void
ao_spi_send(void *block, uint16_t len, uint8_t spi_index);
+void
+ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
+
void
ao_spi_recv(void *block, uint16_t len, 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); \
+ (reg)->bsrr = ((uint32_t) mask) << 16; \
+ } while (0)
+
+#define ao_spi_put_mask(reg,mask,bus) do { \
+ (reg)->bsrr = mask; \
+ 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_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+
+#define ao_enable_port(port) do { \
+ if ((port) == &stm_gpioa) \
+ stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOAEN); \
+ else if ((port) == &stm_gpiob) \
+ stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOBEN); \
+ else if ((port) == &stm_gpioc) \
+ stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOCEN); \
+ else if ((port) == &stm_gpiod) \
+ stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIODEN); \
+ 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); \
+ } while (0)
+
+#define ao_spi_init_cs(port, mask) do { \
+ ao_enable_port(port); \
+ if ((mask) & 0x0001) ao_enable_cs(port, 0); \
+ if ((mask) & 0x0002) ao_enable_cs(port, 1); \
+ if ((mask) & 0x0004) ao_enable_cs(port, 2); \
+ if ((mask) & 0x0008) ao_enable_cs(port, 3); \
+ if ((mask) & 0x0010) ao_enable_cs(port, 4); \
+ if ((mask) & 0x0020) ao_enable_cs(port, 5); \
+ if ((mask) & 0x0040) ao_enable_cs(port, 6); \
+ if ((mask) & 0x0080) ao_enable_cs(port, 7); \
+ if ((mask) & 0x0100) ao_enable_cs(port, 8); \
+ if ((mask) & 0x0200) ao_enable_cs(port, 9); \
+ if ((mask) & 0x0400) ao_enable_cs(port, 10);\
+ if ((mask) & 0x0800) ao_enable_cs(port, 11);\
+ if ((mask) & 0x1000) ao_enable_cs(port, 12);\
+ if ((mask) & 0x2000) ao_enable_cs(port, 13);\
+ if ((mask) & 0x4000) ao_enable_cs(port, 14);\
+ if ((mask) & 0x8000) ao_enable_cs(port, 15);\
+ } while (0)
+
/* ao_dma_stm.c
*/
uint32_t ccr);
void
-ao_dma_set_isr(uint8_t index, void (*isr)(void));
+ao_dma_set_isr(uint8_t index, void (*isr)(int index));
void
ao_dma_start(uint8_t index);
void
ao_dma_init(void);
+/* ao_i2c_stm.c */
+
+void
+ao_i2c_get(uint8_t i2c_index);
+
+uint8_t
+ao_i2c_start(uint8_t i2c_index, uint16_t address);
+
+void
+ao_i2c_put(uint8_t i2c_index);
+
+uint8_t
+ao_i2c_send(void *block, uint16_t len, uint8_t i2c_index, uint8_t stop);
+
+uint8_t
+ao_i2c_recv(void *block, uint16_t len, uint8_t i2c_index, uint8_t stop);
+
+void
+ao_i2c_init(void);
+
#endif /* _AO_ARCH_FUNCS_H_ */