forked from SZV10X_Software/SZV103_FM33A0xxEV_SiZhu
Function/E2P/EEPROM.c
@@ -14,7 +14,7 @@ #include "eeprom.h" #include "spi.h" #include "delay.h" //#include "devicegpioinit.h" #include "gpio.h" volatile uint8_t Fram_cs_flag = 0; //´æ´¢Æ¬Ñ¡±êÖ¾£¬ÒÔºóÔö¼ÓһƬ´æ´¢Ð¾Æ¬£¬ÓÃÓÚÑ¡Ôñ²Ù×÷ÄÇÒ»¿é´æ´¢£¬·Ç1ΪµÚ1¿é£¬1ΪµÚ2¿éÐÂÔöµÄ¡£ @@ -23,7 +23,20 @@ //static u16 WR_times_suc=0; //eeprom ¶ÁÊÇ1¸ö×Ö½Ú50us¡£ void E2P_Ctrl_Gpio_Init(void) { CMU_PERCLK_SetableEx(PADCLK, ENABLE); //PADʱÖÓ£¨GPIO£©Ê¹Äܺ¯Êý OutputIO(EEPROM_PWR_PORT,EEPROM_PWR_PIN,OUT_PUSHPULL); OutputIO(EEPROM_CS1_PORT,EEPROM_CS1_PIN,OUT_PUSHPULL); OutputIO(EEPROM_CS2_PORT,EEPROM_CS2_PIN,OUT_PUSHPULL); CloseIO(EEPROM_WP_PORT,EEPROM_WP_PIN); E2P_PWR_OFF; EEPROM_CS_LOW; EEPROM_CS_2_LOW; } typedef union { @@ -74,19 +87,21 @@ // laddr = (addr16 & 0xff); //low 8 bit address // delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_WREN); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; // delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_WRITE); #ifndef EEPROM_ADDR_BYTES2 FM_ReadWriteByte((uint8_t)((addr_fit)>>16)); #endif FM_ReadWriteByte((uint8_t)((addr_fit)>>8)); FM_ReadWriteByte((uint8_t)((addr_fit))); FM_ReadWriteByte(data); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; @@ -112,13 +127,15 @@ // haddr = (addr16 >> 8) & 0x7f;//high 7 bit address // laddr = (addr16 & 0xff); //low 8 bit address EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_READ); #ifndef EEPROM_ADDR_BYTES2 FM_ReadWriteByte((uint8_t)(addr_fit>>16)); #endif FM_ReadWriteByte((uint8_t)(addr_fit>>8)); FM_ReadWriteByte((uint8_t)(addr_fit)); data = FM_ReadWriteByte(0xff);//data = FM_ReadWriteByte(0xff); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; return data; } @@ -134,16 +151,16 @@ void EEPROM_stat_write(uint8 stat) { // delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_WREN); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; // delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_WRSR); FM_ReadWriteByte(stat); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; } @@ -159,10 +176,10 @@ uint8 stat; delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_RDSR); stat = FM_ReadWriteByte(0xff); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; return stat; } @@ -177,9 +194,9 @@ void EEPROM_sleep(void) { delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_SLEEP); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; } @@ -195,13 +212,13 @@ uint8 i; delay_us(10); EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_RDID); for(i = 0;i < 9;i ++) { dst[i] = FM_ReadWriteByte(0xff); } EEPROM_CS_HIGH; EEPROM_CS_DISABLE; } @@ -296,7 +313,7 @@ *****************************************/ u32 EEPROM_data_read_uint32(uint32 addr16) { u32_un t; t.data[0] = EEPROM_data_read(addr16); t.data[1] = EEPROM_data_read(addr16+1); @@ -399,18 +416,20 @@ { EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_WREN); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_WRITE); #ifndef EEPROM_ADDR_BYTES2 FM_ReadWriteByte((uint8_t)((addr_temp)>>16)); #endif FM_ReadWriteByte((uint8_t)((addr_temp)>>8)); FM_ReadWriteByte((uint8_t)(addr_temp)); for(i = 0;i < bytewrite;i ++) FM_ReadWriteByte(*ptr_data ++); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; @@ -445,14 +464,16 @@ { u16 index; EEPROM_CS_LOW; EEPROM_CS_ENABLE; FM_ReadWriteByte(FM_READ); #ifndef EEPROM_ADDR_BYTES2 FM_ReadWriteByte((uint8_t)(addr>>16)); #endif FM_ReadWriteByte((uint8_t)(addr>>8)); FM_ReadWriteByte((uint8_t)(addr)); for(index = 0;index < bytes;index ++) data[index] = FM_ReadWriteByte(0xff); EEPROM_CS_HIGH; EEPROM_CS_DISABLE; EEPROM_Wait_Busy(); } @@ -478,20 +499,80 @@ void EEPROM_CS_2_test(void) void EEPROM_test(void) { uint8_t u8_temp; uint8_t u8_temp_s[256]; uint8_t u8_temp_s2[256]; static uint16_t WR_times = 0; static uint16_t WR_times_suc = 0; u16 count_i = 0; E2P_Ctrl_Gpio_Init(); SPI3_Init(); EEPROM_CTRL_ENABLE; EEPROM_MultipleRead(u8_temp_s2,1000,1); //?²âÊÔ·¢ÏÖµÚÒ»´Î²Ù×÷ÎÞЧ£¬ÐèÒªÏȲÙ×÷Ò»´Î£¬ºóÐø²Ù×÷¶¼ÊÇÕý³£µÄ¡£ for(count_i=0;count_i<256;count_i++) { u8_temp_s[count_i] = count_i; u8_temp_s2[count_i] = 0; } EEPROM_CTRL_DISABLE; delay_ms(10); EEPROM_CTRL_ENABLE; EEPROM_MultipleWrite(u8_temp_s,0,256); delay_ms(1); EEPROM_MultipleRead(u8_temp_s2,0,256); EEPROM_CTRL_DISABLE; E2P_Ctrl_Gpio_Init(); SPI3_Init(); for(count_i=0;count_i<256;count_i++) { u8_temp_s[count_i] = 255-count_i; u8_temp_s2[count_i] = 0; } EEPROM_CTRL_ENABLE; EEPROM_MultipleWrite(u8_temp_s,0,256); delay_ms(1); EEPROM_MultipleRead(u8_temp_s2,0,256); EEPROM_CTRL_DISABLE; E2P_Ctrl_Gpio_Init(); SPI3_Init(); for(count_i=0;count_i<256;count_i++) { u8_temp_s[count_i] = 8; u8_temp_s2[count_i] = 0; } EEPROM_CTRL_ENABLE; EEPROM_MultipleWrite(u8_temp_s,0,256); delay_ms(1); EEPROM_MultipleRead(u8_temp_s2,0,256); EEPROM_CTRL_DISABLE; // while(WR_times <1024) // { @@ -522,7 +603,7 @@ // // } // EEPROM_MultipleRead_CS_2(u8_temp_s2,(1000 * 256+9),256);
