diff options
Diffstat (limited to 'host')
| -rw-r--r-- | host/apps/omap_debug/Makefile | 6 | ||||
| -rw-r--r-- | host/apps/omap_debug/usrp-e-uart.c | 37 |
2 files changed, 42 insertions, 1 deletions
diff --git a/host/apps/omap_debug/Makefile b/host/apps/omap_debug/Makefile index 34446ccc3..13b834e28 100644 --- a/host/apps/omap_debug/Makefile +++ b/host/apps/omap_debug/Makefile @@ -1,6 +1,6 @@ CFLAGS=-Wall -all : usrp-e-spi usrp-e-i2c usrp-e-rw +all : usrp-e-spi usrp-e-i2c usrp-e-rw usrp-e-uart usrp-e-spi : usrp-e-spi.c @@ -8,8 +8,12 @@ usrp-e-i2c : usrp-e-i2c.c usrp-e-rw : usrp-e-rw.c gcc -o $@ $< -lpthread + +usrp-e-uart : usrp-e-uart.c + clean : rm -f usrp-e-spi rm -f usrp-e-i2c rm -f usrp-e-rw + rm -f usrp-e-uart diff --git a/host/apps/omap_debug/usrp-e-uart.c b/host/apps/omap_debug/usrp-e-uart.c new file mode 100644 index 000000000..92f89f45c --- /dev/null +++ b/host/apps/omap_debug/usrp-e-uart.c @@ -0,0 +1,37 @@ +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <fcntl.h> +#include <string.h> +#include <sys/ioctl.h> + +#include "usrp_e.h" + +// Usage: usrp_e_uart <string> + +#define UART_WRITE_ADDR ((1<<6) + 16) + +int main(int argc, char *argv[]) +{ + int fp, i, ret; + struct usrp_e_ctl16 d; + char *str = argv[1]; + + if (argc < 2) { + printf("Usage: usrp_e_uart <string>n"); + exit(-1); + } + + fp = open("/dev/usrp_e0", O_RDWR); + printf("fp = %d\n", fp); + + for (i=0; i<strlen(str); i++) { + d.offset = UART_WRITE_ADDR; + d.count = 1; + d.buf[0] = str[i]; + ret = ioctl(fp, USRP_E_WRITE_CTL16, &d); + printf("Wrote %X, to %X, ret = %d\n", d.buf[0], d.offset, ret); + } + + return 0; +} |