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pkg/semtech-loramac: add config storage to eeprom in API
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@ -41,6 +41,10 @@
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#include "LoRaMac.h"
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#include "LoRaMac.h"
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#include "region/Region.h"
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#include "region/Region.h"
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#ifdef MODULE_PERIPH_EEPROM
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#include "periph/eeprom.h"
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#endif
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#define ENABLE_DEBUG (0)
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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#include "debug.h"
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@ -297,6 +301,119 @@ static void mlme_indication(MlmeIndication_t *indication)
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}
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}
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}
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}
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#ifdef MODULE_PERIPH_EEPROM
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static inline void _set_uplink_counter(semtech_loramac_t *mac, uint8_t *counter)
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{
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uint32_t counter4 = ((uint32_t)counter[0] << 24 |
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(uint32_t)counter[1] << 16 |
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(uint32_t)counter[2] << 8 |
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counter[3]);
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DEBUG("[semtech-loramac] uplink counter: %" PRIu32 " \n", counter4);
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mutex_lock(&mac->lock);
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MibRequestConfirm_t mibReq;
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mibReq.Type = MIB_UPLINK_COUNTER;
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mibReq.Param.UpLinkCounter = counter4;
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LoRaMacMibSetRequestConfirm(&mibReq);
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mutex_unlock(&mac->lock);
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}
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static inline void _read_loramac_config(semtech_loramac_t *mac)
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{
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DEBUG("[semtech-loramac] reading configuration from EEPROM\n");
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uint8_t magic[SEMTECH_LORAMAC_EEPROM_MAGIC_LEN] = {0};
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size_t pos = SEMTECH_LORAMAC_EEPROM_START;
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pos += eeprom_read(pos, magic, SEMTECH_LORAMAC_EEPROM_MAGIC_LEN);
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if (strncmp((char*)magic, "RIOT", SEMTECH_LORAMAC_EEPROM_MAGIC_LEN) != 0) {
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DEBUG("[semtech-loramac] no configuration present on EEPROM "
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"(invalid magic '%s')\n", magic);
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return;
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}
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/* LoRaWAN EUIs, Keys and device address */
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pos += eeprom_read(pos, mac->deveui, LORAMAC_DEVEUI_LEN);
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pos += eeprom_read(pos, mac->appeui, LORAMAC_APPEUI_LEN);
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pos += eeprom_read(pos, mac->appkey, LORAMAC_APPKEY_LEN);
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pos += eeprom_read(pos, mac->appskey, LORAMAC_APPSKEY_LEN);
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pos += eeprom_read(pos, mac->nwkskey, LORAMAC_NWKSKEY_LEN);
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pos += eeprom_read(pos, mac->devaddr, LORAMAC_DEVADDR_LEN);
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/* uplink counter, mainly used for ABP activation */
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uint8_t counter[4] = { 0 };
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pos += eeprom_read(pos, counter, 4);
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_set_uplink_counter(mac, counter);
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}
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static inline void _save_uplink_counter(semtech_loramac_t *mac)
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{
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size_t pos = SEMTECH_LORAMAC_EEPROM_START +
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SEMTECH_LORAMAC_EEPROM_MAGIC_LEN +
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LORAMAC_DEVEUI_LEN + LORAMAC_APPEUI_LEN +
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LORAMAC_APPKEY_LEN + LORAMAC_APPSKEY_LEN +
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LORAMAC_NWKSKEY_LEN + LORAMAC_DEVADDR_LEN;
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uint8_t counter[4];
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mutex_lock(&mac->lock);
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MibRequestConfirm_t mibReq;
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mibReq.Type = MIB_UPLINK_COUNTER;
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LoRaMacMibGetRequestConfirm(&mibReq);
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counter[0] = (uint8_t)(mibReq.Param.UpLinkCounter >> 24);
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counter[1] = (uint8_t)(mibReq.Param.UpLinkCounter >> 16);
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counter[2] = (uint8_t)(mibReq.Param.UpLinkCounter >> 8);
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counter[3] = (uint8_t)(mibReq.Param.UpLinkCounter);
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mutex_unlock(&mac->lock);
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pos += eeprom_write(pos, counter, 4);
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}
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void semtech_loramac_save_config(semtech_loramac_t *mac)
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{
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DEBUG("[semtech-loramac] saving configuration on EEPROM\n");
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uint8_t magic[] = SEMTECH_LORAMAC_EEPROM_MAGIC;
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size_t pos = SEMTECH_LORAMAC_EEPROM_START;
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pos += eeprom_write(pos, magic, SEMTECH_LORAMAC_EEPROM_MAGIC_LEN);
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/* Store EUIs, Keys and device address */
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pos += eeprom_write(pos, mac->deveui, LORAMAC_DEVEUI_LEN);
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pos += eeprom_write(pos, mac->appeui, LORAMAC_APPEUI_LEN);
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pos += eeprom_write(pos, mac->appkey, LORAMAC_APPKEY_LEN);
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pos += eeprom_write(pos, mac->appskey, LORAMAC_APPSKEY_LEN);
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pos += eeprom_write(pos, mac->nwkskey, LORAMAC_NWKSKEY_LEN);
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pos += eeprom_write(pos, mac->devaddr, LORAMAC_DEVADDR_LEN);
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/* save uplink counter, mainly used for ABP activation */
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_save_uplink_counter(mac);
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}
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void semtech_loramac_erase_config(void)
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{
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DEBUG("[semtech-loramac] erasing configuration on EEPROM\n");
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uint8_t magic[SEMTECH_LORAMAC_EEPROM_MAGIC_LEN];
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size_t pos = SEMTECH_LORAMAC_EEPROM_START;
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eeprom_read(pos, magic, SEMTECH_LORAMAC_EEPROM_MAGIC_LEN);
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if (strcmp((char*)magic, "RIOT") != 0) {
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DEBUG("[semtech-loramac] no configuration present on EEPROM\n");
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return;
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}
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MibRequestConfirm_t mibReq;
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size_t uplink_counter_len = sizeof(mibReq.Param.UpLinkCounter);
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size_t end = (pos + SEMTECH_LORAMAC_EEPROM_MAGIC_LEN +
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LORAMAC_DEVEUI_LEN + LORAMAC_APPEUI_LEN +
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LORAMAC_APPKEY_LEN + LORAMAC_APPSKEY_LEN +
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LORAMAC_NWKSKEY_LEN + LORAMAC_DEVADDR_LEN +
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uplink_counter_len);
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for (size_t p = pos; p < end; p++) {
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eeprom_write_byte(p, 0);
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}
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}
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#endif /* MODULE_PERIPH_EEPROM */
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void _init_loramac(semtech_loramac_t *mac,
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void _init_loramac(semtech_loramac_t *mac,
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LoRaMacPrimitives_t * primitives, LoRaMacCallback_t *callbacks)
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LoRaMacPrimitives_t * primitives, LoRaMacCallback_t *callbacks)
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{
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{
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@ -317,6 +434,9 @@ void _init_loramac(semtech_loramac_t *mac,
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semtech_loramac_set_tx_port(mac, LORAMAC_DEFAULT_TX_PORT);
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semtech_loramac_set_tx_port(mac, LORAMAC_DEFAULT_TX_PORT);
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semtech_loramac_set_tx_mode(mac, LORAMAC_DEFAULT_TX_MODE);
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semtech_loramac_set_tx_mode(mac, LORAMAC_DEFAULT_TX_MODE);
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mac->link_chk.available = false;
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mac->link_chk.available = false;
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#ifdef MODULE_PERIPH_EEPROM
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_read_loramac_config(mac);
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#endif
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}
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}
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static void _join_otaa(semtech_loramac_t *mac)
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static void _join_otaa(semtech_loramac_t *mac)
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@ -434,6 +554,12 @@ static void _send(semtech_loramac_t *mac, void *arg)
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msg.content.value = (uint8_t)status;
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msg.content.value = (uint8_t)status;
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msg_send(&msg, semtech_loramac_pid);
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msg_send(&msg, semtech_loramac_pid);
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}
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}
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#ifdef MODULE_PERIPH_EEPROM
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else {
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/* save the uplink counter */
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_save_uplink_counter(mac);
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}
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#endif
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}
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}
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static void _semtech_loramac_call(semtech_loramac_func_t func, void *arg)
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static void _semtech_loramac_call(semtech_loramac_func_t func, void *arg)
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@ -444,6 +444,41 @@ void semtech_loramac_set_rx2_dr(semtech_loramac_t *mac, uint8_t dr);
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*/
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*/
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uint8_t semtech_loramac_get_rx2_dr(semtech_loramac_t *mac);
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uint8_t semtech_loramac_get_rx2_dr(semtech_loramac_t *mac);
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#ifdef MODULE_PERIPH_EEPROM
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/**
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* @brief The magic number used to identify the LoRaWAN configuration
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*/
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#ifndef SEMTECH_LORAMAC_EEPROM_MAGIC
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#define SEMTECH_LORAMAC_EEPROM_MAGIC {0x52, 0x49, 0x4F, 0x54} /* RIOT */
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#endif
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/**
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* @brief The magic number length used to identify the LoRaWAN configuration
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*/
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#ifndef SEMTECH_LORAMAC_EEPROM_MAGIC_LEN
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#define SEMTECH_LORAMAC_EEPROM_MAGIC_LEN 4
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#endif
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/**
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* @brief Start position of LoRaWAN configuration stored in eeprom
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*/
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#ifndef SEMTECH_LORAMAC_EEPROM_START
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#define SEMTECH_LORAMAC_EEPROM_START (0)
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#endif
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/**
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* @brief Saves the current LoRaWAN configuration to the internal EEPROM
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*
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* @param[in] mac Pointer to the mac
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*/
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void semtech_loramac_save_config(semtech_loramac_t *mac);
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/**
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* @brief Erases any stored LoRaWAN configuration from the internal EEPROM
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*/
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void semtech_loramac_erase_config(void);
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#endif
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#ifdef __cplusplus
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#ifdef __cplusplus
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}
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}
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#endif
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#endif
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