yes, this is a problem which (as far as i know) cannot be solved right now. Just use ordinar way to access ADC. ~d
On Monday 03 November 2003 23:24, J.C. Wren wrote: > The following code fragment is from objdump, and demonstrates a > problem. > The bit fields for the ADC registers are being treated as 2 8-bit entities > instead of a single 16 bit entity. As such, the compiler is generating > code to do byte accesses to registers that may be accessed only as words. > > Based on my observations, the MSP430 is simply throwing away the > acceses. > No values are ever being set in the high byte of any of the words. > > These structures are defined in adc12.h, in the include directory. > > --John > > adc12.ctl0.sht0 = 3; // Sample-and-hold times > for channels 0..7 (~6.5us, 4.9152Mhz / 32) > 98be: 3d 40 a1 01 mov #417, r13 ;#0x01a1 > 98c2: 6e 4d mov.b @r13, r14 ; > 98c4: 7e f0 f0 ff and.b #-16, r14 ;#0xfff0 > 98c8: 7e d0 03 00 bis.b #3, r14 ;#0x0003 > 98cc: cd 4e 00 00 mov.b r14, 0(r13) ; > adc12.ctl0.sht1 = 3; // Sample-and-hold times > for channels 8..15 (~6.5us, 4.9152Mhz / 32) > 98d0: 6e 4d mov.b @r13, r14 ; > 98d2: 7e f0 0f 00 and.b #15, r14 ;#0x000f > 98d6: 7e d0 30 00 bis.b #48, r14 ;#0x0030 > 98da: cd 4e 00 00 mov.b r14, 0(r13) ; > > > > ------------------------------------------------------- > This SF.net email is sponsored by: SF.net Giveback Program. > Does SourceForge.net help you be more productive? Does it > help you create better code? SHARE THE LOVE, and help us help > YOU! Click Here: http://sourceforge.net/donate/ > _______________________________________________ > Mspgcc-users mailing list > Mspgcc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mspgcc-users -- /***************************************************************** ("`-''-/").___..--''"`-._ (\ Dimmy the Wild UA1ACZ `6_ 6 ) `-. ( ).`-.__.`) State Polytechnical Univ. (_Y_.)' ._ ) `._ `. ``-..-' Radio-Physics Departament _..`--'_..-_/ /--'_.' ,' Saint Petersburg, Russia (il),-'' (li),' ((!.-' +7 (812) 5403923, 5585314 *****************************************************************/
