diff options
Diffstat (limited to 'glcddrivers/st7565r-reel.c')
| -rw-r--r-- | glcddrivers/st7565r-reel.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/glcddrivers/st7565r-reel.c b/glcddrivers/st7565r-reel.c index baca40a..d3a18a4 100644 --- a/glcddrivers/st7565r-reel.c +++ b/glcddrivers/st7565r-reel.c @@ -265,21 +265,21 @@ void cDriverST7565RReel::Set8Pixels(int x, int y, unsigned char data) } } -void cDriverST7565RReel::display_cmd( unsigned char cmd) +void cDriverST7565RReel::display_cmd(unsigned char cmd) { unsigned char buf[]={0xa5, 0x05, 3, 0, cmd}; write(fd,buf,5); // syslog(LOG_INFO, "%s: display cmd.\n", cmd); } -void cDriverST7565RReel::display_data( unsigned char *data, int l) +void cDriverST7565RReel::display_data(unsigned char *data, unsigned char l) { - unsigned char buf[64]={0xa5,0x05,l+2,+1}; + unsigned char buf[64]={0xa5,0x05,(unsigned char)(l+2),+1}; memcpy(buf+4,data,l); write(fd,buf,l+4); // syslog(LOG_INFO, "%s: display data.\n", data); } -void cDriverST7565RReel::set_displaymode(int m) +void cDriverST7565RReel::set_displaymode(unsigned char m) { unsigned char buf[]={0xa5,0x09,m}; write(fd,buf,3); @@ -293,7 +293,14 @@ void cDriverST7565RReel::set_clock(void) t=time(0); localtime_r(&t,&tm); - unsigned char buf[]={0xa5,0x7,tm.tm_hour,tm.tm_min,tm.tm_sec,t>>24,t>>16,t>>8,t}; + unsigned char buf[]={0xa5,0x7, + (unsigned char)tm.tm_hour, + (unsigned char)tm.tm_min, + (unsigned char)tm.tm_sec, + (unsigned char)(t>>24), + (unsigned char)(t>>16), + (unsigned char)(t>>8), + (unsigned char)t}; write(fd,buf,9); // syslog(LOG_INFO, "set_clock cmd.\n"); } |