Initial commit: MT firmware project

- BLE peripheral applications
- dr_piezo and bladder_patch projects

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

project/ble_peripheral/ble_app_bladder_patch/pulse_gen.h

@@ -0,0 +1,28 @@
+#ifndef PULSE_GEN_H__
+#define PULSE_GEN_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "sdk_errors.h"
+
+/**
+ * @brief Initializes the PWM peripheral and app_timer for pulse generation.
+ *
+ * @return NRF_SUCCESS on successful initialization, otherwise an error code.
+ */
+ret_code_t pulse_gen_init(void);
+
+/**
+ * @brief Starts the repeating pulse generation.
+ *        Generates a burst of pulses, waits a few ms, and repeats.
+ */
+void pulse_gen_start(void);
+
+/**
+ * @brief Stops the repeating pulse generation.
+ */
+void pulse_gen_stop(void);
+
+#endif // PULSE_GEN_H__
+
+