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| author | Joel Bodenmann <joel@unormal.org> | 2014-10-11 23:54:50 +0200 |
|---|---|---|
| committer | Joel Bodenmann <joel@unormal.org> | 2014-10-11 23:54:50 +0200 |
| commit | dc1ff7afa843b08a82874fcab7e06037aa663bac (patch) | |
| tree | e410a4d482f9811a8365d8e4da9f6d5000fd2b13 /drivers | |
| parent | 5b897baae7d6c102e73176e2229b19c70839a26e (diff) | |
| download | uGFX-dc1ff7afa843b08a82874fcab7e06037aa663bac.tar.gz uGFX-dc1ff7afa843b08a82874fcab7e06037aa663bac.tar.bz2 uGFX-dc1ff7afa843b08a82874fcab7e06037aa663bac.zip | |
fixing ADS7843 driver - tested
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ginput/touch/ADS7843/gmouse_lld_ADS7843.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/ginput/touch/ADS7843/gmouse_lld_ADS7843.c b/drivers/ginput/touch/ADS7843/gmouse_lld_ADS7843.c index a58ca938..72cd6f67 100644 --- a/drivers/ginput/touch/ADS7843/gmouse_lld_ADS7843.c +++ b/drivers/ginput/touch/ADS7843/gmouse_lld_ADS7843.c @@ -20,8 +20,9 @@ #define BOARD_DATA_SIZE 0
#endif
-#define CMD_X 0xD1
-#define CMD_Y 0x91
+#define CMD_X 0xD1
+#define CMD_Y 0x91
+#define CMD_ENABLE_IRQ 0x80
void read_xyz(GMouse* m, GMouseReading* pdr)
{
@@ -31,10 +32,18 @@ void read_xyz(GMouse* m, GMouseReading* pdr) pdr->buttons = 0;
if (getpin_pressed()) {
+ pdr->z = 1; // Set to Z_MAX as we are pressed
+
aquire_bus();
- pdr->x = read_value(CMD_X);
- pdr->y = read_value(CMD_Y);
- pdr->z = 1;
+
+ read_value(CMD_X); // Dummy read - disable PenIRQ
+ pdr->x = read_value(CMD_X); // Read X-Value
+
+ read_value(CMD_Y); // Dummy read - disable PenIRQ
+ pdr->y = read_value(CMD_Y); // Read Y-Value
+
+ read_value(CMD_ENABLE_IRQ); // Enable IRQ
+
release_bus();
} else {
// Don't touch x and y values here
|