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Code Issues Releases Wiki Activity

add i2c commands

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This commit is contained in:
Ralph Metzler 2017-09-20 02:36:58 +02:00
parent 92b64711ec
commit 7756a09420
1 changed files with 116 additions and 0 deletions
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116
apps/octonet/ddtest.c
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@ -1319,6 +1319,120 @@ int read_id(int dev, int argc, char* argv[], uint32_t Flags)
}
int i2cread(int dev, int argc, char* argv[], uint32_t Flags)
{
uint8_t BusNumber = 0;
uint8_t DeviceAddress = 0;
int i;
uint32_t tmp;
char *p;
uint32_t BufferLength;
uint32_t ReadLen;
uint8_t *Buffer;
int Repeat = (Flags & REPEAT_FLAG) != 0;
int Silent = (Flags & SILENT_FLAG) != 0;
if (argc < 2)
return -1;
tmp = strtoul(argv[0],&p,16);
if (tmp > 255)
return -1;
if (*p == ':') {
BusNumber = (uint8_t) (tmp - 1);
tmp = strtoul(&p[1],NULL,16);
}
if (tmp > 255 || BusNumber > 3)
return -1;
DeviceAddress = (uint8_t) tmp;
BufferLength = (argc-2);
ReadLen = strtoul(argv[argc-1],NULL,0);
if (ReadLen > BufferLength)
BufferLength = ReadLen ;
printf(" BufferLength = %d tmp = %d\n", BufferLength, ReadLen);
Buffer = malloc(BufferLength);
for (i = 1; i < (argc-1); i += 1 ) {
tmp = strtoul(argv[i],NULL,16);
if (tmp > 255) {
free(Buffer);
return -1;
}
Buffer[i-1] = (uint8_t) tmp;
}
do {
int hr = i2c_read(dev, BusNumber, DeviceAddress, Buffer, argc-2, Buffer, ReadLen);
if (hr < 0) {
printf("ioctl error\n");
free(Buffer);
return 0;
}
if (!Silent) {
printf("OK\n");
Dump(&Buffer[0],0,ReadLen);
}
} while (Repeat);
free(Buffer);
return 0;
}
int i2cwrite(int dev, int argc, char* argv[], uint32_t Flags)
{
uint8_t BusNumber = 0;
uint8_t DeviceAddress = 0;
uint32_t tmp;
char *p;
uint8_t *Buffer;
int i;
int Repeat = (Flags & REPEAT_FLAG) != 0;
int Silent = (Flags & SILENT_FLAG) != 0;
if( argc < 1 )
return -1;
tmp = strtoul(argv[0],&p,16);
if( tmp > 255 )
return -1;
if (*p == ':') {
BusNumber = (uint8_t) (tmp - 1);
tmp = strtoul(&p[1],NULL,16);
}
if( tmp > 255 || BusNumber > 3)
return -1;
DeviceAddress = (uint8_t) tmp;
Buffer = malloc(argc - 1);
for (i = 1; i < argc; i += 1) {
tmp = strtoul(argv[i],NULL,16);
if (tmp > 255 ) {
free(Buffer);
return -1;
}
Buffer[i-1] = (uint8_t) tmp;
}
do {
int hr =i2c_write(dev, BusNumber,DeviceAddress,NULL,0,Buffer,argc-1);
if (hr < 0) {
printf("ioctl error\n");
free(Buffer);
return 0;
}
if( !Silent )
printf("OK\n");
} while( Repeat );
free(Buffer);
return 0;
}
struct SCommand CommandTable[] =
{
{ "memread", ReadDeviceMemory, 1, "Read Device Memory : memread <start> <count>" },
@ -1343,6 +1457,8 @@ struct SCommand CommandTable[] =
{ "licexport", lic_export, 1, "License Export : licexport" },
{ "licerase", lic_erase, 1, "License Erase : licerase" },
{ "read_id", read_id, 1, "Read Unique ID : read_id" },
{ "i2cread", i2cread, 1, "I2C Read : I2CRead <[BusNumber:]DeviceAddress> [<write data>..] <read count>" },
{ "i2write", i2cwrite, 1, "I2C Write : I2CWrite <[BusNumber:]DeviceAddress> [<write data>..]"},
{ NULL,NULL,0 }
};