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authorPhilip Balister <philip@opensdr.com>2010-09-09 10:02:10 -0400
committerPhilip Balister <philip@opensdr.com>2010-09-09 10:02:10 -0400
commitd2d5be27b09faee1481a763ce25e7b95460a46c9 (patch)
treef73e5c39fd7bc11e61e9327c07bc1ba8b5980de2 /host/utils/usrp-e-spi.c
parentcd84e9dbfcc12584eba890a6618d38832e5d8dba (diff)
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Add clkgen-config, usrp-e-i2c and usrp-e-spi to the installed utils.
Diffstat (limited to 'host/utils/usrp-e-spi.c')
-rw-r--r--host/utils/usrp-e-spi.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/host/utils/usrp-e-spi.c b/host/utils/usrp-e-spi.c
new file mode 100644
index 000000000..5203f56a8
--- /dev/null
+++ b/host/utils/usrp-e-spi.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include <linux/usrp_e.h>
+
+// Usage: usrp_e_spi w|rb slave data
+
+int main(int argc, char *argv[])
+{
+ int fp, slave, length, ret;
+ unsigned int data;
+ struct usrp_e_spi spi_dat;
+
+ if (argc < 5) {
+ printf("Usage: usrp_e_spi w|rb slave transfer_length data\n");
+ exit(-1);
+ }
+
+ slave = atoi(argv[2]);
+ length = atoi(argv[3]);
+ data = atoll(argv[4]);
+
+ printf("Data = %X\n", data);
+
+ fp = open("/dev/usrp_e0", O_RDWR);
+ printf("fp = %d\n", fp);
+ if (fp < 0) {
+ perror("Open failed");
+ return -1;
+ }
+
+// sleep(1);
+
+
+ spi_dat.slave = slave;
+ spi_dat.data = data;
+ spi_dat.length = length;
+ spi_dat.flags = UE_SPI_PUSH_FALL | UE_SPI_LATCH_RISE;
+
+ if (*argv[1] == 'r') {
+ spi_dat.readback = 1;
+ ret = ioctl(fp, USRP_E_SPI, &spi_dat);
+ printf("Ioctl returns: %d, Data returned = %d\n", ret, spi_dat.data);
+ } else {
+ spi_dat.readback = 0;
+ ioctl(fp, USRP_E_SPI, &spi_dat);
+ }
+
+ return 0;
+}