generated from sirlilpanda/kicad-project-template-actionless
45 lines
2.6 KiB
Zig
45 lines
2.6 KiB
Zig
const sys = @import("sys");
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const errors = @import("error");
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pub const BUS = struct {
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pub fn add(bus_config: ?*const sys.i2c_master_bus_config_t, ret_bus_handle: [*c]sys.i2c_master_bus_handle_t) !void {
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return try errors.espCheckError(sys.i2c_new_master_bus(bus_config, ret_bus_handle));
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}
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pub fn addDevice(bus_handle: sys.i2c_master_bus_handle_t, dev_config: [*c]const sys.i2c_device_config_t, ret_handle: [*c]sys.i2c_master_dev_handle_t) !void {
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return try errors.espCheckError(sys.i2c_master_bus_add_device(bus_handle, dev_config, ret_handle));
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}
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pub fn del(bus_handle: sys.i2c_master_bus_handle_t) !void {
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return try errors.espCheckError(sys.i2c_del_master_bus(bus_handle));
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}
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pub fn removeDevice(handle: sys.i2c_master_dev_handle_t) !void {
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return try errors.espCheckError(sys.i2c_master_bus_rm_device(handle));
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}
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pub fn reset(handle: sys.i2c_master_bus_handle_t) !void {
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return try errors.espCheckError(sys.i2c_master_bus_reset(handle));
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}
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};
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/// Write bytes to an I2C device. Buffer length is taken from the slice.
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pub fn transmit(i2c_dev: sys.i2c_master_dev_handle_t, write_buffer: []const u8, xfer_timeout_ms: c_int) !void {
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return errors.espCheckError(sys.i2c_master_transmit(i2c_dev, write_buffer.ptr, write_buffer.len, xfer_timeout_ms));
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}
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/// Write then read in a single I2C transaction (repeated-start).
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pub fn transmitReceive(i2c_dev: sys.i2c_master_dev_handle_t, write_buffer: []const u8, read_buffer: []u8, xfer_timeout_ms: c_int) !void {
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return errors.espCheckError(sys.i2c_master_transmit_receive(i2c_dev, write_buffer.ptr, write_buffer.len, read_buffer.ptr, read_buffer.len, xfer_timeout_ms));
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}
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/// Read bytes from an I2C device. Buffer length is taken from the slice.
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pub fn receive(i2c_dev: sys.i2c_master_dev_handle_t, read_buffer: []u8, xfer_timeout_ms: c_int) !void {
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return errors.espCheckError(sys.i2c_master_receive(i2c_dev, read_buffer.ptr, read_buffer.len, xfer_timeout_ms));
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}
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pub fn probe(i2c_master: sys.i2c_master_bus_handle_t, address: u16, xfer_timeout_ms: c_int) !void {
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return try errors.espCheckError(sys.i2c_master_probe(i2c_master, address, xfer_timeout_ms));
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}
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pub fn registerEventCallbacks(i2c_dev: sys.i2c_master_dev_handle_t, cbs: [*c]const sys.i2c_master_event_callbacks_t, user_data: ?*anyopaque) !void {
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return try errors.espCheckError(sys.i2c_master_register_event_callbacks(i2c_dev, cbs, user_data));
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}
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pub fn waitAllDone(i2c_master: sys.i2c_master_bus_handle_t, timeout_ms: c_int) !void {
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return try errors.espCheckError(sys.i2c_master_wait_all_done(i2c_master, timeout_ms));
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}
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