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sli.c File Reference
Standard Library Interface.
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void * sli_memcpy (unsigned char *to, unsigned char const *from, unsigned int n) Copies a block of memory in RAM. int sli_strlen (char const *s) Obtain string length. int sli_strcmp (char const *s1, char const *s2) Compares two strings. int sli_strncmp (char const *s1, char const *s2, unsigned int n) Compare strings for a specific length. void sli_memset (unsigned char *dest, char const val, unsigned int n) Copy a value repeatedly into a block of memory. void sli_puts (uint8_t *s) Prints a string to stdout (using plat_putByte) PmReturn_t sli_ltoa10 (int32_t value, uint8_t *buf, uint8_t buflen) Formats a 32-bit signed int as a decimal value. PmReturn_t sli_btoa16 (uint8_t value, uint8_t *buf, uint8_t buflen, uint8_t upperCase) Formats an 8-bit int as a hexadecimal value. PmReturn_t sli_ltoa16 (int32_t value, uint8_t *buf, uint8_t buflen, uint8_t upperCase) Formats a 32-bit signed int as a hexadecimal value. PmReturn_t sli_ptoa16 (intptr_t value, uint8_t *buf, uint8_t buflen, uint8_t upperCase) Formats a pointer as a hexadecimal value. PmReturn_t sli_ftoa (float f, uint8_t *buf, uint8_t buflen) Formats a 32-bit (single-precision) float as an ascii string.
Detailed Description
Standard Library Interface.
PyMite requires a few functions from a few different standard C libraries (memory, string, etc).
Definition in file sli.c .
Function Documentation
PmReturn_t sli_btoa16 (
uint8_t
value ,
uint8_t *
buf ,
uint8_t
buflen ,
uint8_t
upperCase
)
Formats an 8-bit int as a hexadecimal value.
Parameters:
value the 8-bit value buf a pointer to where the formatted string goes buflen the length of the given buffer in bytes upperCase when zero, hex chars rendered lowercase, else uppercase
Returns: Always PM_RET_OK Definition at line 225 of file sli.c .
PmReturn_t sli_ftoa (
float
f ,
uint8_t *
buf ,
uint8_t
buflen
)
Formats a 32-bit (single-precision) float as an ascii string.
Parameters:
f the float value buf a pointer to where the formatted string goes buflen the size of the buffer
Returns: Status Definition at line 299 of file sli.c .
PmReturn_t sli_ltoa10 (
int32_t
value ,
uint8_t *
buf ,
uint8_t
buflen
)
Formats a 32-bit signed int as a decimal value.
Parameters:
value the 32-bit signed value buf a pointer to where the formatted string goes buflen the length of the given buffer in bytes
Returns: a pointer to the string. Definition at line 164 of file sli.c .
PmReturn_t sli_ltoa16 (
int32_t
value ,
uint8_t *
buf ,
uint8_t
buflen ,
uint8_t
upperCase
)
Formats a 32-bit signed int as a hexadecimal value.
Parameters:
value the 32-bit signed value buf a pointer to where the formatted string goes buflen the length of the given buffer in bytes upperCase when zero, hex chars rendered lowercase, else uppercase
Returns: Always PM_RET_OK Definition at line 245 of file sli.c .
void* sli_memcpy
(
unsigned char *
to ,
unsigned char const *
from ,
unsigned int
n
)
Copies a block of memory in RAM.
Parameters:
to The destination address. from The source address. n The number of bytes to copy.
Returns: The initial pointer value of the destination See also: mem_copy Definition at line 32 of file sli.c .
void sli_memset
(
unsigned char *
dest ,
const char
val ,
unsigned int
n
)
Copy a value repeatedly into a block of memory.
Parameters:
dest the destination address. val the value. n the number of bytes to copy.
Returns: Nothing See also: memset Definition at line 135 of file sli.c .
PmReturn_t sli_ptoa16 (
intptr_t
value ,
uint8_t *
buf ,
uint8_t
buflen ,
uint8_t
upperCase
)
Formats a pointer as a hexadecimal value.
Parameters:
value the pointer buf a pointer to where the formatted string goes buflen the length of the given buffer in bytes upperCase when zero, hex chars rendered lowercase, else uppercase
Returns: Always PM_RET_OK Definition at line 272 of file sli.c .
void sli_puts
(
uint8_t *
s )
Prints a string to stdout (using plat_putByte)
Parameters:
s Pointer to the C string to print
Definition at line 147 of file sli.c .
int sli_strcmp
(
char const *
s1 ,
char const *
s2
)
Compares two strings.
Parameters:
s1 Ptr to string 1. s2 Ptr to string 2.
Returns: value that is less then, equal to or greater than 0 depending on whether s1's encoding is less than, equal to, or greater than s2's. Definition at line 91 of file sli.c .
int sli_strlen
(
char const *
s )
Obtain string length.
Parameters:
Returns: number of bytes in string. Definition at line 77 of file sli.c .
int sli_strncmp
(
char const *
s1 ,
char const *
s2 ,
unsigned int
n
)
Compare strings for a specific length.
Parameters:
s1 ptr to string 1. s2 ptr to string 2. n number of chars to compare
Returns: value that is less then, equal to or greater than 0 depending on whether s1's encoding is less than, equal to, or greater than s2's. Definition at line 106 of file sli.c .
Norimasa Okamoto
1.7.2