gap8/pmsis/include/pmsis/implem/hal/udma/udma_core.h File Reference

Macros
#define	UDMA_MAX_SIZE_LOG2
#define	UDMA_MAX_SIZE

Enumerations
enum	udma_channel_e

Functions
static void	udma_init_device (uint32_t device_id)
static void	udma_enqueue_channel (udma_core_t *udma_struct, uint32_t addr, uint32_t size, uint32_t config, udma_channel_e channel)
static void	udma_channel_clear (udma_core_t *udma, udma_channel_e channel)
static uint32_t	udma_channel_busy_get (udma_core_t *udma, udma_channel_e channel)
static void	udma_deinit_device (uint32_t device_id)

Macro Definition Documentation

#define UDMA_MAX_SIZE

Referenced by __pi_uart_copy_exec().

#define UDMA_MAX_SIZE_LOG2

Small low level driver for udma core main functionnalities

Enumeration Type Documentation

enum udma_channel_e

Enumerator
RX_CHANNEL
TX_CHANNEL
COMMAND_CHANNEL
RX_CHANNEL
TX_CHANNEL
CMD_CHANNEL

Function Documentation

static uint32_t udma_channel_busy_get ( udma_core_t *  udma, udma_channel_e  channel  )

inlinestatic

References hal_read32(), udma_core_t::rx_cfg, RX_CHANNEL, udma_core_t::tx_cfg, TX_CHANNEL, UDMA_CORE_RX_CFG_PENDING_MASK, UDMA_CORE_RX_CFG_PENDING_SHIFT, UDMA_CORE_TX_CFG_PENDING_MASK, and UDMA_CORE_TX_CFG_PENDING_SHIFT.

Referenced by __pi_spi_freq_cb().

static void udma_channel_clear ( udma_core_t *  udma, udma_channel_e  channel  )

inlinestatic

References hal_write32(), udma_core_t::rx_cfg, RX_CHANNEL, udma_core_t::tx_cfg, TX_CHANNEL, UDMA_CORE_RX_CFG_CLR, and UDMA_CORE_TX_CFG_CLR.

Referenced by hal_uart_rx_clear(), hal_uart_tx_clear(), and i2s_udma_clear().

static void udma_deinit_device ( uint32_t  device_id )

inlinestatic

References udma_ctrl_cg_enable().

Referenced by __pi_cpi_close(), __pi_i2c_close(), __pi_i2s_close(), and pi_hyper_close().

static void udma_enqueue_channel ( udma_core_t *  udma_struct, uint32_t  addr, uint32_t  size, uint32_t  config, udma_channel_e  channel  )

inlinestatic

References hal_write32(), udma_core_t::rx_cfg, RX_CHANNEL, udma_core_t::rx_saddr, udma_core_t::rx_size, udma_core_t::tx_cfg, TX_CHANNEL, udma_core_t::tx_saddr, and udma_core_t::tx_size.

Referenced by cpi_udma_channel_set(), dmacpy_udma_channel_set(), hyper_udma_channel_set(), i2c_udma_channel_set(), i2s_udma_channel_set(), spim_enqueue_channel(), and uart_udma_channel_set().

static void udma_init_device ( uint32_t  device_id )

inlinestatic

References udma_ctrl_cg_disable().

Referenced by __pi_cpi_open(), __pi_i2c_open(), __pi_i2s_open(), and pi_hyper_open().