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Flash.c
资源名称：VsonBryanFaxConexant070517.rar　[点击查看]
上传用户：xhjmsc
上传日期：2019-09-13
资源大小：389k
文件大小：9k
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传真(Fax)编程

开发平台：

C/C++

Flash.c：源码内容
  1. //Flash model HY27UF081G2M
  3. #include "includeH.h"
  6. //***********************************************************************************
  7. /*
  8. void FlashPageCopy(void)
  9. {
  10.         unsigned char ucFlashSttsOverflowCnt=0;
  11.         COMMAND_VAL=0x00; //#0X00 //00H READ1 0-527BYTE
  12. COMMAND_LATCH_INTO();
  13. //ADDRESS
  14. ADDRESS_VALUE=COLUMN_ADDRESS_LOW; //#0X00
  15. ADDRESS_LATCH_INTO();
  17. ADDRESS_VALUE=COLUMN_ADDRESS_HIGH; //#0X00
  18. ADDRESS_LATCH_INTO();
  20. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  21. ADDRESS_LATCH_INTO();
  23. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  24. ADDRESS_LATCH_INTO();
  25. FLASH_CON_PORT_OUT &=~ ALE;
  27. COMMAND_VAL=0X35;
  28. COMMAND_LATCH_INTO();
  29. //ATcmdDelay();
  30. while((FLASH_CON_PORT_IN & RB)==0);
  31.   
  32.         COMMAND_VAL=0x85;
  33. COMMAND_LATCH_INTO();
  35. //ADDRESS
  36. ADDRESS_VALUE=COLUMN_ADDRESS_LOW; //#0X00
  37. ADDRESS_LATCH_INTO();
  39. ADDRESS_VALUE=COLUMN_ADDRESS_HIGH; //#0X00
  40. ADDRESS_LATCH_INTO();
  42. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  43. ADDRESS_LATCH_INTO();
  45. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  46. ADDRESS_LATCH_INTO();
  48. FLASH_CON_PORT_OUT &=~ ALE;
  50. COMMAND_VAL=cFlashWriteInitiateCmd; //10H INITIATES PROGRAM
  51. COMMAND_LATCH_INTO();
  53. READ_STATUS();
  54. ucFlashSttsOverflowCnt=0;
  55. if(FLASH_STATUS==1&&(ucFlashSttsOverflowCnt++)<2)
  56. {
  57. ;
  58. }
  59. }
  60. */
  61. //***********************************************************************************
  62. void ZERO_ADDRESS(void)
  63. {
  64. COLUMN_ADDRESS_LOW=0X00;
  65. COLUMN_ADDRESS_HIGH=0X00;
  66. ROW_ADDRESS_LOW=0X00;
  67. ROW_ADDRESS_HIGH=0X00;
  68. }
  70. void ERASE_ONE_BLOCK(void)
  71. {
  72.                 unsigned int wGeneralCount = 0;
  73. //COMMAND
  74. Flash_Reset();
  76. COMMAND_VAL=0X60;
  77. COMMAND_LATCH_INTO();
  79. //ADDRESS
  80. /* ADDRESS_VALUE=COLUMN_ADDRESS_LOW; //#0X00
  81. ADDRESS_LATCH_INTO();
  83. ADDRESS_VALUE=COLUMN_ADDRESS_HIGH; //#0X00
  84. ADDRESS_LATCH_INTO();                 */ //a bug of Sep. 15
  86. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  87. ADDRESS_LATCH_INTO();
  89. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  90. ADDRESS_LATCH_INTO();
  91. FLASH_CON_PORT_OUT &=~ ALE;
  93. COMMAND_VAL=0XD0;
  94. COMMAND_LATCH_INTO();
  95. //delay1ms();
  97. READ_STATUS();
  98. while(wGeneralCount++<0xffff) //Jan. 18, 2007
  99. {if (FLASH_STATUS==0) break;}
  101. }
  103. //***********************************************************************************
  105. void PROGRAM_ONE_PAGE(unsigned char ucFlashWriteData)
  106. {
  107.     unsigned int wByteCount;
  108.     unsigned char ucFlashSttsOverflowCnt=0;
  109. //COMMAND
  110. COMMAND_VAL=cFlashWriteCmd;
  111. COMMAND_LATCH_INTO();
  113. //ADDRESS
  114. ADDRESS_VALUE=0;//COLUMN_ADDRESS_LOW; //#0X00
  115. ADDRESS_LATCH_INTO();
  117. ADDRESS_VALUE=0;//COLUMN_ADDRESS_HIGH; //#0X00
  118. ADDRESS_LATCH_INTO();
  120. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  121. ADDRESS_LATCH_INTO();
  123. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  124. ADDRESS_LATCH_INTO();
  126. FLASH_CON_PORT_OUT &=~ ALE;
  127. //CALL DELAY_100US
  128. //for(wGeneralCnt=0;wGeneralCnt<0xff;wGeneralCnt++); //delay
  130. DATA_PORT_OUT_INITIAL;
  131. for(wByteCount=0;wByteCount<2112;wByteCount++)
  132. {
  133. //FLASH_WRITE_DATA=0x55;
  134. //WRITE_ONE_DATA();
  135. FLASH_CON_PORT_OUT&=~WE;
  136.   DATA_PORT_OUT=ucFlashWriteData;
  137.   FLASH_CON_PORT_OUT |= WE;
  138. }
  140. COMMAND_VAL=cFlashWriteInitiateCmd; //10H INITIATES PROGRAM
  141. COMMAND_LATCH_INTO();
  143. READ_STATUS();
  144. ucFlashSttsOverflowCnt=0;
  145. if(FLASH_STATUS==1&&(ucFlashSttsOverflowCnt++)<2)
  146. {
  147. ;// Dec. 02,2006
  148. //ERASE_ONE_BLOCK();
  149. //PROGRAM_ONE_PAGE();
  150. }
  151. }
  153. //***********************************************************************************
  154. //***********************************************************************************
  155. void PROGRAM_256_BYTE(void)
  156. {
  157.     unsigned int wGeneralCnt=0;
  158.     unsigned char ucFlashSttsOverflowCnt=0,ucRxIndex=0;
  159. //COMMAND
  160. COMMAND_VAL=0X80;
  161. COMMAND_LATCH_INTO();
  163. //ADDRESS
  164. ADDRESS_VALUE=COLUMN_ADDRESS_LOW; //#0X00
  165. ADDRESS_LATCH_INTO();
  167. ADDRESS_VALUE=COLUMN_ADDRESS_HIGH; //#0X00
  168. ADDRESS_LATCH_INTO();
  170. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  171. ADDRESS_LATCH_INTO();
  173. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  174. ADDRESS_LATCH_INTO();
  176. FLASH_CON_PORT_OUT &=~ ALE;
  177. //CALL DELAY_100US
  178. for(wGeneralCnt=0;wGeneralCnt<0xff;wGeneralCnt++);
  179. DATA_PORT_OUT_INITIAL;
  180. for(ucRxIndex=0;ucRxIndex<255;ucRxIndex++)
  181. {
  182. FLASH_CON_PORT_OUT&=~WE;
  183.   DATA_PORT_OUT=aucUartRxBuf[ucRxIndex];
  184.   FLASH_CON_PORT_OUT |= WE; //LATCH INTO ONE DATA
  185. }
  187. COMMAND_VAL=0X10; //10H INITIATES PROGRAM
  188. COMMAND_LATCH_INTO();
  190. READ_STATUS();
  191. ucFlashSttsOverflowCnt=0;
  192. if(FLASH_STATUS==1&&(ucFlashSttsOverflowCnt++)<2)
  193. {
  194. ;// Dec. 02,2006
  195. //ERASE_ONE_BLOCK();
  196. //PROGRAM_ONE_PAGE();
  197. }
  198. }
  199. //***********************************************************************************
  200. void READ_256_BYTE(void)
  201. {
  202.                 int wByteCnt=0;
  203. unsigned char ucRxCnt=0;
  204. //COMMAND
  205. Flash_Reset();
  206. COMMAND_VAL=0x00; //#0X00 //00H READ1 0-527BYTE
  207. COMMAND_LATCH_INTO();
  208. //ADDRESS
  209. ADDRESS_VALUE=COLUMN_ADDRESS_LOW; //#0X00
  210. ADDRESS_LATCH_INTO();
  212. ADDRESS_VALUE=COLUMN_ADDRESS_HIGH; //#0X00
  213. ADDRESS_LATCH_INTO();
  215. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  216. ADDRESS_LATCH_INTO();
  218. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  219. ADDRESS_LATCH_INTO();
  220. FLASH_CON_PORT_OUT &=~ ALE;
  222. COMMAND_VAL=0X30;
  223. COMMAND_LATCH_INTO();
  224. ATcmdDelay();
  225. while((FLASH_CON_PORT_IN & RB)==0);
  227. DATA_PORT_IN_INITIAL;
  228. for(wByteCnt=0,ucRxCnt=0;wByteCnt<256;wByteCnt++)
  229. {
  230.             FLASH_CON_PORT_OUT &=~ RE; //RE IS LOW,ENABLE READ DATA
  231.     aucUartRxBuf[ucRxCnt++]=DATA_PORT_IN;
  232.     FLASH_CON_PORT_OUT |= RE;
  233. }
  235. }
  236. //***********************************************************************************
  238. /***********************************************************************************
  239. void READ_ONE_PAGE(void)
  240. {
  241.                 int wByteCnt=0;
  242. unsigned char ucRxCnt=0;
  243. //COMMAND
  244. COMMAND_VAL=0x00; //#0X00 //00H READ1 0-527BYTE
  245. COMMAND_LATCH_INTO();
  246. //ADDRESS
  247. ADDRESS_VALUE=COLUMN_ADDRESS_LOW; //#0X00
  248. ADDRESS_LATCH_INTO();
  250. ADDRESS_VALUE=COLUMN_ADDRESS_HIGH; //#0X00
  251. ADDRESS_LATCH_INTO();
  253. ADDRESS_VALUE=ROW_ADDRESS_LOW; //#0X00
  254. ADDRESS_LATCH_INTO();
  256. ADDRESS_VALUE=ROW_ADDRESS_HIGH; //#0X00
  257. ADDRESS_LATCH_INTO();
  258. FLASH_CON_PORT_OUT &=~ ALE;
  260. COMMAND_VAL=0X30;
  261. COMMAND_LATCH_INTO();
  262. ATcmdDelay();
  263. while((FLASH_CON_PORT_IN & RB)==0);
  264. for(wByteCnt=0,ucRxCnt=0;wByteCnt<2048;wByteCnt++)
  265. {
  266.             READ_ONE_DATA();
  267.             aucUartRxBuf[ucRxCnt++]=FLASH_READ_DATA;
  268. }
  269. }
  270. ***********************************************************************************/
  272. //***********************************************************************************
  273. void READ_STATUS(void)
  274. {
  275. //CALL DELAY_50US
  276. while((FLASH_CON_PORT_IN & RB)==0); //FLASH_CON_PORT,RB,$ //CHECK BUSY
  278. COMMAND_VAL=0X70;
  280. COMMAND_LATCH_INTO();
  282. DATA_PORT_IN_INITIAL;
  283. READ_ONE_DATA(); //WHEN READY,READ STATUS
  284. FLASH_STATUS=FLASH_READ_DATA & 0x01; //0 OK 1 error
  285. //if((READ_DATA_VALUE&0x01)==0)
  286. // FLASH_STATUS=0; //0 OK 1 error
  287. }
  289. //***********************************************************************************/
  291. void FLASH_READ_ID(void)
  292. {
  293. COMMAND_VAL=0X90;
  294. COMMAND_LATCH_INTO();
  296. ADDRESS_VALUE=0X00;
  297. ADDRESS_LATCH_INTO();
  298. FLASH_CON_PORT_OUT &=~ ALE;
  300. DATA_PORT_IN_INITIAL;
  301. READ_ONE_DATA();
  302. while (!(FLASH_READ_DATA==0xad));
  304. READ_ONE_DATA();
  305. while (!(FLASH_READ_DATA==0xf1));
  306. READ_ONE_DATA();
  307. READ_ONE_DATA();
  308. }
  309. //***********************************************************************************
  311. void Flash_Reset(void) //flash reset
  312. { 
  313. int i;
  314. COMMAND_VAL=0XFF; //reset command
  315. COMMAND_LATCH_INTO();
  316. for (i=0;i<3000;i++); //delay 
  317. }
  319. //***********************************************************************************
  320. void COMMAND_LATCH_INTO(void) //FLASH CONTROL PORT
  321. {
  323. FLASH_CON_PORT_OUT |= CLE; //COMMAND LATCH ENABLE
  324. FLASH_CON_PORT_OUT &= ~(CE|WE); //CHIP ENABLE WRITE ENABLE
  326. DATA_PORT_OUT_INITIAL; //MCU OUTPUT,FLASH READ COMMAND
  328. DATA_PORT_OUT=COMMAND_VAL; //DATA SETUP
  330. FLASH_CON_PORT_OUT |= WE; //LATCH INTO THE COMMAND
  331.                 FLASH_CON_PORT_OUT&= ~CLE;
  332. }
  333. //********************************************************
  335. void ADDRESS_LATCH_INTO(void)
  336. {
  337. FLASH_CON_PORT_OUT |= ALE;
  338. FLASH_CON_PORT_OUT &=~ (CLE|WE);
  339. DATA_PORT_OUT_INITIAL; //MCU OUTPUT,FLASH READ ADDRESS
  340. DATA_PORT_OUT=ADDRESS_VALUE;
  342. FLASH_CON_PORT_OUT |= WE; //LATCH INTO THE ADDRESS
  343. //FLASH_CON_PORT_OUT &=~ ALE;
  345. }
  346. /********************************************************
  347. void WRITE_ONE_DATA(void)
  348. {
  349. FLASH_CON_PORT_OUT&=~WE;
  350. //DATA_PORT_OUT_INITIAL; //MCU OUTPUT,MCU WRITE A DATA TO FLASH
  351. DATA_PORT_OUT=FLASH_WRITE_DATA;
  352. FLASH_CON_PORT_OUT |= WE; //LATCH INTO ONE DATA
  354. }
  356. ********************************************************/
  357. void READ_ONE_DATA(void)
  358. {
  359. FLASH_CON_PORT_OUT &=~ RE; //RE IS LOW,ENABLE READ DATA
  361. //DATA_PORT_IN_INITIAL; //MCU INPUT,MCU READ A DATA
  362. FLASH_READ_DATA=DATA_PORT_IN;
  363. FLASH_CON_PORT_OUT |= RE;
  364. }