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| author | Tectu <joel@unormal.org> | 2013-03-19 23:22:38 -0700 |
|---|---|---|
| committer | Tectu <joel@unormal.org> | 2013-03-19 23:22:38 -0700 |
| commit | 5aed05bbcfc5762d18f41bd29c972d8ae3ae7a5a (patch) | |
| tree | 44a3f97edb6a56e32d1d5001d5c69bd6b301cb90 /drivers/ginput/touch/STMPE811/ginput_lld_mouse.c | |
| parent | 38e55c392163c564121d344db6325e6d4780a406 (diff) | |
| parent | 5062603188f9d107ff460eb6485430c153126706 (diff) | |
| download | uGFX-5aed05bbcfc5762d18f41bd29c972d8ae3ae7a5a.tar.gz uGFX-5aed05bbcfc5762d18f41bd29c972d8ae3ae7a5a.tar.bz2 uGFX-5aed05bbcfc5762d18f41bd29c972d8ae3ae7a5a.zip | |
Merge pull request #44 from resset/master
STMPE811: I2C reading routine
Diffstat (limited to 'drivers/ginput/touch/STMPE811/ginput_lld_mouse.c')
| -rw-r--r-- | drivers/ginput/touch/STMPE811/ginput_lld_mouse.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/ginput/touch/STMPE811/ginput_lld_mouse.c b/drivers/ginput/touch/STMPE811/ginput_lld_mouse.c index b2f7ba76..bdae310e 100644 --- a/drivers/ginput/touch/STMPE811/ginput_lld_mouse.c +++ b/drivers/ginput/touch/STMPE811/ginput_lld_mouse.c @@ -57,24 +57,25 @@ static void setActiveWindow(uint16_t bl_x, uint16_t bl_y, uint16_t tr_x, uint16_ void ginput_lld_mouse_init(void) {
init_board();
- write_reg(STMPE811_REG_SYS_CTRL1, 1, 0x02); // software chip reset
- write_reg(STMPE811_REG_SYS_CTRL2, 1, 0x04); // temp. sensor clock on, GPIO clock off, touch clock on, ADC clock on
- write_reg(STMPE811_REG_INT_EN, 1, 0x03); //0x03
- write_reg(STMPE811_REG_ADC_CTRL1, 1, 0x49); //ADC conversion time = 80 clock ticks, 12-bit ADC, internacl voltage refernce
-
- chThdSleepMicroseconds(1000);
-
- write_reg(STMPE811_REG_ADC_CTRL2, 1, 0x01); //ADC speed 3.25MHz
- write_reg(STMPE811_REG_GPIO_AF, 1, 0x00); //GPIO alternate function - OFF
- write_reg(STMPE811_REG_TSC_CFG, 1, 0xA3); //avaraging 4, Touch detect delay 1ms, Panel driver settling time 1ms
- write_reg(STMPE811_REG_FIFO_TH, 1, 0x01); //FIFO trashold =1
- write_reg(STMPE811_REG_FIFO_STA, 1, 0x01); //FIFO reset enable
- write_reg(STMPE811_REG_FIFO_STA, 1, 0x00); //FIFO reset disable
- write_reg(STMPE811_REG_TSC_FRACT_XYZ, 1, 0x07); //Z axis data format
- write_reg(STMPE811_REG_TSC_I_DRIVE, 1, 0x01); //50mA touchscreen line current
- write_reg(STMPE811_REG_TSC_CTRL, 1, 0x03); //X&Y only, TSC enable
- write_reg(STMPE811_REG_INT_STA, 1, 0xFF); //clear all interrupts
- write_reg(STMPE811_REG_INT_CTRL, 1, 0x01); //level interrupt, enable intrrupts
+ write_reg(STMPE811_REG_SYS_CTRL1, 1, 0x02); // Software chip reset
+ write_reg(STMPE811_REG_SYS_CTRL2, 1, 0x0C); // Temp. sensor clock off, GPIO clock off, touch clock on, ADC clock on
+ write_reg(STMPE811_REG_INT_EN, 1, 0x03); // Interrupt on INT pin when FIFO is equal or above threshold value OR touch is detected
+ write_reg(STMPE811_REG_ADC_CTRL1, 1, 0x48); // ADC conversion time = 80 clock ticks, 12-bit ADC, internaal voltage refernce
+
+ chThdSleepMilliseconds(2);
+
+ write_reg(STMPE811_REG_ADC_CTRL2, 1, 0x01); // ADC speed 3.25MHz
+ write_reg(STMPE811_REG_GPIO_AF, 1, 0x00); // GPIO alternate function - OFF
+ // @TODO: decide which value should STMPE811_REG_TSC_CFG have - either 0x9A or from comment;)
+ write_reg(STMPE811_REG_TSC_CFG, 1, 0x9A); // Averaging 4, Touch detect delay 1ms, Panel driver settling time 1ms
+ write_reg(STMPE811_REG_FIFO_TH, 1, 0x01); // FIFO threshold =1
+ write_reg(STMPE811_REG_FIFO_STA, 1, 0x01); // FIFO reset enable
+ write_reg(STMPE811_REG_FIFO_STA, 1, 0x00); // FIFO reset disable
+ write_reg(STMPE811_REG_TSC_FRACT_XYZ, 1, 0x07); // Z axis data format
+ write_reg(STMPE811_REG_TSC_I_DRIVE, 1, 0x01); // 50mA touchscreen line current
+ write_reg(STMPE811_REG_TSC_CTRL, 1, 0x03); // X&Y only, TSC enable
+ write_reg(STMPE811_REG_INT_STA, 1, 0xFF); // Clear all interrupts
+ write_reg(STMPE811_REG_INT_CTRL, 1, 0x01); // Level interrupt, enable intrrupts
}
/**
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