diff options
Diffstat (limited to '')
| -rw-r--r-- | drv_LCDLinux.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/drv_LCDLinux.c b/drv_LCDLinux.c index 5111f91..e24e905 100644 --- a/drv_LCDLinux.c +++ b/drv_LCDLinux.c @@ -63,7 +63,6 @@ static char Name[] = "LCD-Linux"; static char Device[] = "/dev/lcd"; static int lcdlinux_fd = -1; -static int raw_mode = 0; /****************************************/ @@ -96,7 +95,7 @@ static void drv_LL_send(const char *string, const int len) static void drv_LL_clear(void) { /* No return value check since this ioctl cannot fail */ - ioctl(lcdlinux_fd, IOCTL_CLEAR_DISP); + ioctl(lcdlinux_fd, LCDL_CLEAR_DISP); } @@ -113,20 +112,17 @@ static void drv_LL_write(const int row, const int col, const char *data, int len static void drv_LL_defchar(const int ascii, const unsigned char *matrix) { - char buffer[8]; - int pos = 1024 + ascii; + char buf[9]; int i; - for (i = 0; i < 8; i++) { - buffer[i] = *matrix++ & 0x1f; + buf[0] = ascii; + for (i = 1; i < 9; i++) { + buf[i] = *matrix++ & 0x1f; } - if (lseek(lcdlinux_fd, pos, SEEK_SET) == (off_t) - 1) { - error("%s: lseek(%s) failed: %s", Name, Device, strerror(errno)); + if (ioctl(lcdlinux_fd, LCDL_SET_CGRAM_CHAR, &buf) != 0) { + error("%s: ioctl(LCDL_SET_CGRAM_CHAR) failed: %s", Name, strerror(errno)); } - - drv_LL_send(buffer, 8); - } @@ -160,20 +156,25 @@ static int drv_LL_start(const char *section, const int quiet) /* get display size */ memset(&buf, 0, sizeof(buf)); - if (ioctl(lcdlinux_fd, IOCTL_GET_PARAM, &buf) != 0) { - error("%s: ioctl(IOCTL_GET_PARAM) failed: %s", Name, strerror(errno)); + if (ioctl(lcdlinux_fd, LCDL_GET_PARAM, &buf) != 0) { + error("%s: ioctl(LCDL_GET_PARAM) failed: %s", Name, strerror(errno)); error("%s: Could not query display information!", Name); return -1; } - info("%s: %dx%d display with %d controllers, flags=0x%02x:", + info("%s: %dx%d display with %d controllers, flags=0x%02lx:", Name, buf.cntr_cols, buf.cntr_rows, buf.num_cntr, buf.flags); - info("%s: busy-flag checking %sabled", Name, buf.flags & HD44780_CHECK_BF ? "en" : "dis"); - info("%s: bus width %d bits", Name, buf.flags & HD44780_4BITS_BUS ? 4 : 8); - info("%s: font size %s", Name, buf.flags & HD44780_5X10_FONT ? "5x10" : "5x8"); - - + info("%s: busy-flag checking %sabled", Name, (buf.flags & HD44780_CHECK_BF) ? "en" : "dis"); + info("%s: bus width %d bits", Name, (buf.flags & HD44780_4BITS_BUS) ? 4 : 8); + info("%s: font size %s", Name, (buf.flags & HD44780_5X10_FONT) ? "5x10" : "5x8"); /* overwrite width size from lcd4linux.conf */ + if (buf.vs_rows || buf.vs_cols) { + info("%s: disabling virtual screen", Name); + buf.vs_rows = 0; + buf.vs_cols = 0; + commit = 1; + } + if ((rows > 0 && rows != buf.cntr_rows) || (cols > 0 && cols != buf.cntr_cols)) { info("%s: changing size to %dx%d", Name, cols, rows); buf.cntr_rows = rows; @@ -208,8 +209,8 @@ static int drv_LL_start(const char *section, const int quiet) commit = 1; } - if (commit && ioctl(lcdlinux_fd, IOCTL_SET_PARAM, &buf) != 0) { - error("%s: ioctl(IOCTL_SET_PARAM) failed: %s", Name, strerror(errno)); + if (commit && ioctl(lcdlinux_fd, LCDL_SET_PARAM, &buf) != 0) { + error("%s: ioctl(LCDL_SET_PARAM) failed: %s", Name, strerror(errno)); return -1; } @@ -218,8 +219,7 @@ static int drv_LL_start(const char *section, const int quiet) /* Disable control characters interpretation. */ /* No return value check since this ioctl cannot fail */ - raw_mode = 1; - ioctl(lcdlinux_fd, IOCTL_RAW_MODE, &raw_mode); + ioctl(lcdlinux_fd, LCDL_RAW_MODE, 1); if (!quiet) { char buffer[40]; @@ -350,8 +350,7 @@ int drv_LL_quit(const int quiet) /* Enable control characters interpretation. */ /* No return value check since this ioctl cannot fail */ - raw_mode = 0; - ioctl(lcdlinux_fd, IOCTL_RAW_MODE, &raw_mode); + ioctl(lcdlinux_fd, LCDL_RAW_MODE, 0); /* close device */ close(lcdlinux_fd); |