diff options
| author | Che-Liang Chiou <clchiou@chromium.org> | 2011-10-20 23:04:22 +0000 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2011-11-15 23:58:27 +0100 |
| commit | a2a5729fc1247bb45d794e9d731c0b03bf58096f (patch) | |
| tree | a89f1b03ebc2e3987b8068aefe0f0a30c1c357c4 /examples/api | |
| parent | d3983ee85325d2be730830ebcf82585ee7cd2ecb (diff) | |
api: export LCD device to external apps
This patch exports LCD info-query and bitmap-rendering functions to
external apps.
This patch is tested on a Seaboard. Because the LCD driver is not yet
upstreamed, the test was done in a local downstream repo.
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Diffstat (limited to 'examples/api')
| -rw-r--r-- | examples/api/demo.c | 31 | ||||
| -rw-r--r-- | examples/api/glue.c | 31 | ||||
| -rw-r--r-- | examples/api/glue.h | 5 |
3 files changed, 67 insertions, 0 deletions
diff --git a/examples/api/demo.c b/examples/api/demo.c index 65e7491847..19d38f6955 100644 --- a/examples/api/demo.c +++ b/examples/api/demo.c @@ -48,6 +48,7 @@ int main(int argc, char * const argv[]) ulong start, now; struct device_info *di; lbasize_t rlen; + struct display_info disinfo; if (!api_search_sig(&sig)) return -1; @@ -176,6 +177,36 @@ int main(int argc, char * const argv[]) while ((env = ub_env_enum(env)) != NULL) printf("%s = %s\n", env, ub_env_get(env)); + printf("\n*** Display ***\n"); + + if (ub_display_get_info(DISPLAY_TYPE_LCD, &disinfo)) { + printf("LCD info: failed\n"); + } else { + printf("LCD info:\n"); + printf(" pixel width: %d\n", disinfo.pixel_width); + printf(" pixel height: %d\n", disinfo.pixel_height); + printf(" screen rows: %d\n", disinfo.screen_rows); + printf(" screen cols: %d\n", disinfo.screen_cols); + } + if (ub_display_get_info(DISPLAY_TYPE_VIDEO, &disinfo)) { + printf("video info: failed\n"); + } else { + printf("video info:\n"); + printf(" pixel width: %d\n", disinfo.pixel_width); + printf(" pixel height: %d\n", disinfo.pixel_height); + printf(" screen rows: %d\n", disinfo.screen_rows); + printf(" screen cols: %d\n", disinfo.screen_cols); + } + + printf("*** Press any key to continue ***\n"); + printf("got char 0x%x\n", ub_getc()); + + /* + * This only clears messages on screen, not on serial port. It is + * equivalent to a no-op if no display is available. + */ + ub_display_clear(); + /* reset */ printf("\n*** Resetting board ***\n"); ub_reset(); diff --git a/examples/api/glue.c b/examples/api/glue.c index eff6a7e62f..d907e3f287 100644 --- a/examples/api/glue.c +++ b/examples/api/glue.c @@ -402,3 +402,34 @@ const char * ub_env_enum(const char *last) return env_name; } + +/**************************************** + * + * display + * + ****************************************/ + +int ub_display_get_info(int type, struct display_info *di) +{ + int err = 0; + + if (!syscall(API_DISPLAY_GET_INFO, &err, (uint32_t)type, (uint32_t)di)) + return API_ESYSC; + + return err; +} + +int ub_display_draw_bitmap(ulong bitmap, int x, int y) +{ + int err = 0; + + if (!syscall(API_DISPLAY_DRAW_BITMAP, &err, bitmap, x, y)) + return API_ESYSC; + + return err; +} + +void ub_display_clear(void) +{ + syscall(API_DISPLAY_CLEAR, NULL); +} diff --git a/examples/api/glue.h b/examples/api/glue.h index 6bf47d07c8..e43f7d9941 100644 --- a/examples/api/glue.h +++ b/examples/api/glue.h @@ -77,4 +77,9 @@ int ub_dev_send(int handle, void *buf, int len); int ub_dev_recv(int handle, void *buf, int len, int *rlen); struct device_info * ub_dev_get(int); +/* display */ +int ub_display_get_info(int type, struct display_info *di); +int ub_display_draw_bitmap(ulong bitmap, int x, int y); +void ub_display_clear(void); + #endif /* _API_GLUE_H_ */ |