gomaomao/DIY-Multiprotocol-TX-Module
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Mod for common spi routines for all protocols

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midelic 2016-07-28 04:06:40 +03:00 committed by GitHub
parent 5f15211e0b
commit 4d18257ab9
1 changed files with 13 additions and 53 deletions
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66
Multiprotocol/NRF24l01_SPI.ino
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@ -19,46 +19,6 @@
//---------------------------
#include "iface_nrf24l01.h"
static void nrf_spi_write(uint8_t command)
{
uint8_t n=8;
SCK_off;//SCK start low
SDI_off;
while(n--) {
if(command&0x80)
SDI_on;
else
SDI_off;
SCK_on;
NOP();
SCK_off;
command = command << 1;
}
SDI_on;
}
//VARIANT 2
static uint8_t nrf_spi_read(void)
{
uint8_t result;
uint8_t i;
result=0;
for(i=0;i<8;i++) {
result<<=1;
if(SDO_1) ///
result|=0x01;
SCK_on;
NOP();
SCK_off;
NOP();
}
return result;
}
//--------------------------------------------
//---------------------------
// NRF24L01+ SPI Specific Functions
//---------------------------
@ -73,8 +33,8 @@ void NRF24L01_Initialize()
void NRF24L01_WriteReg(uint8_t reg, uint8_t data)
{
NRF_CSN_off;
nrf_spi_write(W_REGISTER | (REGISTER_MASK & reg));
nrf_spi_write(data);
spi_write(W_REGISTER | (REGISTER_MASK & reg));
spi_write(data);
NRF_CSN_on;
}
@ -82,26 +42,26 @@ void NRF24L01_WriteRegisterMulti(uint8_t reg, uint8_t * data, uint8_t length)
{
NRF_CSN_off;
nrf_spi_write(W_REGISTER | ( REGISTER_MASK & reg));
spi_write(W_REGISTER | ( REGISTER_MASK & reg));
for (uint8_t i = 0; i < length; i++)
nrf_spi_write(data[i]);
spi_write(data[i]);
NRF_CSN_on;
}
void NRF24L01_WritePayload(uint8_t * data, uint8_t length)
{
NRF_CSN_off;
nrf_spi_write(W_TX_PAYLOAD);
spi_write(W_TX_PAYLOAD);
for (uint8_t i = 0; i < length; i++)
nrf_spi_write(data[i]);
spi_write(data[i]);
NRF_CSN_on;
}
uint8_t NRF24L01_ReadReg(uint8_t reg)
{
NRF_CSN_off;
nrf_spi_write(R_REGISTER | (REGISTER_MASK & reg));
uint8_t data = nrf_spi_read();
spi_write(R_REGISTER | (REGISTER_MASK & reg));
uint8_t data = spi_read();
NRF_CSN_on;
return data;
}
@ -118,16 +78,16 @@ uint8_t NRF24L01_ReadReg(uint8_t reg)
static void NRF24L01_ReadPayload(uint8_t * data, uint8_t length)
{
NRF_CSN_off;
nrf_spi_write(R_RX_PAYLOAD);
spi_write(R_RX_PAYLOAD);
for(uint8_t i = 0; i < length; i++)
data[i] = nrf_spi_read();
data[i] = spi_read();
NRF_CSN_on;
}
static void NRF24L01_Strobe(uint8_t state)
{
NRF_CSN_off;
nrf_spi_write(state);
spi_write(state);
NRF_CSN_on;
}
@ -144,8 +104,8 @@ void NRF24L01_FlushRx()
void NRF24L01_Activate(uint8_t code)
{
NRF_CSN_off;
nrf_spi_write(ACTIVATE);
nrf_spi_write(code);
spi_write(ACTIVATE);
spi_write(code);
NRF_CSN_on;
}