2021-06-22 16:02:28 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <ftdi.h>
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static struct ftdi_context* ft;
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static int do_spi_cmd(const uint8_t *wpart, uint32_t wlen, uint8_t* rpart, uint32_t rlen) {
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int stat;
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static const uint8_t start[2]={0x90,0x00};
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//printf(" start\n");
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stat = ftdi_write_data(ft, start, sizeof start);
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if (stat < 0) return stat;
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uint8_t wbuf[2];
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uint8_t rbuf[1];
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for (uint32_t i = 0; i < wlen; ++i) {
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wbuf[0] = 0x92; wbuf[1] = wpart[i];
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//printf(" write %02x\n", wpart[i]);
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stat = ftdi_write_data(ft, wbuf, sizeof wbuf);
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if (stat < 0) return stat;
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stat = ftdi_read_data (ft, rbuf, sizeof rbuf);
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if (stat < 0) return stat;
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//printf(" wres %02x\n", rbuf[0]);
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}
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for (uint32_t i = 0; i < rlen; ++i) {
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wbuf[0] = 0x92; wbuf[1] = 0xff;
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stat = ftdi_write_data(ft, wbuf, sizeof wbuf);
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if (stat < 0) return stat;
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stat = ftdi_read_data (ft, rbuf, sizeof rbuf);
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if (stat < 0) return stat;
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rpart[i] = rbuf[0];
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//printf(" read %02x\n", rpart[i]);
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}
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static const uint8_t stop [2]={0x91,0x00};
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//printf(" stop\n");
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stat = ftdi_write_data(ft, stop, sizeof stop);
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if (stat < 0) return stat;
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return stat;
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}
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int main(int argc, char* argv[]) {
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int stat, rv = 0;
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if (!(ft = ftdi_new())) {
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printf("can't init ftdi\n");
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return 1;
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}
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ftdi_set_interface(ft, INTERFACE_ANY);
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stat = ftdi_usb_open(ft, 0x0403, 0x7fd0);
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if(stat<0){printf("ftdi_usb_open failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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static const char* typtbl[] = {"am","bm","2232c","r","2232h","4232h","232h","230x"};
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printf("chiptype=%d (%s), itf=%d index=%d in ep=%d out ep=%d\n",
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ft->type, typtbl[ft->type], ft->interface, ft->index, ft->in_ep, ft->out_ep);
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ftdi_set_latency_timer(ft, 2); // ???
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printf("get status\n");
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const uint8_t wdata[5] = {0xfd,0x00,0x01,0x02,0xfe};
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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uint8_t rdata[4]={0};
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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//const uint8_t rstcapt[]={0xf0,0x00};
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uint8_t gobloader = 0x94;
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printf("go to bootloader (%02x)\n", gobloader);
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stat = ftdi_write_data(ft, &gobloader, 1);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("get status\n");
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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const uint8_t unlockseq[27]={0xf1,0x62, 0xa7, 0x7e,0};
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printf("send magic sequence\n");
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stat = ftdi_write_data(ft, unlockseq, sizeof unlockseq);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("get status\n");
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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printf("do spiflash id\n");
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uint8_t spiidwr[] = {0x9f}; uint8_t spiidrd[2];
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do_spi_cmd(spiidwr, sizeof spiidwr, spiidrd, sizeof spiidrd);
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printf("spiflash id=%02x %02x\n", spiidrd[0], spiidrd[1]);
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printf("do spiflash stat\n");
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uint8_t spistatwr[] = {0xd7}; uint8_t spistatrd[1];
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do_spi_cmd(spistatwr, sizeof spistatwr, spistatrd, sizeof spistatrd);
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printf("spiflash stat=%02x\n", spistatrd[0]);
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/*gobloader = 0x93;
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printf("go to application (%02x)\n", gobloader);
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stat = ftdi_write_data(ft, &gobloader, 1);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}*/
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printf("get status\n");
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stat = ftdi_write_data(ft, wdata, sizeof wdata);
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if(stat<0){printf("ftdi_write_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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stat = ftdi_read_data(ft, rdata, sizeof rdata);
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if (stat<0){printf("ftdi_read_data failed: %d %s\n",stat,ftdi_get_error_string(ft));rv=1;goto finish;}
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printf("got rdata: %02x %02x %02x %02x\n", rdata[0], rdata[1], rdata[2], rdata[3]);
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// bitstream: 0x000000..0x019fff
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// userdata1: 0x01a000..0x01ffff
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// multiboot: 0x020000..0x039fff
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// userdata2: 0x03a000..0x03ffff // 2Mbit in size
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printf("spiflash dump!\n");
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const uint8_t spifastread0[]={0x0b,0x00,0x00,0x00};
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#define nbytes 0x040000
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static uint8_t spifastreadbuf[1+nbytes]; // data back has an extra "don't care" bit...
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do_spi_cmd(spifastread0, sizeof spifastread0, spifastreadbuf, sizeof spifastreadbuf);
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FILE* f = fopen("spiflash.bin", "wb+");
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fwrite(&spifastreadbuf[1], 1, nbytes, f);
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#undef nbytes
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fclose(f);
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/*
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* W f1 01 04 00 00 00 90 d0 03 90 d0 03 e8 6e f3 00 00 f0 0f 0f 81 4b 32 01 00
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* set settings (spurious?)
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* [ 0]: normal
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* [1:2]: clock freq 0004: 25 MHz
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* [3:4]: trigger PW scale: no scale (0)
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2021-06-22 21:07:42 +00:00
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* [5:7]: 90 d0 03: memsetting 1: 250000*mem usage // number of bytes * 5?
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2021-06-22 16:02:28 +00:00
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* [8:a]: 90 d0 03: memsetting 2
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* [b:d]: e8 6e f3: MS1*(1-pre_trigger_samples)
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* [ e]: fixed 00?
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* [ f]: 00: no trigger
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* [ 10]: fixed f0?
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* [ 11]: fixed 0f?
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* [ 12]: 0f: capture mode
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* [13:14]: voltage: 81 4b: 3v3
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* [ 15]: fixed 32?
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* [ 16]: !abort (0x01)
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* [ 17]: abort (0x00)
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* ReadEE 0x20 -> 0x8888
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* ??? location
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* W f0 00
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* capture state reset?
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* W fd 00 01 02 fe
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* status
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* R 09 09 09 09 || 22 22 22 22
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* retval: uninited(?) || application
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* W 94
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* reset to bootloader
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* ~
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* ReadEE 0x12 -> 0xa762
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* ReadEE 0x13 -> 0x037e
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* read magic 24bit code
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* W f1 62 a7 7e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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* bootloader: enable device(?)
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* W fd 00 01 02 fe
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* R 01 01 01 01
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* status -> bootloader
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* W fd 00 01 02 fe
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* R 01 01 01 01
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* status -> bootloader (spurious double?)
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* 93
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* reset to application
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* ~
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* W fd 00 01 02 fe
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* R 22 22 22 22
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* status -> application
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* ~
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* W f1 01 04 00 00 00 90 d0 03 90 d0 03 e8 6e f3 00 00 f0 0f 0f 81 4b 32 01 00
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* set settings (same as in begin)
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* W f0 00
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* capture state reset?
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* W fd 00 01 02 fe
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* R 22 22 22 22
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* status -> application
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* W f1 01 04 00 00 00 90 d0 03 90 d0 03 e8 6e f3 00 00 f0 0f 0f 81 4b 32 01 00
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* W f1 01 04 00 00 00 90 d0 03 90 d0 03 90 6e f3 00 00 f0 0f 0f 81 4b 32 01 00
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* ^^
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* set settings
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* W fd 00 01 02 fe
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* R 22 22 22 22
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* status -> application
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* W f0 00
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* capture state reset?
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* W f0 01
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* start capture/wait for trigger
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* R 11 00 00
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* "trig instant"
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* R dd
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* status byte: complete
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* W f0 00
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* capture state reset?
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* W f0 06
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* read acquired data
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* R <lots and lots of data, 500000 bytes>
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* W f0 00
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* capture state reset?
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* W f1 01 04 00 00 00 90 d0 03 90 d0 03 e8 6e f3 00 00 f0 0f 0f 81 4b 32 01 00
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* set settings
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* W fd 00 01 02 fe
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* R 22 22 22 22
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* status -> application
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*/
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finish:
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ftdi_usb_close(ft);
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ftdi_free(ft);
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return rv;
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}
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