X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdrivers%2Fao_ads1256.h;fp=src%2Fdrivers%2Fao_ads1256.h;h=441392561323d575db46522e3966a6b965c4ee20;hb=125e99e41b0ae92e7b5d24e064df78fb6ee66696;hp=0000000000000000000000000000000000000000;hpb=3a01a7e36dd475adf96468f42c95aa352b5fdf11;p=fw%2Faltos

diff --git a/src/drivers/ao_ads1256.h b/src/drivers/ao_ads1256.h
new file mode 100644
index 00000000..44139256
--- /dev/null
+++ b/src/drivers/ao_ads1256.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2019 Bdale Garbee <bdale@gag.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_ADS1256_H_
+#define _AO_ADS1256_H_
+
+/* commands */
+#define AO_ADS1256_WAKEUP		0x00
+#define AO_ADS1256_RDATA		0x01
+#define AO_ADS1256_RDATAC		0x03
+#define AO_ADS1256_SDATAC		0x0f
+#define AO_ADS1256_RREG			0x10
+#define AO_ADS1256_WREG			0x50
+#define AO_ADS1256_SELFCAL		0xf0
+#define AO_ADS1256_SELFOCAL		0xf1
+#define AO_ADS1256_SELFGCAL		0xf2
+#define AO_ADS1256_SYSOCAL		0xf3
+#define AO_ADS1256_SYSGCAL		0xf4
+#define AO_ADS1256_SYNC			0xfc
+#define AO_ADS1256_STANDBY		0xfd
+#define AO_ADS1256_RESET		0xfe
+#define AO_ADS1256_WAKEUP2		0xff
+
+/* register map */
+#define AO_ADS1256_STATUS	0x00
+#define AO_ADS1256_MUX		0x01
+#define AO_ADS1256_ADCON	0x02
+#define AO_ADS1256_DRATE	0x03
+#define AO_ADS1256_IO		0x04
+#define AO_ADS1256_OFC0		0x05
+#define AO_ADS1256_OFC1		0x06
+#define AO_ADS1256_OFC2		0x07
+#define AO_ADS1256_FSC0		0x08
+#define AO_ADS1256_FSC1		0x09
+#define AO_ADS1256_FSC2		0x0a
+
+struct ao_ads1256_sample {
+	int32_t	ain[AO_ADS1256_CHANNELS];
+};
+
+extern struct ao_ads1256_sample	ao_ads1256_current;
+
+void
+ao_ads1256_init(void);
+
+#endif /* _AO_ADS1256_H_ */