FreeCalypso > hg > freecalypso-sw
view rvinterf/lowlevel/rviflcd.c @ 1008:5f919af515f1
rvinterf: beginning of support for new TCH and KEEPALIVE RVTMUX channels
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Sun, 20 Mar 2016 19:59:19 +0000 |
parents | 16ed75e266f2 |
children |
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/* * This rvinterf module implements the piping of LCD output to fc-lcdemu */ #include <sys/types.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include <unistd.h> extern u_char rxpkt[]; extern size_t rxpkt_len; char *extlcd_program; FILE *extlcd_pout; u_char extlcd_invert; void open_extlcd_pipe() { extlcd_pout = popen(extlcd_program, "w"); if (!extlcd_pout) { perror(extlcd_program); exit(1); } } void output_to_extlcd() { int i; fprintf(extlcd_pout, "%u %u ", rxpkt[1], rxpkt[2]); for (i = 3; i < rxpkt_len; i += 2) fprintf(extlcd_pout, "%02X%02X", rxpkt[i+1] ^ extlcd_invert, rxpkt[i] ^ extlcd_invert); fputc('\n', extlcd_pout); fflush(extlcd_pout); }