pdock 60 test task
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#ifndef GS_UTIL_DRIVERS_I2C_COMMON_H
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#define GS_UTIL_DRIVERS_I2C_COMMON_H
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/* Copyright (c) 2013-2018 GomSpace A/S. All rights reserved. */
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/**
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@file
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Common (master and slave) I2C definitions.
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*/
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#include <gs/util/log.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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Default log group for I2C driver.
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*/
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GS_LOG_GROUP_EXTERN(gs_i2c_log);
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/**
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I2C mode.
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*/
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typedef enum {
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//! Master mode
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GS_I2C_MASTER = 0,
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//! Multimaster mode
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GS_I2C_MULTI_MASTER = 1,
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//! Slave mode
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GS_I2C_SLAVE = 2,
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} gs_i2c_mode_t;
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/**
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Cross-platform I2C configuration.
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*/
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typedef struct {
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//! Data order, True: MSB first, False: LSB first (default = True)
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bool data_order_msb;
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//! Device mode (master, multimaster, or slave)
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gs_i2c_mode_t mode;
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//! Address of node in multimaster and slave mode (not used in master mode)
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uint16_t addr;
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//! Bits per second (default is #GS_I2C_DEFAULT_BPS)
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uint32_t bps;
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//! Address size in bits, 7, 8 or 10 bits (default/prefered is #GS_I2C_DEFAULT_ADDRESS_SIZE)
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uint8_t addrbits;
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} gs_i2c_config_t;
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/**
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Cross-platform I2C configuration.
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@deprecated use gs_i2c_config_t.
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*/
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typedef gs_i2c_config_t gs_i2c_bus_config_t;
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/**
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Default bit-rate.
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*/
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#define GS_I2C_DEFAULT_BPS 100000
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/**
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Default address size.
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*/
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#define GS_I2C_DEFAULT_ADDRESS_SIZE 7
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/**
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Default data order (MSB).
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*/
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#define GS_I2C_DEFAULT_DATA_ORDER_MSB 1
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/**
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Speed (command line sub-option).
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*/
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#define GS_I2C_COMMAND_LINE_SPEED "speed"
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/**
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Device (command line sub-option).
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*/
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#define GS_I2C_COMMAND_LINE_DEVICE "device"
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/**
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Address (command line sub-option).
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*/
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#define GS_I2C_COMMAND_LINE_ADDRESS "address"
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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -1,32 +0,0 @@
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#ifndef GS_UTIL_DRIVERS_I2C_MASTER_H
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#define GS_UTIL_DRIVERS_I2C_MASTER_H
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/* Copyright (c) 2013-2018 GomSpace A/S. All rights reserved. */
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/**
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@file
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I2C master interface.
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*/
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#include <gs/util/drivers/i2c/common.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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Perform transaction to I2C slave.
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@param[in] device hardware device (bus)
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@param[in] addr slave address
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@param[in] tx transmit buffer
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@param[in] txlen number of bytes to transmit
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@param[out] rx receive buffer - can be NULL.
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@param[in] rxlen number of bytes to receive.
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@param[in] timeout_ms timeout in milliseconds, primarily for locking the I2C channel.
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@return_gs_error_t
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*/
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gs_error_t gs_i2c_master_transaction(uint8_t device, uint8_t addr, const void * tx, size_t txlen, void * rx, size_t rxlen, int timeout_ms);
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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -1,79 +0,0 @@
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#ifndef GS_UTIL_DRIVERS_I2C_SLAVE_H
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#define GS_UTIL_DRIVERS_I2C_SLAVE_H
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/* Copyright (c) 2013-2017 GomSpace A/S. All rights reserved. */
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/**
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@file
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I2C slave interface.
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*/
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#include <gs/util/drivers/i2c/common.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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Start/enable I2C bus reception.
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Reception should not automatically be enabled by their init() functions, as this will complicate adding additional layers/hooks.
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@param[in] device I2C bus (handle)
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@return_gs_error_t
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*/
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gs_error_t gs_i2c_slave_start(uint8_t device);
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/**
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Rx callback.
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Function called when data has been received on the bus (I2C write operation complete).
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@param[in] device I2C bus (handle).
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@param[in] rx receive buffer.
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@param[in] rx_length number of bytes received.
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@param_cswitch
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*/
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typedef void (* gs_i2c_slave_receive_t)(uint8_t device, const uint8_t * rx, size_t rx_length, gs_context_switch_t * cswitch);
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/**
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Set rx callback.
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@param[in] device I2C bus (handle).
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@param[in] rx Rx callback.
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@return_gs_error_t
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*/
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gs_error_t gs_i2c_slave_set_rx(uint8_t device, gs_i2c_slave_receive_t rx);
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/**
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Get rx buffer callback.
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Function called from driver, for getting a pointer to the rx buffer.
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@param[in] device I2C bus (handle).
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*/
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typedef void * (* gs_i2c_slave_get_rx_buf_t)(uint8_t device);
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/**
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Set rx buffer get callback.
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@param[in] device I2C bus (handle).
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@param[in] get_rx_buf get rx buffer callback.
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@param[in] buf_length length of buffer retrieved with this callback.
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@return_gs_error_t
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*/
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gs_error_t gs_i2c_slave_set_get_rx_buf(uint8_t device, gs_i2c_slave_get_rx_buf_t get_rx_buf, size_t buf_length);
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/**
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Set response data.
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@param[in] device I2C bus (handle).
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@param[in] tx pointer to data. NOTE: data is not copied due to performance, so data must stay valid until the response has been sent.
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@param[in] tx_length length of data.
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@return_gs_error_t
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*/
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gs_error_t gs_i2c_slave_set_response(uint8_t device, const uint8_t * tx, size_t tx_length);
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#ifdef __cplusplus
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}
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#endif
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#endif
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