altos: Add attiny architecture files

[fw/altos] / src / attiny / ao_arch_funcs.h

diff --git a/src/attiny/ao_arch_funcs.h b/src/attiny/ao_arch_funcs.h
new file mode 100644 (file)
index 0000000..8c9d1ae
--- /dev/null
+++ b/src/attiny/ao_arch_funcs.h
@@ -0,0 +1,125 @@
+/*
+ * 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
+ */
+
+#define ao_spi_get_mask(reg,mask,bus,speed) do {       \
+               (reg) &= ~(mask);               \
+       } while (0)
+
+#define ao_spi_put_mask(reg,mask,bus) do {     \
+               (reg) |= (mask);                \
+       } while (0)
+
+#define ao_spi_get_bit(reg,bit,pin,bus,speed) do {     \
+               (pin) = 0;                      \
+       } while (0)
+
+#define ao_spi_put_bit(reg,bit,pin,bus) do {   \
+               (pin) = 1;                      \
+       } while (0)
+
+
+#define ao_gpio_token_paster(x,y)              x ## y
+#define ao_gpio_token_evaluator(x,y)   ao_gpio_token_paster(x,y)
+
+#define ao_gpio_set(port, bit, pin, v) do {    \
+               if (v)                          \
+                       PORTB |= (1 << bit);    \
+               else                            \
+                       PORTB &= ~(1 << bit);   \
+       } 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
+ */
+
+#define ao_enable_output(port, bit, pin, v) do {                       \
+               ao_gpio_set(port, bit, pin, v);                         \
+               ao_gpio_token_evaluator(DDR,port) |= (1 << bit);        \
+       } while (0)
+
+
+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)
+
+void
+ao_spi_init(void);
+
+#define ao_spi_get(bus, speed)
+#define ao_spi_put(bus)
+
+#define ao_spi_init_cs(port, mask) do {                \
+               PORTB |= (mask);                \
+               DDRB |= (mask);         \
+       } while (0)
+
+/* I2C */
+
+void
+ao_i2c_get(uint8_t i2c_index);
+
+uint8_t
+ao_i2c_start_bus(uint8_t address);
+
+#define ao_i2c_start(i,a)      ao_i2c_start_bus(a)
+
+void
+ao_i2c_put(uint8_t i2c_index);
+
+uint8_t
+ao_i2c_send_bus(void *block, uint16_t len, uint8_t stop);
+
+#define ao_i2c_send(b,l,i,s) ao_i2c_send_bus(b,l.s)
+
+uint8_t
+ao_i2c_send_fixed_bus(uint8_t value, uint16_t len, uint8_t stop);
+
+#define ao_i2c_send_fixed(v,l,i,s) ao_i2c_send_fixed_bus(v,l.s)
+
+uint8_t
+ao_i2c_recv_bus(void *block, uint16_t len, uint8_t stop);
+
+#define ao_i2c_recv(b,l,i,s) ao_i2c_recv_bus(b,l.s)
+
+void
+ao_i2c_init(void);
+
+/* notask.c */
+
+uint8_t
+ao_sleep(__xdata void *wchan);
+
+void
+ao_wakeup(__xdata void *wchan);
+
+extern alt_t   ao_max_height;
+
+extern void ao_report_altitude(void);
+
+void ao_delay_us(uint16_t us);
+