.PHONY: all
PROGS = cpmfg cpread cpio cptwiddle cpfactory
+CFLAGS += -I../
# LDFLAGS += -lusb
all: $(PROGS)
$(PROGS): %: %.o
clean:
- @rm -rf $(PROGS) $(PROGS:%=%.o)
+ rm -rf $(PROGS) $(PROGS:%=%.o)
* Reset the cp2103 IO registers back to factory defaults.
*/
+#include <fcntl.h>
+#include <netinet/in.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <fcntl.h>
-
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-
-typedef struct {
- uint16_t mode;
- uint16_t lowPower;
- uint16_t latch;
-} cp2103_port_state_t;
-
-typedef struct {
- cp2103_port_state_t reset;
- cp2103_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2103_port_config_t;
+#include <unistd.h>
+#include <cp210x.h>
int cpConnect(char* device)
{
- int ret, ioval;
int fd = open(device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "cannot open tty\n");
int main(int argc, char* argv[])
{
int fd;
- cp2103_port_config_t config;
- cp2103_port_config_t saveConfig;
- uint8_t saveGpio;
+ struct cp210x_port_config config;
int ret;
- int i;
if (argc != 2) {
fprintf(stderr, "usage: %s <tty>\n", argv[0]);
return 1;
/* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFGET, &config))) {
fprintf(stderr, "portconfget ioctl failed %d\n", ret);
return 1;
}
printf("port config received\n");
- /* Mode and latch bit to pin assignments. See AN223 from SiLabs:
- * https://www.silabs.com/Support Documents/TechnicalDocs/an223.pdf
- *
- * 15 - /SUSPEND Can't configure latch
- * 14 - SUSPEND Can't configure latch
- * 13 - unused
- * 12 - unused
- * 11 - GPIO_3
- * 10 - GPIO_2
- * 9 - GPIO_1
- * 8 - GPIO_0
- * 7 - /CTS
- * 6 - /RTS
- * 5 - RXD Note: set latch value to '1' for proper operation.
- * 4 - TXD
- * 3 - /DSR
- * 2 - /DTR
- * 1 - /DCD
- * 0 - /RI
- *
- * Mode bit values:
- * 1 - A value of one in a bit places the corresponding IO pin in push-
- * pull output mode.
- * 0 - A value of zero in a bit places the corresponding IO pin in open-
- * drain output mode.
- *
- * Latch bit values:
- * 1 - A value of one in a bit sets the corresponding IO pin's value to
- * output high. If the mode is push-pull, the pin sources current
- * from VIO. If the mode is open-drain, the pin driver is in high
- * impedance.
- * 0 - A value of zero in a bit sets the corresponding IO pin's value to
- * output low. In either mode, push-pull or open-drain, the pin
- * driver sinks current to ground.
- *
- * Enhanced function bits:
- * 7 - GPIO dynamic suspend, for 4 GPIO signals
- * 6 - Serial dynamic suspend, for 8 UART/Modem signals
- * 5 - unused, leave zero
- * 4 - Enable weak pull-ups
- * 3 - unused, leave zero
- * 2 - /RS485_TX on GPIO_2
- * 1 - /RXLED on GPIO_1
- * 0 - /TXLED on GPIO_0
- */
config.reset.mode = 0xf054;
config.suspend.mode = 0xf054;
config.reset.latch = 0x0fff; /* RXD must be 1 for some reason */
config.suspend.latch = 0x0fff; /* RXD must be 1 for some reason */
config.enhancedFxn = 0x00;
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFSET, &config))) {
fprintf(stderr, "portconfset ioctl failed %d\n", ret);
return 1;
}
printf("port config altered\n");
/* Reset the part */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_DEVICERESET, 0))) {
fprintf(stderr, "device reset ioctl failed %d\n", ret);
return 1;
}
* Configure the and GPIO configuration for a cp2103-equipped device.
*/
+#include <fcntl.h>
#include <netinet/in.h>
#include <stdint.h>
#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <fcntl.h>
-
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-
-/* Port config definitions */
-typedef struct {
- uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
- uint16_t lowPower;
- uint16_t latch; /* Logic high = 1, Logic low = 0 */
-} cp2101_port_state_t;
-
-typedef struct {
- cp2101_port_state_t reset;
- cp2101_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2101_port_config_t;
-
-void exit(int);
+#include <unistd.h>
+#include <cp210x.h>
int cpConnect(char* device)
{
- int ret, ioval;
int fd = open(device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "cannot open %s\n", device);
void cpSetPortConf(int fd, int nopullups)
{
int ret;
- cp2101_port_config_t config;
+ struct cp210x_port_config config;
/* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFGET, &config))) {
fprintf(stderr, "portconfget ioctl failed %d\n", ret);
exit(1);
}
if (nopullups)
config.enhancedFxn &= ~0x10;
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFSET, &config))) {
fprintf(stderr, "portconfset ioctl failed %d\n", ret);
exit(1);
}
int ret;
/* Reset the part */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_DEVICERESET, 0))) {
fprintf(stderr, "device reset ioctl %d\n", ret);
exit(1);
}
/**
- * cpcfg.c
+ * cpmfg.c
*
* Configure the USB descriptor and GPIO configurations for a cp2103-equipped
* device.
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
-#include "../cp210x.h"
+#include <cp210x.h>
#define VID 0x10c4
#define PID 0xea60
* Read the configuration of a cp2103-equipped device.
*/
+#include <fcntl.h>
#include <netinet/in.h>
#include <stdint.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <fcntl.h>
-
-#define VID 0x10c4
-#define PID 0xea60
-
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-/* CP2103 GPIO */
-#define GPIO_0 0x01
-#define GPIO_1 0x02
-#define GPIO_2 0x04
-#define GPIO_3 0x08
-#define GPIO_MASK (GPIO_0|GPIO_1|GPIO_2|GPIO_3)
-
-/* Port config definitions */
-typedef struct {
- uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
- uint16_t lowPower;
- uint16_t latch; /* Logic high = 1, Logic low = 0 */
-} cp2101_port_state_t;
-
-typedef struct {
- cp2101_port_state_t reset;
- cp2101_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2101_port_config_t;
-
-#define PORT_CONFIG_LEN 13 /* Because sizeof() will pad to full words */
-
-/* Used to pass variable sized buffers between user and kernel space (ioctls) */
-typedef struct {
- char* buf;
- size_t len;
-} cp210x_buffer_t;
-
-void exit(int);
+#include <unistd.h>
+#include <cp210x.h>
int cpConnect(char* device)
{
- int ret, ioval;
int fd = open(device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "cannot open %s\n", device);
close(fd);
}
-void printState(cp2101_port_state_t* state)
+void printState(struct cp210x_port_state* state)
{
printf("m:0x%02x lp:0x%02x l:0x%02x", state->mode, state->lowPower,
state->latch);
}
-void printConfig(cp2101_port_config_t* config)
+void printConfig(struct cp210x_port_config* config)
{
printf("config: reset: "); printState(&config->reset);
printf("\nconfig: suspend: "); printState(&config->reset);
int ret;
/* Reset the part */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_DEVICERESET, 0))) {
fprintf(stderr, "device reset ioctl %d\n", ret);
exit(1);
}
int main(int argc, char* argv[])
{
- cp2101_port_config_t config;
+ struct cp210x_port_config config;
uint8_t gpio = 0xff;
int ret;
int fd;
fd = cpConnect(argv[1]);
/* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFGET, &config))) {
fprintf(stderr, "portconfget ioctl failed %d\n", ret);
return 1;
}
/* Read the current gpio latches */
- if ((ret = ioctl(fd, IOCTL_GPIOGET, &gpio))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_GPIOGET, &gpio))) {
fprintf(stderr, "gpioget ioctl failed %d\n", ret);
return 1;
}
* - Twiddles the LEDs
* - Restores the original configuration
* - Resets the device again so that the original config is immediately active
- *
- * Watch out; the tty device is hard-coded.
*/
+#include <fcntl.h>
+#include <netinet/in.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <fcntl.h>
-
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-
-typedef struct {
- uint16_t mode;
- uint16_t lowPower;
- uint16_t latch;
-} cp2103_port_state_t;
-
-typedef struct {
- cp2103_port_state_t reset;
- cp2103_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2103_port_config_t;
+#include <unistd.h>
+#include <cp210x.h>
int cpConnect(char* device)
{
- int ret, ioval;
int fd = open(device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "cannot open tty\n");
int main(int argc, char* argv[])
{
int fd;
- cp2103_port_config_t config;
- cp2103_port_config_t saveConfig;
+ struct cp210x_port_config config;
+ struct cp210x_port_config saveConfig;
uint8_t saveGpio;
int ret;
int i;
return 1;
/* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFGET, &config))) {
fprintf(stderr, "portconfget ioctl failed %d\n", ret);
return 1;
}
printf("port config received\n");
/* Read the current gpio latches */
- if ((ret = ioctl(fd, IOCTL_GPIOGET, &saveGpio))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_GPIOGET, &saveGpio))) {
fprintf(stderr, "gpioget ioctl failed %d\n", ret);
return 1;
}
config.suspend.mode &= ~0x0300;
config.reset.latch |= 0x0300;
config.enhancedFxn &= ~0x03;
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFSET, &config))) {
fprintf(stderr, "portconfset ioctl failed %d\n", ret);
return 1;
}
printf("port config altered\n");
/* Reset the part */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_DEVICERESET, 0))) {
fprintf(stderr, "device reset ioctl failed %d\n", ret);
return 1;
}
/* Now, twiddle some bits */
for (i = 0; i < 8; i++) {
uint8_t leds = i & 0x03;
- if ((ret = ioctl(fd, IOCTL_GPIOSET, leds))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_GPIOSET, leds))) {
fprintf(stderr, "gpio set ioctl failed %d\n", ret);
return 1;
}
}
/* Restore the original latches */
- if ((ret = ioctl(fd, IOCTL_GPIOSET, saveGpio))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_GPIOSET, saveGpio))) {
fprintf(stderr, "gpio set ioctl failed %d\n", ret);
return 1;
}
printf("gpio latches restored\n");
/* Return the original configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &saveConfig))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_PORTCONFSET, &saveConfig))) {
fprintf(stderr, "portconfset ioctl failed %d\n", ret);
return 1;
}
printf("port config restored\n");
/* Reset the part again */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ if ((ret = ioctl(fd, CP210x_IOCTL_DEVICERESET, 0))) {
fprintf(stderr, "device reset ioctl failed %d\n", ret);
return 1;
}
projects / cp210x.git / commitdiff