Primitive config file implementation

1 files changed, 43 insertions, 1 deletions

diff --git a/src/bg96.c b/src/bg96.c
index 620c960..21cd848 100644
--- a/src/bg96.c
+++ b/src/bg96.c
@@ -1,6 +1,7 @@
 #include "bg96.h"
-#include "gpio.h"
 #include "serial.h"
+#include "utils.h"
+#include <gpiod.h>
 #include <inttypes.h>
 #include <math.h>
 #include <stdio.h>
@@ -9,6 +10,47 @@
 #include <time.h>
 #include <unistd.h>
 
+int modemPowerToggle(char *pathToChip, int pinNum) {
+  struct gpiod_chip *chip;
+  struct gpiod_line *line;
+
+  chip = gpiod_chip_open(pathToChip);
+  if (!chip) {
+    perror("Error opening GPIO chip");
+    return 1;
+  }
+
+  line = gpiod_chip_get_line(chip, pinNum);
+  if (!line) {
+    perror("Error getting GPIO line");
+    gpiod_chip_close(chip);
+    return 1;
+  }
+
+  if (gpiod_line_request_output(line, "cellular modem power toggle", 0) < 0) {
+    perror("Error setting GPIO line as output");
+    gpiod_chip_close(chip);
+    return 1;
+  }
+
+  if (gpiod_line_set_value(line, 1) < 0) {
+    perror("Error setting GPIO line high");
+    gpiod_chip_close(chip);
+    return 1;
+  }
+
+  sleep(1);
+
+  if (gpiod_line_set_value(line, 0) < 0) {
+    perror("Error setting GPIO line low");
+    gpiod_chip_close(chip);
+    return 1;
+  }
+
+  gpiod_chip_close(chip);
+  return 0;
+}
+
 int initNetworkData(networkData *nD) {
   nD->operatorName = calloc(1, sizeof(char));
   nD->networkName = calloc(1, sizeof(char));