1 files changed, 108 insertions, 0 deletions
diff --git a/src/cc1111/ao_arch_funcs.h b/src/cc1111/ao_arch_funcs.h
new file mode 100644
index 00000000..8f1cc094
--- /dev/null
+++ b/src/cc1111/ao_arch_funcs.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright © 2012 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; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+/*
+ * ao_spi.c
+ */
+
+extern __xdata uint8_t	ao_spi_mutex;
+
+#define AO_SPI_SPEED_FAST	17
+#define AO_SPI_SPEED_200kHz	13
+
+#define ao_spi_set_speed(speed) (U0GCR = (UxGCR_CPOL_NEGATIVE |		\
+					  UxGCR_CPHA_FIRST_EDGE |	\
+					  UxGCR_ORDER_MSB |		\
+					  ((speed) << UxGCR_BAUD_E_SHIFT)))
+
+#define ao_spi_get_slave(bus) do {			\
+		ao_mutex_get(&ao_spi_mutex);		\
+		ao_spi_set_speed(AO_SPI_SPEED_FAST);	\
+	} while (0)
+
+#define ao_spi_put_slave(bus) do {		\
+		ao_mutex_put(&ao_spi_mutex);	\
+	} while (0)
+
+#define ao_spi_get_mask(reg,mask,bus,speed) do {	\
+		ao_mutex_get(&ao_spi_mutex);		\
+		ao_spi_set_speed(speed);		\
+		(reg) &= ~(mask);			\
+	} while (0)
+
+#define ao_spi_put_mask(reg,mask,bus) do {		\
+	(reg) |= (mask); \
+	ao_mutex_put(&ao_spi_mutex); \
+	} while (0)
+
+
+#define ao_spi_get_bit(reg,bit,pin,bus,speed) do {	\
+		ao_mutex_get(&ao_spi_mutex);	\
+		ao_spi_set_speed(speed);	\
+		pin = 0;			\
+	} while (0)
+
+#define ao_spi_put_bit(reg,bit,pin,bus) do {	\
+		pin = 1;			\
+		ao_mutex_put(&ao_spi_mutex);	\
+	} while (0)
+
+
+/*
+ * The SPI mutex must be held to call either of these
+ * functions -- this mutex covers the entire SPI operation,
+ * from chip select low to chip select high
+ */
+
+void
+ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant;
+
+void
+ao_spi_recv_bus(void __xdata *block, uint16_t len) __reentrant;
+
+#define ao_spi_send(block, len, bus) ao_spi_send_bus(block, len)
+#define ao_spi_recv(block, len, bus) ao_spi_recv_bus(block, len)
+
+#if AO_SPI_SLAVE
+void
+ao_spi_send_wait(void);
+
+void
+ao_spi_recv_wait(void);
+#endif
+
+void
+ao_spi_init(void);
+
+#define ao_spi_init_cs(port, mask) do {		\
+		SPI_CS_PORT |= mask;		\
+		SPI_CS_DIR |= mask;		\
+		SPI_CS_SEL &= ~mask;		\
+	} while (0)
+
+#define cc1111_enable_output(port,dir,sel,pin,bit,v) do {	\
+		pin = v;					\
+		dir |= (1 << bit);				\
+		sel &= ~(1 << bit);				\
+	} while (0)
+
+#define disable_unreachable	_Pragma("disable_warning 126")
+
+#define token_paster(x,y)	x ## y
+#define token_evaluator(x,y)	token_paster(x,y)
+#define ao_enable_output(port,bit,pin,v) cc1111_enable_output(port,token_evaluator(port,DIR), token_evaluator(port,SEL), pin, bit, v)
+#define ao_gpio_set(port, bit, pin, v) ((pin) = (v))