Extract slaveI2cErrorBufferToString()

packages/usb/get-slave-i2c-errors.js

@@ -17,20 +17,21 @@ if (status != 0) {
     process.exit(1);
 }
 
-let statusCount = response[1];
+function slaveI2cErrorBufferToString(buffer) {
+    let statusCount = buffer[1];
 
-const slaveIdToName = [
+    const slaveIdToName = [
         'leftHalf',
         'leftAddon',
         'rightAddon',
         'rightLedDriver',
         'leftLedDriver',
         'kboot',
-];
+    ];
 
-let str = `${slaveIdToName[slaveId].padEnd(14)}: `;
+    let str = `${slaveIdToName[slaveId].padEnd(14)}: `;
 
-const statusCodesToStrings = {
+    const statusCodesToStrings = {
         0: 'nak',
         1: 'failure',
         1100: 'busy',
@@ -40,12 +41,16 @@ const statusCodesToStrings = {
         1104: 'timeout',
         20000: 'idleSlave',
         20001: 'idleCycle',
-};
+    };
 
-for (let i=0; i<statusCount; i++) {
-    let status = uhk.getUint32(response, i*8+2);
-    let count = uhk.getUint32(response, i*8+4+2);
+    for (let i=0; i<statusCount; i++) {
+        let status = uhk.getUint32(buffer, i*8+2);
+        let count = uhk.getUint32(buffer, i*8+4+2);
         str += `${statusCodesToStrings[status]}:${count} `;
+    }
+
+    return str;
 }
 
+let str = slaveI2cErrorBufferToString(response);
 console.log(str);