Danville Signal Processing dspstak 21262sx User Manual
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Contents
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System CommandsStatusDescription: Peripheral Microcontroller StatusCommand: AnyStatus is automatically updated each time a packet is transmitted by the DSP. It isreported in Byte 1 in the next packet. This means that the status reported in the veryfirst packet may not be valid.Status is only valid up to the point of the completion of the previous command. So, ifthe last command was 2 weeks ago, the status bits will be two weeks old. Unless youare doing commands regularly, it's best to always do a PM_Cmd_NOP before youread the status bits.Status Bits:Bit 0: UART RX Data AvailableBit 1: UART TX Space AvailableBit 2: -- ReservedBit 3: -- ReservedBit 4: UART Overrun (Reset using PM_Cmd_COM_RESET)Bit 5: -- ReservedBit 6: EE Busy (Write in progress, will ignore any write attempts)Bit 7: WDT Reset (The last reset was due to a watchdog timer timeout)1 = TRUE, 0 = FALSEPM_Cmd_NOPDescription: No OperationCommand: 0x00Data: Don’t CareResponse: 0x00The NOP command is a good way to get the status of the Peripheral Microcontrollerwithout any other action.dspstak™ 21262sx User Manual Page 22 |
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