altos: Add SPI slave get/put macros to cc1111

[fw/altos] / src / cc1111 / ao_arch_funcs.h

diff --git a/src/cc1111/ao_arch_funcs.h b/src/cc1111/ao_arch_funcs.h
index 9ad14fbbad0144e4b960c32be95a82244c293a67..5e2fc13db1ab808f8a6e5eda1607d5fe871626d5 100644 (file)
--- a/src/cc1111/ao_arch_funcs.h
+++ b/src/cc1111/ao_arch_funcs.h
@@ -21,26 +21,47 @@
 
 extern __xdata uint8_t ao_spi_mutex;
 
-#define ao_spi_get_mask(reg,mask) do {\
-       ao_mutex_get(&ao_spi_mutex); \
-       (reg) &= ~(mask); \
+#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_put_mask(reg,mask) do { \
+#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(bit) do {\
-       ao_mutex_get(&ao_spi_mutex); \
-       (bit) = 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(bit) do { \
-       (bit) = 1; \
-       ao_mutex_put(&ao_spi_mutex); \
+#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,
@@ -48,11 +69,32 @@ extern __xdata uint8_t      ao_spi_mutex;
  */
 
 void
-ao_spi_send(void __xdata *block, uint16_t len) __reentrant;
+ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant;
 
 void
-ao_spi_recv(void __xdata *block, uint16_t len) __reentrant;
+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_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))