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author | Philip Balister <philip@opensdr.com> | 2010-09-09 10:02:10 -0400 |
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committer | Philip Balister <philip@opensdr.com> | 2010-09-09 10:02:10 -0400 |
commit | d2d5be27b09faee1481a763ce25e7b95460a46c9 (patch) | |
tree | f73e5c39fd7bc11e61e9327c07bc1ba8b5980de2 /host/utils/usrp-e-i2c.c | |
parent | cd84e9dbfcc12584eba890a6618d38832e5d8dba (diff) | |
download | uhd-d2d5be27b09faee1481a763ce25e7b95460a46c9.tar.gz uhd-d2d5be27b09faee1481a763ce25e7b95460a46c9.tar.bz2 uhd-d2d5be27b09faee1481a763ce25e7b95460a46c9.zip |
Add clkgen-config, usrp-e-i2c and usrp-e-spi to the installed utils.
Diffstat (limited to 'host/utils/usrp-e-i2c.c')
-rw-r--r-- | host/utils/usrp-e-i2c.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/host/utils/usrp-e-i2c.c b/host/utils/usrp-e-i2c.c new file mode 100644 index 000000000..c6fd4c632 --- /dev/null +++ b/host/utils/usrp-e-i2c.c @@ -0,0 +1,87 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <fcntl.h> +#include <sys/ioctl.h> + +#include <linux/usrp_e.h> + +// Usage: usrp_e_i2c w address data0 data1 data 2 .... +// Usage: usrp_e_i2c r address count + +int main(int argc, char *argv[]) +{ + int fp, ret, i, tmp; + struct usrp_e_i2c *i2c_msg; + int direction, address, count; + + if (argc < 3) { + printf("Usage: usrp-e-i2c w address data0 data1 data2 ...\n"); + printf("Usage: usrp-e-i2c r address count\n"); + printf("All addresses and data in hex.\n"); + exit(-1); + } + + if (strcmp(argv[1], "r") == 0) { + direction = 0; + } else if (strcmp(argv[1], "w") == 0) { + direction = 1; + } else { + return -1; + } + + sscanf(argv[2], "%X", &address); + printf("Address = %X\n", address); + + fp = open("/dev/usrp_e0", O_RDWR); + printf("fp = %d\n", fp); + if (fp < 0) { + perror("Open failed"); + return -1; + } + +// sleep(1); + + if (direction) { + count = argc - 3; + } else { + sscanf(argv[3], "%X", &count); + } + printf("Count = %X\n", count); + + i2c_msg = malloc(sizeof(i2c_msg) + count * sizeof(char)); + + i2c_msg->addr = address; + i2c_msg->len = count; + + for (i = 0; i < count; i++) { + i2c_msg->data[i] = i; + } + + if (direction) { + // Write + + for (i=0; i<count; i++) { + sscanf(argv[3+i], "%X", &tmp); + i2c_msg->data[i] = tmp; + } + + ret = ioctl(fp, USRP_E_I2C_WRITE, i2c_msg); + printf("Return value from i2c_write ioctl: %d\n", ret); + } else { + // Read + + ret = ioctl(fp, USRP_E_I2C_READ, i2c_msg); + printf("Return value from i2c_read ioctl: %d\n", ret); + + printf("Ioctl: %d Data read :", ret); + for (i=0; i<count; i++) { + printf(" %X", i2c_msg->data[i]); + } + printf("\n"); + + } + return 0; +} |