LPC Microcontrollers中的主题 IAP call from assembler https://community.nxp.com/t5/LPC-Microcontrollers/IAP-call-from-assembler/m-p/525934#M8570 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by IanB on Mon Nov 16 13:21:37 MST 2015</STRONG><BR /><SPAN>If I wanted to call the IAP (EEPROM write) routine from assembler, is the following correct?</SPAN><BR /><TABLE border="1"><TBODY><TR><TD bgcolor="#cacaca"> <PRE> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .equ&nbsp; iaplocation,0x1fff1ff1 command: .space 20 result: .space 16 </PRE> </TD></TR></TBODY></TABLE><BR /><SPAN>Command number, eeprom address, RAM address, number of bytes and clock frequency then go in command, command+4, command+8, command+12 and command+16 respectively</SPAN><BR /><TABLE border="1"><TBODY><TR><TD bgcolor="#cacaca"> <PRE> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LDR R0,=command &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LDR R1,=result &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BL iaplocation </PRE> </TD></TR></TBODY></TABLE><BR /></BODY></HTML> Wed, 15 Jun 2016 16:57:26 GMT lpcware 2016-06-15T16:57:26Z IAP call from assembler https://community.nxp.com/t5/LPC-Microcontrollers/IAP-call-from-assembler/m-p/525934#M8570 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by IanB on Mon Nov 16 13:21:37 MST 2015</STRONG><BR /><SPAN>If I wanted to call the IAP (EEPROM write) routine from assembler, is the following correct?</SPAN><BR /><TABLE border="1"><TBODY><TR><TD bgcolor="#cacaca"> <PRE> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .equ&nbsp; iaplocation,0x1fff1ff1 command: .space 20 result: .space 16 </PRE> </TD></TR></TBODY></TABLE><BR /><SPAN>Command number, eeprom address, RAM address, number of bytes and clock frequency then go in command, command+4, command+8, command+12 and command+16 respectively</SPAN><BR /><TABLE border="1"><TBODY><TR><TD bgcolor="#cacaca"> <PRE> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LDR R0,=command &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LDR R1,=result &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BL iaplocation </PRE> </TD></TR></TBODY></TABLE><BR /></BODY></HTML> Wed, 15 Jun 2016 16:57:26 GMT https://community.nxp.com/t5/LPC-Microcontrollers/IAP-call-from-assembler/m-p/525934#M8570 lpcware 2016-06-15T16:57:26Z