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ASX340AT Datasheet(PDF) 24 Page - ON Semiconductor |
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ASX340AT Datasheet(HTML) 24 Page - ON Semiconductor |
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24 / 54 page  ASX340AT www.onsemi.com 24 Issue the SYSMGR_SET_STATE Command All DevWare presets supplied by ON Semiconductor poll and test the doorbell bit after issuing the command. Therefore there is no need to check if the doorbell bit is clear before issuing the next command. # Set the desired next state in the parameters pool(SYS_STATE_ENTER_CONFIG_CHANGE) REG= 0xFC00, 0x2800 // CMD_HANDLER_PARAMS_POOL_0 # Issue the HC_SYSMGR_SET_STATE command REG= 0x0040, 0x8100 // COMMAND_REGISTER # Wait for the FW to complete the command (clear the Doorbell bit) POLL_FIELD= COMMAND_REGISTER, DOORBELL,!=0, DELAY=10, TIMEOUT=100 # Check the command was successful ERROR_IF= COMMAND_REGISTER, HOST_COMMAND,!=0, ”Set State command failed”, Summary of Host Commands Table13 through Table 21 show summaries of the host commands. The commands are divided into the following sections: • System Manager • Overlay • GPIO • Flash Manager • Sequencer • Patch Loader • Miscellaneous • Calibration Stats Following is a summary of the Host Interface commands. The description gives a quick orientation. The “Type” column shows if it is an asynchronous or synchronous command. For a complete list of all commands including parameters, consult the Host Command Interface Specification document. TABLE 16. SYSTEM MANAGER COMMANDS System Manager Host Command Value Type Description Set State 0x8100 Synchronous Request the system enter a new state Get State 0x8101 Synchronous Get the current state of the system TABLE 17. OVERLAY HOST COMMANDS Overlay Host Command Value Type Description Enable Overlay 0x8200 Synchronous Enable or disable the overlay subsystem Get Overlay State 0x8201 Synchronous Retrieve the state of the overlay subsystem Set Calibration 0x8202 Synchronous Set the calibration offset Set Bitmap Property 0x8203 Synchronous Set a property of a bitmap Get Bitmap Property 0x8204 Synchronous Get a property of a bitmap Set String Property 0x8205 Synchronous Set a property of a character string Load Buffer 0x8206 Asynchronous Load an overlay buffer with a bitmap (from Flash) Load Status 0x8207 Synchronous Retrieve status of an active load buffer operation Write Buffer 0x8208 Synchronous Write directly to an overlay buffer Read Buffer 0x8209 Synchronous Read directly from an overlay buffer Enable Layer 0x820A Synchronous Enable or disable an overlay layer Get Layer Status 0x820B Synchronous Retrieve the status of an overlay layer Set String 0x820C Synchronous Set the character string |
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