diff options
Diffstat (limited to 'icepll')
| -rw-r--r-- | icepll/icepll.cc | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/icepll/icepll.cc b/icepll/icepll.cc index 6b6cedb..82bf3e3 100644 --- a/icepll/icepll.cc +++ b/icepll/icepll.cc @@ -20,6 +20,10 @@ #include <string.h> #include <math.h> +#ifdef __EMSCRIPTEN__ +#include <emscripten.h> +#endif + const char *binstr(int v, int n) { static char buffer[16]; @@ -52,6 +56,9 @@ void help(const char *cmd) printf(" -m\n"); printf(" Save PLL configuration as Verilog module (use with -f)\n"); printf("\n"); + printf(" -n <module name>\n"); + printf(" Specify different Verilog module name than the default 'pll'\n"); + printf("\n"); printf(" -q\n"); printf(" Do not print PLL configuration to stdout\n"); printf("\n"); @@ -60,15 +67,28 @@ void help(const char *cmd) int main(int argc, char **argv) { +#ifdef __EMSCRIPTEN__ + EM_ASM( + if (ENVIRONMENT_IS_NODE) + { + FS.mkdir('/hostcwd'); + FS.mount(NODEFS, { root: '.' }, '/hostcwd'); + FS.mkdir('/hostfs'); + FS.mount(NODEFS, { root: '/' }, '/hostfs'); + } + ); +#endif + double f_pllin = 12; double f_pllout = 60; bool simple_feedback = true; char* filename = NULL; + char* module_name = NULL; bool save_as_module = false; bool quiet = false; int opt; - while ((opt = getopt(argc, argv, "i:o:Smf:q")) != -1) + while ((opt = getopt(argc, argv, "i:o:Smf:n:q")) != -1) { switch (opt) { @@ -87,6 +107,9 @@ int main(int argc, char **argv) case 'f': filename = optarg; break; + case 'n': + module_name = optarg; + break; case 'q': quiet = true; break; @@ -238,11 +261,11 @@ int main(int argc, char **argv) f_pllin, f_pllout, best_fout); // generate Verilog module - fprintf(f, "module pll(\n" + fprintf(f, "module %s(\n" "\tinput clock_in,\n" "\toutput clock_out,\n" "\toutput locked\n" - "\t);\n\n" + "\t);\n\n", (module_name ? module_name : "pll") ); // save iCE40 PLL tile configuration |