read write tests

lib/mcp23008-17.js

@@ -21,7 +21,8 @@ class MCP23008 extends Device {
     } // end constructor
 
   init() {
-    console.log('chip configuration', chip_config.cmd, chipSetByte())
+    // console.log('chip configuration', chip_config.cmd, chipSetByte())
+    // console.log(super.write.toString())
     return super.write(chip_config.cmd, chipSetByte()) // configure chip
       .then(() => { return this.writePinsCfg() })
 
@@ -35,16 +36,16 @@ class MCP23008 extends Device {
       for (let port in this.ports) {
         for (let setting in registers.pin_config) {
           let reg = registers.pin_config[setting]
-          if (port === 'B') { reg = reg + 16 }
+          if (port === 'B') { reg = reg + 0x10 }
           let byte = 0;
           let pins = this.ports[port].allPins
           for (let i = 0; i < 8; i++) {
             let pin = pins[i]
             byte += pin.address.toFmt('DEC') * pin.cfg[setting]
           }
-          //		console.log(`port ${port} - setting ${setting} - reg ${reg} -  byte ${byte}`)
+          // console.log(`port ${port} - setting ${setting} - reg ${reg} -  byte ${byte}`)
           jobs.push(
-            () => super.write(reg, byte) //.then((resp) => console.log(`done writing config ${resp}`))
+            () => super.write(reg, byte) //.then(() => console.log(`done writing config`))
           )
         }
       }
@@ -52,7 +53,7 @@ class MCP23008 extends Device {
     } // end writePinsCfg
 
   // reads all pins in all ports
-  read(cmd, fmt) {
+  readPins(cmd, fmt) {
     let jobs = []
     cmd = cmd ? cmd : 'gpio'
     let reg = registers.pin_cmd[cmd]
@@ -64,10 +65,6 @@ class MCP23008 extends Device {
 
   }
 
-  write() {
-
-  }
-
   pinRead(id, opts) {
       let mcpdev = this;
       return new Promise(function (resolve, reject) {

test/mcp.test.js

@@ -80,10 +80,10 @@
 
  });
 
- const ADDR = 0x20,
+ let ADDR = 0x20,
    W = 0x09,
    R = 0x0A,
-   PINSON = 129,
+   PINSON = 0xa5,
    PINSOFF = 0x00
 
  let testout = new MCP.MCP23008(bus1, ADDR, {
@@ -91,21 +91,47 @@
    name: 'outputs 1-8'
  })
 
- //  let tasks = [
- //    testout.init(),
- //    testout.write(W, PINSON)
- //
- //  ]
+ function tstout() {
+   return testout.init()
+     .then(() => {
+       console.log('testing device write and read')
+       return testout.write(W, PINSON)
+         .then(() => {
+           return testout.read(R)
+             .then((resp) => {
+               console.log('Pins Set On', _u.byteFormat(resp, { in: 'DEC', out: 'PLC' }))
+               return _u.pDelay(1000)
+                 .then(() => {
+                   console.log('Reset Pins')
+                   return testout.write(W, PINSOFF)
+                 })
+             })
+         })
+     })
+     .catch(err => console.log('errors:', err))
+ }
 
- testout.init()
-   .then(() => {
-     return testout.write(W, PINSON)
-       .then(() => {
-         return testout.read(R)
-           .then((resp) => {
-             console.log('Pins Set On', resp)
-             return testout.write(W, PINSOFF)
-           })
-       })
-   })
-   .catch(err => console.log('errors:', err))
+ const
+   ADDR17 = 0x27,
+   port = { A: 0x09, B: 0x19 }
+
+ let testin = new MCP.MCP23017(bus1, ADDR17, {
+   pin_cfg_default: 'toggle_switch',
+   name: 'read inputs 1-16'
+ })
+
+ function tstin(p) {
+   return testin.init()
+     .then(() => {
+       console.log('port', port[p])
+       return testin.read(port[p])
+         .then((resp) => {
+           console.log('Port ', p, ' Pins', _u.byteFormat(resp, { in: 'DEC', out: 'PLC' }))
+         })
+     })
+     .catch(err => console.log('errors:', err))
+ }
+
+ // tstout().then(() => tstin())
+ bus1.qAdd(tstin('A'))
+ bus1.qAdd(tstin('B'))