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Make accelerometer work, interrup driven tilt change mode

Nils Faerber authored on 05/05/2013 21:22:33
Showing 1 changed files
metawatch/mw_acc.h
History View file @ 133faed
... ... 
@@ -99,11 +99,22 @@
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 #define TFUM (1 << 0)
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 /* INT_SRC_REG2 */
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-#define INT_TAP_SINGLE (0x04)
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-#define INT_TAP_DOUBLE (0x08)
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+#define INT_TPS		0x01
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+#define INT_WUFS	0x02
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+#define INT_TAP_SINGLE	0x04
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+#define INT_TAP_DOUBLE	0x08
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+#define INT_DRDY	0x10
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-/* for readability */
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-#define ONE_BYTE ( 1 )
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-#endif
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+void mw_acc_init_i2c(void);
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+void mw_acc_disable_i2c(void);
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+void mw_acc_i2c_read(const uint8_t RegisterAddress, uint8_t *pData, const uint8_t Length);
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+void mw_acc_i2c_write(uint8_t RegisterAddress, uint8_t *pData, uint8_t Length);
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+
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+void mw_acc_init(void);
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+void mw_acc_enable(void);
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+void mw_acc_disable(void);
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+void mw_acc_read(int16_t *x, int16_t *y, int16_t *z);
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+void mw_acc_handle_irq(void);
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+#endif
Browse code

Start support for the accelerometer, change text position for clock setup

Nils Faerber authored on 04/05/2013 22:31:14
Showing 1 changed files
metawatch/mw_acc.h
History View file @ 6029630
1 1 
new file mode 100644
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@@ -0,0 +1,109 @@
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+#ifndef _MW_ACC_H
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+#define _MW_ACC_H
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+
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+#define KIONIX_DEVICE_ADDRESS ( 0x0F )
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+
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+/* KIONIX accelerometer register addresses */
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+#define KIONIX_XOUT_HPF_L        ( 0x00 )
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+#define KIONIX_XOUT_HPF_H        ( 0x01 )
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+#define KIONIX_YOUT_HPF_L        ( 0x02 )
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+#define KIONIX_YOUT_HPF_H        ( 0x03 )
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+#define KIONIX_ZOUT_HPF_L        ( 0x04 )
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+#define KIONIX_ZOUT_HPF_H        ( 0x05 )
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+#define KIONIX_XOUT_L            ( 0x06 )
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+#define KIONIX_XOUT_H            ( 0x07 )
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+#define KIONIX_YOUT_L            ( 0x08 )
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+#define KIONIX_YOUT_H            ( 0x09 )
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+#define KIONIX_ZOUT_L            ( 0x0A )
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+#define KIONIX_ZOUT_H            ( 0x0B )
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+#define KIONIX_DCST_RESP         ( 0x0C )
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+#define KIONIX_WHO_AM_I          ( 0x0F )
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+#define KIONIX_TILT_POS_CUR      ( 0x10 )
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+#define KIONIX_TILT_POS_PRE      ( 0x11 )
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+#define KIONIX_INT_SRC_REG1      ( 0x15 )
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+#define KIONIX_INT_SRC_REG2      ( 0x16 )
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+#define KIONIX_STATUS_REG        ( 0x18 )
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+#define KIONIX_INT_REL           ( 0x1A )
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+#define KIONIX_CTRL_REG1         ( 0x1B )
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+#define KIONIX_CTRL_REG2         ( 0x1C )
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+#define KIONIX_CTRL_REG3         ( 0x1D )
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+#define KIONIX_INT_CTRL_REG1     ( 0x1E )
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+#define KIONIX_INT_CTRL_REG2     ( 0x1F )
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+#define KIONIX_INT_CTRL_REG3     ( 0x20 )
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+#define KIONIX_DATA_CTRL_REG     ( 0x21 )
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+#define KIONIX_TILT_TIMER        ( 0x28 )
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+#define KIONIX_WUF_TIMER         ( 0x29 )
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+#define KIONIX_TDT_TIMER         ( 0x2B )
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+#define KIONIX_TDT_H_THRESH      ( 0x2C )
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+#define KIONIX_TDT_L_THRESH      ( 0x2D )
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+#define KIONIX_TDT_TAP_TIMER     ( 0x2E )
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+#define KIONIX_TDT_TOTAL_TIMER   ( 0x2F )
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+#define KIONIX_TDT_LATENCY_TIMER ( 0x30 )
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+#define KIONIX_TDT_WINDOW_TIMER  ( 0x31 )
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+#define KIONIX_SELF_TEST         ( 0x3A )
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+#define KIONIX_WUF_THRESH        ( 0x5A )
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+#define KIONIX_TILT_ANGLE        ( 0x5C )
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+#define KIONIX_HYST_SET          ( 0x5F )
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+
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+/* CTRL_REG1 */
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+#define PC1_STANDBY_MODE     ( 0 << 7 )
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+#define PC1_OPERATING_MODE   ( 1 << 7 )
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+#define RESOLUTION_8BIT      ( 0 << 6 )
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+#define RESOLUTION_12BIT     ( 1 << 6 )
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+#define DRDYE_DATA_AVAILABLE ( 1 << 5 )
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+#define WUF_ENABLE           ( 1 << 1 )
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+#define TAP_ENABLE_TDTE      ( 1 << 2 )
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+#define TILT_ENABLE_TPE      ( 1 << 0 )
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+
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+/* CTRL_REG2 */
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+#define TILT_LEM (1 << 5 )
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+#define TILT_RIM (1 << 4 )
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+#define TILT_DOM (1 << 3 )
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+#define TILT_UPM (1 << 2 )
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+#define TILT_FDM (1 << 1 )
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+#define TILT_FUM (1 << 0 )
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+
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+/* CTRL_REG3 */
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+#define SRST               ( 1 << 7 )
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+#define TILT_ODR_1_6HZ     ( 0 << 5 )
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+#define TILT_ODR_6_3HZ     ( 1 << 5 )
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+#define TILT_ODR_12_5HZ    ( 2 << 5 )
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+#define TILT_ODR_50HZ      ( 3 << 5 )
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+#define DCST               ( 1 << 4 )
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+#define TAP_ODR_50HZ       ( 0 << 2 )
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+#define TAP_ODR_100HZ      ( 1 << 2 )
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+#define TAP_ODR_200HZ      ( 2 << 2 )
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+#define TAP_ODR_400HZ      ( 3 << 2 )
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+#define WUF_ODR_25HZ       ( 0 << 0 )
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+#define WUF_ODR_50HZ       ( 1 << 0 )
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+#define WUF_ODR_100HZ      ( 2 << 0 )
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+#define WUF_ODR_200HZ      ( 3 << 0 )
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+
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+/* INT_CTRL_REG1 */
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+#define IEN ( 1 << 5 )
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+#define IEA ( 1 << 4 )
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+#define IEL ( 1 << 3 )
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+#define IEU ( 1 << 2 )
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+
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+/* INT_CTRL_REG2 */
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+#define XBW ( 1 << 7 )
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+#define YBW ( 1 << 6 )
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+#define ZBW ( 1 << 5 )
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+
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+/* INT_CTRL_REG3 */
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+#define TLEM (1 << 5)
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+#define TRIM (1 << 4)
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+#define TDOM (1 << 3)
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+#define TUPM (1 << 2)
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+#define TFDM (1 << 1)
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+#define TFUM (1 << 0)
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+
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+/* INT_SRC_REG2 */
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+#define INT_TAP_SINGLE (0x04)
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+#define INT_TAP_DOUBLE (0x08)
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+
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+/* for readability */
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+#define ONE_BYTE ( 1 )
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+
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+#endif
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+