hdw-ch32v003.c File Reference

Macros
#define	MAX_IN_TIMEOUT   1000
#define	DisableISR()
#define	EnableISR()
#define	GPIO_VAR_W1TC   (*GPIO_VAR_W1TC_R)
#define	GPIO_VAR_W1TS   (*GPIO_VAR_W1TS_R)
#define	GPIO_VAR_ENABLE_W1TC   (*GPIO_VAR_ENABLE_W1TC_R)
#define	GPIO_VAR_ENABLE_W1TS   (*GPIO_VAR_ENABLE_W1TS_R)
#define	GPIO_VAR_IN   (*GPIO_VAR_IN_R)
#define	IO_MUX_REG(x)
#define	XIO_MUX_REG(x)
#define	GPIO_NUM(x)
#define	XGPIO_NUM(x)

Functions
int	uprintf (const char *fmt,...)
	vaprintf stand-in for USB logging.
int	initCh32v003 (int swdio_pin)
int	ch32v003WriteMemory (const uint8_t *binary, uint32_t length, uint32_t offset)
	Write to memory on the ch32v003.
int	ch32v003WriteFlash (const uint8_t *buf, int sz)
	Write data into the ch32v003's flash.
int	ch32v003Resume ()
	Cause the 003 to reboot and execute the program loaded into it.
int	ch32v003ReadMemory (uint8_t *binary, uint32_t length, uint32_t offset)
	Read data from the ch32v003's memory space into host processor memory space.
int	ch32v003GetReg (int regno, uint32_t *value)
	Read ch32v003 debug module registers.
int	ch32v003SetReg (int regno, uint32_t regValue)
	Write ch32v003 debug module registers.
void	ch32v003CheckTerminal ()
	See if the ch32v003 has any pending printf to print on host processor.
void	ch32v003Teardown ()
	Disables ch32v003 communications.

Variables
struct SWIOState	swioContext

Macro Definition Documentation

MAX_IN_TIMEOUT

#define MAX_IN_TIMEOUT   1000

DisableISR

#define DisableISR

(

)

Value:

    do                                       \
    {                                        \
        XTOS_SET_INTLEVEL(XCHAL_EXCM_LEVEL); \
        portbenchmarkINTERRUPT_DISABLE();    \
    } while (0)

EnableISR

#define EnableISR

(

)

Value:

    do                                     \
    {                                      \
        portbenchmarkINTERRUPT_RESTORE(0); \
        XTOS_SET_INTLEVEL(0);              \
    } while (0)

GPIO_VAR_W1TC

#define GPIO_VAR_W1TC   (*GPIO_VAR_W1TC_R)

GPIO_VAR_W1TS

#define GPIO_VAR_W1TS   (*GPIO_VAR_W1TS_R)

GPIO_VAR_ENABLE_W1TC

#define GPIO_VAR_ENABLE_W1TC   (*GPIO_VAR_ENABLE_W1TC_R)

GPIO_VAR_ENABLE_W1TS

#define GPIO_VAR_ENABLE_W1TS   (*GPIO_VAR_ENABLE_W1TS_R)

GPIO_VAR_IN

#define GPIO_VAR_IN   (*GPIO_VAR_IN_R)

IO_MUX_REG

#define IO_MUX_REG

(

x

)

Value:

XIO_MUX_REG(x)

XIO_MUX_REG

#define XIO_MUX_REG

(

x

)

Value:

(IO_MUX_GPIO0_REG + (x * 4))

GPIO_NUM

#define GPIO_NUM

(

x

)

Value:

XGPIO_NUM(x)

XGPIO_NUM

#define XGPIO_NUM

(

x

)

Value:

(GPIO_NUM_0 + (x * 4))

Function Documentation

uprintf()

int uprintf	(	const char *	fmt,
			... )

vaprintf stand-in for USB logging.

Parameters

fmt	vaprintf format
...	vaprintf args

Returns

size Number of characters that were written.

initCh32v003()

int initCh32v003

(

int

swdio_pin

)

ch32v003WriteMemory()

int ch32v003WriteMemory	(	const uint8_t *	binary,
		uint32_t	length,
		uint32_t	offset )

Write to memory on the ch32v003.

Parameters

binary	A binary image to be loaded into a location in the ch32v003.
length	The size of the binary image.
offset	The offset of the binary image.s

ch32v003WriteFlash()

int ch32v003WriteFlash	(	const uint8_t *	buf,
		int	sz )

Write data into the ch32v003's flash.

Parameters

buf	A pointer to a binary image in the master processor
sz	The size of the binary image to be written

Returns

0 if OK, nonzero in error condition.

ch32v003Resume()

int ch32v003Resume

(

)

Cause the 003 to reboot and execute the program loaded into it.

Returns

0 if OK, nonzero in error condition.

ch32v003ReadMemory()

int ch32v003ReadMemory	(	uint8_t *	binary,
		uint32_t	length,
		uint32_t	offset )

Read data from the ch32v003's memory space into host processor memory space.

Parameters

binary	A pointer to a buffer in the host processor
length	The number of bytes to read
offset	The location of memory to read in the ch32v003

Returns

0 if OK, nonzero if error.

ch32v003GetReg()

int ch32v003GetReg	(	int	regno,
		uint32_t *	value )

Read ch32v003 debug module registers.

Parameters

regno	The debug module register number.
value	A pointer to the uint32_t to receive that register's value.

Returns

0 if OK, nonzero if error.

ch32v003SetReg()

int ch32v003SetReg	(	int	regno,
		uint32_t	regValue )

Write ch32v003 debug module registers.

Parameters

regno	The debug module register number.
regValue	The value to write into that debug module regsiter

Returns

0 if OK, nonzero if error.

ch32v003CheckTerminal()

void ch32v003CheckTerminal

(

)

See if the ch32v003 has any pending printf to print on host processor.

ch32v003Teardown()

void ch32v003Teardown

(

)

Disables ch32v003 communications.

Variable Documentation

swioContext

struct SWIOState swioContext