IZU2020 / PQEEPROM

PLANET-Q EEPROM Library

Dependents:   IZU2020_AVIONICS IZU2020_POST_PROCESS IZU2020_AVIONICS

PQEEPROM.h@2:bb2a2a6b2702, 2019-12-17 (annotated)

Committer:
tanahashi
Date:
Tue Dec 17 14:03:51 2019 +0000
Revision:
2:bb2a2a6b2702
Parent:
1:fccbd0a70492
Child:
3:c7590a58d44a
fix comment

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tanahashi 0:559c23c5884c 1 #ifndef PQEEPROM_H_
tanahashi 0:559c23c5884c 2 #define PQEEPROM_H_
tanahashi 0:559c23c5884c 3
tanahashi 1:fccbd0a70492 4 /**
tanahashi 1:fccbd0a70492 5 * EEPROM 24LC1025のライブラリ
tanahashi 1:fccbd0a70492 6 * @note 1つにつき0x000000~0x01FFFFまでのアドレスが指定できます
tanahashi 1:fccbd0a70492 7 * @note 2つ使用する場合は0x000000~0x03FFFFまでのアドレスが指定でき、最大4つ同時に使用できます
tanahashi 1:fccbd0a70492 8 * @note 1ページは128バイトです
tanahashi 1:fccbd0a70492 9 * @note ページをまたぐような書き込みは危険なのでしないこと
tanahashi 1:fccbd0a70492 10 * @note 受信バッファは128バイトです
tanahashi 1:fccbd0a70492 11 * @code
tanahashi 1:fccbd0a70492 12 #include "mbed.h"
tanahashi 1:fccbd0a70492 13 #include "PQEEPROM.h"
tanahashi 1:fccbd0a70492 14
tanahashi 1:fccbd0a70492 15 Serial pc(USBTX, USBRX, 115200);
tanahashi 1:fccbd0a70492 16
tanahashi 1:fccbd0a70492 17 I2C i2c(p9, p10);
tanahashi 1:fccbd0a70492 18
tanahashi 1:fccbd0a70492 19 EEPROM eeprom(i2c);
tanahashi 1:fccbd0a70492 20
tanahashi 1:fccbd0a70492 21 int addr;
tanahashi 1:fccbd0a70492 22 char data[128];
tanahashi 1:fccbd0a70492 23 char buff[128];
tanahashi 1:fccbd0a70492 24
tanahashi 1:fccbd0a70492 25 int main()
tanahashi 1:fccbd0a70492 26 {
tanahashi 1:fccbd0a70492 27 addr = 0x000000;
tanahashi 1:fccbd0a70492 28 for(int i = 0; i < 128; i++) {
tanahashi 1:fccbd0a70492 29 data[i] = 0xFF;
tanahashi 1:fccbd0a70492 30 }
tanahashi 1:fccbd0a70492 31 eeprom.write(addr, data, 128);
tanahashi 1:fccbd0a70492 32 eeprom.read(addr, buff, 128);
tanahashi 1:fccbd0a70492 33 for(int i = 0; i < 128; i++) {
tanahashi 1:fccbd0a70492 34 pc.printf("%x ", buff[i]);
tanahashi 1:fccbd0a70492 35 }
tanahashi 1:fccbd0a70492 36 }
tanahashi 1:fccbd0a70492 37 * @endcode
tanahashi 1:fccbd0a70492 38 */
tanahashi 0:559c23c5884c 39 class EEPROM
tanahashi 0:559c23c5884c 40 {
tanahashi 0:559c23c5884c 41 private:
tanahashi 0:559c23c5884c 42 I2C *_i2c;
tanahashi 0:559c23c5884c 43 int _addr;
tanahashi 0:559c23c5884c 44 char cmd[130];
tanahashi 0:559c23c5884c 45 char buff[128];
tanahashi 1:fccbd0a70492 46
tanahashi 0:559c23c5884c 47 public:
tanahashi 1:fccbd0a70492 48 /**
tanahashi 1:fccbd0a70492 49 * @param i2c I2Cのインスタンスへの参照
tanahashi 1:fccbd0a70492 50 */
tanahashi 0:559c23c5884c 51 EEPROM(I2C &i2c);
tanahashi 1:fccbd0a70492 52
tanahashi 1:fccbd0a70492 53 /**
tanahashi 1:fccbd0a70492 54 * 連続書き込み
tanahashi 1:fccbd0a70492 55 * @param addr 書き込みアドレス
tanahashi 2:bb2a2a6b2702 56 * @param data 書き込むデータの配列（最大128バイト）
tanahashi 1:fccbd0a70492 57 * @param size 書き込むデータのサイズ
tanahashi 1:fccbd0a70492 58 */
tanahashi 0:559c23c5884c 59 void write(int addr, char *data, int size);
tanahashi 1:fccbd0a70492 60
tanahashi 1:fccbd0a70492 61 /**
tanahashi 1:fccbd0a70492 62 * 連続読み込み
tanahashi 1:fccbd0a70492 63 * @param addr 読み込みアドレス
tanahashi 2:bb2a2a6b2702 64 * @param data 読み込むデータの配列（最大128バイト）
tanahashi 1:fccbd0a70492 65 * @param size 読み込むデータのサイズ
tanahashi 1:fccbd0a70492 66 */
tanahashi 0:559c23c5884c 67 void read(int addr, char *data, int size);
tanahashi 0:559c23c5884c 68 };
tanahashi 0:559c23c5884c 69
tanahashi 0:559c23c5884c 70 #endif