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				https://github.com/liberatedsystems/RNode_Firmware_CE.git
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	Replace EEPROM backend to be compatible with Adafruit BLE lib
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						6e8865b2ae
					
				
							
								
								
									
										5
									
								
								Config.h
									
									
									
									
									
								
							
							
						
						
									
										5
									
								
								Config.h
									
									
									
									
									
								
							@ -316,8 +316,9 @@
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            #define CONFIG_UART_BUFFER_SIZE 6144
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					            #define CONFIG_UART_BUFFER_SIZE 6144
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            #define CONFIG_QUEUE_SIZE 6144
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					            #define CONFIG_QUEUE_SIZE 6144
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            #define CONFIG_QUEUE_MAX_LENGTH 200
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					            #define CONFIG_QUEUE_MAX_LENGTH 200
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            #define EEPROM_SIZE 4096
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					            #define EEPROM_SIZE 200
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            #define EEPROM_OFFSET EEPROM_SIZE+0xED000-EEPROM_RESERVED
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					            //#define EEPROM_OFFSET EEPROM_SIZE+0xED000-EEPROM_RESERVED
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					            #define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
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            // following pins are for the sx1262
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					            // following pins are for the sx1262
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            const int pin_rxen = 37;
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					            const int pin_rxen = 37;
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@ -54,6 +54,12 @@ void setup() {
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    Serial.setRxBufferSize(CONFIG_UART_BUFFER_SIZE);
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					    Serial.setRxBufferSize(CONFIG_UART_BUFFER_SIZE);
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  #endif
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					  #endif
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					  #if MCU_VARIANT == MCU_NRF52
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					    if (!eeprom_begin()) {
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					        Serial.write("EEPROM initialisation failed.\r\n");
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					    }
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					  #endif
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  // Seed the PRNG
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					  // Seed the PRNG
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  randomSeed(analogRead(0));
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					  randomSeed(analogRead(0));
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			|||||||
							
								
								
									
										48
									
								
								Utilities.h
									
									
									
									
									
								
							
							
						
						
									
										48
									
								
								Utilities.h
									
									
									
									
									
								
							@ -18,8 +18,13 @@
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#if HAS_EEPROM 
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					#if HAS_EEPROM 
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    #include <EEPROM.h>
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					    #include <EEPROM.h>
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#elif PLATFORM == PLATFORM_NRF52
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					#elif PLATFORM == PLATFORM_NRF52
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    #include "flash_nrf5x.h"
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					    #include <Adafruit_LittleFS.h>
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    int written_bytes = 0;
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					    #include <InternalFileSystem.h>
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					    using namespace Adafruit_LittleFS_Namespace;
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					    #define EEPROM_FILE "eeprom"
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					    bool file_exists = false;
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					    int written_bytes = 4;
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					    File file(InternalFS);
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#endif
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					#endif
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#include <stddef.h>
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					#include <stddef.h>
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#include "LoRa.h"
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					#include "LoRa.h"
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@ -1093,10 +1098,33 @@ void promisc_disable() {
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}
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					}
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#if !HAS_EEPROM && MCU_VARIANT == MCU_NRF52
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					#if !HAS_EEPROM && MCU_VARIANT == MCU_NRF52
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					    bool eeprom_begin() {
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					        InternalFS.begin();
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					        file.open(EEPROM_FILE, FILE_O_READ);
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					        // if file doesn't exist
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					        if (!file) {
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					            if (file.open(EEPROM_FILE, FILE_O_WRITE)) {
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					                // initialise the file with empty content
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					                uint8_t empty_content[EEPROM_SIZE] = {0};
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					                file.write(empty_content, EEPROM_SIZE);
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					                return true;
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					            } else {
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					                return false;
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					            }
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					        } else {
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					            file.close();
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					            file.open(EEPROM_FILE, FILE_O_WRITE);
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					            return true;
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					        }
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					    }
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    uint8_t eeprom_read(uint32_t mapped_addr) {
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					    uint8_t eeprom_read(uint32_t mapped_addr) {
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        uint8_t byte;
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					        uint8_t byte;
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        void* byte_ptr = &byte;
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					        void* byte_ptr = &byte;
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        flash_nrf5x_read(byte_ptr, mapped_addr, 1);
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					        file.seek(mapped_addr);
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					        file.read(byte_ptr, 1);
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        return byte;
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					        return byte;
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    }
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					    }
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#endif
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					#endif
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@ -1165,18 +1193,18 @@ void eeprom_update(int mapped_addr, uint8_t byte) {
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    #elif !HAS_EEPROM && MCU_VARIANT == MCU_NRF52
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					    #elif !HAS_EEPROM && MCU_VARIANT == MCU_NRF52
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        uint8_t read_byte;
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					        uint8_t read_byte;
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        void* read_byte_ptr = &read_byte;
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					        void* read_byte_ptr = &read_byte;
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        void const * byte_ptr = &byte;
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					        file.seek(mapped_addr);
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        flash_nrf5x_read(read_byte_ptr, mapped_addr, 1);
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					        file.read(read_byte_ptr, 1);
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					        file.seek(mapped_addr);
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        if (read_byte != byte) {
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					        if (read_byte != byte) {
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            flash_nrf5x_write(mapped_addr, byte_ptr, 1);
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					            file.write(byte);
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        }
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					        }
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					 | 
				
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        written_bytes++;
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					        written_bytes++;
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        // flush the cache every 4 bytes to make sure everything is synced
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					        if (written_bytes >= 8) {
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        if (written_bytes == 4) {
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					            file.close();
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					            file.open(EEPROM_FILE, FILE_O_WRITE);
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            written_bytes = 0;
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					            written_bytes = 0;
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            flash_nrf5x_flush();
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					 | 
				
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        }
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					        }
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	#endif
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						#endif
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										204
									
								
								flash_cache.c
									
									
									
									
									
								
							
							
						
						
									
										204
									
								
								flash_cache.c
									
									
									
									
									
								
							@ -1,204 +0,0 @@
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/*
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					 | 
				
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 * The MIT License (MIT)
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					 | 
				
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 *
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					 | 
				
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 * Copyright (c) 2019 Ha Thach for Adafruit Industries
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					 | 
				
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 *
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					 | 
				
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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					 | 
				
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 * of this software and associated documentation files (the "Software"), to deal
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					 | 
				
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 * in the Software without restriction, including without limitation the rights
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					 | 
				
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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					 | 
				
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 * copies of the Software, and to permit persons to whom the Software is
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					 | 
				
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 * furnished to do so, subject to the following conditions:
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					 | 
				
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 *
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					 | 
				
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 * The above copyright notice and this permission notice shall be included in
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					 | 
				
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 * all copies or substantial portions of the Software.
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					 | 
				
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 *
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					 | 
				
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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					 | 
				
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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					 | 
				
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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					 | 
				
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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					 | 
				
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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					 | 
				
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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					 | 
				
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 * THE SOFTWARE.
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					 | 
				
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 */
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#ifdef NRF52840_XXAA
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#include <string.h>
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#include "flash_cache.h"
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#include "common_func.h"
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#include "variant.h"
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#include "wiring_digital.h"
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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static inline uint32_t page_addr_of (uint32_t addr)
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{
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  return addr & ~(FLASH_CACHE_SIZE - 1);
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}
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static inline uint32_t page_offset_of (uint32_t addr)
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{
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  return addr & (FLASH_CACHE_SIZE - 1);
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}
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int flash_cache_write (flash_cache_t* fc, uint32_t dst, void const * src, uint32_t len)
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{
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  uint8_t const * src8 = (uint8_t const *) src;
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  uint32_t remain = len;
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  // Program up to page boundary each loop
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					 | 
				
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  while ( remain )
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  {
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    uint32_t const page_addr = page_addr_of(dst);
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    uint32_t const offset = page_offset_of(dst);
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    uint32_t wr_bytes = FLASH_CACHE_SIZE - offset;
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    wr_bytes = min32(remain, wr_bytes);
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    // Page changes, flush old and update new cache
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    if ( page_addr != fc->cache_addr )
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    {
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      flash_cache_flush(fc);
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      fc->cache_addr = page_addr;
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      // read a whole page from flash
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      fc->read(fc->cache_buf, page_addr, FLASH_CACHE_SIZE);
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    }
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    memcpy(fc->cache_buf + offset, src8, wr_bytes);
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    // adjust for next run
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    src8 += wr_bytes;
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    remain -= wr_bytes;
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    dst += wr_bytes;
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  }
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  return len - remain;
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}
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void flash_cache_flush (flash_cache_t* fc)
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{
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  if ( fc->cache_addr == FLASH_CACHE_INVALID_ADDR ) return;
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  // skip erase & program if verify() exists, and memory matches
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  if ( !(fc->verify && fc->verify(fc->cache_addr, fc->cache_buf, FLASH_CACHE_SIZE)) )
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  {
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    // indicator TODO allow to disable flash indicator
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    ledOn(LED_BUILTIN);
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    fc->erase(fc->cache_addr);
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    fc->program(fc->cache_addr, fc->cache_buf, FLASH_CACHE_SIZE);
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    ledOff(LED_BUILTIN);
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  }
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  fc->cache_addr = FLASH_CACHE_INVALID_ADDR;
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}
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int flash_cache_read (flash_cache_t* fc, void* dst, uint32_t addr, uint32_t count)
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{
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  // there is no check for overflow / wraparound for dst + count, addr + count.
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  // this might be a useful thing to add for at least debug builds.
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  // overwrite with cache value if available
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  if ( (fc->cache_addr != FLASH_CACHE_INVALID_ADDR) &&               // cache is not valid
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       !(addr < fc->cache_addr && addr + count <= fc->cache_addr) && // starts before, ends before cache area
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       !(addr >= fc->cache_addr + FLASH_CACHE_SIZE) )                // starts after end of cache area
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  {
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    // This block is entered only when the read overlaps the cache area by at least one byte.
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    // If the read starts before the cache area, it's further guaranteed
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    //    that count is large enough to cause the read to enter
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    //    the cache area by at least 1 byte.
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    uint32_t dst_off = 0;
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    uint32_t src_off = 0;
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    if (addr < fc->cache_addr)
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    {
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      dst_off = fc->cache_addr - addr;
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      // Read the bytes prior to the cache address
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      fc->read(dst, addr, dst_off);
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    }
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    else
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    {
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      src_off = addr - fc->cache_addr;      
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    }
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    // Thus, after the above code block executes:
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    // *** AT MOST ***, only one of src_off and dst_off are non-zero;
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    // (Both may be zero when the read starts at the start of the cache area.)
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					 | 
				
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    // dst_off corresponds to the number of bytes already read from PRIOR to the cache area.
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					 | 
				
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    // src_off corresponds to the byte offset to start reading at, from WITHIN the cache area.
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					 | 
				
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    // How many bytes to memcpy from flash area?
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					 | 
				
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    // Remember that, AT MOST, one of src_off and dst_off are non-zero.
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					 | 
				
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    // If src_off is non-zero, then dst_off is zero, representing that the
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					 | 
				
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    //   read starts inside the cache.  In this case:
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					 | 
				
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    //     PARAM1 := FLASH_CACHE_SIZE - src_off == maximum possible bytes to read from cache
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    //     PARAM2 := count
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    //   Thus, taking the minimum of the two gives the number of bytes to read from cache,
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					 | 
				
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    //     in the range [ 1 .. FLASH_CACHE_SIZE-src_off ].
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    // Else if dst_off is non-zero, then src_off is zero, representing that the
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    //   read started prior to the cache area.  In this case:
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			||||||
    //     PARAM1 := FLASH_CACHE_SIZE == full size of the cache
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					 | 
				
			||||||
    //     PARAM2 := count - dst_off == total bytes requested, minus the count of those already read
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					 | 
				
			||||||
    //   Because the original request is guaranteed to overlap the cache, the range for
 | 
					 | 
				
			||||||
    //     PARAM2 is ensured to be [ 1 .. count-1 ].
 | 
					 | 
				
			||||||
    //   Thus, taking the minimum of the two gives the number of bytes to read from cache,
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					 | 
				
			||||||
    //     in the range [ 1 .. FLASH_CACHE_SIZE ]
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					 | 
				
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    // Else both src_off and dst_off are zero, representing that the read is starting
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					 | 
				
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    //   exactly aligned to the cache.
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    //     PARAM1 := FLASH_CACHE_SIZE
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					 | 
				
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    //     PARAM2 := count
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					 | 
				
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    //   Thus, taking the minimum of the two gives the number of bytes to read from cache,
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					 | 
				
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    //     in the range [ 1 .. FLASH_CACHE_SIZE ]
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					 | 
				
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    // 
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					 | 
				
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    // Therefore, in all cases, there is assurance that cache_bytes
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					 | 
				
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    // will be in the final range [1..FLASH_CACHE_SIZE].
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					 | 
				
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    uint32_t cache_bytes = minof(FLASH_CACHE_SIZE-src_off, count - dst_off);
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    // Use memcpy to read cached data into the buffer
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					 | 
				
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    // If src_off is non-zero, then dst_off is zero, representing that the
 | 
					 | 
				
			||||||
    //   read starts inside the cache.  In this case:
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					 | 
				
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    //     PARAM1 := dst
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					 | 
				
			||||||
    //     PARAM2 := fc->cache_buf + src_off
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					 | 
				
			||||||
    //     PARAM3 := cache_bytes
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					 | 
				
			||||||
    //   Thus, all works as expected when starting in the midst of the cache.
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					 | 
				
			||||||
    // Else if dst_off is non-zero, then src_off is zero, representing that the
 | 
					 | 
				
			||||||
    //   read started prior to the cache.  In this case:
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					 | 
				
			||||||
    //     PARAM1 := dst + dst_off == destination offset by number of bytes already read
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					 | 
				
			||||||
    //     PARAM2 := fc->cache_buf
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					 | 
				
			||||||
    //     PARAM3 := cache_bytes
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					 | 
				
			||||||
    //   Thus, all works as expected when starting prior to the cache.
 | 
					 | 
				
			||||||
    // Else both src_off and dst_off are zero, representing that the read is starting
 | 
					 | 
				
			||||||
    //   exactly aligned to the cache.
 | 
					 | 
				
			||||||
    //     PARAM1 := dst
 | 
					 | 
				
			||||||
    //     PARAM2 := fc->cache_buf
 | 
					 | 
				
			||||||
    //     PARAM3 := cache_bytes
 | 
					 | 
				
			||||||
    //   Thus, all works as expected when starting exactly at the cache boundary
 | 
					 | 
				
			||||||
    // 
 | 
					 | 
				
			||||||
    // Therefore, in all cases, there is assurance that cache_bytes
 | 
					 | 
				
			||||||
    // will be in the final range [1..FLASH_CACHE_SIZE].
 | 
					 | 
				
			||||||
    memcpy(dst + dst_off, fc->cache_buf + src_off, cache_bytes);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    // Read any final bytes from flash
 | 
					 | 
				
			||||||
    // As noted above, dst_off represents the count of bytes read prior to the cache
 | 
					 | 
				
			||||||
    // while cache_bytes represents the count of bytes read from the cache;
 | 
					 | 
				
			||||||
    // This code block is guaranteed to overlap the cache area by at least one byte.
 | 
					 | 
				
			||||||
    // Thus, copied will correspond to the total bytes already copied,
 | 
					 | 
				
			||||||
    // and is guaranteed to be in the range [ 1 .. count ].
 | 
					 | 
				
			||||||
    uint32_t copied = dst_off + cache_bytes;
 | 
					 | 
				
			||||||
    
 | 
					 | 
				
			||||||
    // 
 | 
					 | 
				
			||||||
    if ( copied < count )
 | 
					 | 
				
			||||||
    {
 | 
					 | 
				
			||||||
      fc->read(dst + copied, addr + copied, count - copied);
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
  else
 | 
					 | 
				
			||||||
  {
 | 
					 | 
				
			||||||
    // not using the cache, so just forward to read from flash
 | 
					 | 
				
			||||||
    fc->read(dst, addr, count);
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  return (int) count;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
@ -1,58 +0,0 @@
 | 
				
			|||||||
/*
 | 
					 | 
				
			||||||
 * The MIT License (MIT)
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * Copyright (c) 2019 Ha Thach for Adafruit Industries
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 | 
					 | 
				
			||||||
 * of this software and associated documentation files (the "Software"), to deal
 | 
					 | 
				
			||||||
 * in the Software without restriction, including without limitation the rights
 | 
					 | 
				
			||||||
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 | 
					 | 
				
			||||||
 * copies of the Software, and to permit persons to whom the Software is
 | 
					 | 
				
			||||||
 * furnished to do so, subject to the following conditions:
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * The above copyright notice and this permission notice shall be included in
 | 
					 | 
				
			||||||
 * all copies or substantial portions of the Software.
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | 
					 | 
				
			||||||
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | 
					 | 
				
			||||||
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 | 
					 | 
				
			||||||
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | 
					 | 
				
			||||||
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 | 
					 | 
				
			||||||
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 | 
					 | 
				
			||||||
 * THE SOFTWARE.
 | 
					 | 
				
			||||||
 */
 | 
					 | 
				
			||||||
#ifdef NRF52840_XXAA
 | 
					 | 
				
			||||||
#ifndef FLASH_CACHE_H_
 | 
					 | 
				
			||||||
#define FLASH_CACHE_H_
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#include <stdint.h>
 | 
					 | 
				
			||||||
#include <stdbool.h>
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#define FLASH_CACHE_SIZE          4096        // must be a erasable page size
 | 
					 | 
				
			||||||
#define FLASH_CACHE_INVALID_ADDR  0xffffffff
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
typedef struct
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
    bool (*erase) (uint32_t addr);
 | 
					 | 
				
			||||||
    uint32_t (*program) (uint32_t dst, void const * src, uint32_t len);
 | 
					 | 
				
			||||||
    uint32_t (*read) (void* dst, uint32_t src, uint32_t len);
 | 
					 | 
				
			||||||
    bool (*verify) (uint32_t addr, void const * buf, uint32_t len);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    uint32_t cache_addr;
 | 
					 | 
				
			||||||
    uint8_t* cache_buf;
 | 
					 | 
				
			||||||
} flash_cache_t;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#ifdef __cplusplus
 | 
					 | 
				
			||||||
extern "C" {
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
int flash_cache_write (flash_cache_t* fc, uint32_t dst, void const *src, uint32_t count);
 | 
					 | 
				
			||||||
void flash_cache_flush (flash_cache_t* fc);
 | 
					 | 
				
			||||||
int flash_cache_read (flash_cache_t* fc, void* dst, uint32_t addr, uint32_t count);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#ifdef __cplusplus
 | 
					 | 
				
			||||||
 }
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#endif /* FLASH_CACHE_H_ */
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
							
								
								
									
										179
									
								
								flash_nrf5x.c
									
									
									
									
									
								
							
							
						
						
									
										179
									
								
								flash_nrf5x.c
									
									
									
									
									
								
							@ -1,179 +0,0 @@
 | 
				
			|||||||
/*
 | 
					 | 
				
			||||||
 * The MIT License (MIT)
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * Copyright (c) 2019 Ha Thach for Adafruit Industries
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 | 
					 | 
				
			||||||
 * of this software and associated documentation files (the "Software"), to deal
 | 
					 | 
				
			||||||
 * in the Software without restriction, including without limitation the rights
 | 
					 | 
				
			||||||
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 | 
					 | 
				
			||||||
 * copies of the Software, and to permit persons to whom the Software is
 | 
					 | 
				
			||||||
 * furnished to do so, subject to the following conditions:
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * The above copyright notice and this permission notice shall be included in
 | 
					 | 
				
			||||||
 * all copies or substantial portions of the Software.
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | 
					 | 
				
			||||||
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | 
					 | 
				
			||||||
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 | 
					 | 
				
			||||||
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | 
					 | 
				
			||||||
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 | 
					 | 
				
			||||||
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 | 
					 | 
				
			||||||
 * THE SOFTWARE.
 | 
					 | 
				
			||||||
 */
 | 
					 | 
				
			||||||
#ifdef NRF52840_XXAA
 | 
					 | 
				
			||||||
#include "flash_nrf5x.h"
 | 
					 | 
				
			||||||
#include "flash_cache.h"
 | 
					 | 
				
			||||||
#include "nrf_sdm.h"
 | 
					 | 
				
			||||||
#include "nrf_soc.h"
 | 
					 | 
				
			||||||
#include "delay.h"
 | 
					 | 
				
			||||||
#include "rtos.h"
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#ifdef NRF52840_XXAA
 | 
					 | 
				
			||||||
  #define BOOTLOADER_ADDR        0xF4000
 | 
					 | 
				
			||||||
#else
 | 
					 | 
				
			||||||
  #define BOOTLOADER_ADDR        0x74000
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
// defined in linker script
 | 
					 | 
				
			||||||
extern uint32_t __flash_arduino_start[];
 | 
					 | 
				
			||||||
//extern uint32_t __flash_arduino_end[];
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
static SemaphoreHandle_t _sem = NULL;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
void flash_nrf5x_event_cb (uint32_t event)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
//  if (event != NRF_EVT_FLASH_OPERATION_SUCCESS) LOG_LV1("IFLASH", "Flash op Failed");
 | 
					 | 
				
			||||||
  if ( _sem ) xSemaphoreGive(_sem);
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
// Flash Abstraction Layer
 | 
					 | 
				
			||||||
static bool fal_erase (uint32_t addr);
 | 
					 | 
				
			||||||
static uint32_t fal_program (uint32_t dst, void const * src, uint32_t len);
 | 
					 | 
				
			||||||
static uint32_t fal_read (void* dst, uint32_t src, uint32_t len);
 | 
					 | 
				
			||||||
static bool fal_verify (uint32_t addr, void const * buf, uint32_t len);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static uint8_t _cache_buffer[FLASH_CACHE_SIZE] __attribute__((aligned(4)));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static flash_cache_t _cache =
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  .erase      = fal_erase,
 | 
					 | 
				
			||||||
  .program    = fal_program,
 | 
					 | 
				
			||||||
  .read       = fal_read,
 | 
					 | 
				
			||||||
  .verify     = fal_verify,
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  .cache_addr = FLASH_CACHE_INVALID_ADDR,
 | 
					 | 
				
			||||||
  .cache_buf  = _cache_buffer
 | 
					 | 
				
			||||||
};
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
// Application API
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
void flash_nrf5x_flush (void)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  flash_cache_flush(&_cache);
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
int flash_nrf5x_write (uint32_t dst, void const * src, uint32_t len)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  // Softdevice region
 | 
					 | 
				
			||||||
  VERIFY(dst >= ((uint32_t) __flash_arduino_start), -1);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  // Bootloader region
 | 
					 | 
				
			||||||
  VERIFY(dst < BOOTLOADER_ADDR, -1);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  return flash_cache_write(&_cache, dst, src, len);
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
int flash_nrf5x_read (void* dst, uint32_t src, uint32_t len)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  return flash_cache_read(&_cache, dst, src, len);
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
bool flash_nrf5x_erase(uint32_t addr)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  return fal_erase(addr);
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
// HAL for caching
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
static bool fal_erase (uint32_t addr)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  // Init semaphore for first call
 | 
					 | 
				
			||||||
  if ( _sem == NULL )
 | 
					 | 
				
			||||||
  {
 | 
					 | 
				
			||||||
    _sem = xSemaphoreCreateCounting(10, 0);
 | 
					 | 
				
			||||||
    VERIFY(_sem);
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  // retry if busy
 | 
					 | 
				
			||||||
  uint32_t err;
 | 
					 | 
				
			||||||
  while ( NRF_ERROR_BUSY == (err = sd_flash_page_erase(addr / FLASH_NRF52_PAGE_SIZE)) )
 | 
					 | 
				
			||||||
  {
 | 
					 | 
				
			||||||
    delay(1);
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
  VERIFY_STATUS(err, false);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  // wait for async event if SD is enabled
 | 
					 | 
				
			||||||
  uint8_t sd_en = 0;
 | 
					 | 
				
			||||||
  (void) sd_softdevice_is_enabled(&sd_en);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  if ( sd_en ) xSemaphoreTake(_sem, portMAX_DELAY);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  return true;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static uint32_t fal_program (uint32_t dst, void const * src, uint32_t len)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  // wait for async event if SD is enabled
 | 
					 | 
				
			||||||
  uint8_t sd_en = 0;
 | 
					 | 
				
			||||||
  (void) sd_softdevice_is_enabled(&sd_en);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  uint32_t err;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  // Somehow S140 v6.1.1 assert an error when writing a whole page
 | 
					 | 
				
			||||||
  // https://devzone.nordicsemi.com/f/nordic-q-a/40088/sd_flash_write-cause-nrf_fault_id_sd_assert
 | 
					 | 
				
			||||||
  // Workaround: write half page at a time.
 | 
					 | 
				
			||||||
#if NRF52832_XXAA
 | 
					 | 
				
			||||||
  while ( NRF_ERROR_BUSY == (err = sd_flash_write((uint32_t*) dst, (uint32_t const *) src, len/4)) )
 | 
					 | 
				
			||||||
  {
 | 
					 | 
				
			||||||
    delay(1);
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
  VERIFY_STATUS(err, 0);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  if ( sd_en ) xSemaphoreTake(_sem, portMAX_DELAY);
 | 
					 | 
				
			||||||
#else
 | 
					 | 
				
			||||||
  while ( NRF_ERROR_BUSY == (err = sd_flash_write((uint32_t*) dst, (uint32_t const *) src, len/8)) )
 | 
					 | 
				
			||||||
  {
 | 
					 | 
				
			||||||
    delay(1);
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
  VERIFY_STATUS(err, 0);
 | 
					 | 
				
			||||||
  if ( sd_en ) xSemaphoreTake(_sem, portMAX_DELAY);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  while ( NRF_ERROR_BUSY == (err = sd_flash_write((uint32_t*) (dst+ len/2), (uint32_t const *) (src + len/2), len/8)) )
 | 
					 | 
				
			||||||
  {
 | 
					 | 
				
			||||||
    delay(1);
 | 
					 | 
				
			||||||
  }
 | 
					 | 
				
			||||||
  VERIFY_STATUS(err, 0);
 | 
					 | 
				
			||||||
  if ( sd_en ) xSemaphoreTake(_sem, portMAX_DELAY);
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
  return len;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static uint32_t fal_read (void* dst, uint32_t src, uint32_t len)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  memcpy(dst, (void*) src, len);
 | 
					 | 
				
			||||||
  return len;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static bool fal_verify (uint32_t addr, void const * buf, uint32_t len)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  return 0 == memcmp((void*) addr, buf, len);
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
@ -1,89 +0,0 @@
 | 
				
			|||||||
/*
 | 
					 | 
				
			||||||
 * The MIT License (MIT)
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * Copyright (c) 2019 Ha Thach for Adafruit Industries
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 | 
					 | 
				
			||||||
 * of this software and associated documentation files (the "Software"), to deal
 | 
					 | 
				
			||||||
 * in the Software without restriction, including without limitation the rights
 | 
					 | 
				
			||||||
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 | 
					 | 
				
			||||||
 * copies of the Software, and to permit persons to whom the Software is
 | 
					 | 
				
			||||||
 * furnished to do so, subject to the following conditions:
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * The above copyright notice and this permission notice shall be included in
 | 
					 | 
				
			||||||
 * all copies or substantial portions of the Software.
 | 
					 | 
				
			||||||
 *
 | 
					 | 
				
			||||||
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | 
					 | 
				
			||||||
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | 
					 | 
				
			||||||
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 | 
					 | 
				
			||||||
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | 
					 | 
				
			||||||
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 | 
					 | 
				
			||||||
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 | 
					 | 
				
			||||||
 * THE SOFTWARE.
 | 
					 | 
				
			||||||
 */
 | 
					 | 
				
			||||||
#ifdef NRF52840_XXAA
 | 
					 | 
				
			||||||
#ifndef FLASH_NRF52_H_
 | 
					 | 
				
			||||||
#define FLASH_NRF52_H_
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#include "common_inc.h"
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#define FLASH_NRF52_PAGE_SIZE   4096
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#ifdef __cplusplus
 | 
					 | 
				
			||||||
 extern "C" {
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
void flash_nrf5x_flush (void);
 | 
					 | 
				
			||||||
bool flash_nrf5x_erase(uint32_t addr);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
int flash_nrf5x_write (uint32_t dst, void const * src, uint32_t len);
 | 
					 | 
				
			||||||
int flash_nrf5x_read (void* dst, uint32_t src, uint32_t len);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
// Write helper
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
static inline int flash_nrf5x_write8 (uint32_t dst, uint8_t num)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  return flash_nrf5x_write(dst, &num, sizeof(num));
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static inline int flash_nrf5x_write16 (uint32_t dst, uint8_t num)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  return flash_nrf5x_write(dst, &num, sizeof(num));
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
static inline int flash_nrf5x_write32 (uint32_t dst, uint8_t num)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  return flash_nrf5x_write(dst, &num, sizeof(num));
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
// Read helper
 | 
					 | 
				
			||||||
//--------------------------------------------------------------------+
 | 
					 | 
				
			||||||
static inline uint8_t flash_nrf5x_read8 (uint32_t src)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  uint8_t num;
 | 
					 | 
				
			||||||
  flash_nrf5x_read(&num, src, sizeof(num));
 | 
					 | 
				
			||||||
  return num;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static inline uint16_t flash_nrf5x_read16 (uint32_t src)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  uint16_t num;
 | 
					 | 
				
			||||||
  flash_nrf5x_read(&num, src, sizeof(num));
 | 
					 | 
				
			||||||
  return num;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
static inline uint16_t flash_nrf5x_read32 (uint32_t src)
 | 
					 | 
				
			||||||
{
 | 
					 | 
				
			||||||
  uint32_t num;
 | 
					 | 
				
			||||||
  flash_nrf5x_read(&num, src, sizeof(num));
 | 
					 | 
				
			||||||
  return num;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#ifdef __cplusplus
 | 
					 | 
				
			||||||
 }
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
#endif /* FLASH_NRF52_H_ */
 | 
					 | 
				
			||||||
#endif
 | 
					 | 
				
			||||||
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