Compare commits
No commits in common. "master" and "develop" have entirely different histories.
174
driver/SX1278.c
174
driver/SX1278.c
@ -9,10 +9,7 @@
|
|||||||
#include "SX1278.h"
|
#include "SX1278.h"
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
|
|
||||||
SoftSPI_TypeDef *sx1278_spix;
|
uint8_t SX1278_SPIRead(SX1278_t *module, uint8_t addr) {
|
||||||
|
|
||||||
uint8_t SX1278_SPIRead(SX1278_t *module, uint8_t addr)
|
|
||||||
{
|
|
||||||
uint8_t tmp;
|
uint8_t tmp;
|
||||||
SX1278_hw_SPICommand(module->hw, addr);
|
SX1278_hw_SPICommand(module->hw, addr);
|
||||||
tmp = SX1278_hw_SPIReadByte(module->hw);
|
tmp = SX1278_hw_SPIReadByte(module->hw);
|
||||||
@ -20,8 +17,7 @@ uint8_t SX1278_SPIRead(SX1278_t *module, uint8_t addr)
|
|||||||
return tmp;
|
return tmp;
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_SPIWrite(SX1278_t *module, uint8_t addr, uint8_t cmd)
|
void SX1278_SPIWrite(SX1278_t *module, uint8_t addr, uint8_t cmd) {
|
||||||
{
|
|
||||||
SX1278_hw_SetNSS(module->hw, 0);
|
SX1278_hw_SetNSS(module->hw, 0);
|
||||||
SX1278_hw_SPICommand(module->hw, addr | 0x80);
|
SX1278_hw_SPICommand(module->hw, addr | 0x80);
|
||||||
SX1278_hw_SPICommand(module->hw, cmd);
|
SX1278_hw_SPICommand(module->hw, cmd);
|
||||||
@ -29,20 +25,14 @@ void SX1278_SPIWrite(SX1278_t *module, uint8_t addr, uint8_t cmd)
|
|||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_SPIBurstRead(SX1278_t *module, uint8_t addr, uint8_t *rxBuf,
|
void SX1278_SPIBurstRead(SX1278_t *module, uint8_t addr, uint8_t *rxBuf,
|
||||||
uint8_t length)
|
uint8_t length) {
|
||||||
{
|
|
||||||
uint8_t i;
|
uint8_t i;
|
||||||
// if (length <= 1)
|
if (length <= 1) {
|
||||||
if (length < 1)
|
|
||||||
{
|
|
||||||
return;
|
return;
|
||||||
}
|
} else {
|
||||||
else
|
|
||||||
{
|
|
||||||
SX1278_hw_SetNSS(module->hw, 0);
|
SX1278_hw_SetNSS(module->hw, 0);
|
||||||
SX1278_hw_SPICommand(module->hw, addr);
|
SX1278_hw_SPICommand(module->hw, addr);
|
||||||
for (i = 0; i < length; i++)
|
for (i = 0; i < length; i++) {
|
||||||
{
|
|
||||||
*(rxBuf + i) = SX1278_hw_SPIReadByte(module->hw);
|
*(rxBuf + i) = SX1278_hw_SPIReadByte(module->hw);
|
||||||
}
|
}
|
||||||
SX1278_hw_SetNSS(module->hw, 1);
|
SX1278_hw_SetNSS(module->hw, 1);
|
||||||
@ -50,27 +40,21 @@ void SX1278_SPIBurstRead(SX1278_t *module, uint8_t addr, uint8_t *rxBuf,
|
|||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_SPIBurstWrite(SX1278_t *module, uint8_t addr, uint8_t *txBuf,
|
void SX1278_SPIBurstWrite(SX1278_t *module, uint8_t addr, uint8_t *txBuf,
|
||||||
uint8_t length)
|
uint8_t length) {
|
||||||
{
|
|
||||||
unsigned char i;
|
unsigned char i;
|
||||||
if (length <= 1)
|
if (length <= 1) {
|
||||||
{
|
|
||||||
return;
|
return;
|
||||||
}
|
} else {
|
||||||
else
|
|
||||||
{
|
|
||||||
SX1278_hw_SetNSS(module->hw, 0);
|
SX1278_hw_SetNSS(module->hw, 0);
|
||||||
SX1278_hw_SPICommand(module->hw, addr | 0x80);
|
SX1278_hw_SPICommand(module->hw, addr | 0x80);
|
||||||
for (i = 0; i < length; i++)
|
for (i = 0; i < length; i++) {
|
||||||
{
|
|
||||||
SX1278_hw_SPICommand(module->hw, *(txBuf + i));
|
SX1278_hw_SPICommand(module->hw, *(txBuf + i));
|
||||||
}
|
}
|
||||||
SX1278_hw_SetNSS(module->hw, 1);
|
SX1278_hw_SetNSS(module->hw, 1);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_config(SX1278_t *module)
|
void SX1278_config(SX1278_t *module) {
|
||||||
{
|
|
||||||
SX1278_sleep(module); //Change modem mode Must in Sleep mode
|
SX1278_sleep(module); //Change modem mode Must in Sleep mode
|
||||||
SX1278_hw_DelayMs(15);
|
SX1278_hw_DelayMs(15);
|
||||||
|
|
||||||
@ -91,32 +75,33 @@ void SX1278_config(SX1278_t *module)
|
|||||||
|
|
||||||
SX1278_SPIWrite(module, LR_RegOcp, 0x0B); //RegOcp,Close Ocp
|
SX1278_SPIWrite(module, LR_RegOcp, 0x0B); //RegOcp,Close Ocp
|
||||||
SX1278_SPIWrite(module, LR_RegLna, 0x23); //RegLNA,High & LNA Enable
|
SX1278_SPIWrite(module, LR_RegLna, 0x23); //RegLNA,High & LNA Enable
|
||||||
if (SX1278_SpreadFactor[module->LoRa_SF] == 6)
|
if (SX1278_SpreadFactor[module->LoRa_SF] == 6) { //SFactor=6
|
||||||
{ // SFactor=6
|
|
||||||
uint8_t tmp;
|
uint8_t tmp;
|
||||||
SX1278_SPIWrite(module,
|
SX1278_SPIWrite(module,
|
||||||
LR_RegModemConfig1,
|
LR_RegModemConfig1,
|
||||||
((SX1278_LoRaBandwidth[module->LoRa_BW] << 4) + (SX1278_CodingRate[module->LoRa_CR] << 1) + 0x01)); // Implicit Enable CRC Enable(0x02) & Error Coding rate 4/5(0x01), 4/6(0x02), 4/7(0x03), 4/8(0x04)
|
((SX1278_LoRaBandwidth[module->LoRa_BW] << 4)
|
||||||
|
+ (SX1278_CodingRate[module->LoRa_CR] << 1) + 0x01)); //Implicit Enable CRC Enable(0x02) & Error Coding rate 4/5(0x01), 4/6(0x02), 4/7(0x03), 4/8(0x04)
|
||||||
|
|
||||||
SX1278_SPIWrite(module,
|
SX1278_SPIWrite(module,
|
||||||
LR_RegModemConfig2,
|
LR_RegModemConfig2,
|
||||||
((SX1278_SpreadFactor[module->LoRa_SF] << 4) + (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x03));
|
((SX1278_SpreadFactor[module->LoRa_SF] << 4)
|
||||||
|
+ (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x03));
|
||||||
|
|
||||||
tmp = SX1278_SPIRead(module, 0x31);
|
tmp = SX1278_SPIRead(module, 0x31);
|
||||||
tmp &= 0xF8;
|
tmp &= 0xF8;
|
||||||
tmp |= 0x05;
|
tmp |= 0x05;
|
||||||
SX1278_SPIWrite(module, 0x31, tmp);
|
SX1278_SPIWrite(module, 0x31, tmp);
|
||||||
SX1278_SPIWrite(module, 0x37, 0x0C);
|
SX1278_SPIWrite(module, 0x37, 0x0C);
|
||||||
}
|
} else {
|
||||||
else
|
|
||||||
{
|
|
||||||
SX1278_SPIWrite(module,
|
SX1278_SPIWrite(module,
|
||||||
LR_RegModemConfig1,
|
LR_RegModemConfig1,
|
||||||
((SX1278_LoRaBandwidth[module->LoRa_BW] << 4) + (SX1278_CodingRate[module->LoRa_CR] << 1) + 0x00)); // Explicit Enable CRC Enable(0x02) & Error Coding rate 4/5(0x01), 4/6(0x02), 4/7(0x03), 4/8(0x04)
|
((SX1278_LoRaBandwidth[module->LoRa_BW] << 4)
|
||||||
|
+ (SX1278_CodingRate[module->LoRa_CR] << 1) + 0x00)); //Explicit Enable CRC Enable(0x02) & Error Coding rate 4/5(0x01), 4/6(0x02), 4/7(0x03), 4/8(0x04)
|
||||||
|
|
||||||
SX1278_SPIWrite(module,
|
SX1278_SPIWrite(module,
|
||||||
LR_RegModemConfig2,
|
LR_RegModemConfig2,
|
||||||
((SX1278_SpreadFactor[module->LoRa_SF] << 4) + (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x00)); // SFactor & LNA gain set by the internal AGC loop
|
((SX1278_SpreadFactor[module->LoRa_SF] << 4)
|
||||||
|
+ (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x00)); //SFactor & LNA gain set by the internal AGC loop
|
||||||
}
|
}
|
||||||
|
|
||||||
SX1278_SPIWrite(module, LR_RegModemConfig3, 0x04);
|
SX1278_SPIWrite(module, LR_RegModemConfig3, 0x04);
|
||||||
@ -128,30 +113,25 @@ void SX1278_config(SX1278_t *module)
|
|||||||
SX1278_standby(module); //Entry standby mode
|
SX1278_standby(module); //Entry standby mode
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_standby(SX1278_t *module)
|
void SX1278_standby(SX1278_t *module) {
|
||||||
{
|
|
||||||
SX1278_SPIWrite(module, LR_RegOpMode, 0x09);
|
SX1278_SPIWrite(module, LR_RegOpMode, 0x09);
|
||||||
module->status = STANDBY;
|
module->status = STANDBY;
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_sleep(SX1278_t *module)
|
void SX1278_sleep(SX1278_t *module) {
|
||||||
{
|
|
||||||
SX1278_SPIWrite(module, LR_RegOpMode, 0x08);
|
SX1278_SPIWrite(module, LR_RegOpMode, 0x08);
|
||||||
module->status = SLEEP;
|
module->status = SLEEP;
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_entryLoRa(SX1278_t *module)
|
void SX1278_entryLoRa(SX1278_t *module) {
|
||||||
{
|
|
||||||
SX1278_SPIWrite(module, LR_RegOpMode, 0x88);
|
SX1278_SPIWrite(module, LR_RegOpMode, 0x88);
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_clearLoRaIrq(SX1278_t *module)
|
void SX1278_clearLoRaIrq(SX1278_t *module) {
|
||||||
{
|
|
||||||
SX1278_SPIWrite(module, LR_RegIrqFlags, 0xFF);
|
SX1278_SPIWrite(module, LR_RegIrqFlags, 0xFF);
|
||||||
}
|
}
|
||||||
|
|
||||||
int SX1278_LoRaEntryRx(SX1278_t *module, uint8_t length, uint32_t timeout)
|
int SX1278_LoRaEntryRx(SX1278_t *module, uint8_t length, uint32_t timeout) {
|
||||||
{
|
|
||||||
uint8_t addr;
|
uint8_t addr;
|
||||||
|
|
||||||
module->packetLength = length;
|
module->packetLength = length;
|
||||||
@ -169,15 +149,12 @@ int SX1278_LoRaEntryRx(SX1278_t *module, uint8_t length, uint32_t timeout)
|
|||||||
//SX1278_SPIWrite(module, LR_RegOpMode,0x05); //Continuous Rx Mode //High Frequency Mode
|
//SX1278_SPIWrite(module, LR_RegOpMode,0x05); //Continuous Rx Mode //High Frequency Mode
|
||||||
module->readBytes = 0;
|
module->readBytes = 0;
|
||||||
|
|
||||||
while (1)
|
while (1) {
|
||||||
{
|
if ((SX1278_SPIRead(module, LR_RegModemStat) & 0x04) == 0x04) { //Rx-on going RegModemStat
|
||||||
if ((SX1278_SPIRead(module, LR_RegModemStat) & 0x04) == 0x04)
|
|
||||||
{ // Rx-on going RegModemStat
|
|
||||||
module->status = RX;
|
module->status = RX;
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
if (--timeout == 0)
|
if (--timeout == 0) {
|
||||||
{
|
|
||||||
SX1278_hw_Reset(module->hw);
|
SX1278_hw_Reset(module->hw);
|
||||||
SX1278_config(module);
|
SX1278_config(module);
|
||||||
return 0;
|
return 0;
|
||||||
@ -186,37 +163,22 @@ int SX1278_LoRaEntryRx(SX1278_t *module, uint8_t length, uint32_t timeout)
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t SX1278_LoRaRxPacket(SX1278_t *module)
|
uint8_t SX1278_LoRaRxPacket(SX1278_t *module) {
|
||||||
{
|
|
||||||
unsigned char addr;
|
unsigned char addr;
|
||||||
unsigned char packet_size;
|
unsigned char packet_size;
|
||||||
static unsigned char last_addr = 0xff;
|
|
||||||
|
|
||||||
// if (SX1278_hw_GetDIO0(module->hw))
|
|
||||||
{
|
|
||||||
if (module->LoRa_SF == SX1278_LORA_SF_6)
|
|
||||||
{ // When SpreadFactor is six,will used Implicit Header mode(Excluding internal packet length)
|
|
||||||
packet_size = module->packetLength;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
packet_size = SX1278_SPIRead(module, LR_RegRxNbBytes); // Number for received bytes
|
|
||||||
}
|
|
||||||
|
|
||||||
if (packet_size == 0)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
|
if (SX1278_hw_GetDIO0(module->hw)) {
|
||||||
memset(module->rxBuffer, 0x00, SX1278_MAX_PACKET);
|
memset(module->rxBuffer, 0x00, SX1278_MAX_PACKET);
|
||||||
|
|
||||||
addr = SX1278_SPIRead(module, LR_RegFifoRxCurrentaddr); //last packet addr
|
addr = SX1278_SPIRead(module, LR_RegFifoRxCurrentaddr); //last packet addr
|
||||||
|
|
||||||
// if (addr == last_addr) // Judge if new packet arrived
|
|
||||||
// return 0;
|
|
||||||
// else
|
|
||||||
// last_addr = addr;
|
|
||||||
|
|
||||||
SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RxBaseAddr -> FiFoAddrPtr
|
SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RxBaseAddr -> FiFoAddrPtr
|
||||||
|
|
||||||
|
if (module->LoRa_SF == SX1278_LORA_SF_6) { //When SpreadFactor is six,will used Implicit Header mode(Excluding internal packet length)
|
||||||
|
packet_size = module->packetLength;
|
||||||
|
} else {
|
||||||
|
packet_size = SX1278_SPIRead(module, LR_RegRxNbBytes); //Number for received bytes
|
||||||
|
}
|
||||||
|
|
||||||
SX1278_SPIBurstRead(module, 0x00, module->rxBuffer, packet_size);
|
SX1278_SPIBurstRead(module, 0x00, module->rxBuffer, packet_size);
|
||||||
module->readBytes = packet_size;
|
module->readBytes = packet_size;
|
||||||
SX1278_clearLoRaIrq(module);
|
SX1278_clearLoRaIrq(module);
|
||||||
@ -224,8 +186,7 @@ uint8_t SX1278_LoRaRxPacket(SX1278_t *module)
|
|||||||
return module->readBytes;
|
return module->readBytes;
|
||||||
}
|
}
|
||||||
|
|
||||||
int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout)
|
int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout) {
|
||||||
{
|
|
||||||
uint8_t addr;
|
uint8_t addr;
|
||||||
uint8_t temp;
|
uint8_t temp;
|
||||||
|
|
||||||
@ -241,17 +202,14 @@ int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout)
|
|||||||
addr = SX1278_SPIRead(module, LR_RegFifoTxBaseAddr); //RegFiFoTxBaseAddr
|
addr = SX1278_SPIRead(module, LR_RegFifoTxBaseAddr); //RegFiFoTxBaseAddr
|
||||||
SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RegFifoAddrPtr
|
SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RegFifoAddrPtr
|
||||||
|
|
||||||
while (1)
|
while (1) {
|
||||||
{
|
|
||||||
temp = SX1278_SPIRead(module, LR_RegPayloadLength);
|
temp = SX1278_SPIRead(module, LR_RegPayloadLength);
|
||||||
if (temp == length)
|
if (temp == length) {
|
||||||
{
|
|
||||||
module->status = TX;
|
module->status = TX;
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (--timeout == 0)
|
if (--timeout == 0) {
|
||||||
{
|
|
||||||
SX1278_hw_Reset(module->hw);
|
SX1278_hw_Reset(module->hw);
|
||||||
SX1278_config(module);
|
SX1278_config(module);
|
||||||
return 0;
|
return 0;
|
||||||
@ -260,36 +218,29 @@ int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout)
|
|||||||
}
|
}
|
||||||
|
|
||||||
int SX1278_LoRaTxPacket(SX1278_t *module, uint8_t *txBuffer, uint8_t length,
|
int SX1278_LoRaTxPacket(SX1278_t *module, uint8_t *txBuffer, uint8_t length,
|
||||||
uint32_t timeout)
|
uint32_t timeout) {
|
||||||
{
|
|
||||||
SX1278_SPIBurstWrite(module, 0x00, txBuffer, length);
|
SX1278_SPIBurstWrite(module, 0x00, txBuffer, length);
|
||||||
SX1278_SPIWrite(module, LR_RegOpMode, 0x8b); //Tx Mode
|
SX1278_SPIWrite(module, LR_RegOpMode, 0x8b); //Tx Mode
|
||||||
|
while (1) {
|
||||||
{
|
if (SX1278_hw_GetDIO0(module->hw)) { //if(Get_NIRQ()) //Packet send over
|
||||||
// if (SX1278_hw_GetDIO0(module->hw))
|
|
||||||
{ // if(Get_NIRQ()) //Packet send over
|
|
||||||
SX1278_SPIRead(module, LR_RegIrqFlags);
|
SX1278_SPIRead(module, LR_RegIrqFlags);
|
||||||
SX1278_clearLoRaIrq(module); //Clear irq
|
SX1278_clearLoRaIrq(module); //Clear irq
|
||||||
SX1278_standby(module); //Entry Standby mode
|
SX1278_standby(module); //Entry Standby mode
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
// if (--timeout == 0)
|
if (--timeout == 0) {
|
||||||
// {
|
SX1278_hw_Reset(module->hw);
|
||||||
// SX1278_hw_Reset(module->hw);
|
SX1278_config(module);
|
||||||
// SX1278_config(module);
|
return 0;
|
||||||
// return 0;
|
}
|
||||||
// }
|
SX1278_hw_DelayMs(1);
|
||||||
// SX1278_hw_DelayMs(1);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_init(SX1278_t *module, uint64_t frequency, uint8_t power,
|
void SX1278_init(SX1278_t *module, uint64_t frequency, uint8_t power,
|
||||||
uint8_t LoRa_SF, uint8_t LoRa_BW, uint8_t LoRa_CR,
|
uint8_t LoRa_SF, uint8_t LoRa_BW, uint8_t LoRa_CR,
|
||||||
uint8_t LoRa_CRC_sum, uint8_t packetLength)
|
uint8_t LoRa_CRC_sum, uint8_t packetLength) {
|
||||||
{
|
|
||||||
sx1278_spix = module->hw->spi;
|
|
||||||
|
|
||||||
SX1278_hw_init(module->hw);
|
SX1278_hw_init(module->hw);
|
||||||
module->frequency = frequency;
|
module->frequency = frequency;
|
||||||
module->power = power;
|
module->power = power;
|
||||||
@ -302,45 +253,38 @@ void SX1278_init(SX1278_t *module, uint64_t frequency, uint8_t power,
|
|||||||
}
|
}
|
||||||
|
|
||||||
int SX1278_transmit(SX1278_t *module, uint8_t *txBuf, uint8_t length,
|
int SX1278_transmit(SX1278_t *module, uint8_t *txBuf, uint8_t length,
|
||||||
uint32_t timeout)
|
uint32_t timeout) {
|
||||||
{
|
if (SX1278_LoRaEntryTx(module, length, timeout)) {
|
||||||
if (SX1278_LoRaEntryTx(module, length, timeout))
|
|
||||||
{
|
|
||||||
return SX1278_LoRaTxPacket(module, txBuf, length, timeout);
|
return SX1278_LoRaTxPacket(module, txBuf, length, timeout);
|
||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
int SX1278_receive(SX1278_t *module, uint8_t length, uint32_t timeout)
|
int SX1278_receive(SX1278_t *module, uint8_t length, uint32_t timeout) {
|
||||||
{
|
|
||||||
return SX1278_LoRaEntryRx(module, length, timeout);
|
return SX1278_LoRaEntryRx(module, length, timeout);
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t SX1278_available(SX1278_t *module)
|
uint8_t SX1278_available(SX1278_t *module) {
|
||||||
{
|
|
||||||
return SX1278_LoRaRxPacket(module);
|
return SX1278_LoRaRxPacket(module);
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t SX1278_read(SX1278_t *module, uint8_t *rxBuf, uint8_t length)
|
uint8_t SX1278_read(SX1278_t *module, uint8_t *rxBuf, uint8_t length) {
|
||||||
{
|
|
||||||
if (length != module->readBytes)
|
if (length != module->readBytes)
|
||||||
length = module->readBytes;
|
length = module->readBytes;
|
||||||
memcpy(rxBuf, module->rxBuffer, length);
|
memcpy(rxBuf, module->rxBuffer, length);
|
||||||
// rxBuf[length] = '\0';
|
rxBuf[length] = '\0';
|
||||||
module->readBytes = 0;
|
module->readBytes = 0;
|
||||||
return length;
|
return length;
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t SX1278_RSSI_LoRa(SX1278_t *module)
|
uint8_t SX1278_RSSI_LoRa(SX1278_t *module) {
|
||||||
{
|
|
||||||
uint32_t temp = 10;
|
uint32_t temp = 10;
|
||||||
temp = SX1278_SPIRead(module, LR_RegRssiValue); //Read RegRssiValue, Rssi value
|
temp = SX1278_SPIRead(module, LR_RegRssiValue); //Read RegRssiValue, Rssi value
|
||||||
temp = temp + 127 - 137; //127:Max RSSI, 137:RSSI offset
|
temp = temp + 127 - 137; //127:Max RSSI, 137:RSSI offset
|
||||||
return (uint8_t) temp;
|
return (uint8_t) temp;
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t SX1278_RSSI(SX1278_t *module)
|
uint8_t SX1278_RSSI(SX1278_t *module) {
|
||||||
{
|
|
||||||
uint8_t temp = 0xff;
|
uint8_t temp = 0xff;
|
||||||
temp = SX1278_SPIRead(module, RegRssiValue);
|
temp = SX1278_SPIRead(module, RegRssiValue);
|
||||||
temp = 127 - (temp >> 1); //127:Max RSSI
|
temp = 127 - (temp >> 1); //127:Max RSSI
|
||||||
|
|||||||
@ -152,8 +152,7 @@
|
|||||||
#define SX1278_POWER_14DBM 2
|
#define SX1278_POWER_14DBM 2
|
||||||
#define SX1278_POWER_11DBM 3
|
#define SX1278_POWER_11DBM 3
|
||||||
|
|
||||||
static const uint8_t SX1278_Power[4] = {
|
static const uint8_t SX1278_Power[4] = { 0xFF, //20dbm
|
||||||
0xFF, // 20dbm
|
|
||||||
0xFC, //17dbm
|
0xFC, //17dbm
|
||||||
0xF9, //14dbm
|
0xF9, //14dbm
|
||||||
0xF6, //11dbm
|
0xF6, //11dbm
|
||||||
@ -180,8 +179,7 @@ static const uint8_t SX1278_SpreadFactor[7] = {6, 7, 8, 9, 10, 11, 12};
|
|||||||
#define SX1278_LORA_BW_250KHZ 8
|
#define SX1278_LORA_BW_250KHZ 8
|
||||||
#define SX1278_LORA_BW_500KHZ 9
|
#define SX1278_LORA_BW_500KHZ 9
|
||||||
|
|
||||||
static const uint8_t SX1278_LoRaBandwidth[10] = {
|
static const uint8_t SX1278_LoRaBandwidth[10] = { 0, // 7.8KHz,
|
||||||
0, // 7.8KHz,
|
|
||||||
1, // 10.4KHz,
|
1, // 10.4KHz,
|
||||||
2, // 15.6KHz,
|
2, // 15.6KHz,
|
||||||
3, // 20.8KHz,
|
3, // 20.8KHz,
|
||||||
@ -207,18 +205,11 @@ static const uint8_t SX1278_CodingRate[4] = {0x01, 0x02, 0x03, 0x04};
|
|||||||
|
|
||||||
static const uint8_t SX1278_CRC_Sum[2] = { 0x01, 0x00 };
|
static const uint8_t SX1278_CRC_Sum[2] = { 0x01, 0x00 };
|
||||||
|
|
||||||
typedef enum _SX1278_STATUS
|
typedef enum _SX1278_STATUS {
|
||||||
{
|
SLEEP, STANDBY, TX, RX
|
||||||
SLEEP,
|
|
||||||
STANDBY,
|
|
||||||
TX,
|
|
||||||
RX
|
|
||||||
} SX1278_Status_t;
|
} SX1278_Status_t;
|
||||||
|
|
||||||
#define RECEIVE_PACKET_LENGTH 1
|
typedef struct {
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
SX1278_hw_t *hw;
|
SX1278_hw_t *hw;
|
||||||
|
|
||||||
uint64_t frequency;
|
uint64_t frequency;
|
||||||
|
|||||||
@ -8,28 +8,20 @@
|
|||||||
#include "SX1278_hw.h"
|
#include "SX1278_hw.h"
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
|
|
||||||
#include "systick.h"
|
#include "gpio.h"
|
||||||
#include "softspi.h"
|
#include "spi.h"
|
||||||
|
|
||||||
#define SetSS SoftSPI_SetSS(sx1278_spix)
|
__weak void SX1278_hw_init(SX1278_hw_t *hw) {
|
||||||
#define ClrSS SoftSPI_ClrSS(sx1278_spix)
|
|
||||||
#define SPI_WriteRead(__byte__) SoftSPI_WriteRead(sx1278_spix, __byte__)
|
|
||||||
|
|
||||||
extern SoftSPI_TypeDef *sx1278_spix;
|
|
||||||
|
|
||||||
void SX1278_hw_init(SX1278_hw_t *hw)
|
|
||||||
{
|
|
||||||
SX1278_hw_SetNSS(hw, 1);
|
SX1278_hw_SetNSS(hw, 1);
|
||||||
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_SET);
|
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_SET);
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_hw_SetNSS(SX1278_hw_t *hw, int value)
|
__weak void SX1278_hw_SetNSS(SX1278_hw_t *hw, int value) {
|
||||||
{
|
HAL_GPIO_WritePin(hw->nss.port, hw->nss.pin,
|
||||||
(value == 1) ? SetSS : ClrSS;
|
(value == 1) ? GPIO_PIN_SET : GPIO_PIN_RESET);
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_hw_Reset(SX1278_hw_t *hw)
|
__weak void SX1278_hw_Reset(SX1278_hw_t *hw) {
|
||||||
{
|
|
||||||
SX1278_hw_SetNSS(hw, 1);
|
SX1278_hw_SetNSS(hw, 1);
|
||||||
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_RESET);
|
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_RESET);
|
||||||
|
|
||||||
@ -40,29 +32,29 @@ void SX1278_hw_Reset(SX1278_hw_t *hw)
|
|||||||
SX1278_hw_DelayMs(100);
|
SX1278_hw_DelayMs(100);
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_hw_SPICommand(SX1278_hw_t *hw, uint8_t cmd)
|
__weak void SX1278_hw_SPICommand(SX1278_hw_t *hw, uint8_t cmd) {
|
||||||
{
|
|
||||||
SX1278_hw_SetNSS(hw, 0);
|
SX1278_hw_SetNSS(hw, 0);
|
||||||
SPI_WriteRead(cmd);
|
HAL_SPI_Transmit(hw->spi, &cmd, 1, 1000);
|
||||||
|
while (HAL_SPI_GetState(hw->spi) != HAL_SPI_STATE_READY)
|
||||||
|
;
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t SX1278_hw_SPIReadByte(SX1278_hw_t *hw)
|
__weak uint8_t SX1278_hw_SPIReadByte(SX1278_hw_t *hw) {
|
||||||
{
|
|
||||||
uint8_t txByte = 0x00;
|
uint8_t txByte = 0x00;
|
||||||
uint8_t rxByte = 0x00;
|
uint8_t rxByte = 0x00;
|
||||||
|
|
||||||
SX1278_hw_SetNSS(hw, 0);
|
SX1278_hw_SetNSS(hw, 0);
|
||||||
rxByte = SPI_WriteRead(txByte);
|
HAL_SPI_TransmitReceive(hw->spi, &txByte, &rxByte, 1, 1000);
|
||||||
|
while (HAL_SPI_GetState(hw->spi) != HAL_SPI_STATE_READY)
|
||||||
|
;
|
||||||
return rxByte;
|
return rxByte;
|
||||||
}
|
}
|
||||||
|
|
||||||
void SX1278_hw_DelayMs(uint32_t msec)
|
__weak void SX1278_hw_DelayMs(uint32_t msec) {
|
||||||
{
|
HAL_Delay(msec);
|
||||||
Delay_ms(msec);
|
}
|
||||||
|
|
||||||
|
__weak int SX1278_hw_GetDIO0(SX1278_hw_t *hw) {
|
||||||
|
return (HAL_GPIO_ReadPin(hw->dio0.port, hw->dio0.pin) == GPIO_PIN_SET);
|
||||||
}
|
}
|
||||||
|
|
||||||
// int SX1278_hw_GetDIO0(SX1278_hw_t *hw)
|
|
||||||
// {
|
|
||||||
// return (HAL_GPIO_ReadPin(hw->dio0.port, hw->dio0.pin) == GPIO_PIN_SET);
|
|
||||||
// }
|
|
||||||
|
|||||||
@ -9,20 +9,17 @@
|
|||||||
#define __SX1278_HW_HEADER
|
#define __SX1278_HW_HEADER
|
||||||
|
|
||||||
#include <stdint.h>
|
#include <stdint.h>
|
||||||
#include "softspi.h"
|
|
||||||
|
|
||||||
typedef struct
|
typedef struct {
|
||||||
{
|
|
||||||
int pin;
|
int pin;
|
||||||
void *port;
|
void *port;
|
||||||
} SX1278_hw_dio_t;
|
} SX1278_hw_dio_t;
|
||||||
|
|
||||||
typedef struct
|
typedef struct {
|
||||||
{
|
|
||||||
SX1278_hw_dio_t reset;
|
SX1278_hw_dio_t reset;
|
||||||
SX1278_hw_dio_t dio0;
|
SX1278_hw_dio_t dio0;
|
||||||
SX1278_hw_dio_t nss;
|
SX1278_hw_dio_t nss;
|
||||||
SoftSPI_TypeDef *spi;
|
void *spi;
|
||||||
} SX1278_hw_t;
|
} SX1278_hw_t;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
@ -92,6 +89,7 @@ void SX1278_hw_DelayMs(uint32_t msec);
|
|||||||
*
|
*
|
||||||
* \return 0 if DIO0 low, 1 if DIO high
|
* \return 0 if DIO0 low, 1 if DIO high
|
||||||
*/
|
*/
|
||||||
// int SX1278_hw_GetDIO0(SX1278_hw_t *hw);
|
int SX1278_hw_GetDIO0(SX1278_hw_t *hw);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user