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| author | Tectu <joel@unormal.org> | 2012-08-16 03:26:02 -0700 |
|---|---|---|
| committer | Tectu <joel@unormal.org> | 2012-08-16 03:26:02 -0700 |
| commit | df680e6d6e6b791534c970dee313b492e829b6e4 (patch) | |
| tree | f7413c4ef23867e5679a96aab63d7b44e6883274 /src | |
| parent | 2d8c4a825de421f1d045433478e65da31d551d06 (diff) | |
| parent | 0b8c95ab207a474e9b1c28c89c8848e6d0992974 (diff) | |
| download | uGFX-df680e6d6e6b791534c970dee313b492e829b6e4.tar.gz uGFX-df680e6d6e6b791534c970dee313b492e829b6e4.tar.bz2 uGFX-df680e6d6e6b791534c970dee313b492e829b6e4.zip | |
Merge pull request #43 from abhishek-kakkar/master
Touchpad Updates
Diffstat (limited to 'src')
| -rw-r--r-- | src/touchpad.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/touchpad.c b/src/touchpad.c index 977bb31c..a18930da 100644 --- a/src/touchpad.c +++ b/src/touchpad.c @@ -69,13 +69,13 @@ static uint16_t _tpReadRealX(void) { uint32_t results = 0; uint16_t i, x; + /* Median filtering is already done in LLD */ for(i = 0; i < CONVERSIONS; i++) { - tp_lld_read_x(); /* dummy, reduce noise on SPI */ results += tp_lld_read_x(); - } + } - // 12-bit - x = (((SCREEN_WIDTH-1) * (results/CONVERSIONS)) / 2048); + /* Take the average of the readings */ + x = results / CONVERSIONS; return x; } @@ -89,13 +89,13 @@ static uint16_t _tpReadRealY(void) { uint32_t results = 0; uint16_t i, y; + /* Median filtering is already done in LLD */ for(i = 0; i < CONVERSIONS; i++) { - tp_lld_read_y(); /* dummy, reduce noise on SPI */ results += tp_lld_read_y(); - } + } - // 12-bit - y = (((SCREEN_HEIGHT-1) * (results/CONVERSIONS)) / 2048); + /* Take the average of the readings */ + y = results / CONVERSIONS; return y; } @@ -135,7 +135,7 @@ static void _tpDrawCross(uint16_t x, uint16_t y) { * * @api */ -void tpInit(TOUCHPADDriver *tp) { +void tpInit(const TOUCHPADDriver *tp) { /* Initialise Mutex */ //MUTEX_INIT |