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用AVR453开发的电池保护板的C语言程序,希望对大家有用!

<a name="l00243"></a>00243   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00244"></a>00244   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'E'</span>;     <span class="comment">//Erase</span>
<a name="l00245"></a>00245   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#f122e625ae38e7c9c16f6640c651c7e8">TWRX_MEM</a>] = <span class="charliteral">'E'</span>;     <span class="comment">//EEPROM</span>
<a name="l00246"></a>00246   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a27fad614b6b509fe1e28c01adbc15d8">TWRX_LOADDR</a>] = 0xF0;
<a name="l00247"></a>00247   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#b17ffa480c03b59856acae152bb90f90">TWRX_HIADDR</a>] = 0x01;
<a name="l00248"></a>00248   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#e1c495c0dcbb30d80ee447d5a1b98e1d">TWRX_SIZE</a>] = 0x0a;   <span class="comment">//only do 10 bytes (test non-power-of-2 case)</span>
<a name="l00249"></a>00249   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 
<a name="l00252"></a>00252 <span class="keywordtype">void</span> BOOT_TEST_I(<span class="keywordtype">void</span>)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
<a name="l00255"></a>00255   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00256"></a>00256   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'I'</span>;     <span class="comment">//Insert</span>
<a name="l00257"></a>00257   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a27fad614b6b509fe1e28c01adbc15d8">TWRX_LOADDR</a>] = 0;
<a name="l00258"></a>00258   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#b17ffa480c03b59856acae152bb90f90">TWRX_HIADDR</a>] = 0;
<a name="l00259"></a>00259   <span class="keywordflow">for</span>(i=0; i&lt;16; i++)
<a name="l00260"></a>00260     <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#669499aa8e117cb57bed49a47f37fe44">TWRX_DATA</a>+i]=i+33; <span class="comment">//arbitrary data</span>
<a name="l00261"></a>00261   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#6abc3634445e73ac9dfc3663293dede0">TWRX_OFFSET</a>] = 0x33; <span class="comment">//insert data into SRAM buffer starting at arbitrary offset 0x33</span>
<a name="l00262"></a>00262   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#e1c495c0dcbb30d80ee447d5a1b98e1d">TWRX_SIZE</a>] = 16;
<a name="l00263"></a>00263   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 
<a name="l00266"></a>00266 <span class="keywordtype">void</span> BOOT_TEST_WF(<span class="keywordtype">void</span>)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
<a name="l00269"></a>00269   <span class="comment">//Test the Flash Page WRITE functionality (store SRAMbuffer to flash 0x0000-0x007F)</span>
<a name="l00270"></a>00270   <span class="comment">//Fill the buffer before doing WRITE tests.</span>
<a name="l00271"></a>00271   <span class="keywordflow">for</span>(i=0; i&lt;128; i++)
<a name="l00272"></a>00272     <a class="code" href="bootloader__smbus_8c.html#1cd95335409307dbc90c0758d969f5f5">SRAMbuffer</a>[i]=i+33;
<a name="l00273"></a>00273   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00274"></a>00274   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'W'</span>;     <span class="comment">//Write</span>
<a name="l00275"></a>00275   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#f122e625ae38e7c9c16f6640c651c7e8">TWRX_MEM</a>] = <span class="charliteral">'F'</span>;     <span class="comment">//flash</span>
<a name="l00276"></a>00276   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a27fad614b6b509fe1e28c01adbc15d8">TWRX_LOADDR</a>] = 0x80;
<a name="l00277"></a>00277   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#b17ffa480c03b59856acae152bb90f90">TWRX_HIADDR</a>] = 0;
<a name="l00278"></a>00278   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 
<a name="l00281"></a>00281 <span class="keywordtype">void</span> BOOT_TEST_WE(<span class="keywordtype">void</span>)
<a name="l00282"></a>00282 {  <span class="comment">//Test the EEPROM WRITE functionality (store small piece of SRAMbuffer to eeprom 0x1F0-0x1FB)</span>
<a name="l00283"></a>00283   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
<a name="l00284"></a>00284   <span class="comment">//Fill the buffer before doing WRITE tests.</span>
<a name="l00285"></a>00285   <span class="keywordflow">for</span>(i=0; i&lt;128; i++)
<a name="l00286"></a>00286     <a class="code" href="bootloader__smbus_8c.html#1cd95335409307dbc90c0758d969f5f5">SRAMbuffer</a>[i]=i+33;
<a name="l00287"></a>00287   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00288"></a>00288   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'W'</span>;     <span class="comment">//Write</span>
<a name="l00289"></a>00289   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#f122e625ae38e7c9c16f6640c651c7e8">TWRX_MEM</a>] = <span class="charliteral">'E'</span>;     <span class="comment">//EEPROM</span>
<a name="l00290"></a>00290   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a27fad614b6b509fe1e28c01adbc15d8">TWRX_LOADDR</a>] = 0xF0; <span class="comment">//any address is fine...</span>
<a name="l00291"></a>00291   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#b17ffa480c03b59856acae152bb90f90">TWRX_HIADDR</a>] = 0x01;
<a name="l00292"></a>00292   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#6abc3634445e73ac9dfc3663293dede0">TWRX_OFFSET</a>] = 0x33; <span class="comment">//use an arbitrary block from inside the buffer area</span>
<a name="l00293"></a>00293   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#e1c495c0dcbb30d80ee447d5a1b98e1d">TWRX_SIZE</a>] = 0x0c;
<a name="l00294"></a>00294   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 
<a name="l00297"></a>00297 <span class="keywordtype">void</span> BOOT_TEST_PF(<span class="keywordtype">void</span>)
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
<a name="l00300"></a>00300   <span class="comment">//Verify that we can read back FLASH contents via the PATCH command.</span>
<a name="l00301"></a>00301   <span class="comment">//First, clear SRAMbuffer.</span>
<a name="l00302"></a>00302   <span class="keywordflow">for</span>(i=0; i&lt;128; i++)
<a name="l00303"></a>00303     <a class="code" href="bootloader__smbus_8c.html#1cd95335409307dbc90c0758d969f5f5">SRAMbuffer</a>[i] = 0;
<a name="l00304"></a>00304   <span class="comment">//Next, set up the PATCH command</span>
<a name="l00305"></a>00305   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00306"></a>00306   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'P'</span>;     <span class="comment">//Patch</span>
<a name="l00307"></a>00307   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#f122e625ae38e7c9c16f6640c651c7e8">TWRX_MEM</a>] = <span class="charliteral">'F'</span>;     <span class="comment">//flash</span>
<a name="l00308"></a>00308   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a27fad614b6b509fe1e28c01adbc15d8">TWRX_LOADDR</a>] = 0x80; <span class="comment">//any address is fine...</span>
<a name="l00309"></a>00309   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#b17ffa480c03b59856acae152bb90f90">TWRX_HIADDR</a>] = 0x00;
<a name="l00310"></a>00310   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00311"></a>00311 }
<a name="l00312"></a>00312 
<a name="l00313"></a>00313 <span class="keywordtype">void</span> BOOT_TEST_PE(<span class="keywordtype">void</span>)
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
<a name="l00316"></a>00316   <span class="comment">//Verify that we can read back EEPROM contents via the PATCH command.</span>
<a name="l00317"></a>00317   <span class="comment">//First, clear SRAMbuffer.</span>
<a name="l00318"></a>00318   <span class="keywordflow">for</span>(i=0; i&lt;128; i++)
<a name="l00319"></a>00319     <a class="code" href="bootloader__smbus_8c.html#1cd95335409307dbc90c0758d969f5f5">SRAMbuffer</a>[i] = 0;
<a name="l00320"></a>00320   <span class="comment">//Next, set up the PATCH command</span>
<a name="l00321"></a>00321   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00322"></a>00322   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'P'</span>;     <span class="comment">//Patch</span>
<a name="l00323"></a>00323   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#f122e625ae38e7c9c16f6640c651c7e8">TWRX_MEM</a>] = <span class="charliteral">'E'</span>;     <span class="comment">//EEPROM</span>
<a name="l00324"></a>00324   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a27fad614b6b509fe1e28c01adbc15d8">TWRX_LOADDR</a>] = 0xE0; <span class="comment">//address+size must be less than 0x200...</span>
<a name="l00325"></a>00325   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#b17ffa480c03b59856acae152bb90f90">TWRX_HIADDR</a>] = 0x01;
<a name="l00326"></a>00326   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#6abc3634445e73ac9dfc3663293dede0">TWRX_OFFSET</a>] = 0x00; <span class="comment">//read it into the bottom of SRAMbuffer (arbitrary)</span>
<a name="l00327"></a>00327   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#e1c495c0dcbb30d80ee447d5a1b98e1d">TWRX_SIZE</a>] = 0x20;   <span class="comment">//grab any size we want, up to 128 bytes</span>
<a name="l00328"></a>00328   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330 
<a name="l00331"></a>00331 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> bigI;
<a name="l00332"></a>00332 
<a name="l00333"></a>00333 <span class="keywordtype">void</span> BOOT_TEST_bigI(<span class="keywordtype">void</span>)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
<a name="l00336"></a>00336   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#521fb86ea9756dd132e3836b50c259d5">TWRX_BLKCNT</a>] = 32;
<a name="l00337"></a>00337   <a class="code" href="bootloader__smbus_8c.html#72f0b2eb64dd62ffa6bb85ef96947543">TWI_CmdFlags</a> = <a class="code" href="bootloader__smbus_8c.html#07b00aac11ba389d5b53e2f9d54bd0bd">SMB_GotCmdData</a>;
<a name="l00338"></a>00338   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#a6b1406a3ded6ea3def7319dd62d7c8d">TWRX_CMD</a>] = <span class="charliteral">'I'</span>;     <span class="comment">//Insert</span>
<a name="l00339"></a>00339   <span class="keywordflow">for</span>(i=0; i&lt;26; i++)
<a name="l00340"></a>00340     <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#669499aa8e117cb57bed49a47f37fe44">TWRX_DATA</a>+i]=i+1;  <span class="comment">//arbitrary data</span>
<a name="l00341"></a>00341   bigI = i+1;                   <span class="comment">//save for later</span>
<a name="l00342"></a>00342   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#6abc3634445e73ac9dfc3663293dede0">TWRX_OFFSET</a>] = 0;    <span class="comment">//insert data into SRAM buffer starting at arbitrary offset 0x33</span>
<a name="l00343"></a>00343   <a class="code" href="bootloader__smbus_8c.html#49479463989e8f9b15cb6aa66d0667e7">TW_RxBuf</a>[<a class="code" href="bootldr_8h.html#e1c495c0dcbb30d80ee447d5a1b98e1d">TWRX_SIZE</a>] = 128;
<a name="l00344"></a>00344   <a class="code" href="bootloader__smbus_8c.html#fd9b3e99365b45af6cf763b2dda41546">UsePEC</a> = 0;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 
<a name="l00347"></a>00347 <span class="keywordtype">void</span> BOOT_TEST_bigI32(<span class="keywordtype">void</span>)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;