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_stm_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_stm_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_stm_enable_port(port); \
+ if (mask & 0x0001) ao_stm_enable_cs(port, 0); \
+ if (mask & 0x0002) ao_stm_enable_cs(port, 1); \
+ if (mask & 0x0004) ao_stm_enable_cs(port, 2); \
+ if (mask & 0x0008) ao_stm_enable_cs(port, 3); \
+ if (mask & 0x0010) ao_stm_enable_cs(port, 4); \
+ if (mask & 0x0020) ao_stm_enable_cs(port, 5); \
+ if (mask & 0x0040) ao_stm_enable_cs(port, 6); \
+ if (mask & 0x0080) ao_stm_enable_cs(port, 7); \
+ if (mask & 0x0100) ao_stm_enable_cs(port, 8); \
+ if (mask & 0x0200) ao_stm_enable_cs(port, 9); \
+ if (mask & 0x0400) ao_stm_enable_cs(port, 10); \
+ if (mask & 0x0800) ao_stm_enable_cs(port, 11); \
+ if (mask & 0x1000) ao_stm_enable_cs(port, 12); \
+ if (mask & 0x2000) ao_stm_enable_cs(port, 13); \
+ if (mask & 0x4000) ao_stm_enable_cs(port, 14); \
+ if (mask & 0x8000) ao_stm_enable_cs(port, 15); \
+ } while (0)
+
/* ao_dma_stm.c
*/
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);
+
+void
+ao_i2c_send(void *block, uint16_t len, uint8_t i2c_index);
+
+void
+ao_i2c_recv(void *block, uint16_t len, uint8_t i2c_index);
+
+void
+ao_i2c_init(void);
+
#endif /* _AO_ARCH_FUNCS_H_ */