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libs/stmpe610/include/stmpe610.h

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+/*************************************************** 
+  This is a library for the Adafruit STMPE610 Resistive
+  touch screen controller breakout
+  ----> http://www.adafruit.com/products/1571
+ 
+  Check out the links above for our tutorials and wiring diagrams
+  These breakouts use SPI or I2C to communicate
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+
+/* Adapted for native Mongoose OS by Pim van Pelt <pim@ipng.nl */
+
+#ifndef __STMPE610H_
+#define __STMPE610H_
+
+#define STMPE_ADDR 0x41
+
+#define STMPE_SYS_CTRL1 0x03
+#define STMPE_SYS_CTRL1_RESET 0x02
+#define STMPE_SYS_CTRL2 0x04
+
+#define STMPE_TSC_CTRL 0x40
+#define STMPE_TSC_CTRL_EN 0x01
+#define STMPE_TSC_CTRL_XYZ 0x00
+#define STMPE_TSC_CTRL_XY 0x02
+
+#define STMPE_INT_CTRL 0x09
+#define STMPE_INT_CTRL_POL_HIGH 0x04
+#define STMPE_INT_CTRL_POL_LOW 0x00
+#define STMPE_INT_CTRL_EDGE 0x02
+#define STMPE_INT_CTRL_LEVEL 0x00
+#define STMPE_INT_CTRL_ENABLE 0x01
+#define STMPE_INT_CTRL_DISABLE 0x00
+
+#define STMPE_INT_EN 0x0A
+#define STMPE_INT_EN_TOUCHDET 0x01
+#define STMPE_INT_EN_FIFOTH 0x02
+#define STMPE_INT_EN_FIFOOF 0x04
+#define STMPE_INT_EN_FIFOFULL 0x08
+#define STMPE_INT_EN_FIFOEMPTY 0x10
+#define STMPE_INT_EN_ADC 0x40
+#define STMPE_INT_EN_GPIO 0x80
+
+#define STMPE_INT_STA 0x0B
+#define STMPE_INT_STA_TOUCHDET 0x01
+
+#define STMPE_ADC_CTRL1 0x20
+#define STMPE_ADC_CTRL1_12BIT 0x08
+#define STMPE_ADC_CTRL1_10BIT 0x00
+
+#define STMPE_ADC_CTRL2 0x21
+#define STMPE_ADC_CTRL2_1_625MHZ 0x00
+#define STMPE_ADC_CTRL2_3_25MHZ 0x01
+#define STMPE_ADC_CTRL2_6_5MHZ 0x02
+
+#define STMPE_TSC_CFG 0x41
+#define STMPE_TSC_CFG_1SAMPLE 0x00
+#define STMPE_TSC_CFG_2SAMPLE 0x40
+#define STMPE_TSC_CFG_4SAMPLE 0x80
+#define STMPE_TSC_CFG_8SAMPLE 0xC0
+#define STMPE_TSC_CFG_DELAY_10US 0x00
+#define STMPE_TSC_CFG_DELAY_50US 0x08
+#define STMPE_TSC_CFG_DELAY_100US 0x10
+#define STMPE_TSC_CFG_DELAY_500US 0x18
+#define STMPE_TSC_CFG_DELAY_1MS 0x20
+#define STMPE_TSC_CFG_DELAY_5MS 0x28
+#define STMPE_TSC_CFG_DELAY_10MS 0x30
+#define STMPE_TSC_CFG_DELAY_50MS 0x38
+#define STMPE_TSC_CFG_SETTLE_10US 0x00
+#define STMPE_TSC_CFG_SETTLE_100US 0x01
+#define STMPE_TSC_CFG_SETTLE_500US 0x02
+#define STMPE_TSC_CFG_SETTLE_1MS 0x03
+#define STMPE_TSC_CFG_SETTLE_5MS 0x04
+#define STMPE_TSC_CFG_SETTLE_10MS 0x05
+#define STMPE_TSC_CFG_SETTLE_50MS 0x06
+#define STMPE_TSC_CFG_SETTLE_100MS 0x07
+
+#define STMPE_FIFO_TH 0x4A
+
+#define STMPE_FIFO_SIZE 0x4C 
+
+#define STMPE_FIFO_STA 0x4B
+#define STMPE_FIFO_STA_RESET 0x01
+#define STMPE_FIFO_STA_OFLOW 0x80
+#define STMPE_FIFO_STA_FULL 0x40
+#define STMPE_FIFO_STA_EMPTY 0x20
+#define STMPE_FIFO_STA_THTRIG 0x10
+
+#define STMPE_TSC_I_DRIVE 0x58
+#define STMPE_TSC_I_DRIVE_20MA 0x00
+#define STMPE_TSC_I_DRIVE_50MA 0x01
+
+#define STMPE_TSC_DATA_X 0x4D
+#define STMPE_TSC_DATA_Y 0x4F
+#define STMPE_TSC_FRACTION_Z 0x56
+
+#define STMPE_GPIO_SET_PIN 0x10
+#define STMPE_GPIO_CLR_PIN 0x11
+#define STMPE_GPIO_DIR 0x13
+#define STMPE_GPIO_ALT_FUNCT 0x17
+
+// === Screen orientation constants ===
+enum mgos_stmpe610_rotation_t {
+  STMPE610_PORTRAIT       = 0,
+  STMPE610_LANDSCAPE      = 1,
+  STMPE610_PORTRAIT_FLIP  = 2,
+  STMPE610_LANDSCAPE_FLIP = 3,
+};
+
+enum mgos_stmpe610_touch_t {
+  TOUCH_DOWN = 0,
+  TOUCH_UP = 1,
+};
+
+struct mgos_stmpe610_event_data {
+  enum mgos_stmpe610_touch_t direction;
+  uint16_t x;
+  uint16_t y;
+  uint8_t z;
+  uint8_t length; // Amount of time the TOUCH_DOWN event lasted (always set to 1 for TOUCH_UP)
+};
+
+bool mgos_stmpe610_init(void);
+
+typedef void (*mgos_stmpe610_event_t)(struct mgos_stmpe610_event_data *);
+void mgos_stmpe610_set_handler(mgos_stmpe610_event_t handler);
+void mgos_stmpe610_set_rotation(enum mgos_stmpe610_rotation_t rotation);
+
+#endif // __STMPE610H_