diff options
Diffstat (limited to 'client')
| -rw-r--r-- | client/main.c | 30 | ||||
| -rw-r--r-- | client/makefile | 3 | ||||
| -rw-r--r-- | client/serial.h | 18 | ||||
| -rw-r--r-- | client/serial_linux.c | 99 | ||||
| -rw-r--r-- | client/serial_win32.c | 10 |
5 files changed, 159 insertions, 1 deletions
diff --git a/client/main.c b/client/main.c index 76e8197..d51f30b 100644 --- a/client/main.c +++ b/client/main.c @@ -1 +1,29 @@ -int main() { return 0; } +#include "serial.h" + +#include <stdio.h> +#include <unistd.h> + +int main(int argc, char **argv) { + if (argc < 2) { + printf("usage: %s <serial port>\n", argv[0]); + return 1; + } + + if (w2_serial_open(argv[1]) == 0) { + printf("serial port open fout"); + return 1; + } + + printf("writing...\n"); + bool success = w2_serial_write("\xff\x14", 2); + printf("writing %s\n", success ? "succeeded" : "failed"); + + printf("reading...\n"); + while (1) { + int res = w2_serial_read(); + if (res == -1) continue; + + printf("%02x ", (uint8_t)res); + fflush(stdout); + } +} diff --git a/client/makefile b/client/makefile index f79dd11..87d06a9 100644 --- a/client/makefile +++ b/client/makefile @@ -4,11 +4,14 @@ RM = rm -f CFLAGS = EXECNAME = main +include ../shared/os.mk + all: $(EXECNAME) SOURCES := $(wildcard *.c) HEADERS := $(wildcard *.h) # include ../shared/makefile + OBJECTS := $(patsubst %.c,%.o, $(SOURCES)) .o: diff --git a/client/serial.h b/client/serial.h new file mode 100644 index 0000000..caa3cda --- /dev/null +++ b/client/serial.h @@ -0,0 +1,18 @@ +#pragma once + +#include "../shared/bool.h" + +/** @file serial.h */ + +/** + * read byte from serial port + * + * @return -1 if read fails, else char read + */ +int w2_serial_read(); +/** write `data` with length `length` to serial port */ +bool w2_serial_write(char *data, uint8_t length); +/** open serial port */ +bool w2_serial_open(const char *port_name); +/** close serial port */ +void w2_serial_close(); diff --git a/client/serial_linux.c b/client/serial_linux.c new file mode 100644 index 0000000..ae8e646 --- /dev/null +++ b/client/serial_linux.c @@ -0,0 +1,99 @@ +#ifdef W2_HOST_LINUX + +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <termios.h> +#include <unistd.h> + +#include "../shared/consts.h" +#include "serial.h" + +struct termios g_w2_tty; +struct termios g_w2_tty_old; +int g_w2_serial_handle; + +char g_w2_serial_buffer[W2_SERIAL_READ_BUFFER_SIZE]; +uint8_t g_w2_serial_buffer_index; +uint8_t g_w2_serial_buffer_head; + +speed_t w2_baud_map(int baud) { + switch (baud) { + case 9600: + return B9600; + case 19200: + return B19200; + case 38400: + return B38400; + case 57600: + return B57600; + case 115200: + return B115200; + case 230400: + return B230400; + case 460800: + return B460800; + case 500000: + return B500000; + case 576000: + return B576000; + case 921600: + return B921600; + case 1000000: + return B1000000; + case 1152000: + return B1152000; + case 1500000: + return B1500000; + case 2000000: + return B2000000; + case 2500000: + return B2500000; + case 3000000: + return B3000000; + case 3500000: + return B3500000; + case 4000000: + return B4000000; + default: + return B0; + } +} + +int w2_serial_read() { + int return_val; + int bytes = read(g_w2_serial_handle, &return_val, 1); + return return_val == -1 || bytes != 1 ? -1 : (uint8_t)return_val; +} + +bool w2_serial_write(char *data, uint8_t length) { + return write(g_w2_serial_handle, data, length) == length; +} + +bool w2_serial_open(const char *port_name) { + g_w2_serial_handle = open(port_name, O_RDWR | O_NOCTTY | O_NONBLOCK); + if (g_w2_serial_handle < 0 || tcgetattr(g_w2_serial_handle, &g_w2_tty) != 0) return false; + + g_w2_tty_old = g_w2_tty; + + speed_t baud = w2_baud_map(W2_SERIAL_BAUD); + cfsetospeed(&g_w2_tty, baud); + cfsetispeed(&g_w2_tty, baud); + + g_w2_tty.c_cflag &= ~(PARENB | CSTOPB | CSIZE | CRTSCTS); + g_w2_tty.c_cflag |= CS8 | CREAD | CLOCAL; + g_w2_tty.c_cc[VMIN] = 0; + g_w2_tty.c_cc[VTIME] = 0; + + cfmakeraw(&g_w2_tty); + + tcflush(g_w2_serial_handle, TCIFLUSH); + + if (tcsetattr(g_w2_serial_handle, TCSANOW, &g_w2_tty) != 0) return false; + + return true; +} + +void w2_serial_close() { close(g_w2_serial_handle); } + +#endif diff --git a/client/serial_win32.c b/client/serial_win32.c new file mode 100644 index 0000000..9406a34 --- /dev/null +++ b/client/serial_win32.c @@ -0,0 +1,10 @@ +#ifdef W2_HOST_WIN32 + +#include "serial.h" + +bool w2_serial_read(uint8_t *target, uint8_t bytes); +bool w2_serial_write(uint8_t *target, uint8_t bytes); +void w2_serial_open(); +void w2_serial_close(); + +#endif |