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authorJosh Blum <josh@joshknows.com>2010-11-23 13:50:37 -0800
committerJosh Blum <josh@joshknows.com>2010-11-23 13:50:37 -0800
commit30ce5acedd3e0dc6fc97d7597781a0a4828812f2 (patch)
tree28d010c0938121f587e1820849c34ee900e7f74b /host/utils/usrp-e-debug-pins.c
parent8ce75a3ca7a51f4bdee87d78a610a0f2519473ae (diff)
parent13ae4786e091d5581baf31c9967dca822ef15e39 (diff)
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Merge branch 'usrp_e100' into next
Conflicts: images/Makefile
Diffstat (limited to 'host/utils/usrp-e-debug-pins.c')
-rw-r--r--host/utils/usrp-e-debug-pins.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/host/utils/usrp-e-debug-pins.c b/host/utils/usrp-e-debug-pins.c
new file mode 100644
index 000000000..1ed2c8983
--- /dev/null
+++ b/host/utils/usrp-e-debug-pins.c
@@ -0,0 +1,77 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include <linux/usrp_e.h>
+#include "usrp_e_regs.hpp"
+
+// Usage: usrp_e_gpio <string>
+
+static int fp;
+
+static int read_reg(__u16 reg)
+{
+ int ret;
+ struct usrp_e_ctl16 d;
+
+ d.offset = reg;
+ d.count = 1;
+ ret = ioctl(fp, USRP_E_READ_CTL16, &d);
+ return d.buf[0];
+}
+
+static void write_reg(__u16 reg, __u16 val)
+{
+ int ret;
+ struct usrp_e_ctl16 d;
+
+ d.offset = reg;
+ d.count = 1;
+ d.buf[0] = val;
+ ret = ioctl(fp, USRP_E_WRITE_CTL16, &d);
+}
+
+int main(int argc, char *argv[])
+{
+ int test;
+
+ test = 0;
+ if (argc < 2) {
+ printf("%s 0|1|off\n", argv[0]);
+ }
+
+ fp = open("/dev/usrp_e0", O_RDWR);
+ printf("fp = %d\n", fp);
+ if (fp < 0) {
+ perror("Open failed");
+ return -1;
+ }
+
+ if (strcmp(argv[1], "0") == 0) {
+ printf("Selected 0 based on %s\n", argv[1]);
+ write_reg(UE_REG_GPIO_TX_DDR, 0xFFFF);
+ write_reg(UE_REG_GPIO_RX_DDR, 0xFFFF);
+ write_reg(UE_REG_GPIO_TX_SEL, 0x0);
+ write_reg(UE_REG_GPIO_RX_SEL, 0x0);
+ write_reg(UE_REG_GPIO_TX_DBG, 0xFFFF);
+ write_reg(UE_REG_GPIO_RX_DBG, 0xFFFF);
+ } else if (strcmp(argv[1], "1") == 0) {
+ printf("Selected 1 based on %s\n", argv[1]);
+ write_reg(UE_REG_GPIO_TX_DDR, 0xFFFF);
+ write_reg(UE_REG_GPIO_RX_DDR, 0xFFFF);
+ write_reg(UE_REG_GPIO_TX_SEL, 0xFFFF);
+ write_reg(UE_REG_GPIO_RX_SEL, 0xFFFF);
+ write_reg(UE_REG_GPIO_TX_DBG, 0xFFFF);
+ write_reg(UE_REG_GPIO_RX_DBG, 0xFFFF);
+ } else {
+ printf("Selected off based on %s\n", argv[1]);
+ write_reg(UE_REG_GPIO_TX_DDR, 0x0);
+ write_reg(UE_REG_GPIO_RX_DDR, 0x0);
+ }
+
+ return 0;
+}