Update to adapt no DIO0 situation
This commit is contained in:
parent
d6d89363ce
commit
a7a4236052
488
driver/SX1278.c
488
driver/SX1278.c
@ -9,284 +9,340 @@
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#include "SX1278.h"
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#include <string.h>
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uint8_t SX1278_SPIRead(SX1278_t *module, uint8_t addr) {
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uint8_t tmp;
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SX1278_hw_SPICommand(module->hw, addr);
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tmp = SX1278_hw_SPIReadByte(module->hw);
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SX1278_hw_SetNSS(module->hw, 1);
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return tmp;
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SoftSPI_TypeDef *sx1278_spix;
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uint8_t SX1278_SPIRead(SX1278_t *module, uint8_t addr)
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{
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uint8_t tmp;
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SX1278_hw_SPICommand(module->hw, addr);
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tmp = SX1278_hw_SPIReadByte(module->hw);
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SX1278_hw_SetNSS(module->hw, 1);
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return tmp;
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}
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void SX1278_SPIWrite(SX1278_t *module, uint8_t addr, uint8_t cmd) {
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SX1278_hw_SetNSS(module->hw, 0);
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SX1278_hw_SPICommand(module->hw, addr | 0x80);
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SX1278_hw_SPICommand(module->hw, cmd);
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SX1278_hw_SetNSS(module->hw, 1);
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void SX1278_SPIWrite(SX1278_t *module, uint8_t addr, uint8_t cmd)
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{
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SX1278_hw_SetNSS(module->hw, 0);
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SX1278_hw_SPICommand(module->hw, addr | 0x80);
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SX1278_hw_SPICommand(module->hw, cmd);
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SX1278_hw_SetNSS(module->hw, 1);
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}
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void SX1278_SPIBurstRead(SX1278_t *module, uint8_t addr, uint8_t *rxBuf,
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uint8_t length) {
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uint8_t i;
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if (length <= 1) {
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return;
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} else {
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SX1278_hw_SetNSS(module->hw, 0);
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SX1278_hw_SPICommand(module->hw, addr);
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for (i = 0; i < length; i++) {
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*(rxBuf + i) = SX1278_hw_SPIReadByte(module->hw);
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}
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SX1278_hw_SetNSS(module->hw, 1);
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}
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uint8_t length)
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{
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uint8_t i;
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// if (length <= 1)
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if (length < 1)
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{
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return;
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}
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else
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{
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SX1278_hw_SetNSS(module->hw, 0);
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SX1278_hw_SPICommand(module->hw, addr);
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for (i = 0; i < length; i++)
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{
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*(rxBuf + i) = SX1278_hw_SPIReadByte(module->hw);
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}
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SX1278_hw_SetNSS(module->hw, 1);
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}
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}
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void SX1278_SPIBurstWrite(SX1278_t *module, uint8_t addr, uint8_t *txBuf,
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uint8_t length) {
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unsigned char i;
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if (length <= 1) {
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return;
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} else {
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SX1278_hw_SetNSS(module->hw, 0);
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SX1278_hw_SPICommand(module->hw, addr | 0x80);
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for (i = 0; i < length; i++) {
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SX1278_hw_SPICommand(module->hw, *(txBuf + i));
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}
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SX1278_hw_SetNSS(module->hw, 1);
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}
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uint8_t length)
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{
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unsigned char i;
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if (length <= 1)
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{
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return;
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}
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else
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{
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SX1278_hw_SetNSS(module->hw, 0);
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SX1278_hw_SPICommand(module->hw, addr | 0x80);
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for (i = 0; i < length; i++)
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{
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SX1278_hw_SPICommand(module->hw, *(txBuf + i));
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}
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SX1278_hw_SetNSS(module->hw, 1);
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}
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}
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void SX1278_config(SX1278_t *module) {
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SX1278_sleep(module); //Change modem mode Must in Sleep mode
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SX1278_hw_DelayMs(15);
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void SX1278_config(SX1278_t *module)
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{
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SX1278_sleep(module); // Change modem mode Must in Sleep mode
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SX1278_hw_DelayMs(15);
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SX1278_entryLoRa(module);
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//SX1278_SPIWrite(module, 0x5904); //?? Change digital regulator form 1.6V to 1.47V: see errata note
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SX1278_entryLoRa(module);
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// SX1278_SPIWrite(module, 0x5904); //?? Change digital regulator form 1.6V to 1.47V: see errata note
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uint64_t freq = ((uint64_t) module->frequency << 19) / 32000000;
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uint8_t freq_reg[3];
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freq_reg[0] = (uint8_t) (freq >> 16);
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freq_reg[1] = (uint8_t) (freq >> 8);
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freq_reg[2] = (uint8_t) (freq >> 0);
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SX1278_SPIBurstWrite(module, LR_RegFrMsb, (uint8_t*) freq_reg, 3); //setting frequency parameter
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uint64_t freq = ((uint64_t)module->frequency << 19) / 32000000;
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uint8_t freq_reg[3];
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freq_reg[0] = (uint8_t)(freq >> 16);
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freq_reg[1] = (uint8_t)(freq >> 8);
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freq_reg[2] = (uint8_t)(freq >> 0);
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SX1278_SPIBurstWrite(module, LR_RegFrMsb, (uint8_t *)freq_reg, 3); // setting frequency parameter
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SX1278_SPIWrite(module, RegSyncWord, 0x34);
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SX1278_SPIWrite(module, RegSyncWord, 0x34);
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//setting base parameter
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SX1278_SPIWrite(module, LR_RegPaConfig, SX1278_Power[module->power]); //Setting output power parameter
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// setting base parameter
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SX1278_SPIWrite(module, LR_RegPaConfig, SX1278_Power[module->power]); // Setting output power parameter
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SX1278_SPIWrite(module, LR_RegOcp, 0x0B); //RegOcp,Close Ocp
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SX1278_SPIWrite(module, LR_RegLna, 0x23); //RegLNA,High & LNA Enable
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if (SX1278_SpreadFactor[module->LoRa_SF] == 6) { //SFactor=6
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uint8_t tmp;
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SX1278_SPIWrite(module,
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LR_RegModemConfig1,
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((SX1278_LoRaBandwidth[module->LoRa_BW] << 4)
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+ (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)
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SX1278_SPIWrite(module, LR_RegOcp, 0x0B); // RegOcp,Close Ocp
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SX1278_SPIWrite(module, LR_RegLna, 0x23); // RegLNA,High & LNA Enable
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if (SX1278_SpreadFactor[module->LoRa_SF] == 6)
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{ // SFactor=6
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uint8_t tmp;
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SX1278_SPIWrite(module,
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LR_RegModemConfig1,
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((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)
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SX1278_SPIWrite(module,
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LR_RegModemConfig2,
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((SX1278_SpreadFactor[module->LoRa_SF] << 4)
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+ (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x03));
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SX1278_SPIWrite(module,
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LR_RegModemConfig2,
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((SX1278_SpreadFactor[module->LoRa_SF] << 4) + (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x03));
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tmp = SX1278_SPIRead(module, 0x31);
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tmp &= 0xF8;
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tmp |= 0x05;
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SX1278_SPIWrite(module, 0x31, tmp);
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SX1278_SPIWrite(module, 0x37, 0x0C);
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} else {
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SX1278_SPIWrite(module,
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LR_RegModemConfig1,
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((SX1278_LoRaBandwidth[module->LoRa_BW] << 4)
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+ (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)
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tmp = SX1278_SPIRead(module, 0x31);
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tmp &= 0xF8;
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tmp |= 0x05;
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SX1278_SPIWrite(module, 0x31, tmp);
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SX1278_SPIWrite(module, 0x37, 0x0C);
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}
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else
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{
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SX1278_SPIWrite(module,
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LR_RegModemConfig1,
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((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)
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SX1278_SPIWrite(module,
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LR_RegModemConfig2,
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((SX1278_SpreadFactor[module->LoRa_SF] << 4)
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+ (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x00)); //SFactor & LNA gain set by the internal AGC loop
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}
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SX1278_SPIWrite(module,
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LR_RegModemConfig2,
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((SX1278_SpreadFactor[module->LoRa_SF] << 4) + (SX1278_CRC_Sum[module->LoRa_CRC_sum] << 2) + 0x00)); // SFactor & LNA gain set by the internal AGC loop
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}
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SX1278_SPIWrite(module, LR_RegModemConfig3, 0x04);
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SX1278_SPIWrite(module, LR_RegSymbTimeoutLsb, 0x08); //RegSymbTimeoutLsb Timeout = 0x3FF(Max)
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SX1278_SPIWrite(module, LR_RegPreambleMsb, 0x00); //RegPreambleMsb
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SX1278_SPIWrite(module, LR_RegPreambleLsb, 8); //RegPreambleLsb 8+4=12byte Preamble
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SX1278_SPIWrite(module, REG_LR_DIOMAPPING2, 0x01); //RegDioMapping2 DIO5=00, DIO4=01
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module->readBytes = 0;
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SX1278_standby(module); //Entry standby mode
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SX1278_SPIWrite(module, LR_RegModemConfig3, 0x04);
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SX1278_SPIWrite(module, LR_RegSymbTimeoutLsb, 0x08); // RegSymbTimeoutLsb Timeout = 0x3FF(Max)
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SX1278_SPIWrite(module, LR_RegPreambleMsb, 0x00); // RegPreambleMsb
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SX1278_SPIWrite(module, LR_RegPreambleLsb, 8); // RegPreambleLsb 8+4=12byte Preamble
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SX1278_SPIWrite(module, REG_LR_DIOMAPPING2, 0x01); // RegDioMapping2 DIO5=00, DIO4=01
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module->readBytes = 0;
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SX1278_standby(module); // Entry standby mode
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}
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void SX1278_standby(SX1278_t *module) {
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SX1278_SPIWrite(module, LR_RegOpMode, 0x09);
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module->status = STANDBY;
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void SX1278_standby(SX1278_t *module)
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{
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SX1278_SPIWrite(module, LR_RegOpMode, 0x09);
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module->status = STANDBY;
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}
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void SX1278_sleep(SX1278_t *module) {
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SX1278_SPIWrite(module, LR_RegOpMode, 0x08);
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module->status = SLEEP;
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void SX1278_sleep(SX1278_t *module)
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{
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SX1278_SPIWrite(module, LR_RegOpMode, 0x08);
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module->status = SLEEP;
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}
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void SX1278_entryLoRa(SX1278_t *module) {
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SX1278_SPIWrite(module, LR_RegOpMode, 0x88);
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void SX1278_entryLoRa(SX1278_t *module)
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{
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SX1278_SPIWrite(module, LR_RegOpMode, 0x88);
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}
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void SX1278_clearLoRaIrq(SX1278_t *module) {
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SX1278_SPIWrite(module, LR_RegIrqFlags, 0xFF);
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void SX1278_clearLoRaIrq(SX1278_t *module)
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{
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SX1278_SPIWrite(module, LR_RegIrqFlags, 0xFF);
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}
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int SX1278_LoRaEntryRx(SX1278_t *module, uint8_t length, uint32_t timeout) {
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uint8_t addr;
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int SX1278_LoRaEntryRx(SX1278_t *module, uint8_t length, uint32_t timeout)
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{
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uint8_t addr;
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module->packetLength = length;
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module->packetLength = length;
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SX1278_config(module); //Setting base parameter
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SX1278_SPIWrite(module, REG_LR_PADAC, 0x84); //Normal and RX
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SX1278_SPIWrite(module, LR_RegHopPeriod, 0xFF); //No FHSS
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SX1278_SPIWrite(module, REG_LR_DIOMAPPING1, 0x01);//DIO=00,DIO1=00,DIO2=00, DIO3=01
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SX1278_SPIWrite(module, LR_RegIrqFlagsMask, 0x3F);//Open RxDone interrupt & Timeout
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SX1278_clearLoRaIrq(module);
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SX1278_SPIWrite(module, LR_RegPayloadLength, length);//Payload Length 21byte(this register must difine when the data long of one byte in SF is 6)
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addr = SX1278_SPIRead(module, LR_RegFifoRxBaseAddr); //Read RxBaseAddr
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SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RxBaseAddr->FiFoAddrPtr
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SX1278_SPIWrite(module, LR_RegOpMode, 0x8d); //Mode//Low Frequency Mode
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//SX1278_SPIWrite(module, LR_RegOpMode,0x05); //Continuous Rx Mode //High Frequency Mode
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module->readBytes = 0;
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SX1278_config(module); // Setting base parameter
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SX1278_SPIWrite(module, REG_LR_PADAC, 0x84); // Normal and RX
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SX1278_SPIWrite(module, LR_RegHopPeriod, 0xFF); // No FHSS
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SX1278_SPIWrite(module, REG_LR_DIOMAPPING1, 0x01); // DIO=00,DIO1=00,DIO2=00, DIO3=01
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SX1278_SPIWrite(module, LR_RegIrqFlagsMask, 0x3F); // Open RxDone interrupt & Timeout
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SX1278_clearLoRaIrq(module);
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SX1278_SPIWrite(module, LR_RegPayloadLength, length); // Payload Length 21byte(this register must difine when the data long of one byte in SF is 6)
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addr = SX1278_SPIRead(module, LR_RegFifoRxBaseAddr); // Read RxBaseAddr
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SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); // RxBaseAddr->FiFoAddrPtr
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SX1278_SPIWrite(module, LR_RegOpMode, 0x8d); // Mode//Low Frequency Mode
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// SX1278_SPIWrite(module, LR_RegOpMode,0x05); //Continuous Rx Mode //High Frequency Mode
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module->readBytes = 0;
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while (1) {
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if ((SX1278_SPIRead(module, LR_RegModemStat) & 0x04) == 0x04) { //Rx-on going RegModemStat
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module->status = RX;
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return 1;
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}
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if (--timeout == 0) {
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SX1278_hw_Reset(module->hw);
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SX1278_config(module);
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return 0;
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}
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SX1278_hw_DelayMs(1);
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}
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while (1)
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{
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if ((SX1278_SPIRead(module, LR_RegModemStat) & 0x04) == 0x04)
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{ // Rx-on going RegModemStat
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module->status = RX;
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return 1;
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}
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if (--timeout == 0)
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{
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SX1278_hw_Reset(module->hw);
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SX1278_config(module);
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return 0;
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}
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SX1278_hw_DelayMs(1);
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}
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}
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uint8_t SX1278_LoRaRxPacket(SX1278_t *module) {
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unsigned char addr;
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unsigned char packet_size;
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uint8_t SX1278_LoRaRxPacket(SX1278_t *module)
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{
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unsigned char addr;
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unsigned char packet_size;
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static unsigned char last_addr = 0xff;
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if (SX1278_hw_GetDIO0(module->hw)) {
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memset(module->rxBuffer, 0x00, SX1278_MAX_PACKET);
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// if (SX1278_hw_GetDIO0(module->hw))
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{
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if (module->LoRa_SF == SX1278_LORA_SF_6)
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{ // When SpreadFactor is six,will used Implicit Header mode(Excluding internal packet length)
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packet_size = module->packetLength;
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}
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else
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{
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packet_size = SX1278_SPIRead(module, LR_RegRxNbBytes); // Number for received bytes
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}
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addr = SX1278_SPIRead(module, LR_RegFifoRxCurrentaddr); //last packet addr
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SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RxBaseAddr -> FiFoAddrPtr
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if (packet_size == 0)
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return 0;
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if (module->LoRa_SF == SX1278_LORA_SF_6) { //When SpreadFactor is six,will used Implicit Header mode(Excluding internal packet length)
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packet_size = module->packetLength;
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} else {
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packet_size = SX1278_SPIRead(module, LR_RegRxNbBytes); //Number for received bytes
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}
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memset(module->rxBuffer, 0x00, SX1278_MAX_PACKET);
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SX1278_SPIBurstRead(module, 0x00, module->rxBuffer, packet_size);
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module->readBytes = packet_size;
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SX1278_clearLoRaIrq(module);
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}
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return module->readBytes;
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addr = SX1278_SPIRead(module, LR_RegFifoRxCurrentaddr); // last packet addr
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if (addr == last_addr) // Judge if new packet arrived
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return 0;
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else
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last_addr = addr;
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SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); // RxBaseAddr -> FiFoAddrPtr
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SX1278_SPIBurstRead(module, 0x00, module->rxBuffer, packet_size);
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module->readBytes = packet_size;
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SX1278_clearLoRaIrq(module);
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}
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return module->readBytes;
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}
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int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout) {
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uint8_t addr;
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uint8_t temp;
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int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout)
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{
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uint8_t addr;
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uint8_t temp;
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||||
|
||||
module->packetLength = length;
|
||||
module->packetLength = length;
|
||||
|
||||
SX1278_config(module); //setting base parameter
|
||||
SX1278_SPIWrite(module, REG_LR_PADAC, 0x87); //Tx for 20dBm
|
||||
SX1278_SPIWrite(module, LR_RegHopPeriod, 0x00); //RegHopPeriod NO FHSS
|
||||
SX1278_SPIWrite(module, REG_LR_DIOMAPPING1, 0x41); //DIO0=01, DIO1=00,DIO2=00, DIO3=01
|
||||
SX1278_clearLoRaIrq(module);
|
||||
SX1278_SPIWrite(module, LR_RegIrqFlagsMask, 0xF7); //Open TxDone interrupt
|
||||
SX1278_SPIWrite(module, LR_RegPayloadLength, length); //RegPayloadLength 21byte
|
||||
addr = SX1278_SPIRead(module, LR_RegFifoTxBaseAddr); //RegFiFoTxBaseAddr
|
||||
SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); //RegFifoAddrPtr
|
||||
SX1278_config(module); // setting base parameter
|
||||
SX1278_SPIWrite(module, REG_LR_PADAC, 0x87); // Tx for 20dBm
|
||||
SX1278_SPIWrite(module, LR_RegHopPeriod, 0x00); // RegHopPeriod NO FHSS
|
||||
SX1278_SPIWrite(module, REG_LR_DIOMAPPING1, 0x41); // DIO0=01, DIO1=00,DIO2=00, DIO3=01
|
||||
SX1278_clearLoRaIrq(module);
|
||||
SX1278_SPIWrite(module, LR_RegIrqFlagsMask, 0xF7); // Open TxDone interrupt
|
||||
SX1278_SPIWrite(module, LR_RegPayloadLength, length); // RegPayloadLength 21byte
|
||||
addr = SX1278_SPIRead(module, LR_RegFifoTxBaseAddr); // RegFiFoTxBaseAddr
|
||||
SX1278_SPIWrite(module, LR_RegFifoAddrPtr, addr); // RegFifoAddrPtr
|
||||
|
||||
while (1) {
|
||||
temp = SX1278_SPIRead(module, LR_RegPayloadLength);
|
||||
if (temp == length) {
|
||||
module->status = TX;
|
||||
return 1;
|
||||
}
|
||||
while (1)
|
||||
{
|
||||
temp = SX1278_SPIRead(module, LR_RegPayloadLength);
|
||||
if (temp == length)
|
||||
{
|
||||
module->status = TX;
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (--timeout == 0) {
|
||||
SX1278_hw_Reset(module->hw);
|
||||
SX1278_config(module);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
if (--timeout == 0)
|
||||
{
|
||||
SX1278_hw_Reset(module->hw);
|
||||
SX1278_config(module);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int SX1278_LoRaTxPacket(SX1278_t *module, uint8_t *txBuffer, uint8_t length,
|
||||
uint32_t timeout) {
|
||||
SX1278_SPIBurstWrite(module, 0x00, txBuffer, length);
|
||||
SX1278_SPIWrite(module, LR_RegOpMode, 0x8b); //Tx Mode
|
||||
while (1) {
|
||||
if (SX1278_hw_GetDIO0(module->hw)) { //if(Get_NIRQ()) //Packet send over
|
||||
SX1278_SPIRead(module, LR_RegIrqFlags);
|
||||
SX1278_clearLoRaIrq(module); //Clear irq
|
||||
SX1278_standby(module); //Entry Standby mode
|
||||
return 1;
|
||||
}
|
||||
uint32_t timeout)
|
||||
{
|
||||
SX1278_SPIBurstWrite(module, 0x00, txBuffer, length);
|
||||
SX1278_SPIWrite(module, LR_RegOpMode, 0x8b); // Tx Mode
|
||||
|
||||
if (--timeout == 0) {
|
||||
SX1278_hw_Reset(module->hw);
|
||||
SX1278_config(module);
|
||||
return 0;
|
||||
}
|
||||
SX1278_hw_DelayMs(1);
|
||||
}
|
||||
{
|
||||
// if (SX1278_hw_GetDIO0(module->hw))
|
||||
{ // if(Get_NIRQ()) //Packet send over
|
||||
SX1278_SPIRead(module, LR_RegIrqFlags);
|
||||
SX1278_clearLoRaIrq(module); // Clear irq
|
||||
SX1278_standby(module); // Entry Standby mode
|
||||
return 1;
|
||||
}
|
||||
|
||||
// if (--timeout == 0)
|
||||
// {
|
||||
// SX1278_hw_Reset(module->hw);
|
||||
// SX1278_config(module);
|
||||
// return 0;
|
||||
// }
|
||||
// SX1278_hw_DelayMs(1);
|
||||
}
|
||||
}
|
||||
|
||||
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_CRC_sum, uint8_t packetLength) {
|
||||
SX1278_hw_init(module->hw);
|
||||
module->frequency = frequency;
|
||||
module->power = power;
|
||||
module->LoRa_SF = LoRa_SF;
|
||||
module->LoRa_BW = LoRa_BW;
|
||||
module->LoRa_CR = LoRa_CR;
|
||||
module->LoRa_CRC_sum = LoRa_CRC_sum;
|
||||
module->packetLength = packetLength;
|
||||
SX1278_config(module);
|
||||
uint8_t LoRa_SF, uint8_t LoRa_BW, uint8_t LoRa_CR,
|
||||
uint8_t LoRa_CRC_sum, uint8_t packetLength)
|
||||
{
|
||||
sx1278_spix = module->hw->spi;
|
||||
|
||||
SX1278_hw_init(module->hw);
|
||||
module->frequency = frequency;
|
||||
module->power = power;
|
||||
module->LoRa_SF = LoRa_SF;
|
||||
module->LoRa_BW = LoRa_BW;
|
||||
module->LoRa_CR = LoRa_CR;
|
||||
module->LoRa_CRC_sum = LoRa_CRC_sum;
|
||||
module->packetLength = packetLength;
|
||||
SX1278_config(module);
|
||||
}
|
||||
|
||||
int SX1278_transmit(SX1278_t *module, uint8_t *txBuf, uint8_t length,
|
||||
uint32_t timeout) {
|
||||
if (SX1278_LoRaEntryTx(module, length, timeout)) {
|
||||
return SX1278_LoRaTxPacket(module, txBuf, length, timeout);
|
||||
}
|
||||
return 0;
|
||||
uint32_t timeout)
|
||||
{
|
||||
if (SX1278_LoRaEntryTx(module, length, timeout))
|
||||
{
|
||||
return SX1278_LoRaTxPacket(module, txBuf, length, timeout);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int SX1278_receive(SX1278_t *module, uint8_t length, uint32_t timeout) {
|
||||
return SX1278_LoRaEntryRx(module, length, timeout);
|
||||
int SX1278_receive(SX1278_t *module, uint8_t length, uint32_t timeout)
|
||||
{
|
||||
return SX1278_LoRaEntryRx(module, length, timeout);
|
||||
}
|
||||
|
||||
uint8_t SX1278_available(SX1278_t *module) {
|
||||
return SX1278_LoRaRxPacket(module);
|
||||
uint8_t SX1278_available(SX1278_t *module)
|
||||
{
|
||||
return SX1278_LoRaRxPacket(module);
|
||||
}
|
||||
|
||||
uint8_t SX1278_read(SX1278_t *module, uint8_t *rxBuf, uint8_t length) {
|
||||
if (length != module->readBytes)
|
||||
length = module->readBytes;
|
||||
memcpy(rxBuf, module->rxBuffer, length);
|
||||
rxBuf[length] = '\0';
|
||||
module->readBytes = 0;
|
||||
return length;
|
||||
uint8_t SX1278_read(SX1278_t *module, uint8_t *rxBuf, uint8_t length)
|
||||
{
|
||||
if (length != module->readBytes)
|
||||
length = module->readBytes;
|
||||
memcpy(rxBuf, module->rxBuffer, length);
|
||||
rxBuf[length] = '\0';
|
||||
module->readBytes = 0;
|
||||
return length;
|
||||
}
|
||||
|
||||
uint8_t SX1278_RSSI_LoRa(SX1278_t *module) {
|
||||
uint32_t temp = 10;
|
||||
temp = SX1278_SPIRead(module, LR_RegRssiValue); //Read RegRssiValue, Rssi value
|
||||
temp = temp + 127 - 137; //127:Max RSSI, 137:RSSI offset
|
||||
return (uint8_t) temp;
|
||||
uint8_t SX1278_RSSI_LoRa(SX1278_t *module)
|
||||
{
|
||||
uint32_t temp = 10;
|
||||
temp = SX1278_SPIRead(module, LR_RegRssiValue); // Read RegRssiValue, Rssi value
|
||||
temp = temp + 127 - 137; // 127:Max RSSI, 137:RSSI offset
|
||||
return (uint8_t)temp;
|
||||
}
|
||||
|
||||
uint8_t SX1278_RSSI(SX1278_t *module) {
|
||||
uint8_t temp = 0xff;
|
||||
temp = SX1278_SPIRead(module, RegRssiValue);
|
||||
temp = 127 - (temp >> 1); //127:Max RSSI
|
||||
return temp;
|
||||
uint8_t SX1278_RSSI(SX1278_t *module)
|
||||
{
|
||||
uint8_t temp = 0xff;
|
||||
temp = SX1278_SPIRead(module, RegRssiValue);
|
||||
temp = 127 - (temp >> 1); // 127:Max RSSI
|
||||
return temp;
|
||||
}
|
||||
|
||||
379
driver/SX1278.h
379
driver/SX1278.h
@ -14,216 +14,225 @@
|
||||
|
||||
#include "SX1278_hw.h"
|
||||
|
||||
#define SX1278_MAX_PACKET 256
|
||||
#define SX1278_DEFAULT_TIMEOUT 3000
|
||||
#define SX1278_MAX_PACKET 256
|
||||
#define SX1278_DEFAULT_TIMEOUT 3000
|
||||
|
||||
//RFM98 Internal registers Address
|
||||
// RFM98 Internal registers Address
|
||||
/********************LoRa mode***************************/
|
||||
#define LR_RegFifo 0x00
|
||||
#define LR_RegFifo 0x00
|
||||
// Common settings
|
||||
#define LR_RegOpMode 0x01
|
||||
#define LR_RegFrMsb 0x06
|
||||
#define LR_RegFrMid 0x07
|
||||
#define LR_RegFrLsb 0x08
|
||||
#define LR_RegOpMode 0x01
|
||||
#define LR_RegFrMsb 0x06
|
||||
#define LR_RegFrMid 0x07
|
||||
#define LR_RegFrLsb 0x08
|
||||
// Tx settings
|
||||
#define LR_RegPaConfig 0x09
|
||||
#define LR_RegPaRamp 0x0A
|
||||
#define LR_RegOcp 0x0B
|
||||
#define LR_RegPaConfig 0x09
|
||||
#define LR_RegPaRamp 0x0A
|
||||
#define LR_RegOcp 0x0B
|
||||
// Rx settings
|
||||
#define LR_RegLna 0x0C
|
||||
#define LR_RegLna 0x0C
|
||||
// LoRa registers
|
||||
#define LR_RegFifoAddrPtr 0x0D
|
||||
#define LR_RegFifoTxBaseAddr 0x0E
|
||||
#define LR_RegFifoRxBaseAddr 0x0F
|
||||
#define LR_RegFifoRxCurrentaddr 0x10
|
||||
#define LR_RegIrqFlagsMask 0x11
|
||||
#define LR_RegIrqFlags 0x12
|
||||
#define LR_RegRxNbBytes 0x13
|
||||
#define LR_RegRxHeaderCntValueMsb 0x14
|
||||
#define LR_RegRxHeaderCntValueLsb 0x15
|
||||
#define LR_RegRxPacketCntValueMsb 0x16
|
||||
#define LR_RegRxPacketCntValueLsb 0x17
|
||||
#define LR_RegModemStat 0x18
|
||||
#define LR_RegPktSnrValue 0x19
|
||||
#define LR_RegPktRssiValue 0x1A
|
||||
#define LR_RegRssiValue 0x1B
|
||||
#define LR_RegHopChannel 0x1C
|
||||
#define LR_RegModemConfig1 0x1D
|
||||
#define LR_RegModemConfig2 0x1E
|
||||
#define LR_RegSymbTimeoutLsb 0x1F
|
||||
#define LR_RegPreambleMsb 0x20
|
||||
#define LR_RegPreambleLsb 0x21
|
||||
#define LR_RegPayloadLength 0x22
|
||||
#define LR_RegMaxPayloadLength 0x23
|
||||
#define LR_RegHopPeriod 0x24
|
||||
#define LR_RegFifoRxByteAddr 0x25
|
||||
#define LR_RegModemConfig3 0x26
|
||||
#define LR_RegFifoAddrPtr 0x0D
|
||||
#define LR_RegFifoTxBaseAddr 0x0E
|
||||
#define LR_RegFifoRxBaseAddr 0x0F
|
||||
#define LR_RegFifoRxCurrentaddr 0x10
|
||||
#define LR_RegIrqFlagsMask 0x11
|
||||
#define LR_RegIrqFlags 0x12
|
||||
#define LR_RegRxNbBytes 0x13
|
||||
#define LR_RegRxHeaderCntValueMsb 0x14
|
||||
#define LR_RegRxHeaderCntValueLsb 0x15
|
||||
#define LR_RegRxPacketCntValueMsb 0x16
|
||||
#define LR_RegRxPacketCntValueLsb 0x17
|
||||
#define LR_RegModemStat 0x18
|
||||
#define LR_RegPktSnrValue 0x19
|
||||
#define LR_RegPktRssiValue 0x1A
|
||||
#define LR_RegRssiValue 0x1B
|
||||
#define LR_RegHopChannel 0x1C
|
||||
#define LR_RegModemConfig1 0x1D
|
||||
#define LR_RegModemConfig2 0x1E
|
||||
#define LR_RegSymbTimeoutLsb 0x1F
|
||||
#define LR_RegPreambleMsb 0x20
|
||||
#define LR_RegPreambleLsb 0x21
|
||||
#define LR_RegPayloadLength 0x22
|
||||
#define LR_RegMaxPayloadLength 0x23
|
||||
#define LR_RegHopPeriod 0x24
|
||||
#define LR_RegFifoRxByteAddr 0x25
|
||||
#define LR_RegModemConfig3 0x26
|
||||
// I/O settings
|
||||
#define REG_LR_DIOMAPPING1 0x40
|
||||
#define REG_LR_DIOMAPPING2 0x41
|
||||
#define REG_LR_DIOMAPPING1 0x40
|
||||
#define REG_LR_DIOMAPPING2 0x41
|
||||
// Version
|
||||
#define REG_LR_VERSION 0x42
|
||||
#define REG_LR_VERSION 0x42
|
||||
// Additional settings
|
||||
#define REG_LR_PLLHOP 0x44
|
||||
#define REG_LR_TCXO 0x4B
|
||||
#define REG_LR_PADAC 0x4D
|
||||
#define REG_LR_FORMERTEMP 0x5B
|
||||
#define REG_LR_AGCREF 0x61
|
||||
#define REG_LR_AGCTHRESH1 0x62
|
||||
#define REG_LR_AGCTHRESH2 0x63
|
||||
#define REG_LR_AGCTHRESH3 0x64
|
||||
#define REG_LR_PLLHOP 0x44
|
||||
#define REG_LR_TCXO 0x4B
|
||||
#define REG_LR_PADAC 0x4D
|
||||
#define REG_LR_FORMERTEMP 0x5B
|
||||
#define REG_LR_AGCREF 0x61
|
||||
#define REG_LR_AGCTHRESH1 0x62
|
||||
#define REG_LR_AGCTHRESH2 0x63
|
||||
#define REG_LR_AGCTHRESH3 0x64
|
||||
|
||||
/********************FSK/ook mode***************************/
|
||||
#define RegFIFO 0x00
|
||||
#define RegOpMode 0x01
|
||||
#define RegBitRateMsb 0x02
|
||||
#define RegBitRateLsb 0x03
|
||||
#define RegFdevMsb 0x04
|
||||
#define RegFdevLsb 0x05
|
||||
#define RegFreqMsb 0x06
|
||||
#define RegFreqMid 0x07
|
||||
#define RegFreqLsb 0x08
|
||||
#define RegPaConfig 0x09
|
||||
#define RegPaRamp 0x0a
|
||||
#define RegOcp 0x0b
|
||||
#define RegLna 0x0c
|
||||
#define RegRxConfig 0x0d
|
||||
#define RegRssiConfig 0x0e
|
||||
#define RegRssiCollision 0x0f
|
||||
#define RegRssiThresh 0x10
|
||||
#define RegRssiValue 0x11
|
||||
#define RegRxBw 0x12
|
||||
#define RegAfcBw 0x13
|
||||
#define RegOokPeak 0x14
|
||||
#define RegOokFix 0x15
|
||||
#define RegOokAvg 0x16
|
||||
#define RegAfcFei 0x1a
|
||||
#define RegAfcMsb 0x1b
|
||||
#define RegAfcLsb 0x1c
|
||||
#define RegFeiMsb 0x1d
|
||||
#define RegFeiLsb 0x1e
|
||||
#define RegPreambleDetect 0x1f
|
||||
#define RegRxTimeout1 0x20
|
||||
#define RegRxTimeout2 0x21
|
||||
#define RegRxTimeout3 0x22
|
||||
#define RegRxDelay 0x23
|
||||
#define RegOsc 0x24
|
||||
#define RegPreambleMsb 0x25
|
||||
#define RegPreambleLsb 0x26
|
||||
#define RegSyncConfig 0x27
|
||||
#define RegSyncValue1 0x28
|
||||
#define RegSyncValue2 0x29
|
||||
#define RegSyncValue3 0x2a
|
||||
#define RegSyncValue4 0x2b
|
||||
#define RegSyncValue5 0x2c
|
||||
#define RegSyncValue6 0x2d
|
||||
#define RegSyncValue7 0x2e
|
||||
#define RegSyncValue8 0x2f
|
||||
#define RegPacketConfig1 0x30
|
||||
#define RegPacketConfig2 0x31
|
||||
#define RegPayloadLength 0x32
|
||||
#define RegNodeAdrs 0x33
|
||||
#define RegBroadcastAdrs 0x34
|
||||
#define RegFifoThresh 0x35
|
||||
#define RegSeqConfig1 0x36
|
||||
#define RegSeqConfig2 0x37
|
||||
#define RegTimerResol 0x38
|
||||
#define RegTimer1Coef 0x39
|
||||
#define RegSyncWord 0x39
|
||||
#define RegTimer2Coef 0x3a
|
||||
#define RegImageCal 0x3b
|
||||
#define RegTemp 0x3c
|
||||
#define RegLowBat 0x3d
|
||||
#define RegIrqFlags1 0x3e
|
||||
#define RegIrqFlags2 0x3f
|
||||
#define RegDioMapping1 0x40
|
||||
#define RegDioMapping2 0x41
|
||||
#define RegVersion 0x42
|
||||
#define RegPllHop 0x44
|
||||
#define RegPaDac 0x4d
|
||||
#define RegBitRateFrac 0x5d
|
||||
#define RegFIFO 0x00
|
||||
#define RegOpMode 0x01
|
||||
#define RegBitRateMsb 0x02
|
||||
#define RegBitRateLsb 0x03
|
||||
#define RegFdevMsb 0x04
|
||||
#define RegFdevLsb 0x05
|
||||
#define RegFreqMsb 0x06
|
||||
#define RegFreqMid 0x07
|
||||
#define RegFreqLsb 0x08
|
||||
#define RegPaConfig 0x09
|
||||
#define RegPaRamp 0x0a
|
||||
#define RegOcp 0x0b
|
||||
#define RegLna 0x0c
|
||||
#define RegRxConfig 0x0d
|
||||
#define RegRssiConfig 0x0e
|
||||
#define RegRssiCollision 0x0f
|
||||
#define RegRssiThresh 0x10
|
||||
#define RegRssiValue 0x11
|
||||
#define RegRxBw 0x12
|
||||
#define RegAfcBw 0x13
|
||||
#define RegOokPeak 0x14
|
||||
#define RegOokFix 0x15
|
||||
#define RegOokAvg 0x16
|
||||
#define RegAfcFei 0x1a
|
||||
#define RegAfcMsb 0x1b
|
||||
#define RegAfcLsb 0x1c
|
||||
#define RegFeiMsb 0x1d
|
||||
#define RegFeiLsb 0x1e
|
||||
#define RegPreambleDetect 0x1f
|
||||
#define RegRxTimeout1 0x20
|
||||
#define RegRxTimeout2 0x21
|
||||
#define RegRxTimeout3 0x22
|
||||
#define RegRxDelay 0x23
|
||||
#define RegOsc 0x24
|
||||
#define RegPreambleMsb 0x25
|
||||
#define RegPreambleLsb 0x26
|
||||
#define RegSyncConfig 0x27
|
||||
#define RegSyncValue1 0x28
|
||||
#define RegSyncValue2 0x29
|
||||
#define RegSyncValue3 0x2a
|
||||
#define RegSyncValue4 0x2b
|
||||
#define RegSyncValue5 0x2c
|
||||
#define RegSyncValue6 0x2d
|
||||
#define RegSyncValue7 0x2e
|
||||
#define RegSyncValue8 0x2f
|
||||
#define RegPacketConfig1 0x30
|
||||
#define RegPacketConfig2 0x31
|
||||
#define RegPayloadLength 0x32
|
||||
#define RegNodeAdrs 0x33
|
||||
#define RegBroadcastAdrs 0x34
|
||||
#define RegFifoThresh 0x35
|
||||
#define RegSeqConfig1 0x36
|
||||
#define RegSeqConfig2 0x37
|
||||
#define RegTimerResol 0x38
|
||||
#define RegTimer1Coef 0x39
|
||||
#define RegSyncWord 0x39
|
||||
#define RegTimer2Coef 0x3a
|
||||
#define RegImageCal 0x3b
|
||||
#define RegTemp 0x3c
|
||||
#define RegLowBat 0x3d
|
||||
#define RegIrqFlags1 0x3e
|
||||
#define RegIrqFlags2 0x3f
|
||||
#define RegDioMapping1 0x40
|
||||
#define RegDioMapping2 0x41
|
||||
#define RegVersion 0x42
|
||||
#define RegPllHop 0x44
|
||||
#define RegPaDac 0x4d
|
||||
#define RegBitRateFrac 0x5d
|
||||
|
||||
/**********************************************************
|
||||
**Parameter table define
|
||||
**********************************************************/
|
||||
|
||||
#define SX1278_POWER_20DBM 0
|
||||
#define SX1278_POWER_17DBM 1
|
||||
#define SX1278_POWER_14DBM 2
|
||||
#define SX1278_POWER_11DBM 3
|
||||
#define SX1278_POWER_20DBM 0
|
||||
#define SX1278_POWER_17DBM 1
|
||||
#define SX1278_POWER_14DBM 2
|
||||
#define SX1278_POWER_11DBM 3
|
||||
|
||||
static const uint8_t SX1278_Power[4] = { 0xFF, //20dbm
|
||||
0xFC, //17dbm
|
||||
0xF9, //14dbm
|
||||
0xF6, //11dbm
|
||||
};
|
||||
static const uint8_t SX1278_Power[4] = {
|
||||
0xFF, // 20dbm
|
||||
0xFC, // 17dbm
|
||||
0xF9, // 14dbm
|
||||
0xF6, // 11dbm
|
||||
};
|
||||
|
||||
#define SX1278_LORA_SF_6 0
|
||||
#define SX1278_LORA_SF_7 1
|
||||
#define SX1278_LORA_SF_8 2
|
||||
#define SX1278_LORA_SF_9 3
|
||||
#define SX1278_LORA_SF_10 4
|
||||
#define SX1278_LORA_SF_11 5
|
||||
#define SX1278_LORA_SF_12 6
|
||||
#define SX1278_LORA_SF_6 0
|
||||
#define SX1278_LORA_SF_7 1
|
||||
#define SX1278_LORA_SF_8 2
|
||||
#define SX1278_LORA_SF_9 3
|
||||
#define SX1278_LORA_SF_10 4
|
||||
#define SX1278_LORA_SF_11 5
|
||||
#define SX1278_LORA_SF_12 6
|
||||
|
||||
static const uint8_t SX1278_SpreadFactor[7] = { 6, 7, 8, 9, 10, 11, 12 };
|
||||
static const uint8_t SX1278_SpreadFactor[7] = {6, 7, 8, 9, 10, 11, 12};
|
||||
|
||||
#define SX1278_LORA_BW_7_8KHZ 0
|
||||
#define SX1278_LORA_BW_10_4KHZ 1
|
||||
#define SX1278_LORA_BW_15_6KHZ 2
|
||||
#define SX1278_LORA_BW_20_8KHZ 3
|
||||
#define SX1278_LORA_BW_31_2KHZ 4
|
||||
#define SX1278_LORA_BW_41_7KHZ 5
|
||||
#define SX1278_LORA_BW_62_5KHZ 6
|
||||
#define SX1278_LORA_BW_125KHZ 7
|
||||
#define SX1278_LORA_BW_250KHZ 8
|
||||
#define SX1278_LORA_BW_500KHZ 9
|
||||
#define SX1278_LORA_BW_7_8KHZ 0
|
||||
#define SX1278_LORA_BW_10_4KHZ 1
|
||||
#define SX1278_LORA_BW_15_6KHZ 2
|
||||
#define SX1278_LORA_BW_20_8KHZ 3
|
||||
#define SX1278_LORA_BW_31_2KHZ 4
|
||||
#define SX1278_LORA_BW_41_7KHZ 5
|
||||
#define SX1278_LORA_BW_62_5KHZ 6
|
||||
#define SX1278_LORA_BW_125KHZ 7
|
||||
#define SX1278_LORA_BW_250KHZ 8
|
||||
#define SX1278_LORA_BW_500KHZ 9
|
||||
|
||||
static const uint8_t SX1278_LoRaBandwidth[10] = { 0, // 7.8KHz,
|
||||
1, // 10.4KHz,
|
||||
2, // 15.6KHz,
|
||||
3, // 20.8KHz,
|
||||
4, // 31.2KHz,
|
||||
5, // 41.7KHz,
|
||||
6, // 62.5KHz,
|
||||
7, // 125.0KHz,
|
||||
8, // 250.0KHz,
|
||||
9 // 500.0KHz
|
||||
};
|
||||
static const uint8_t SX1278_LoRaBandwidth[10] = {
|
||||
0, // 7.8KHz,
|
||||
1, // 10.4KHz,
|
||||
2, // 15.6KHz,
|
||||
3, // 20.8KHz,
|
||||
4, // 31.2KHz,
|
||||
5, // 41.7KHz,
|
||||
6, // 62.5KHz,
|
||||
7, // 125.0KHz,
|
||||
8, // 250.0KHz,
|
||||
9 // 500.0KHz
|
||||
};
|
||||
|
||||
//Coding rate
|
||||
#define SX1278_LORA_CR_4_5 0
|
||||
#define SX1278_LORA_CR_4_6 1
|
||||
#define SX1278_LORA_CR_4_7 2
|
||||
#define SX1278_LORA_CR_4_8 3
|
||||
// Coding rate
|
||||
#define SX1278_LORA_CR_4_5 0
|
||||
#define SX1278_LORA_CR_4_6 1
|
||||
#define SX1278_LORA_CR_4_7 2
|
||||
#define SX1278_LORA_CR_4_8 3
|
||||
|
||||
static const uint8_t SX1278_CodingRate[4] = { 0x01, 0x02, 0x03, 0x04 };
|
||||
static const uint8_t SX1278_CodingRate[4] = {0x01, 0x02, 0x03, 0x04};
|
||||
|
||||
//CRC Enable
|
||||
#define SX1278_LORA_CRC_EN 0
|
||||
#define SX1278_LORA_CRC_DIS 1
|
||||
// CRC Enable
|
||||
#define SX1278_LORA_CRC_EN 0
|
||||
#define SX1278_LORA_CRC_DIS 1
|
||||
|
||||
static const uint8_t SX1278_CRC_Sum[2] = { 0x01, 0x00 };
|
||||
static const uint8_t SX1278_CRC_Sum[2] = {0x01, 0x00};
|
||||
|
||||
typedef enum _SX1278_STATUS {
|
||||
SLEEP, STANDBY, TX, RX
|
||||
typedef enum _SX1278_STATUS
|
||||
{
|
||||
SLEEP,
|
||||
STANDBY,
|
||||
TX,
|
||||
RX
|
||||
} SX1278_Status_t;
|
||||
|
||||
typedef struct {
|
||||
SX1278_hw_t *hw;
|
||||
#define RECEIVE_PACKET_LENGTH 1
|
||||
|
||||
uint64_t frequency;
|
||||
uint8_t power;
|
||||
uint8_t LoRa_SF;
|
||||
uint8_t LoRa_BW;
|
||||
uint8_t LoRa_CR;
|
||||
uint8_t LoRa_CRC_sum;
|
||||
uint8_t packetLength;
|
||||
typedef struct
|
||||
{
|
||||
SX1278_hw_t *hw;
|
||||
|
||||
SX1278_Status_t status;
|
||||
uint64_t frequency;
|
||||
uint8_t power;
|
||||
uint8_t LoRa_SF;
|
||||
uint8_t LoRa_BW;
|
||||
uint8_t LoRa_CR;
|
||||
uint8_t LoRa_CRC_sum;
|
||||
uint8_t packetLength;
|
||||
|
||||
uint8_t rxBuffer[SX1278_MAX_PACKET];
|
||||
uint8_t readBytes;
|
||||
SX1278_Status_t status;
|
||||
|
||||
uint8_t rxBuffer[SX1278_MAX_PACKET];
|
||||
uint8_t readBytes;
|
||||
} SX1278_t;
|
||||
|
||||
/**
|
||||
@ -260,7 +269,7 @@ void SX1278_SPIWrite(SX1278_t *module, uint8_t addr, uint8_t cmd);
|
||||
* \param[in] length Number of bytes to read
|
||||
*/
|
||||
void SX1278_SPIBurstRead(SX1278_t *module, uint8_t addr, uint8_t *rxBuf,
|
||||
uint8_t length);
|
||||
uint8_t length);
|
||||
|
||||
/**
|
||||
* \brief Write data to LoRa module
|
||||
@ -273,7 +282,7 @@ void SX1278_SPIBurstRead(SX1278_t *module, uint8_t addr, uint8_t *rxBuf,
|
||||
* \param[in] length Number of bytes to write
|
||||
*/
|
||||
void SX1278_SPIBurstWrite(SX1278_t *module, uint8_t addr, uint8_t *txBuf,
|
||||
uint8_t length);
|
||||
uint8_t length);
|
||||
|
||||
/**
|
||||
* \brief Configure LoRa module
|
||||
@ -359,7 +368,7 @@ int SX1278_LoRaEntryTx(SX1278_t *module, uint8_t length, uint32_t timeout);
|
||||
* 0 if timeout was exceeded
|
||||
*/
|
||||
int SX1278_LoRaTxPacket(SX1278_t *module, uint8_t *txBuf, uint8_t length,
|
||||
uint32_t timeout);
|
||||
uint32_t timeout);
|
||||
|
||||
/**
|
||||
* \brief Initialize LoRa module
|
||||
@ -377,8 +386,8 @@ int SX1278_LoRaTxPacket(SX1278_t *module, uint8_t *txBuf, uint8_t length,
|
||||
* \param[in] packetLength Package length, no more than 256 bytes
|
||||
*/
|
||||
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_CRC_sum, uint8_t packetLength);
|
||||
uint8_t LoRa_SF, uint8_t LoRa_BW, uint8_t LoRa_CR,
|
||||
uint8_t LoRa_CRC_sum, uint8_t packetLength);
|
||||
|
||||
/**
|
||||
* \brief Entry transmitter mode and send data
|
||||
@ -395,7 +404,7 @@ void SX1278_init(SX1278_t *module, uint64_t frequency, uint8_t power,
|
||||
* 0 if timeout was exceeded
|
||||
*/
|
||||
int SX1278_transmit(SX1278_t *module, uint8_t *txBuf, uint8_t length,
|
||||
uint32_t timeout);
|
||||
uint32_t timeout);
|
||||
|
||||
/**
|
||||
* \brief Entry reception mode
|
||||
|
||||
@ -8,53 +8,61 @@
|
||||
#include "SX1278_hw.h"
|
||||
#include <string.h>
|
||||
|
||||
#include "gpio.h"
|
||||
#include "spi.h"
|
||||
#include "systick.h"
|
||||
#include "softspi.h"
|
||||
|
||||
__weak void SX1278_hw_init(SX1278_hw_t *hw) {
|
||||
SX1278_hw_SetNSS(hw, 1);
|
||||
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_SET);
|
||||
#define SetSS SoftSPI_SetSS(sx1278_spix)
|
||||
#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);
|
||||
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_SET);
|
||||
}
|
||||
|
||||
__weak void SX1278_hw_SetNSS(SX1278_hw_t *hw, int value) {
|
||||
HAL_GPIO_WritePin(hw->nss.port, hw->nss.pin,
|
||||
(value == 1) ? GPIO_PIN_SET : GPIO_PIN_RESET);
|
||||
void SX1278_hw_SetNSS(SX1278_hw_t *hw, int value)
|
||||
{
|
||||
(value == 1) ? SetSS : ClrSS;
|
||||
}
|
||||
|
||||
__weak void SX1278_hw_Reset(SX1278_hw_t *hw) {
|
||||
SX1278_hw_SetNSS(hw, 1);
|
||||
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_RESET);
|
||||
void SX1278_hw_Reset(SX1278_hw_t *hw)
|
||||
{
|
||||
SX1278_hw_SetNSS(hw, 1);
|
||||
HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_RESET);
|
||||
|
||||
SX1278_hw_DelayMs(1);
|
||||
SX1278_hw_DelayMs(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);
|
||||
|
||||
SX1278_hw_DelayMs(100);
|
||||
SX1278_hw_DelayMs(100);
|
||||
}
|
||||
|
||||
__weak void SX1278_hw_SPICommand(SX1278_hw_t *hw, uint8_t cmd) {
|
||||
SX1278_hw_SetNSS(hw, 0);
|
||||
HAL_SPI_Transmit(hw->spi, &cmd, 1, 1000);
|
||||
while (HAL_SPI_GetState(hw->spi) != HAL_SPI_STATE_READY)
|
||||
;
|
||||
void SX1278_hw_SPICommand(SX1278_hw_t *hw, uint8_t cmd)
|
||||
{
|
||||
SX1278_hw_SetNSS(hw, 0);
|
||||
SPI_WriteRead(cmd);
|
||||
}
|
||||
|
||||
__weak uint8_t SX1278_hw_SPIReadByte(SX1278_hw_t *hw) {
|
||||
uint8_t txByte = 0x00;
|
||||
uint8_t rxByte = 0x00;
|
||||
uint8_t SX1278_hw_SPIReadByte(SX1278_hw_t *hw)
|
||||
{
|
||||
uint8_t txByte = 0x00;
|
||||
uint8_t rxByte = 0x00;
|
||||
|
||||
SX1278_hw_SetNSS(hw, 0);
|
||||
HAL_SPI_TransmitReceive(hw->spi, &txByte, &rxByte, 1, 1000);
|
||||
while (HAL_SPI_GetState(hw->spi) != HAL_SPI_STATE_READY)
|
||||
;
|
||||
return rxByte;
|
||||
SX1278_hw_SetNSS(hw, 0);
|
||||
rxByte = SPI_WriteRead(txByte);
|
||||
|
||||
return rxByte;
|
||||
}
|
||||
|
||||
__weak void SX1278_hw_DelayMs(uint32_t msec) {
|
||||
HAL_Delay(msec);
|
||||
}
|
||||
|
||||
__weak int SX1278_hw_GetDIO0(SX1278_hw_t *hw) {
|
||||
return (HAL_GPIO_ReadPin(hw->dio0.port, hw->dio0.pin) == GPIO_PIN_SET);
|
||||
void SX1278_hw_DelayMs(uint32_t msec)
|
||||
{
|
||||
Delay_ms(msec);
|
||||
}
|
||||
|
||||
// int SX1278_hw_GetDIO0(SX1278_hw_t *hw)
|
||||
// {
|
||||
// return (HAL_GPIO_ReadPin(hw->dio0.port, hw->dio0.pin) == GPIO_PIN_SET);
|
||||
// }
|
||||
|
||||
@ -9,17 +9,20 @@
|
||||
#define __SX1278_HW_HEADER
|
||||
|
||||
#include <stdint.h>
|
||||
#include "softspi.h"
|
||||
|
||||
typedef struct {
|
||||
int pin;
|
||||
void *port;
|
||||
typedef struct
|
||||
{
|
||||
int pin;
|
||||
void *port;
|
||||
} SX1278_hw_dio_t;
|
||||
|
||||
typedef struct {
|
||||
SX1278_hw_dio_t reset;
|
||||
SX1278_hw_dio_t dio0;
|
||||
SX1278_hw_dio_t nss;
|
||||
void *spi;
|
||||
typedef struct
|
||||
{
|
||||
SX1278_hw_dio_t reset;
|
||||
SX1278_hw_dio_t dio0;
|
||||
SX1278_hw_dio_t nss;
|
||||
SoftSPI_TypeDef *spi;
|
||||
} SX1278_hw_t;
|
||||
|
||||
/**
|
||||
@ -89,7 +92,6 @@ void SX1278_hw_DelayMs(uint32_t msec);
|
||||
*
|
||||
* \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
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user