0:2a53a4c3238c | 828 | |
lorcansmith | 0:2a53a4c3238c | 829 | // pc.getc(); // wait for keyboard |
lorcansmith | 0:2a53a4c3238c | 830 | led3 = 0; |
lorcansmith | 0:2a53a4c3238c | 831 | |
lorcansmith | 0:2a53a4c3238c | 832 | strcpy( (char *)syslocation, (const char *)syslocation_default ); |
lorcansmith | 0:2a53a4c3238c | 833 | sysloc_len = strlen( (const char *)syslocation ); |
lorcansmith | 0:2a53a4c3238c | 834 | snmp_set_syslocation( syslocation, &sysloc_len ); |
lorcansmith | 0:2a53a4c3238c | 835 | |
lorcansmith | 0:2a53a4c3238c | 836 | pc.printf("\r\nSetting up...\r\n"); |
lorcansmith | 0:2a53a4c3238c | 837 | EthernetErr ethErr = eth.setup(); |
lorcansmith | 0:2a53a4c3238c | 838 | if( ethErr ) |
lorcansmith | 0:2a53a4c3238c | 839 | { |
lorcansmith | 0:2a53a4c3238c | 840 | pc.printf("Error %d in Ethernet setup.\r\n", ethErr); |
lorcansmith | 0:2a53a4c3238c | 841 | // return -1; |
lorcansmith | 0:2a53a4c3238c | 842 | } |
lorcansmith | 0:2a53a4c3238c | 843 | else // Ethernet Setup OK |
lorcansmith | 0:2a53a4c3238c | 844 | { |
lorcansmith | 0:2a53a4c3238c | 845 | mip = eth.getIp(); |
lorcansmith | 0:2a53a4c3238c | 846 | led3 = 1; |
lorcansmith | 0:2a53a4c3238c | 847 | led_speed = LPC_GPIO1->FIOPIN & (1<<26); // GPIO1.26 = "LED_SPEED". |
lorcansmith | 0:2a53a4c3238c | 848 | led_link = LPC_GPIO1->FIOPIN & (1<<25); // GPIO1.25 = "LED_LINK". |
lorcansmith | 0:2a53a4c3238c | 849 | pc.printf("\r\nEthernet Setup OK\r\n"); |
lorcansmith | 0:2a53a4c3238c | 850 | |
lorcansmith | 0:2a53a4c3238c | 851 | svr.addHandler<RPCHandler>("/rpc"); |
lorcansmith | 0:2a53a4c3238c | 852 | svr.addHandler<FSHandler>("/files"); |
lorcansmith | 0:2a53a4c3238c | 853 | svr.addHandler<FSHandler>("/"); //Default handler |
lorcansmith | 0:2a53a4c3238c | 854 | //Example : Access to mbed.htm : http://a.b.c.d/mbed.htm or http://a.b.c.d/files/mbed.htm |
lorcansmith | 0:2a53a4c3238c | 855 | |
lorcansmith | 0:2a53a4c3238c | 856 | // svr.bind(80); disable for SNMP development |
lorcansmith | 0:2a53a4c3238c | 857 | |
lorcansmith | 0:2a53a4c3238c | 858 | // snmp_init(); done in lwip/core/init.c |
lorcansmith | 0:2a53a4c3238c | 859 | |
lorcansmith | 0:2a53a4c3238c | 860 | pc.printf("Listening...\n\r"); |
lorcansmith | 0:2a53a4c3238c | 861 | |
lorcansmith | 0:2a53a4c3238c | 862 | snmp_trap_dst_ip_set( ONLY_TRAP, (ip_addr_t *)&th_ad[0] ); |
lorcansmith | 0:2a53a4c3238c | 863 | snmp_trap_dst_enable( ONLY_TRAP, ENABLED ); |
lorcansmith | 0:2a53a4c3238c | 864 | snmp_coldstart_trap(); // to force ARP call |
lorcansmith | 0:2a53a4c3238c | 865 | |
lorcansmith | 0:2a53a4c3238c | 866 | led3 = led4 = 0; |
lorcansmith | 0:2a53a4c3238c | 867 | spi_slave.format(8,3); // Setup: byte data, high steady state clock, 2nd edge capture |
lorcansmith | 0:2a53a4c3238c | 868 | |
lorcansmith | 0:2a53a4c3238c | 869 | sys_tick.attach( &snmp_inc_sysuptime, 0.01 ); |
lorcansmith | 2:25e12a7fe0aa | 870 | spi_tick.attach( &chk_SPI_active, 60.0 ); |
lorcansmith | 0:2a53a4c3238c | 871 | comms_tick.attach( &blinker, 0.07 ); // tick to blink activity LED |
lorcansmith | 0:2a53a4c3238c | 872 | cold_start_delay.attach( &init_traps, 30.0 ); // send cold_start trap after 30 seconds |
lorcansmith | 0:2a53a4c3238c | 873 | |
lorcansmith | 0:2a53a4c3238c | 874 | |
lorcansmith | 0:2a53a4c3238c | 875 | // Listen indefinitely to Ethernet and SPI |
lorcansmith | 0:2a53a4c3238c | 876 | while ( true ) |
lorcansmith | 0:2a53a4c3238c | 877 | { |
lorcansmith | 0:2a53a4c3238c | 878 | Net::poll(); // check for Ethernet requests |
lorcansmith | 0:2a53a4c3238c | 879 | |
lorcansmith | 0:2a53a4c3238c | 880 | if ( trap_init ) |
lorcansmith | 0:2a53a4c3238c | 881 | { |
lorcansmith | 0:2a53a4c3238c | 882 | check_all_traps(); |
lorcansmith | 0:2a53a4c3238c | 883 | } |
lorcansmith | 0:2a53a4c3238c | 884 | |
lorcansmith | 0:2a53a4c3238c | 885 | if( spi_slave.receive() ) { |
lorcansmith | 0:2a53a4c3238c | 886 | // Data available - needs chip select line to activate |
lorcansmith | 0:2a53a4c3238c | 887 | get_SPI_data( cmd_buf ); |
lorcansmith | 0:2a53a4c3238c | 888 | } // end if( spi_slave.receive() ) |
lorcansmith | 0:2a53a4c3238c | 889 | if ( net_addrs_set ) |
lorcansmith | 0:2a53a4c3238c | 890 | { // v0.99: address changed from SNMP i/f |
lorcansmith | 0:2a53a4c3238c | 891 | write_addrs_to_file(); |
lorcansmith | 0:2a53a4c3238c | 892 | net_addrs_set = false; |
lorcansmith | 0:2a53a4c3238c | 893 | } |
lorcansmith | 0:2a53a4c3238c | 894 | } // end while ( true ) |
lorcansmith | 0:2a53a4c3238c | 895 | |
lorcansmith | 0:2a53a4c3238c | 896 | } // else Ethernet Setup OK |
lorcansmith | 0:2a53a4c3238c | 897 | return 0; |
lorcansmith | 0:2a53a4c3238c | 898 | } |