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Diffstat (limited to 'fpga/xilinx/programmer/dependencies/libxsvf/xsvftool-xpcu.src/.svn/text-base/firmware.c.svn-base')
-rw-r--r-- | fpga/xilinx/programmer/dependencies/libxsvf/xsvftool-xpcu.src/.svn/text-base/firmware.c.svn-base | 782 |
1 files changed, 782 insertions, 0 deletions
diff --git a/fpga/xilinx/programmer/dependencies/libxsvf/xsvftool-xpcu.src/.svn/text-base/firmware.c.svn-base b/fpga/xilinx/programmer/dependencies/libxsvf/xsvftool-xpcu.src/.svn/text-base/firmware.c.svn-base new file mode 100644 index 0000000..587d53e --- /dev/null +++ b/fpga/xilinx/programmer/dependencies/libxsvf/xsvftool-xpcu.src/.svn/text-base/firmware.c.svn-base @@ -0,0 +1,782 @@ +/* + * xsvftool-xpcu - An (X)SVF player for the Xilinx Platform Cable USB + * + * Copyright (C) 2011 RIEGL Research ForschungsGmbH + * Copyright (C) 2011 Clifford Wolf <clifford@clifford.at> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +/* + * Command Reference (EP1) + * ----------------------- + * + * Request: T<nn> + * Response: OK (T<nn>) + * Configure timing for EP2/JTAG transfers + * + * Request: R + * Response: OK (R) + * Perform internal and CPLD reset + * + * Request: W<n> + * Response: OK (W<n>) + * Wait for the CPLD sync signal to become <n> + * + * Request: C + * Response: <nnnnnn> (C) + * Read out the CPLD verilog checksum + * + * Request: B<n> + * Response: OK (B<n>) + * Set BUFFER_OE to <n> + * + * Request: I<n> + * Response: OK (I<n>) + * Set INIT_INT to <n> + * + * Request: S + * Response: <n><m><k><p><x><y><s> (S) + * Read and reset status bits + * (<n> = FX2-JTAG-ERR, <m> = CPLD-JTAG-ERR, <k> = INIT_B_INT, + * <p> = SLOE_INT, <x> = FX2-JTAG-TDO, <y> = CPLD-JTAG-TDO, <s> = SYNC) + * + * Request: P + * Response: <n><m><k><p><x><y><s> (P) + * Peek status bits without resetting them + * + * Request: J<bindata> + * Response: -- NONE -- + * Execute JTAG transaction (4bit/cycle) + * + * Request: X + * Response: OK (X) + * Exit. Restore FX2 default settings and enter endless loop + * + * + * Target JTAG Programming (EP2) + * ----------------------------- + * + * Raw JTAG transaction codes. + * (4bit/cycle when T=0, 8bit/cycle otherwise) + * + * + * JTAG Transaction codes + * ---------------------- + * + * 0000: + * NOP + * + * 0001 xxxx: + * Set sync signal to 'xxxx' (engine on CPLD only) + * + * 001x: + * reserved for future use + * + * 01xy: + * JTAG transaction without TDO check. TMS=x, TDI=y + * + * 1zxy: + * JTAG transaction with TDO check. TDO=z, TMS=x, TDI=y + * + * + * FX2 <-> CPLD Interface + * ---------------------- + * + * FD[7:0] ---> FD[7:0] + * CTL0 ---> STROBE_FD (neg) + * CTL1 ---> STROBE_SHIFT (neg) + * CTL2 ---> STROBE_PUSH (neg) + * + * PC[7:4] <--- SYNC + * PC3 <--- TDO + * PC2 <--- CKSUM + * PC1 <--- INIT_B_INT + * PC0 <--- ERR + * + * PD4 ---> RESET_SYNC + * PD3 ---> RESET_ERR + * PD2 ---> INIT_INT + * PD1 ---> SHIFT_CKSUM + * PD0 ---> RESET_CKSUM + * + * + * Other FX2 Connections + * --------------------- + * + * PA0 ---> LED_GREEN + * PA1 ---> LED_RED + * PA2 <--- SLOE_INT + * PA3 ---> CPLD_PWR + * PA5 ---> BUFFER_OE + * + * IOE[3] ---> CPLD TCK + * IOE[4] ---> CPLD TMS + * IOE[5] <--- CPLD TDO + * IOE[6] ---> CPLD TDI + * + */ + +// #include "fx2.h" +// #include "fx2regs.h" +// #include "fx2sdly.h" +#include "gpifprog_fixed.c" + +// set to '1' on CPLD JTAG error +BYTE state_err; + +// use quad buffering and larger buffers +#define ALL_RESOURCES_ON_EP2 + +void sleep3us(void) +{ + SYNCDELAY; + SYNCDELAY; + SYNCDELAY; + SYNCDELAY; + SYNCDELAY; + SYNCDELAY; + SYNCDELAY; + SYNCDELAY; +} + +void msleep(WORD ms) +{ + WORD i; + while (ms-- > 0) { + for (i = 0; i < 1000; i += 3) + sleep3us(); + } +} + +void setup(void) +{ + BYTE i; + + /* CPU: 48MHz, don't drive CLKOUT */ + CPUCS = 0x10; + +#ifdef ALL_RESOURCES_ON_EP2 + /* Configure the Endpoints (EP2 => 4x 1kB) */ + EP2CFG = 0xA8; // VALID=1, DIR=0, TYPE=10, SIZE=1, BUF=00 + EP4CFG = 0x00; // VALID=0, DIR=0, TYPE=00, SIZE=0, BUF=00 + EP6CFG = 0x00; // VALID=0, DIR=0, TYPE=00, SIZE=0, BUF=00 + EP8CFG = 0x00; // VALID=0, DIR=0, TYPE=00, SIZE=0, BUF=00 +#else + /* Configure the Endpoints (default config) */ + EP2CFG = 0xA2; // VALID=1, DIR=0, TYPE=10, SIZE=0, BUF=10 + EP4CFG = 0xA0; // VALID=1, DIR=0, TYPE=10, SIZE=0, BUF=00 + EP6CFG = 0xA2; // VALID=1, DIR=1, TYPE=10, SIZE=0, BUF=10 + EP8CFG = 0xA0; // VALID=1, DIR=1, TYPE=10, SIZE=0, BUF=00 +#endif + + /* USB FIFO */ + FIFORESET = 0x80; + SYNCDELAY; + FIFORESET = 2; + SYNCDELAY; + FIFORESET = 4; + SYNCDELAY; + FIFORESET = 6; + SYNCDELAY; + FIFORESET = 8; + SYNCDELAY; + FIFORESET = 0; + SYNCDELAY; + + /* Set WORDWIDE=0 for all FIFOs */ + EP2FIFOCFG &= ~bmWORDWIDE; + SYNCDELAY; + EP4FIFOCFG &= ~bmWORDWIDE; + SYNCDELAY; + EP6FIFOCFG &= ~bmWORDWIDE; + SYNCDELAY; + EP8FIFOCFG &= ~bmWORDWIDE; + SYNCDELAY; + + /* Initialize GPIF Subsystem */ + GpifInit(); + + /* Misc signals on port A */ + PORTACFG = 0; + OEA = bmBIT0 | bmBIT1 | bmBIT3 | bmBIT5; + IOA = 0; + + /* FX2 <-> CPLD signals on port C */ + PORTCCFG = 0; + OEC = 0; + IOC = 0; + + /* FX2 <-> CPLD signals on port D */ + OED = bmBIT0 | bmBIT1 | bmBIT2 | bmBIT3 | bmBIT4; + IOD = 0; + + /* TURN ON CPLD VCC */ + PA3 = 1; + msleep(100); + + /* XC2S256 JTAG on port E */ + OEE = bmBIT3|bmBIT4|bmBIT6; + IOE = bmBIT3|bmBIT4|bmBIT6; + + /* Set TAP to logic reset state */ + for (i=0; i<16; i++) { + // TMS is high - just generate a few TCK pulses + sleep3us(); + IOE &= ~bmBIT3; + sleep3us(); + IOE |= bmBIT3; + } + + /* All set up: Let the host find out about the new EP config */ +#if 0 + USBCS |= bmDISCON; + msleep(10); + USBCS &= ~bmDISCON; +#endif +} + +void unsetup(void) +{ + WORD i, j; + + /* 1st TURN OFF CPLD VCC */ + PA3 = 0; + msleep(100); + + /* + * Restore default configuration as good as possible + * + * The idea is that one could load the xilinx firmware without + * the need to reconnect. Unfortunately it doesn't work. Something + * important is still different between the FX2 after reset and + * after running this unsetup() function. + */ + + GPIFABORT = 0xFF; + SYNCDELAY; + + CPUCS = 0x02; + SYNCDELAY; + IFCONFIG = 0x80; + SYNCDELAY; + + EP2CFG = 0xA2; + SYNCDELAY; + EP4CFG = 0xA0; + SYNCDELAY; + EP6CFG = 0xA2; + SYNCDELAY; + EP8CFG = 0xA0; + SYNCDELAY; + + EP2FIFOCFG = 0x05; + SYNCDELAY; + EP4FIFOCFG = 0x05; + SYNCDELAY; + EP6FIFOCFG = 0x05; + SYNCDELAY; + EP8FIFOCFG = 0x05; + SYNCDELAY; + + FIFORESET = 0x80; + SYNCDELAY; + FIFORESET = 2; + SYNCDELAY; + FIFORESET = 4; + SYNCDELAY; + FIFORESET = 6; + SYNCDELAY; + FIFORESET = 8; + SYNCDELAY; + FIFORESET = 0; + SYNCDELAY; + + IOA = 0; + IOC = 0; + IOD = 0; + IOE = 0; + + OEA = 0; + OEC = 0; + OED = 0; + OEE = 0; + + PORTACFG = 0; + PORTCCFG = 0; + + OEA = 1; + for (i=0; i<3; i++) { + PA0 = 1; + for (j=0; j<3000; j++) sleep3us(); + PA1 = 0; + for (j=0; j<3000; j++) sleep3us(); + } + OEA = 0; + + // just ack everything and wait + while (1) { + if((EP1OUTCS & bmBIT1) == 0) { + EP1OUTBC = 0xff; SYNCDELAY; + } + if((EP2CS & bmBIT2) == 0) { + EP2BCL = 0xff; SYNCDELAY; + } + } +} + +BYTE nibble2hex(BYTE v) +{ + return "0123456789ABCDEF"[v&0x0f]; +} + +BYTE hex2nibble(BYTE v) +{ + if (v >= '0' && v <= '9') + return v - '0'; + if (v >= 'a' && v <= 'f') + return 0x0A + v - 'a'; + if (v >= 'A' && v <= 'F') + return 0x0A + v - 'A'; + return 0; +} + +xdata at (0xE400 + 64) volatile BYTE GPIF_WAVE2_LEN0; +xdata at (0xE400 + 66) volatile BYTE GPIF_WAVE2_LEN2; + +void proc_command_t(BYTE t) +{ + if (t == 0) { + GPIFWFSELECT = 0x4E; SYNCDELAY; + } else { + GPIFWFSELECT = 0x4A; SYNCDELAY; + GPIF_WAVE2_LEN0 = t; SYNCDELAY; + GPIF_WAVE2_LEN2 = t; SYNCDELAY; + } + + EP1INBUF[0] = 'O'; SYNCDELAY; + EP1INBUF[1] = 'K'; SYNCDELAY; + EP1INBUF[2] = ' '; SYNCDELAY; + EP1INBUF[3] = '('; SYNCDELAY; + EP1INBUF[4] = 'T'; SYNCDELAY; + EP1INBUF[5] = nibble2hex((t >> 4) & 0x0f); SYNCDELAY; + EP1INBUF[6] = nibble2hex((t >> 0) & 0x0f); SYNCDELAY; + EP1INBUF[7] = ')'; SYNCDELAY; + EP1INBC = 8; SYNCDELAY; +} + +void proc_command_r(void) +{ + BYTE i, *p = "OK (R)"; + + /* Reset TAP to logic reset state */ + IOE = bmBIT3|bmBIT4|bmBIT6; + for (i=0; i<16; i++) { + // TMS is high - just generate a few TCK pulses + sleep3us(); + IOE &= ~bmBIT3; + sleep3us(); + IOE |= bmBIT3; + } + + /* Reset speed to max. */ + GPIFWFSELECT = 0x4E; SYNCDELAY; + + /* Reset JTAG error state */ + state_err = 0; + + /* Reset LEDs and BUFFER_OE */ + PA0 = PA1 = PA5 = 0; + + /* Assert CPLD reset pins */ + IOD = bmBIT0 | bmBIT3 | bmBIT4; + SYNCDELAY; + IOD |= bmBIT1; + SYNCDELAY; + IOD = 0; + + /* Send response */ + for (i = 0; p[i]; i++) { + EP1INBUF[i] = p[i]; SYNCDELAY; + } + EP1INBC = i; SYNCDELAY; +} + +void proc_bulkdata(void); + +void proc_command_w_ok(BYTE v) +{ + EP1INBUF[0] = 'O'; SYNCDELAY; + EP1INBUF[1] = 'K'; SYNCDELAY; + EP1INBUF[2] = ' '; SYNCDELAY; + EP1INBUF[3] = '('; SYNCDELAY; + EP1INBUF[4] = 'W'; SYNCDELAY; + EP1INBUF[5] = nibble2hex(v); SYNCDELAY; + EP1INBUF[6] = ')'; SYNCDELAY; + EP1INBC = 7; SYNCDELAY; +} + +void proc_command_w_timeout(BYTE v) +{ + EP1INBUF[0] = 'T'; SYNCDELAY; + EP1INBUF[1] = 'I'; SYNCDELAY; + EP1INBUF[2] = 'M'; SYNCDELAY; + EP1INBUF[3] = 'E'; SYNCDELAY; + EP1INBUF[4] = 'O'; SYNCDELAY; + EP1INBUF[5] = 'U'; SYNCDELAY; + EP1INBUF[6] = 'T'; SYNCDELAY; + EP1INBUF[7] = '!'; SYNCDELAY; + EP1INBUF[8] = ' '; SYNCDELAY; + EP1INBUF[9] = 'S'; SYNCDELAY; + EP1INBUF[10] = '='; SYNCDELAY; + EP1INBUF[11] = nibble2hex(IOC >> 4); SYNCDELAY; + EP1INBUF[12] = ' '; SYNCDELAY; + EP1INBUF[13] = '('; SYNCDELAY; + EP1INBUF[14] = 'W'; SYNCDELAY; + EP1INBUF[15] = nibble2hex(v); SYNCDELAY; + EP1INBUF[16] = ')'; SYNCDELAY; + EP1INBC = 17; SYNCDELAY; +} + +void proc_command_w(BYTE v) +{ + WORD i, j; + + for (i = 0; i < 1000; i++) + for (j = 0; j < 1000; j++) + { + /* check for wait condition */ + if ((IOC >> 4) == v) { + proc_command_w_ok(v); + return; + } + + /* check for data on EP2 */ + if((EP2CS & bmBIT2) == 0) { + PA0 = 1; + proc_bulkdata(); + PA0 = 0; + } + } + + proc_command_w_timeout(v); +} + +void proc_command_c(void) +{ + BYTE i, j, buf; + + /* Reset chksum register */ + PD0 = 1; + PD1 = 0; + SYNCDELAY; + PD1 = 1; + SYNCDELAY; + PD0 = 0; + PD1 = 0; + + for (i = 0; i < 6; i++) { + buf = 0; + for (j = 0; j < 4; j++) { + buf = buf << 1 | PC2; + SYNCDELAY; + PD1 = 1; + SYNCDELAY; + PD1 = 0; + } + EP1INBUF[i] = nibble2hex(buf); SYNCDELAY; + } + + EP1INBUF[6] = ' '; SYNCDELAY; + EP1INBUF[7] = '('; SYNCDELAY; + EP1INBUF[8] = 'C'; SYNCDELAY; + EP1INBUF[9] = ')'; SYNCDELAY; + EP1INBC = 10; SYNCDELAY; +} + +void proc_command_b(BYTE v) +{ + PA5 = v; + + EP1INBUF[0] = 'O'; SYNCDELAY; + EP1INBUF[1] = 'K'; SYNCDELAY; + EP1INBUF[2] = ' '; SYNCDELAY; + EP1INBUF[3] = '('; SYNCDELAY; + EP1INBUF[4] = 'B'; SYNCDELAY; + EP1INBUF[5] = v ? '1' : '0'; SYNCDELAY; + EP1INBUF[6] = ')'; SYNCDELAY; + EP1INBC = 7; SYNCDELAY; +} + +void proc_command_i(BYTE v) +{ + PD2 = v; + + EP1INBUF[0] = 'O'; SYNCDELAY; + EP1INBUF[1] = 'K'; SYNCDELAY; + EP1INBUF[2] = ' '; SYNCDELAY; + EP1INBUF[3] = '('; SYNCDELAY; + EP1INBUF[4] = 'I'; SYNCDELAY; + EP1INBUF[5] = v ? '1' : '0'; SYNCDELAY; + EP1INBUF[6] = ')'; SYNCDELAY; + EP1INBC = 7; SYNCDELAY; +} + +void proc_command_s(void) +{ + EP1INBUF[0] = PC0 ? '1' : '0'; SYNCDELAY; + EP1INBUF[1] = state_err ? '1' : '0'; SYNCDELAY; + EP1INBUF[2] = PC1 ? '1' : '0'; SYNCDELAY; + EP1INBUF[3] = PA2 ? '1' : '0'; SYNCDELAY; + EP1INBUF[4] = PC3 ? '1' : '0'; SYNCDELAY; + EP1INBUF[5] = (IOE & bmBIT5) ? '1' : '0'; SYNCDELAY; + EP1INBUF[6] = nibble2hex(IOC >> 4); SYNCDELAY; + EP1INBUF[7] = ' '; SYNCDELAY; + EP1INBUF[8] = '('; SYNCDELAY; + EP1INBUF[9] = 'S'; SYNCDELAY; + EP1INBUF[10] = ')'; SYNCDELAY; + EP1INBC = 11; SYNCDELAY; + + // reset error state + state_err = 0; + IOD = bmBIT3; + SYNCDELAY; + SYNCDELAY; + IOD &= ~bmBIT3; +} + +void proc_command_p(void) +{ + EP1INBUF[0] = PC0 ? '1' : '0'; SYNCDELAY; + EP1INBUF[1] = state_err ? '1' : '0'; SYNCDELAY; + EP1INBUF[2] = PC1 ? '1' : '0'; SYNCDELAY; + EP1INBUF[3] = PA2 ? '1' : '0'; SYNCDELAY; + EP1INBUF[4] = PC3 ? '1' : '0'; SYNCDELAY; + EP1INBUF[5] = (IOE & bmBIT5) ? '1' : '0'; SYNCDELAY; + EP1INBUF[6] = nibble2hex(IOC >> 4); SYNCDELAY; + EP1INBUF[7] = ' '; SYNCDELAY; + EP1INBUF[8] = '('; SYNCDELAY; + EP1INBUF[9] = 'P'; SYNCDELAY; + EP1INBUF[10] = ')'; SYNCDELAY; + EP1INBC = 11; SYNCDELAY; +} + +BYTE proc_command_j_exec_skip_next; +void proc_command_j_exec(BYTE cmd) +{ + if (proc_command_j_exec_skip_next) { + proc_command_j_exec_skip_next = 0; + return; + } + if (cmd == 0x00) + return; + if (cmd == 0x01) { + // 0001 xxxx: Set sync signal to 'xxxx' (engine on CPLD only) + proc_command_j_exec_skip_next = 1; + return; + } + if ((cmd & 0x0c) == 0x04) + { + // 01xy: JTAG transaction without TDO check. TMS=x, TDI=y + + /* set tms line */ + if (cmd & 0x02) + IOE |= bmBIT4; + else + IOE &= ~bmBIT4; + + /* set tdi line */ + if (cmd & 0x01) + IOE |= bmBIT6; + else + IOE &= ~bmBIT6; + + /* generate tck pulse */ + SYNCDELAY; + IOE &= ~bmBIT3; + sleep3us(); + IOE |= bmBIT3; + SYNCDELAY; + + return; + } + if ((cmd & 0x08) == 0x08) + { + // 1zxy: JTAG transaction with TDO check. TDO=z, TMS=x, TDI=y + + /* set tms line */ + if (cmd & 0x02) + IOE |= bmBIT4; + else + IOE &= ~bmBIT4; + + /* set tdi line */ + if (cmd & 0x01) + IOE |= bmBIT6; + else + IOE &= ~bmBIT6; + + /* generate tck pulse */ + SYNCDELAY; + IOE &= ~bmBIT3; + sleep3us(); + IOE |= bmBIT3; + SYNCDELAY; + + /* perform tdo check */ + if (((cmd & 0x04) == 0) != ((IOE & bmBIT5) == 0)) + state_err = 1; + + return; + } +} + +void proc_command_j(BYTE len) +{ + BYTE i; + proc_command_j_exec_skip_next = 0; + for (i = 1; i < len; i++) { + BYTE cmd = EP1OUTBUF[i]; + proc_command_j_exec(cmd & 0x0f); + proc_command_j_exec(cmd >> 4); + } +} + +void proc_command_x(void) +{ + EP1INBUF[0] = 'O'; SYNCDELAY; + EP1INBUF[1] = 'K'; SYNCDELAY; + EP1INBUF[2] = ' '; SYNCDELAY; + EP1INBUF[3] = '('; SYNCDELAY; + EP1INBUF[4] = 'X'; SYNCDELAY; + EP1INBUF[5] = ')'; SYNCDELAY; + EP1INBC = 6; SYNCDELAY; + + /* accept new data on EP1OUT */ + EP1OUTBC = 0xff; SYNCDELAY; + + unsetup(); +} + +void proc_command(void) +{ + BYTE len, cmd; + + /* process command(s) */ + len = EP1OUTBC; + cmd = EP1OUTBUF[0]; + + if (cmd == 'T' && len == 3) + proc_command_t((hex2nibble(EP1OUTBUF[1]) << 4) | hex2nibble(EP1OUTBUF[2])); + else if (cmd == 'R' && len == 1) + proc_command_r(); + else if (cmd == 'W' && len == 2) + proc_command_w(hex2nibble(EP1OUTBUF[1])); + else if (cmd == 'C' && len == 1) + proc_command_c(); + else if (cmd == 'B' && len == 2) + proc_command_b(EP1OUTBUF[1] == '1'); + else if (cmd == 'I' && len == 2) + proc_command_i(EP1OUTBUF[1] == '1'); + else if (cmd == 'S' && len == 1) + proc_command_s(); + else if (cmd == 'P' && len == 1) + proc_command_p(); + else if (cmd == 'J') + proc_command_j(len); + else if (cmd == 'X') + proc_command_x(); + else + { + /* send error response */ + EP1INBUF[0] = 'E'; SYNCDELAY; + EP1INBUF[1] = 'R'; SYNCDELAY; + EP1INBUF[2] = 'R'; SYNCDELAY; + EP1INBUF[3] = 'O'; SYNCDELAY; + EP1INBUF[4] = 'R'; SYNCDELAY; + EP1INBUF[5] = '!'; SYNCDELAY; + EP1INBC = 6; SYNCDELAY; + } + + /* accept new data on EP1OUT */ + EP1OUTBC = 0xff; SYNCDELAY; +} + +void proc_bulkdata(void) +{ + WORD len; + + len = (EP2BCH << 8) | EP2BCL; + if (len == 0) + { + /* ignore this and accept data on EP2 */ + EP2BCL = 0xff; SYNCDELAY; + } +#if 0 + else if (len == 1) + { + while ((GPIFTRIG & 0x80) == 0) { /* GPIF is busy */ } + + /* transfer single byte */ + XGPIFSGLDATH = 0; SYNCDELAY; + XGPIFSGLDATLX = EP2FIFOBUF[0]; SYNCDELAY; + + /* accept new data on EP2 */ + EP2BCL = 0xff; SYNCDELAY; + } +#endif + else + { + while ((GPIFTRIG & 0x80) == 0) { /* GPIF is busy */ } + + /* pass pkt to GPIF master */ + EP2GPIFTCH = EP2BCH; + EP2GPIFTCL = EP2BCL; + EP2BCL = 0x00; + EP2GPIFTRIG = 0xff; + } +} + +void main(void) +{ + state_err = 0; + + setup(); + + /* accept data on EP2 */ + EP2BCL = 0xff; SYNCDELAY; // 1st buffer + EP2BCL = 0xff; SYNCDELAY; // 2nd buffer +#ifdef ALL_RESOURCES_ON_EP2 + EP2BCL = 0xff; SYNCDELAY; // 3rd buffer + EP2BCL = 0xff; SYNCDELAY; // 4th buffer +#endif + + while (1) + { + /* check for data on EP1 */ + if((EP1OUTCS & bmBIT1) == 0) { + PA1 = 1; + proc_command(); + PA1 = 0; + } + + /* check for data on EP2 */ + if((EP2CS & bmBIT2) == 0) { + PA0 = 1; + proc_bulkdata(); + PA0 = 0; + } + } +} + |