mengdie - 博客园

2015年5月18日

摘要： CMP[.W] Compare source and destinationCMP.B Compare source and destinationSyntax CMP src,dst or CMP.W src,dst CMP.B　src,dstOperatio... 阅读全文

posted @ 2015-05-18 16:41 mengdie 阅读(364) 评论(0) 推荐(0)

2015年5月17日

Assembly之Instruction之Byte and Word

摘要： Byte and word issues The MSP430 is byte-addressed, and little-endian. Word operands must be located at even addresses1 Appending “.b” to an instruct... 阅读全文

posted @ 2015-05-17 22:57 mengdie 阅读(189) 评论(0) 推荐(0)

2015年5月13日

MSP430之section(1)

摘要： 1 Intro The smallest unit of an object file is a section. A section is a block of code or data that occupiescontiguous space in the memory map. .... 阅读全文

posted @ 2015-05-13 16:41 mengdie 阅读(268) 评论(0) 推荐(0)

2015年5月12日

MSP430之software development flow

摘要： MSP430 software development flow. 1) The shaded portion highlights the mostcommon development path; the other portions are optional. 2) The other ... 阅读全文

posted @ 2015-05-12 19:37 mengdie 阅读(178) 评论(0) 推荐(0)

openMSP430之Custom linker script

摘要： The use of the -mmcu switch is of course NOT mandatory. It is simply a convenient way to use the pre-existing linker scripts provided with the MSPGC... 阅读全文

posted @ 2015-05-12 16:01 mengdie 阅读(397) 评论(0) 推荐(0)

2015年5月8日

CDC之Synchronizers

摘要： 1 Scenarios　Two scenarios for passing signals across CDC boundaries: 1)sometimes it's not necessary to sample every value, but be sure that thesampl... 阅读全文

posted @ 2015-05-08 21:18 mengdie 阅读(1147) 评论(0) 推荐(0)

CDC之Metastability

摘要： 1 CDC A clock domain crossing occurs whenever data is transferred from a flop driven by one clock to a flop driven by another clock. Signal A is ... 阅读全文

posted @ 2015-05-08 20:11 mengdie 阅读(288) 评论(0) 推荐(0)

Embedded之Stack之三

摘要： Stack Overflow While stacks are generally large, they don't occupy all of memory. It is possible to run out of stack space. For example, consider th... 阅读全文

posted @ 2015-05-08 16:04 mengdie 阅读(112) 评论(0) 推荐(0)

Embedded之Stack之二

摘要： 1 Function Programming languages make functions easy to maintain and write by giving each function its own section of memory to operate in. For exa... 阅读全文

posted @ 2015-05-08 15:40 mengdie 阅读(182) 评论(0) 推荐(0)

Embedded之Stack之一

摘要： 1 Intro When a program starts executing, a certain contiguous section of memory is set aside for the program called thestack. The stack pointer ... 阅读全文

posted @ 2015-05-08 15:24 mengdie 阅读(133) 评论(0) 推荐(0)