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Commit b2ed27d9 authored by mfenner's avatar mfenner
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First Version for HYT 

git-svn-id: https://svnsrv.desy.de/desy/MSK_PROJECTS/other/Fuse-Relay-Board/MCU_Firmware/trunk@791 e4d10518-288a-426b-ba36-e453799dee6f
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FTDI_I2C/Makefile.win
+ 1
− 1
View file @ b2ed27d9
...@@ -27,7 +27,7 @@ $(BIN): $(OBJ) ...@@ -27,7 +27,7 @@ $(BIN): $(OBJ)
$(CPP) $(LINKOBJ) -o "proghyt.exe" $(LIBS) $(CPP) $(LINKOBJ) -o "proghyt.exe" $(LIBS)
main.o: main.c main.o: main.c
$(CC) -c main.c -o main.o $(CC) -c main.c -o main.o
proghyt_private.res: proghyt_private.rc proghyt_private.res: proghyt_private.rc
$(WINDRES) -i proghyt_private.rc --input-format=rc -o proghyt_private.res -O coff $(WINDRES) -i proghyt_private.rc --input-format=rc -o proghyt_private.res -O coff
FTDI_I2C/main.c
+ 80
− 61
View file @ b2ed27d9
...@@ -25,6 +25,7 @@ ...@@ -25,6 +25,7 @@
/* Standard C libraries */ /* Standard C libraries */
#include<stdio.h> #include<stdio.h>
#include<stdlib.h> #include<stdlib.h>
#include <time.h>
/* OS specific libraries */ /* OS specific libraries */
#ifdef _WIN32 #ifdef _WIN32
#include<windows.h> #include<windows.h>
...@@ -47,17 +48,9 @@ ...@@ -47,17 +48,9 @@
encountered \n",__FILE__, __LINE__, __FUNCTION__);exit(1);}else{;}}; encountered \n",__FILE__, __LINE__, __FUNCTION__);exit(1);}else{;}};
/* Application specific macro definations */ /* Application specific macro definations */
#define I2C_DEVICE_ADDRESS_EEPROM 0x57 #define I2C_DEVICE_ADDRESS_HYT 0x50
#define I2C_DEVICE_BUFFER_SIZE 256 #define I2C_WRITE_COMPLETION_RETRY 10
#define I2C_WRITE_COMPLETION_RETRY 10 #define CHANNEL_TO_OPEN 0
#define START_ADDRESS_EEPROM 0x00 /*read/write start address inside the EEPROM*/
#define END_ADDRESS_EEPROM 0x10
#define RETRY_COUNT_EEPROM 10 /* number of retries if read/write fails */
#define CHANNEL_TO_OPEN 1 /*0 for first available channel, 1 for next... */
#define DATA_OFFSET 1
/******************************************************************************/ /******************************************************************************/
...@@ -67,7 +60,14 @@ uint32 channels; ...@@ -67,7 +60,14 @@ uint32 channels;
FT_HANDLE ftHandle; FT_HANDLE ftHandle;
ChannelConfig channelConf; ChannelConfig channelConf;
FT_STATUS status; FT_STATUS status;
uint8 buffer[I2C_DEVICE_BUFFER_SIZE]; uint8 buffer[10];
void waitFor (unsigned int secs) {
unsigned int retTime = time(0) + secs; // Get finishing time.
while (time(0) < retTime); // Loop until it arrives.
}
/******************************************************************************/ /******************************************************************************/
/* Public function definitions */ /* Public function definitions */
...@@ -97,8 +97,7 @@ FT_STATUS write_byte(uint8 slaveAddress, uint8 registerAddress, uint8 data) ...@@ -97,8 +97,7 @@ FT_STATUS write_byte(uint8 slaveAddress, uint8 registerAddress, uint8 data)
bytesTransfered=0; bytesTransfered=0;
buffer[bytesToTransfer++]=registerAddress; /* Byte addressed inside EEPROM */ buffer[bytesToTransfer++]=registerAddress; /* Byte addressed inside EEPROM */
buffer[bytesToTransfer++]=data; buffer[bytesToTransfer++]=data;
status = I2C_DeviceWrite(ftHandle, slaveAddress, bytesToTransfer, buffer, \ status = I2C_DeviceWrite(ftHandle, slaveAddress, bytesToTransfer, buffer, &bytesTransfered, I2C_TRANSFER_OPTIONS_START_BIT|I2C_TRANSFER_OPTIONS_STOP_BIT);
&bytesTransfered, I2C_TRANSFER_OPTIONS_START_BIT|I2C_TRANSFER_OPTIONS_STOP_BIT);
/* poll to check completition */ /* poll to check completition */
while((writeComplete==0) && (retry<I2C_WRITE_COMPLETION_RETRY)) while((writeComplete==0) && (retry<I2C_WRITE_COMPLETION_RETRY))
...@@ -106,9 +105,7 @@ FT_STATUS write_byte(uint8 slaveAddress, uint8 registerAddress, uint8 data) ...@@ -106,9 +105,7 @@ FT_STATUS write_byte(uint8 slaveAddress, uint8 registerAddress, uint8 data)
bytesToTransfer=0; bytesToTransfer=0;
bytesTransfered=0; bytesTransfered=0;
buffer[bytesToTransfer++]=registerAddress; /* Addressed inside EEPROM */ buffer[bytesToTransfer++]=registerAddress; /* Addressed inside EEPROM */
status = I2C_DeviceWrite(ftHandle, slaveAddress, bytesToTransfer,\ status = I2C_DeviceWrite(ftHandle, slaveAddress, bytesToTransfer, buffer, &bytesTransfered, I2C_TRANSFER_OPTIONS_START_BIT|I2C_TRANSFER_OPTIONS_BREAK_ON_NACK);
buffer, &bytesTransfered, \
I2C_TRANSFER_OPTIONS_START_BIT|I2C_TRANSFER_OPTIONS_BREAK_ON_NACK);
if((FT_OK == status) && (bytesToTransfer == bytesTransfered)) if((FT_OK == status) && (bytesToTransfer == bytesTransfered))
{ {
writeComplete=1; writeComplete=1;
...@@ -119,6 +116,37 @@ FT_STATUS write_byte(uint8 slaveAddress, uint8 registerAddress, uint8 data) ...@@ -119,6 +116,37 @@ FT_STATUS write_byte(uint8 slaveAddress, uint8 registerAddress, uint8 data)
return status; return status;
} }
FT_STATUS write_hyt(uint8 slaveAddress, uint8 commandByte, uint8 datah, uint8 datal)
{
uint32 bytesToTransfer = 0;
uint32 bytesTransfered;
bool writeComplete=0;
uint32 retry=0;
bytesToTransfer=0;
bytesTransfered=0;
buffer[bytesToTransfer++]=commandByte;
buffer[bytesToTransfer++]=datah;
buffer[bytesToTransfer++]=datal;
status = I2C_DeviceWrite(ftHandle, slaveAddress, bytesToTransfer, buffer, &bytesTransfered, I2C_TRANSFER_OPTIONS_START_BIT|I2C_TRANSFER_OPTIONS_STOP_BIT);
APP_CHECK_STATUS(status);
return status;
}
FT_STATUS read_hyt(uint8 slaveAddress, uint8 *data)
{
FT_STATUS status;
uint32 bytesToTransfer = 0;
uint32 bytesTransfered;
status |= I2C_DeviceRead(ftHandle, slaveAddress, 3, buffer, &bytesTransfered, I2C_TRANSFER_OPTIONS_START_BIT | I2C_TRANSFER_OPTIONS_STOP_BIT);
APP_CHECK_STATUS(status);
*data = buffer[0];
return status;
}
/*! /*!
* \brief Reads from EEPROM * \brief Reads from EEPROM
* *
...@@ -154,18 +182,7 @@ FT_STATUS read_byte(uint8 slaveAddress, uint8 registerAddress, uint8 *data) ...@@ -154,18 +182,7 @@ FT_STATUS read_byte(uint8 slaveAddress, uint8 registerAddress, uint8 *data)
return status; return status;
} }
/*!
* \brief Main function / Entry point to the sample application
*
* This function is the entry point to the sample application. It opens the channel, writes to the
* EEPROM and reads back.
*
* \param[in] none
* \return Returns 0 for success
* \sa
* \note
* \warning
*/
int main() int main()
{ {
FT_STATUS status; FT_STATUS status;
...@@ -174,9 +191,9 @@ int main() ...@@ -174,9 +191,9 @@ int main()
uint8 data; uint8 data;
int i,j; int i,j;
//#ifdef _MSC_VER #ifdef _MSC_VER
Init_libMPSSE(); Init_libMPSSE();
//#endif #endif
channelConf.ClockRate = I2C_CLOCK_FAST_MODE;/*i.e. 400000 KHz*/ channelConf.ClockRate = I2C_CLOCK_FAST_MODE;/*i.e. 400000 KHz*/
channelConf.LatencyTimer= 255; channelConf.LatencyTimer= 255;
//channelConf.Options = I2C_DISABLE_3PHASE_CLOCKING; //channelConf.Options = I2C_DISABLE_3PHASE_CLOCKING;
...@@ -205,37 +222,41 @@ int main() ...@@ -205,37 +222,41 @@ int main()
/* Open the first available channel */ /* Open the first available channel */
status = I2C_OpenChannel(CHANNEL_TO_OPEN,&ftHandle); status = I2C_OpenChannel(CHANNEL_TO_OPEN,&ftHandle);
APP_CHECK_STATUS(status); APP_CHECK_STATUS(status);
printf("\nhandle=0x%x status=%d\n",ftHandle,status); printf("%s\r\n",status);
printf("\nhandle=0x%x status=%d\n",ftHandle,status);
status = I2C_InitChannel(ftHandle,&channelConf); status = I2C_InitChannel(ftHandle,&channelConf);
APP_CHECK_STATUS(status); APP_CHECK_STATUS(status);
printf("%s\r\n",status);
for(address=START_ADDRESS_EEPROM;address<END_ADDRESS_EEPROM;address++)
{ printf("Setting GPIO Pin OFF.\r\n");
printf("writing address = %d data = %d", address, \ FT_WriteGPIO(ftHandle, 0x01, 0x00);
address+DATA_OFFSET); printf("%s\r\n",status);
status = write_byte(I2C_DEVICE_ADDRESS_EEPROM, address, \ waitFor(1);
address+DATA_OFFSET); printf("Setting GPIO Pin ON.\r\n");
for(j=0; ((j<RETRY_COUNT_EEPROM) && (FT_OK !=status)); j++) FT_WriteGPIO(ftHandle, 0x01, 0x01);
{ printf("%s\r\n",status);
printf("---- writing again to address = %d, data =%d\n", \
address, address+DATA_OFFSET); printf("Starting Command Mode.\r\n");
status = write_byte(I2C_DEVICE_ADDRESS_EEPROM, address, \ write_hyt(I2C_DEVICE_ADDRESS_HYT,0xA0,0x00,0x00);
address+DATA_OFFSET); printf("%s\r\n",status);
}
APP_CHECK_STATUS(status); printf("Request I2C Address.\r\n");
} write_hyt(I2C_DEVICE_ADDRESS_HYT,0x1C,0x00,0x00);
printf("\n"); printf("%s\r\n",status);
for(address=START_ADDRESS_EEPROM; address<END_ADDRESS_EEPROM; address++)
{ printf("Reading I2C Address.\r\n");
status = read_byte(I2C_DEVICE_ADDRESS_EEPROM,address, &data); read_hyt( I2C_DEVICE_ADDRESS_HYT, buffer);
for(j=0; ((j<RETRY_COUNT_EEPROM) && (FT_OK !=status)); j++) printf("%X %X %X\r\n", buffer[0], buffer[1], buffer[2]);
{
printf("read error... retrying \n"); printf("Leaving Command Mode.\r\n");
status = read_byte(I2C_DEVICE_ADDRESS_EEPROM,address, &data); write_hyt(I2C_DEVICE_ADDRESS_HYT,0x80,0x00,0x00);
} printf("%s\r\n",status);
printf("reading address %d data read=%d\n",address,data);
}
printf("Closing Handle\r\n");
status = I2C_CloseChannel(ftHandle); status = I2C_CloseChannel(ftHandle);
} }
...@@ -243,7 +264,5 @@ int main() ...@@ -243,7 +264,5 @@ int main()
Cleanup_libMPSSE(); Cleanup_libMPSSE();
#endif #endif
system("pause");
return 0; return 0;
} }
FTDI_I2C/proghyt.layout
+ 8
− 8
View file @ b2ed27d9
...@@ -6,17 +6,17 @@ LeftChar=1 ...@@ -6,17 +6,17 @@ LeftChar=1
[Editor_1] [Editor_1]
CursorCol=1 CursorCol=1
CursorRow=1 CursorRow=1
TopLine=119 TopLine=35
LeftChar=1 LeftChar=1
Open=1 Open=1
Top=1 Top=0
[Editors] [Editors]
Focused=1 Focused=0
Order=-1,0,1 Order=0,1
[Editor_0] [Editor_0]
Open=1 Open=1
Top=0 Top=1
CursorCol=5 CursorCol=31
CursorRow=161 CursorRow=259
TopLine=157 TopLine=216
LeftChar=1 LeftChar=1
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