* Validates SiRF checksum. * Checksum is sum of all payload bytes & 0x7FFF.
(payload, receivedChecksum)
| 145 | * Checksum is sum of all payload bytes & 0x7FFF. |
| 146 | */ |
| 147 | function validateChecksum(payload, receivedChecksum) { |
| 148 | var sum = 0; |
| 149 | for (var i = 0; i < payload.length; i++) |
| 150 | sum += payload[i]; |
| 151 | |
| 152 | return (sum & 0x7FFF) === receivedChecksum; |
| 153 | } |
| 154 | |
| 155 | //------------------------------------------------------------------------------ |
| 156 | // Frame Parser Function |