*/
extern uint8_t ao_spi_mutex[STM_NUM_SPI];
+#define AO_SPI_SPEED_FAST STM_SPI_CR1_BR_PCLK_4
+#define AO_SPI_SPEED_1MHz STM_SPI_CR1_BR_PCLK_16
+#define AO_SPI_SPEED_200kHz STM_SPI_CR1_BR_PCLK_256
+
void
-ao_spi_get(uint8_t spi_index);
+ao_spi_get(uint8_t spi_index, uint32_t speed);
void
ao_spi_put(uint8_t spi_index);
void
ao_spi_duplex(void *out, void *in, uint16_t len, uint8_t spi_index);
-#define AO_SPI_SPEED_FAST STM_SPI_CR1_BR_PCLK_16
-#define AO_SPI_SPEED_200kHz STM_SPI_CR1_BR_PCLK_256
-
extern uint16_t ao_spi_speed[STM_NUM_SPI];
-#define ao_spi_slow(bus) (ao_spi_speed[bus] = AO_SPI_SPEED_200kHz)
-
-#define ao_spi_fast(bus) (ao_spi_speed[bus] = AO_SPI_SPEED_FAST)
-
void
ao_spi_init(void);
-#define ao_spi_get_mask(reg,mask,bus) do { \
- ao_spi_get(bus); \
+#define ao_spi_get_mask(reg,mask,bus, speed) do { \
+ ao_spi_get(bus, speed); \
(reg)->bsrr = ((uint32_t) mask) << 16; \
} while (0)
ao_spi_put(bus); \
} while (0)
-#define ao_spi_get_bit(reg,bit,pin,bus) ao_spi_get_mask(reg,(1<<bit),bus)
+#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
#define ao_enable_port(port) do { \