diff options
Diffstat (limited to 'iceprog/iceprog.c')
| -rw-r--r-- | iceprog/iceprog.c | 89 |
1 files changed, 76 insertions, 13 deletions
diff --git a/iceprog/iceprog.c b/iceprog/iceprog.c index 5d03dc9..1288fe3 100644 --- a/iceprog/iceprog.c +++ b/iceprog/iceprog.c @@ -31,6 +31,8 @@ #include <unistd.h> #include <string.h> #include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> struct ftdi_context ftdic; bool ftdic_open = false; @@ -148,7 +150,7 @@ void flash_read_id() { // printf("read flash ID..\n"); - uint8_t data[21] = { 0x9E }; + uint8_t data[21] = { 0x9F }; set_gpio(0, 0); xfer_spi(data, 21); set_gpio(1, 0); @@ -159,6 +161,22 @@ void flash_read_id() printf("\n"); } +void flash_power_up() +{ + uint8_t data[1] = { 0xAB }; + set_gpio(0, 0); + xfer_spi(data, 1); + set_gpio(1, 0); +} + +void flash_power_down() +{ + uint8_t data[1] = { 0xB9 }; + set_gpio(0, 0); + xfer_spi(data, 1); + set_gpio(1, 0); +} + void flash_write_enable() { if (verbose) @@ -180,9 +198,9 @@ void flash_bulk_erase() set_gpio(1, 0); } -void flash_sector_erase(int addr) +void flash_64kB_sector_erase(int addr) { - printf("sector erase 0x%06X..\n", addr); + printf("erase 64kB sector at 0x%06X..\n", addr); uint8_t command[4] = { 0xd8, addr >> 16, addr >> 8, addr }; set_gpio(0, 0); @@ -279,6 +297,9 @@ void help(const char *progname) fprintf(stderr, " i:<vendor>:<product>:<index> (e.g. i:0x0403:0x6010:0)\n"); fprintf(stderr, " s:<vendor>:<product>:<serial-string>\n"); fprintf(stderr, "\n"); + fprintf(stderr, " -I [ABCD]\n"); + fprintf(stderr, " connect to the specified interface on the FTDI chip\n"); + fprintf(stderr, "\n"); fprintf(stderr, " -r\n"); fprintf(stderr, " read entire flash (32Mb / 4MB) and write to file\n"); fprintf(stderr, "\n"); @@ -297,6 +318,9 @@ void help(const char *progname) fprintf(stderr, " -S\n"); fprintf(stderr, " perform SRAM programming\n"); fprintf(stderr, "\n"); + fprintf(stderr, " -t\n"); + fprintf(stderr, " just read the flash ID sequence\n"); + fprintf(stderr, "\n"); fprintf(stderr, " -v\n"); fprintf(stderr, " verbose output\n"); fprintf(stderr, "\n"); @@ -311,17 +335,26 @@ int main(int argc, char **argv) bool bulk_erase = false; bool dont_erase = false; bool prog_sram = false; + bool test_mode = false; const char *filename = NULL; const char *devstr = NULL; + int ifnum = INTERFACE_A; int opt; - while ((opt = getopt(argc, argv, "d:rRcbnSv")) != -1) + while ((opt = getopt(argc, argv, "d:I:rRcbnStv")) != -1) { switch (opt) { case 'd': devstr = optarg; break; + case 'I': + if (!strcmp(optarg, "A")) ifnum = INTERFACE_A; + else if (!strcmp(optarg, "B")) ifnum = INTERFACE_B; + else if (!strcmp(optarg, "C")) ifnum = INTERFACE_C; + else if (!strcmp(optarg, "D")) ifnum = INTERFACE_D; + else help(argv[0]); + break; case 'r': read_mode = true; break; @@ -341,6 +374,9 @@ int main(int argc, char **argv) case 'S': prog_sram = true; break; + case 't': + test_mode = true; + break; case 'v': verbose = true; break; @@ -349,13 +385,13 @@ int main(int argc, char **argv) } } - if (read_mode && check_mode) + if (read_mode + check_mode + prog_sram + test_mode > 1) help(argv[0]); if (bulk_erase && dont_erase) help(argv[0]); - if (optind+1 != argc) + if (optind+1 != argc && !test_mode) help(argv[0]); filename = argv[optind]; @@ -367,7 +403,7 @@ int main(int argc, char **argv) printf("init..\n"); ftdi_init(&ftdic); - ftdi_set_interface(&ftdic, INTERFACE_A); + ftdi_set_interface(&ftdic, ifnum); if (devstr != NULL) { if (ftdi_usb_open_string(&ftdic, devstr)) { @@ -412,7 +448,27 @@ int main(int argc, char **argv) usleep(100000); - if (prog_sram) + if (test_mode) + { + printf("reset..\n"); + + set_gpio(1, 0); + usleep(250000); + + printf("cdone: %s\n", get_cdone() ? "high" : "low"); + + flash_power_up(); + + flash_read_id(); + + flash_power_down(); + + set_gpio(1, 1); + usleep(250000); + + printf("cdone: %s\n", get_cdone() ? "high" : "low"); + } + else if (prog_sram) { // --------------------------------------------------------- // Reset @@ -476,6 +532,8 @@ int main(int argc, char **argv) printf("cdone: %s\n", get_cdone() ? "high" : "low"); + flash_power_up(); + flash_read_id(); @@ -501,13 +559,16 @@ int main(int argc, char **argv) } else { - fseek(f, SEEK_END, 0); - int file_size = ftell(f); - rewind(f); + struct stat st_buf; + if (stat(filename, &st_buf)) { + fprintf(stderr, "Error: Can't stat '%s': %s\n", filename, strerror(errno)); + error(); + } - for (int addr = 0; addr < file_size; addr += 0x1000) { + printf("file size: %d\n", (int)st_buf.st_size); + for (int addr = 0; addr < st_buf.st_size; addr += 0x10000) { flash_write_enable(); - flash_sector_erase(addr); + flash_64kB_sector_erase(addr); flash_wait(); } } @@ -578,6 +639,8 @@ int main(int argc, char **argv) // Reset // --------------------------------------------------------- + flash_power_down(); + set_gpio(1, 1); usleep(250000); |