Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos

[fw/altos] / src / drivers / ao_adxl375.h

diff --git a/src/drivers/ao_adxl375.h b/src/drivers/ao_adxl375.h
new file mode 100644 (file)
index 0000000..a1ed216
--- /dev/null
+++ b/src/drivers/ao_adxl375.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef _AO_ADXL375_H_
+#define _AO_ADXL375_H_
+
+#define AO_ADXL375_READ                        0x80    /* read mode */
+#define AO_ADXL375_MULTI_BYTE          0x40    /* multi-byte mode */
+
+#define AO_ADXL375_DEVID               0x00
+#define  AO_ADXL375_DEVID_ID                   0xe5
+#define AO_ADXL375_THRESH_SHOCK                0x1d
+#define AO_ADXL375_OFSX                        0x1e
+#define AO_ADXL375_OFSY                        0x1f
+#define AO_ADXL375_OFSZ                        0x20
+#define AO_ADXL375_DUR                 0x21
+#define AO_ADXL375_LATENT              0x22
+#define AO_ADXL375_WINDOW              0x23
+#define AO_ADXL375_THRESH_ACT          0x24
+#define AO_ADXL375_THRESH_INACT                0x25
+#define AO_ADXL375_TIME_INACT          0x26
+#define AO_ADXL375_ACT_INACT_CTL       0x27
+#define AO_ADXL375_SHOCK_AXES          0x2a
+#define AO_ADXL375_ACT_SHOCK_STATUS    0x2b
+#define AO_ADXL375_BW_RATE             0x2c
+
+#define  AO_ADXL375_BW_RATE_LOW_POWER          4
+#define  AO_ADXL375_BW_RATE_RATE               0
+#define   AO_ADXL375_BW_RATE_RATE_3200         0xf
+#define   AO_ADXL375_BW_RATE_RATE_1600         0xe
+#define   AO_ADXL375_BW_RATE_RATE_800          0xd
+#define   AO_ADXL375_BW_RATE_RATE_400          0xc
+#define   AO_ADXL375_BW_RATE_RATE_200          0xb
+#define   AO_ADXL375_BW_RATE_RATE_100          0xa
+#define   AO_ADXL375_BW_RATE_RATE_50           0x9
+#define   AO_ADXL375_BW_RATE_RATE_25           0x8
+#define   AO_ADXL375_BW_RATE_RATE_12_5         0x7
+#define   AO_ADXL375_BW_RATE_RATE_6_25         0x6
+#define   AO_ADXL375_BW_RATE_RATE_3_13         0x5
+#define   AO_ADXL375_BW_RATE_RATE_1_56         0x4
+#define   AO_ADXL375_BW_RATE_RATE_0_78         0x3
+#define   AO_ADXL375_BW_RATE_RATE_0_39         0x2
+#define   AO_ADXL375_BW_RATE_RATE_0_20         0x1
+#define   AO_ADXL375_BW_RATE_RATE_0_10         0x0
+
+#define AO_ADXL375_POWER_CTL           0x2d
+#define  AO_ADXL375_POWER_CTL_LINK             5
+#define  AO_ADXL375_POWER_CTL_AUTO_SLEEP       4
+#define  AO_ADXL375_POWER_CTL_MEASURE          3
+#define  AO_ADXL375_POWER_CTL_SLEEP            2
+#define  AO_ADXL375_POWER_CTL_WAKEUP           0
+#define  AO_ADXL375_POWER_CTL_WAKEUP_8                 0
+#define  AO_ADXL375_POWER_CTL_WAKEUP_4                 1
+#define  AO_ADXL375_POWER_CTL_WAKEUP_2                 2
+#define  AO_ADXL375_POWER_CTL_WAKEUP_1                 3
+
+#define AO_ADXL375_INT_ENABLE          0x2e
+#define AO_ADXL375_INT_MAP             0x2f
+#define AO_ADXL375_INT_SOURCE          0x30
+#define AO_ADXL375_DATA_FORMAT         0x31
+# define AO_ADXL375_DATA_FORMAT_FIXED          0x0b    /* these bits must be set to 1 */
+# define AO_ADXL375_DATA_FORMAT_SELF_TEST      7
+# define AO_ADXL375_DATA_FORMAT_SPI            6
+# define  AO_ADXL375_DATA_FORMAT_SPI_3_WIRE            0
+# define  AO_ADXL375_DATA_FORMAT_SPI_4_WIRE            1
+# define AO_ADXL375_DATA_FORMAT_INT_INVERT     5
+# define AO_ADXL375_DATA_FORMAT_JUSTIFY                2
+#define AO_ADXL375_DATAX0              0x32
+#define AO_ADXL375_DATAX1              0x33
+#define AO_ADXL375_DATAY0              0x34
+#define AO_ADXL375_DATAY1              0x35
+#define AO_ADXL375_DATAZ0              0x36
+#define AO_ADXL375_DATAZ1              0x37
+#define AO_ADXL375_FIFO_CTL            0x38
+#define  AO_ADXL375_FIFO_CTL_FIFO_MODE         6
+#define   AO_ADXL375_FIFO_CTL_FIFO_MODE_BYPASS         0
+#define   AO_ADXL375_FIFO_CTL_FIFO_MODE_FIFO           1
+#define   AO_ADXL375_FIFO_CTL_FIFO_MODE_STREAM         2
+#define   AO_ADXL375_FIFO_CTL_FIFO_MODE_TRIGGER                3
+#define  AO_ADXL375_FIFO_CTL_TRIGGER           5
+#define  AO_ADXL375_FIFO_CTL_SAMPLES           0
+
+#define AO_ADXL375_FIFO_STATUS         0x39
+
+struct ao_adxl375_sample {
+       int16_t x;
+       int16_t y;
+       int16_t z;
+};
+
+extern struct ao_adxl375_sample        ao_adxl375_current;
+
+void
+ao_adxl375_init(void);
+
+#endif /* _AO_ADXL375_H_ */