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| author | H. Nikolaus Schaller <hns@goldelico.com> | 2011-12-08 07:56:31 +0100 |
|---|---|---|
| committer | H. Nikolaus Schaller <hns@goldelico.com> | 2011-12-08 07:56:31 +0100 |
| commit | 05815bfdc77807192eb5246953202742c4f42385 (patch) | |
| tree | 2c99606e7d4de050ac670876aeda9f7ae5955113 /board/goldelico/gta04/tsc2007.c | |
| parent | e17fde7c50b8c54967450c7aea465e7e6bcb29dd (diff) | |
| download | bootable_bootloader_goldelico_gta04-05815bfdc77807192eb5246953202742c4f42385.zip bootable_bootloader_goldelico_gta04-05815bfdc77807192eb5246953202742c4f42385.tar.gz bootable_bootloader_goldelico_gta04-05815bfdc77807192eb5246953202742c4f42385.tar.bz2 | |
big collective commit - see diff what has been changed
Diffstat (limited to 'board/goldelico/gta04/tsc2007.c')
| -rw-r--r-- | board/goldelico/gta04/tsc2007.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/board/goldelico/gta04/tsc2007.c b/board/goldelico/gta04/tsc2007.c index 430ecbc..b2a0cfa 100644 --- a/board/goldelico/gta04/tsc2007.c +++ b/board/goldelico/gta04/tsc2007.c @@ -155,3 +155,27 @@ void print_adc(void) read_adc(7)); } +int pendown(int *x, int *y) +{ +#if 1 + int z; + int xx; + int yy; + xx=read_adc(0); + yy=read_adc(1); + z=read_adc(2); // read Z + if(z < 0) + return 0; // read error +#if 0 + printf("z=%04d x:%04d y:%04d\n", z, xx, yy); +#endif + if(x) *x=xx; + if(y) *y=yy; + udelay(10000); // reduce I2C traffic and debounce... + return z > 200; // was pressed +#else + // must be in PENIRQ mode... + return (status_get_buttons() & (1 << 4)) == 0; +#endif +} + |