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217 lines
5.3 KiB
C

#include "SWM221.h"
#include "W25N01G.h"
#define EEPROM_ADDR 0x0020000
#define N_DATA 48
uint8_t RdBuff[W25N_PAGE_SIZE] = {0};
uint8_t WrBuff[W25N_PAGE_SIZE] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
};
void W25N01G_Write_DMA(uint32_t addr, uint8_t buff[2048], uint8_t data_width);
void W25N01G_Read_DMA(uint32_t addr, uint8_t buff[2048], uint8_t addr_width, uint8_t data_width);
void SerialInit(void);
int main(void)
{
int i;
SystemInit();
SerialInit();
W25N01G_Init();
int id = W25N01G_ReadJEDEC();
printf("SPI Flash JEDEC: %06X\n", id);
W25N01G_FlashProtect(W25N_PROTECT_Upper_1MB);
W25N01G_Erase(EEPROM_ADDR, 1);
W25N01G_Read(EEPROM_ADDR, RdBuff);
printf("\n\nAfter Erase: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Write(EEPROM_ADDR, WrBuff);
W25N01G_Read(EEPROM_ADDR, RdBuff);
printf("\n\nAfter Write: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Read_2bit(EEPROM_ADDR, RdBuff);
printf("\n\nDual Read: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Read_IO2bit(EEPROM_ADDR, RdBuff);
printf("\n\nDual IO Read: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Erase(EEPROM_ADDR, 1);
W25N01G_Write_4bit(EEPROM_ADDR, WrBuff);
W25N01G_Read_4bit(EEPROM_ADDR, RdBuff);
printf("\n\nQuad Read: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Read_IO4bit(EEPROM_ADDR, RdBuff);
printf("\n\nQuad IO Read: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Erase(EEPROM_ADDR, 1);
W25N01G_Write_DMA(EEPROM_ADDR, WrBuff, 4);
W25N01G_Read_DMA(EEPROM_ADDR, RdBuff, 4, 4);
printf("\n\nDMA Read: \n");
for(i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
while(1==1)
{
}
}
void W25N01G_Write_DMA(uint32_t addr, uint8_t buff[2048], uint8_t data_width)
{
static bool dma_inited = false;
if(!dma_inited)
{
DMA_InitStructure DMA_initStruct;
DMA_initStruct.Mode = DMA_MODE_SINGLE;
DMA_initStruct.Unit = DMA_UNIT_BYTE;
DMA_initStruct.Count = 2048;
DMA_initStruct.MemoryAddr = (uint32_t)buff;
DMA_initStruct.MemoryAddrInc = 1;
DMA_initStruct.PeripheralAddr = (uint32_t)&QSPI0->DRB;
DMA_initStruct.PeripheralAddrInc = 0;
DMA_initStruct.Handshake = DMA_CH0_QSPI0TX;
DMA_initStruct.Priority = DMA_PRI_VERY_HIGH;
DMA_initStruct.INTEn = 0;
DMA_CH_Init(DMA_CH0, &DMA_initStruct);
dma_inited = true;
}
DMA_CH_SetAddrAndCount(DMA_CH0, (uint32_t)buff, 2048);
QSPI_DMAEnable(QSPI0, QSPI_Mode_IndirectWrite);
W25N01G_Write_(addr, buff, data_width, 0);
DMA_CH_Open(DMA_CH0);
while(DMA_CH_INTStat(DMA_CH0, DMA_IT_DONE) == 0) __NOP();
DMA_CH_INTClr(DMA_CH0, DMA_IT_DONE);
/* <20><> QSPI busy ʱ<><CAB1>д QSPI->CR <20>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>Ч */
while(QSPI_Busy(QSPI0)) __NOP();
QSPI_DMADisable(QSPI0);
W25N01G_Program_Execute(addr);
while(W25N01G_FlashBusy()) __NOP();
}
void W25N01G_Read_DMA(uint32_t addr, uint8_t buff[2048], uint8_t addr_width, uint8_t data_width)
{
static bool dma_inited = false;
if(!dma_inited)
{
DMA_InitStructure DMA_initStruct;
DMA_initStruct.Mode = DMA_MODE_SINGLE;
DMA_initStruct.Unit = DMA_UNIT_BYTE;
DMA_initStruct.Count = 2048;
DMA_initStruct.MemoryAddr = (uint32_t)buff;
DMA_initStruct.MemoryAddrInc = 1;
DMA_initStruct.PeripheralAddr = (uint32_t)&QSPI0->DRB;
DMA_initStruct.PeripheralAddrInc = 0;
DMA_initStruct.Handshake = DMA_CH1_QSPI0RX;
DMA_initStruct.Priority = DMA_PRI_VERY_HIGH;
DMA_initStruct.INTEn = 0;
DMA_CH_Init(DMA_CH1, &DMA_initStruct);
dma_inited = true;
}
DMA_CH_SetAddrAndCount(DMA_CH1, (uint32_t)buff, 2048);
QSPI_DMAEnable(QSPI0, QSPI_Mode_IndirectRead);
W25N01G_Read_(addr, buff, addr_width, data_width, 0);
DMA_CH_Open(DMA_CH1);
while(DMA_CH_INTStat(DMA_CH1, DMA_IT_DONE) == 0) __NOP();
DMA_CH_INTClr(DMA_CH1, DMA_IT_DONE);
QSPI_DMADisable(QSPI0);
QSPI_Abort(QSPI0);
}
void SerialInit(void)
{
UART_InitStructure UART_initStruct;
PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); //GPIOA.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪUART0 RXD
PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); //GPIOA.1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪUART0 TXD
UART_initStruct.Baudrate = 57600;
UART_initStruct.DataBits = UART_DATA_8BIT;
UART_initStruct.Parity = UART_PARITY_NONE;
UART_initStruct.StopBits = UART_STOP_1BIT;
UART_initStruct.RXThreshold = 3;
UART_initStruct.RXThresholdIEn = 0;
UART_initStruct.TXThreshold = 3;
UART_initStruct.TXThresholdIEn = 0;
UART_initStruct.TimeoutTime = 10;
UART_initStruct.TimeoutIEn = 0;
UART_Init(UART0, &UART_initStruct);
UART_Open(UART0);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: fputc()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: printf()ʹ<EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ʵĴ<EFBFBD><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: int ch Ҫ<EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>
* FILE *f <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
int fputc(int ch, FILE *f)
{
UART_WriteByte(UART0, ch);
while(UART_IsTXBusy(UART0));
return ch;
}