pca9685 - pca9685 16 Road PWM drive steering gear

Adaptation status unknown

Note

This page document is automatically generated by this file. If there is any error, please submit issue or help modify pr, thank you！

Example

--Note: due to the use of sys.wait() all apis need to be used in the coroutine
-- Usage Examples
PROJECT = "pca9685"
VERSION = "1.0.0"


sys = require("sys")
pca9685=require("pca9685")

local i2c_id = 1
sys.taskInit(
    function()
        i2c.setup(i2c_id,i2c.SLOW)
        sys.wait(1000)
        pca9685.init(i2c_id,60)
        sys.wait(1000)
        local i=0
        while true do
            pca9685.setpwm(i2c_id,0,i)
            if i >= 100 then
                i=0
            end
            i=i+10
            sys.wait(2000)
        end
    end
)

sys.run()

pca9685.init(i2cId,hz)

pca9685 Initialization

Parameters

Incoming Value Type	Explanation
int	i2cid i2c id used, or an instance of software i2c
int	hz pca9685 The output frequency

Return Value

return value type	explanation
Return true on success	Return true on failure nil

Examples

None

---

pca9685.setfreq(i2cId,freq)

pca9685 Set frequency

Parameters

Incoming Value Type	Explanation
int	i2cid i2c id used, or an instance of software i2c
int	freq pca9685 The output frequency of the range is 24HZ~1526HZ

Return Value

return value type	explanation
Return true on success	Return true on failure nil

Examples

None

---

pca9685.setpwm(i2cId,num, duty_cycle)

pca9685 Set PWM Duty Cycle

Parameters

Incoming Value Type	Explanation
int	i2cid i2c id used, or an instance of software i2c
int	num Channel number
int	duty_cycle Duty cycle 0~100

Return Value

return value type	explanation
Return true on success	Return true on failure nil

Examples

None

---