From 6216cd24be025d6ccd43c3358cc48ec7eac4556f Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Sun, 13 Oct 2024 20:22:16 +0200
Subject: [PATCH] Make public read/write RP2350 OTP functions.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/fs/otp.c | 6 +++---
 src/fs/otp.h | 4 ++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/fs/otp.c b/src/fs/otp.c
index a224fd2..6984e0b 100644
--- a/src/fs/otp.c
+++ b/src/fs/otp.c
@@ -47,7 +47,7 @@ static int otp_write_data_mode(uint16_t row, uint8_t *data, uint16_t len, bool i
     return ret;
 }
 
-static int otp_write_data(uint16_t row, uint8_t *data, uint16_t len) {
+int otp_write_data(uint16_t row, uint8_t *data, uint16_t len) {
     return otp_write_data_mode(row, data, len, true);
 }
 
@@ -55,12 +55,12 @@ static int otp_write_data_raw(uint16_t row, uint8_t *data, uint16_t len) {
     return otp_write_data_mode(row, data, len, false);
 }
 
-static uint8_t* otp_buffer(uint16_t row) {
+uint8_t* otp_buffer(uint16_t row) {
     volatile uint32_t *p = ((uint32_t *)(OTP_DATA_BASE + (row*2)));
     return (uint8_t *)p;
 }
 
-static bool is_empty_otp_buffer(uint16_t row, uint16_t len) {
+bool is_empty_otp_buffer(uint16_t row, uint16_t len) {
     return is_empty_buffer(otp_buffer(row), len);
 }
 
diff --git a/src/fs/otp.h b/src/fs/otp.h
index 53ecc52..4833d60 100644
--- a/src/fs/otp.h
+++ b/src/fs/otp.h
@@ -25,6 +25,10 @@
 
 #define OTP_KEY_1    OTP_TEST_ROW
 
+extern uint8_t* otp_buffer(uint16_t row);
+extern bool is_empty_otp_buffer(uint16_t row, uint16_t len);
+extern int otp_write_data(uint16_t row, uint8_t *data, uint16_t len);
+
 #elif defined(ESP_PLATFORM)
 
 #include "esp_efuse.h"