i2c_setup()

I2C通信设定

Description

void i2c_setup(int $i2c_id, int $saddr[, string $mode = “sm”])

Parameters

$i2c_id: SPI账号
$saddr: slave的账号
$mode: SPI模式(标准模式 - sm, 高速模式 - fm)

I2C mode notation clock speed

standard sm 100Kbps

fast fm 400Kbps

Return Value

none

Example

<?php
include "/lib/sd_340.php";
i2c_setup(0, 0x1e);          // configuring I2C slave address (0x0E)
i2c_setup(0, 0x1e, "fm");      // configuring I2C slave address (0x0E) and fast mode
?>

See also