I2S
Collaboration diagram for I2S:
|
Modules | |
| i2s role definition | |
| i2s mode definition | |
| i2s mode definition | |
| i2s slot width definition | |
| i2s interrupt status definition | |
| i2s feature control cmd definition | |
| i2s data enable type | |
Data Structures | |
| struct | bflb_i2s_config_s |
| I2S configuration structure. More... | |
Functions | |
| void | bflb_i2s_init (struct bflb_device_s *dev, const struct bflb_i2s_config_s *config) |
| Initialize i2s. More... | |
| void | bflb_i2s_deinit (struct bflb_device_s *dev) |
| Deinitialize i2s. More... | |
| void | bflb_i2s_link_txdma (struct bflb_device_s *dev, bool enable) |
| Enable i2s tx dma. More... | |
| void | bflb_i2s_link_rxdma (struct bflb_device_s *dev, bool enable) |
| Enable i2s rx dma. More... | |
| void | bflb_i2s_txint_mask (struct bflb_device_s *dev, bool mask) |
| Enable or disable i2s rx fifo threhold interrupt. More... | |
| void | bflb_i2s_rxint_mask (struct bflb_device_s *dev, bool mask) |
| Enable or disable i2s rx fifo threhold interrupt. More... | |
| void | bflb_i2s_errint_mask (struct bflb_device_s *dev, bool mask) |
| Enable or disable i2s error interrupt. More... | |
| uint32_t | bflb_i2s_get_intstatus (struct bflb_device_s *dev) |
| Get i2s interrupt status. More... | |
| int | bflb_i2s_feature_control (struct bflb_device_s *dev, int cmd, size_t arg) |
| Control i2s feature. More... | |
Detailed Description
Function Documentation
◆ bflb_i2s_deinit()
| void bflb_i2s_deinit | ( | struct bflb_device_s * | dev | ) |
Deinitialize i2s.
- Parameters
-
[in] dev device handle
◆ bflb_i2s_errint_mask()
| void bflb_i2s_errint_mask | ( | struct bflb_device_s * | dev, |
| bool | mask | ||
| ) |
Enable or disable i2s error interrupt.
- Parameters
-
[in] dev device handle [in] mask true means disable, false means enable
◆ bflb_i2s_feature_control()
| int bflb_i2s_feature_control | ( | struct bflb_device_s * | dev, |
| int | cmd, | ||
| size_t | arg | ||
| ) |
Control i2s feature.
- Parameters
-
[in] dev device handle [in] cmd feature command, use i2s feature control cmd definition [in] arg user data
- Returns
- A negated errno value on failure.
◆ bflb_i2s_get_intstatus()
| uint32_t bflb_i2s_get_intstatus | ( | struct bflb_device_s * | dev | ) |
Get i2s interrupt status.
- Parameters
-
[in] dev device handle
- Returns
- interrupt status, use i2s interrupt status definition
◆ bflb_i2s_init()
| void bflb_i2s_init | ( | struct bflb_device_s * | dev, |
| const struct bflb_i2s_config_s * | config | ||
| ) |
Initialize i2s.
- Parameters
-
[in] dev device handle [in] config pointer to save i2s config
◆ bflb_i2s_link_rxdma()
| void bflb_i2s_link_rxdma | ( | struct bflb_device_s * | dev, |
| bool | enable | ||
| ) |
Enable i2s rx dma.
- Parameters
-
[in] dev device handle [in] enable true means enable, otherwise disable.
◆ bflb_i2s_link_txdma()
| void bflb_i2s_link_txdma | ( | struct bflb_device_s * | dev, |
| bool | enable | ||
| ) |
Enable i2s tx dma.
- Parameters
-
[in] dev device handle [in] enable true means enable, otherwise disable.
◆ bflb_i2s_rxint_mask()
| void bflb_i2s_rxint_mask | ( | struct bflb_device_s * | dev, |
| bool | mask | ||
| ) |
Enable or disable i2s rx fifo threhold interrupt.
- Parameters
-
[in] dev device handle [in] mask true means disable, false means enable
◆ bflb_i2s_txint_mask()
| void bflb_i2s_txint_mask | ( | struct bflb_device_s * | dev, |
| bool | mask | ||
| ) |
Enable or disable i2s rx fifo threhold interrupt.
- Parameters
-
[in] dev device handle [in] mask true means disable, false means enable
