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 04:01:55 +03:00 committed by GitHub
parent 4822851993
commit 5f15211e0b
1 changed files with 9 additions and 48 deletions
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57
Multiprotocol/CC2500_SPI.ino
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@ -28,9 +28,9 @@ void CC2500_ReadData(uint8_t *dpbuffer, uint8_t len)
static void CC2500_ReadRegisterMulti(uint8_t address, uint8_t data[], uint8_t length) static void CC2500_ReadRegisterMulti(uint8_t address, uint8_t data[], uint8_t length)
{ {
CC25_CSN_off; CC25_CSN_off;
CC2500_SPI_Write(address); spi_write(address);
for(uint8_t i = 0; i < length; i++) for(uint8_t i = 0; i < length; i++)
data[i] = CC2500_SPI_Read(); data[i] = spi_read();
CC25_CSN_on; CC25_CSN_on;
} }
@ -39,9 +39,9 @@ static void CC2500_ReadRegisterMulti(uint8_t address, uint8_t data[], uint8_t le
static void CC2500_WriteRegisterMulti(uint8_t address, const uint8_t data[], uint8_t length) static void CC2500_WriteRegisterMulti(uint8_t address, const uint8_t data[], uint8_t length)
{ {
CC25_CSN_off; CC25_CSN_off;
CC2500_SPI_Write(CC2500_WRITE_BURST | address); spi_write(CC2500_WRITE_BURST | address);
for(uint8_t i = 0; i < length; i++) for(uint8_t i = 0; i < length; i++)
CC2500_SPI_Write(data[i]); spi_write(data[i]);
CC25_CSN_on; CC25_CSN_on;
} }
@ -52,62 +52,23 @@ void CC2500_WriteData(uint8_t *dpbuffer, uint8_t len)
CC2500_Strobe(CC2500_STX);//0x35 CC2500_Strobe(CC2500_STX);//0x35
} }
//--------------------------------------
static void CC2500_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;
}
//---------------------------- //----------------------------
void CC2500_WriteReg(uint8_t address, uint8_t data) {//same as 7105 void CC2500_WriteReg(uint8_t address, uint8_t data) {//same as 7105
CC25_CSN_off; CC25_CSN_off;
CC2500_SPI_Write(address); spi_write(address);
NOP(); NOP();
CC2500_SPI_Write(data); spi_write(data);
CC25_CSN_on; CC25_CSN_on;
} }
static uint8_t CC2500_SPI_Read(void)
{
uint8_t result;
uint8_t i;
result=0;
for(i=0;i<8;i++)
{
if(SDO_1) ///
result=(result<<1)|0x01;
else
result=result<<1;
SCK_on;
NOP();
SCK_off;
NOP();
}
return result;
}
//-------------------------------------------- //--------------------------------------------
static uint8_t CC2500_ReadReg(uint8_t address) static uint8_t CC2500_ReadReg(uint8_t address)
{ {
uint8_t result; uint8_t result;
CC25_CSN_off; CC25_CSN_off;
address |=0x80; //bit 7 =1 for reading address |=0x80; //bit 7 =1 for reading
CC2500_SPI_Write(address); spi_write(address);
result = CC2500_SPI_Read(); result = spi_read();
CC25_CSN_on; CC25_CSN_on;
return(result); return(result);
} }
@ -115,7 +76,7 @@ static uint8_t CC2500_ReadReg(uint8_t address)
void CC2500_Strobe(uint8_t address) void CC2500_Strobe(uint8_t address)
{ {
CC25_CSN_off; CC25_CSN_off;
CC2500_SPI_Write(address); spi_write(address);
CC25_CSN_on; CC25_CSN_on;
} }
//------------------------ //------------------------