FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/piradccal.c @ 736:7d1df6d831e4
libpwon: added -Pdtr and -Prts support for DUART28C
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 16 Sep 2020 03:40:51 +0000 |
parents | 886f65760d09 |
children |
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/* * This module is linked into fc-tmsync and implements a command for * retrieving Pirelli's VBAT ADC calibration. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "localtypes.h" #include "exitcodes.h" get_pirelli_vbat_cal() { u_char bytes[2]; int a, b; int rc; rc = do_memory_read(0x027F06E5, bytes, 2); if (rc) return(rc); a = bytes[0] | (bytes[1] << 8); rc = do_memory_read(0x027F06F7, bytes, 2); if (rc) return(rc); b = bytes[0] | (bytes[1] << 8); if (b >= 32768) b -= 65536; printf("A=%d B=%d\n", a, b); return(0); }