lis2dh driver: add support for int2 pin

diff --git a/watch-library/driver/lis2dh.c b/watch-library/driver/lis2dh.c
index 2ebf53fbafe2bafdd44143d0dc369e60c05abf79..8266905f862e35dc7418ff61ea41954e34b936a7 100644 (file)
--- a/watch-library/driver/lis2dh.c
+++ b/watch-library/driver/lis2dh.c
@@ -125,3 +125,15 @@ void lis2dh_configure_aoi_int1(lis2dh_interrupt_configuration configuration, uin
 lis2dh_interrupt_state lis2dh_get_int1_state() {
     return (lis2dh_interrupt_state) watch_i2c_read8(LIS2DH_ADDRESS, LIS2DH_REG_INT1_SRC);
 }
+
+void lis2dh_configure_aoi_int2(lis2dh_interrupt_configuration configuration, uint8_t threshold, uint8_t duration) {
+    watch_i2c_write8(LIS2DH_ADDRESS, LIS2DH_REG_CTRL6, LIS2DH_CTRL6_VAL_I2_INT2);
+    watch_i2c_write8(LIS2DH_ADDRESS, LIS2DH_REG_INT2_CFG, configuration);
+    watch_i2c_write8(LIS2DH_ADDRESS, LIS2DH_REG_INT2_THS, threshold);
+    watch_i2c_write8(LIS2DH_ADDRESS, LIS2DH_REG_INT2_DUR, duration);
+}
+
+lis2dh_interrupt_state lis2dh_get_int2_state() {
+    return (lis2dh_interrupt_state) watch_i2c_read8(LIS2DH_ADDRESS, LIS2DH_REG_INT2_SRC);
+}
+

diff --git a/watch-library/driver/lis2dh.h b/watch-library/driver/lis2dh.h
index b8162a4c7fade2c024d3da912ff87bc2ed71f0d3..f3e7ec84697f003c3b3874491977ac86fb8c9cab 100644 (file)
--- a/watch-library/driver/lis2dh.h
+++ b/watch-library/driver/lis2dh.h
@@ -106,6 +106,10 @@ void lis2dh_configure_aoi_int1(lis2dh_interrupt_configuration configuration, uin
 
 lis2dh_interrupt_state lis2dh_get_int1_state();
 
+void lis2dh_configure_aoi_int2(lis2dh_interrupt_configuration configuration, uint8_t threshold, uint8_t duration);
+
+lis2dh_interrupt_state lis2dh_get_int2_state();
+
 // Assumes SA0 is high; if low, its 0x18
 #define LIS2DH_ADDRESS (0x19)
 
@@ -204,6 +208,10 @@ lis2dh_interrupt_state lis2dh_get_int1_state();
 #define LIS2DH_REG_INT1_SRC 0x31
 #define LIS2DH_REG_INT1_THS 0x32
 #define LIS2DH_REG_INT1_DUR 0x33
+#define LIS2DH_REG_INT2_CFG 0x34
+#define LIS2DH_REG_INT2_SRC 0x35
+#define LIS2DH_REG_INT2_THS 0x36
+#define LIS2DH_REG_INT2_DUR 0x37
 #define LIS2DH_REG_CLICK_CFG 0x38
 #define LIS2DH_REG_CLICK_SRC 0x39
 #define LIS2DH_REG_CLICK_THS 0x3A