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#include <stdio.h>
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#include <fat32.h>
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#include <gpio.h>
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#include <uart.h>
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#include <stm32f4xx.h>
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#include <bsp.h>
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#include <core.h>
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#include <N25Q128.h>
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#include <spi.h>
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extern streamdevice* __opnfiles__[];
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/*
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N25Q128 pinout:
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MISO => PB14
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MOSI => PB15
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SCK => PB13
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CS => PB12
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WP => PC1
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RESET/HOLD => PC2
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*/
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void cs(int csstate)
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{
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gpiosetval(PB12,csstate);
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}
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void wp(int wpstate)
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{
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gpiosetval(PC1,wpstate);
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}
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void resetHold(int rhstate)
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{
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gpiosetval(PC2,rhstate);
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}
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int main()
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{
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spiopenandconfig(spi2,spiclkfirstedge|spimaster|spimsbfirst|spi8bits,10000,PB15,PB14,PB13,-1);
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//spiopenandconfig(spi2,spiclkfirstedge|spimaster|spimsbfirst|spi8bits,10000,PB15,PB14,PB13,PB12);
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gpio_t PC1pin= gpioopen(PC1);
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gpiosetdir(&PC1pin,gpiooutdir);
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gpio_t PC2pin= gpioopen(PC2);
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gpiosetdir(&PC2pin,gpiooutdir);
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gpio_t PB12pin= gpioopen(PB12);
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gpiosetdir(&PB12pin,gpiooutdir);
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gpioset(PC1);
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gpioset(PB12);
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gpioclr(PC2);
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eepromN25Q128Dev eeprom;
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eepromN25Q128open(&eeprom,spi2,&cs,&wp,&resetHold);
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//eepromN25Q128open(&eeprom,spi2,NULL,&wp,&resetHold);
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delay_100us(10);
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gpioset(PC2);
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gpioclr(PB12);
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spiputw(spi2,0x9E);
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char res[22];
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spigetnc(spi2,res,22);
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gpioset(PB12);
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for(int i=0;i<22;i++)
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{
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printf("res[%d] = 0x%x\n\r",i,(int)res[i]);
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}
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eepromN25Q128enablewrite(&eeprom);
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delay_100us(10);
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eepromN25Q128writen(&eeprom,0,"hello World",11);
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delay_100us(10);
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eepromN25Q128readn(&eeprom,0,res,11);
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res[11]='\n';
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res[12]='\r';
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res[13]=0;
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printf("read: %s",res);
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printf("\n");
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for(int i=0;i<11;i++)
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{
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printf("res[%d] = 0x%x\n\r",i,(int)res[i]);
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}
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while(1)
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{
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gpioset(LED3);
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delay_100us(10000);
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gpioclr(LED3);
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delay_100us(10000);
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}
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printf("hello world\n\r");
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return 0;
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}
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