*/
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);
+extern uint16_t ao_spi_speed[STM_NUM_SPI];
+
void
ao_spi_init(void);
-#define ao_spi_get_mask(reg,mask,bus) do { \
- ao_spi_get(bus); \
- (reg).bsrr = ((uint32_t) mask) << 16; \
+#define ao_spi_get_mask(reg,mask,bus, speed) do { \
+ ao_spi_get(bus, speed); \
+ (reg)->bsrr = ((uint32_t) mask) << 16; \
} while (0)
#define ao_spi_put_mask(reg,mask,bus) do { \
- (reg).bsrr = mask; \
+ (reg)->bsrr = mask; \
ao_spi_put(bus); \
} while (0)
+#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 { \
- if (&(port) == &stm_gpioa) \
+ if ((port) == &stm_gpioa) \
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOAEN); \
- else if (&(port) == &stm_gpiob) \
+ else if ((port) == &stm_gpiob) \
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOBEN); \
- else if (&(port) == &stm_gpioc) \
+ else if ((port) == &stm_gpioc) \
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOCEN); \
- else if (&(port) == &stm_gpiod) \
+ else if ((port) == &stm_gpiod) \
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIODEN); \
- else if (&(port) == &stm_gpioe) \
+ else if ((port) == &stm_gpioe) \
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOEEN); \
} while (0)
+#define ao_enable_output(port,pin,v) do { \
+ ao_enable_port(port); \
+ stm_gpio_set(port, pin, v); \
+ stm_moder_set(port, pin, STM_MODER_OUTPUT); \
+ } while (0)
+
#define ao_enable_cs(port,bit) do { \
- stm_gpio_set(&(port), bit, 1); \
- stm_moder_set(&(port), bit, STM_MODER_OUTPUT); \
+ stm_gpio_set((port), bit, 1); \
+ stm_moder_set((port), bit, STM_MODER_OUTPUT); \
} while (0)
#define ao_spi_init_cs(port, mask) do { \