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@@ -25,51 +25,52 @@
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#ifdef EE24LC024H
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#define EE_ADDR_SIZE I2C_MEM_1Byte
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#define EE_MEM_SIZE 256
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-#define EE_PageSize 16
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+#define EE_PageSize 16
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#endif
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static struct rt_device ee_dev;
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-uint32_t EE_ReadBuffer(void* pBuffer, rt_off_t ReadAddr, rt_size_t NumByteToRead)
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+uint32_t EE_ReadBuffer(void *pBuffer, rt_off_t ReadAddr, rt_size_t NumByteToRead)
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{
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- return I2C_IORW(I2C1, (uint8_t*)pBuffer, (uint16_t)NumByteToRead, (uint16_t)ReadAddr, EE_Address | 0x01, I2C_MEM_1Byte );
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+ return I2C_IORW(I2C1, (uint8_t *)pBuffer, (uint16_t)NumByteToRead, (uint16_t)ReadAddr, EE_Address | 0x01, I2C_MEM_1Byte );
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}
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-uint32_t EE_WritePage(void* pBuffer, uint16_t WriteAddr)
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+uint32_t EE_WritePage(void *pBuffer, uint16_t WriteAddr)
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{
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- I2C_IORW(I2C1, (uint8_t*)pBuffer, EE_PageSize , WriteAddr, EE_Address , EE_ADDR_SIZE );
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+ I2C_IORW(I2C1, (uint8_t *)pBuffer, EE_PageSize , WriteAddr, EE_Address , EE_ADDR_SIZE );
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/*if( I2C_AcknowledgePolling(I2C1 , EE_Address) == Error )
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rt_kprintf("EE ACK failed\n");*/
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rt_thread_delay(50);
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- return 0;
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+ return 0;
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}
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-uint32_t EE_WriteByte(void* pBuffer, uint16_t WriteAddr)
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+
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+uint32_t EE_WriteByte(void *pBuffer, uint16_t WriteAddr)
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{
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- I2C_IORW(I2C1, (uint8_t*)pBuffer, 1 , WriteAddr, EE_Address, EE_ADDR_SIZE );
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+ I2C_IORW(I2C1, (uint8_t *)pBuffer, 1 , WriteAddr, EE_Address, EE_ADDR_SIZE );
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/*if( I2C_AcknowledgePolling(I2C1 , EE_Address) == Error )
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rt_kprintf("EE ACK failed\n");*/
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rt_thread_delay(50);
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- return 0;
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+ return 0;
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}
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-Status EE_WriteBuffer(const void* pBuffer, rt_off_t WriteAddr, rt_size_t NumByteToWrite)
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+Status EE_WriteBuffer(const void *pBuffer, rt_off_t WriteAddr, rt_size_t NumByteToWrite)
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{
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uint8_t NumOfPage = 0, NumOfSingle = 0;
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uint16_t Addr = 0,count = 0;
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- uint8_t* ptr = (uint8_t*)pBuffer;
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+ uint8_t *ptr = (uint8_t *)pBuffer;
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Addr = (uint16_t)(WriteAddr&0xFFFF);
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count = (uint16_t)(NumByteToWrite&0xFFFF);
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- if( (WriteAddr + NumByteToWrite ) > EE_MEM_SIZE )
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+ if ((WriteAddr + NumByteToWrite) > EE_MEM_SIZE)
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return Error;
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- while( count >= EE_PageSize )
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+ while (count >= EE_PageSize)
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{
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EE_WritePage(ptr, Addr);
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Addr += EE_PageSize;
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@@ -77,32 +78,32 @@ Status EE_WriteBuffer(const void* pBuffer, rt_off_t WriteAddr, rt_size_t NumByte
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ptr += EE_PageSize;
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}
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- while( count )
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+ while (count)
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{
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- EE_WriteByte( ptr++, Addr++ );
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+ EE_WriteByte(ptr++, Addr++);
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count--;
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}
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return Success;
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-
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}
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-static rt_err_t ee24LCxx_init (rt_device_t dev)
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+static rt_err_t ee24LCxx_init(rt_device_t dev)
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{
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return RT_EOK;
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}
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-static rt_size_t ee24LCxx_read( rt_device_t dev, rt_off_t pos, void *buf, rt_size_t size )
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+
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+static rt_size_t ee24LCxx_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t size)
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{
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- if( EE_ReadBuffer(buf, pos, size) == Success )
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- return size;
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+ if (EE_ReadBuffer(buf, pos, size) == Success)
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+ return size;
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else
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return -1;
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}
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-static rt_size_t ee24LCxx_write( rt_device_t dev, rt_off_t pos, const void *buf, rt_size_t size )
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+static rt_size_t ee24LCxx_write(rt_device_t dev, rt_off_t pos, const void *buf, rt_size_t size)
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{
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- if( EE_WriteBuffer(buf, pos, size) == Success )
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- return size;
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+ if (EE_WriteBuffer(buf, pos, size) == Success)
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+ return size;
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else
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return -1;
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}
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@@ -117,77 +118,75 @@ static rt_err_t ee24LCxx_close(rt_device_t dev)
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return RT_EOK;
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}
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-static rt_err_t ee24LCxx_control (rt_device_t dev, rt_uint8_t cmd, void *args)
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+static rt_err_t ee24LCxx_control(rt_device_t dev, rt_uint8_t cmd, void *args)
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{
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return RT_EOK;
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}
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-void ee24LCxx_hw_init()
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-{
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- uint32_t delay, i;
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+void ee24LCxx_hw_init(void)
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+{
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+ uint32_t delay, i;
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I2C1_INIT();
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- for( i =0; i < 4; i++ )
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+ for (i =0; i < 4; i++)
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{
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delay = 0xFFFFF;
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- while(delay--);
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+ while (delay--);
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}
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- ee_dev.init = ee24LCxx_init;
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- ee_dev.open = ee24LCxx_open;
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- ee_dev.close = ee24LCxx_close;
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- ee_dev.read = ee24LCxx_read;
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- ee_dev.write = ee24LCxx_write;
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- ee_dev.control = ee24LCxx_control;
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- ee_dev.type = RT_Device_Class_I2C;
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-
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+ ee_dev.init = ee24LCxx_init;
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+ ee_dev.open = ee24LCxx_open;
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+ ee_dev.close = ee24LCxx_close;
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+ ee_dev.read = ee24LCxx_read;
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+ ee_dev.write = ee24LCxx_write;
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+ ee_dev.control = ee24LCxx_control;
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+ ee_dev.type = RT_Device_Class_Unknown;
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- rt_device_register(&ee_dev, "eeprom", RT_DEVICE_FLAG_RDWR);
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+ rt_device_register(&ee_dev, "eeprom", RT_DEVICE_FLAG_RDWR);
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}
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-void dump_ee()
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+void dump_ee(void)
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{
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- rt_device_t dev;
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- char buf[EE_MEM_SIZE];
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- int i, j;
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-
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- dev = rt_device_find("eeprom");
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- rt_device_read(dev, 0, buf, EE_MEM_SIZE );
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-
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- for( i = 0; i < 16; i++ )
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- {
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- for( j = 0; j < 16; j++ )
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- {
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- rt_kprintf("0x%02X ", buf[ i*16+ j]);
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-
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- }
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- rt_kprintf("\n");
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- }
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+ rt_device_t dev;
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+ char buf[EE_MEM_SIZE];
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+ int i, j;
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+
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+ dev = rt_device_find("eeprom");
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+ rt_device_read(dev, 0, buf, EE_MEM_SIZE );
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+
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+ for (i = 0; i < 16; i++)
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+ {
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+ for (j = 0; j < 16; j++)
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+ {
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+ rt_kprintf("0x%02X ", buf[ i*16+ j]);
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+ }
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+ rt_kprintf("\n");
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+ }
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}
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-void ee_reset()
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+void ee_reset(void)
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{
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- char buf[EE_MEM_SIZE], read[EE_MEM_SIZE];
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- int i;
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- rt_device_t dev = rt_device_find("eeprom");
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+ char buf[EE_MEM_SIZE], read[EE_MEM_SIZE];
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+ int i;
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+ rt_device_t dev = rt_device_find("eeprom");
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- for(i = 0; i < EE_MEM_SIZE; i++ )
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+ for (i = 0; i < EE_MEM_SIZE; i++)
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{
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buf[i] = 0xFF;
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- read[i] = 0;
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+ read[i] = 0;
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}
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- if( rt_device_write(dev, 0, buf, EE_MEM_SIZE ) == EE_MEM_SIZE )
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+ if (rt_device_write(dev, 0, buf, EE_MEM_SIZE ) == EE_MEM_SIZE)
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rt_kprintf("Write Success\n");
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- rt_device_read(dev, 0, read, EE_MEM_SIZE );
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+ rt_device_read(dev, 0, read, EE_MEM_SIZE );
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- for(i = 0; i < EE_MEM_SIZE; i++ )
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+ for (i = 0; i < EE_MEM_SIZE; i++)
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{
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- if( buf[i] != read[i] )
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+ if (buf[i] != read[i])
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rt_kprintf("EE Failed %X != %X at %d\n", buf[i], read[i], i);
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}
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-
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}
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+
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(ee_reset, test system);
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