Revision 3:8ddab67b62c3, committed 2018-06-19

Comitter:

poushen

Date:

Tue Jun 19 01:26:31 2018 +0000

Parent:

2:ce12a405cd3a

Commit message:

make sample more complete.

Changed in this revision

diff -r ce12a405cd3a -r 8ddab67b62c3 eeprom.h
--- a/eeprom.h	Mon Jun 18 22:53:01 2018 +0000
+++ b/eeprom.h	Tue Jun 19 01:26:31 2018 +0000
@@ -24,20 +24,64 @@
  * #include "mbed.h"
  * #include "eeprom.h"
  *
+ * #define BUFFER_SIZE  64
+ *
  * // make eeprom instance using I2C object.
  * // with default slave address 0xA0 (0x50 in 7bit format)
  * // test ok with 24FC256 EEPROM
  * I2C i2c(dp5,dp27);
  * eeprom epm(i2c);
  *
+ * // import!!! must prefix 3 bytes for memory address
+ * uint8_t buffer[BUFFER_SIZE + 3]; 
+ *
  * int main()
  * {
+ *     printf("LPC1114 demo.\n\r");
+ *
+ *     // -------- page write --------------------
+ *     for (int i=0; i<BUFFER_SIZE; i++)
+ *         buffer[i+3] = i;     // for prefix 3 memory address
+ *
+ *     epm.page_write(12288, TWO_BYTES_ADDRESS, buffer, BUFFER_SIZE);
+ *     //wait(0.008);
+ *     epm.ack_polling();
+ *
+ *     // -------- current read ------------------
+ *     printf("below shold be 00 01 ... 3f\n\r");
  *     epm.write_address(12288, TWO_BYTES_ADDRESS);
  * 
- *     for (int i=0; i< 64; i++) {
+ *     for (int i=0; i<BUFFER_SIZE; i++) {
  *       printf("%.2x ", epm.current_read());
  *     }
  *     printf("\n\r");
+ *     
+ *     // -------- byte write --------------------
+ *     epm.byte_write(12288, TWO_BYTES_ADDRESS, 0xAA);
+ *     epm.ack_polling();
+ *     
+ *     // -------- sequential read ---------------
+ *     printf("below shold be aa 01 02 ... 3f\n\r");
+ *     epm.write_address(12288, TWO_BYTES_ADDRESS);
+ *   
+ *     uint8_t data[BUFFER_SIZE];
+ *     epm.sequential_read(data, BUFFER_SIZE);
+ *     for (int i=0; i<BUFFER_SIZE; i++) {
+ *         printf("%.2x ", data[i]);
+ *     }
+ *     printf("\n\r");
+ *
+ *     // -------- byte write --------------------
+ *     epm.byte_write(12289, TWO_BYTES_ADDRESS, 0xBB);
+ *     epm.ack_polling();
+ *
+ *     // -------- random read -------------------
+ *     printf("below shold be aa bb 02 03 ... 3f\n\r");
+ *     epm.random_read(12288, TWO_BYTES_ADDRESS, buffer, 64);
+ *     for (int i=0; i<64; i++) {
+ *         printf("%.2x ", buffer[i]);
+ *     }
+ *     printf("\n\r");
  *
  *     while(1);
  * }