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 04:10:44 +03:00 committed by GitHub
parent 4d18257ab9
commit b9f1f23165
1 changed files with 13 additions and 58 deletions
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71
Multiprotocol/CYRF6936_SPI.ino
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@ -20,57 +20,12 @@
#define XNOP() #define XNOP()
#endif #endif
static void cyrf_spi_write(uint8_t command)
{
uint8_t n=8;
SCK_off;//SCK start low
XNOP() ;
SDI_off;
XNOP() ;
while(n--) {
if(command&0x80)
SDI_on;
else
SDI_off;
XNOP() ;
SCK_on;
NOP();
XNOP() ;
XNOP() ;
SCK_off;
command = command << 1;
XNOP() ;
}
SDI_on;
}
static uint8_t cyrf_spi_read()
{
uint8_t result;
uint8_t i;
result=0;
for(i=0;i<8;i++)
{
result<<=1;
if(SDO_1) ///
result|=0x01;
SCK_on;
XNOP() ;
XNOP() ;
NOP();
SCK_off;
XNOP() ;
XNOP() ;
NOP();
}
return result;
}
void CYRF_WriteRegister(uint8_t address, uint8_t data) void CYRF_WriteRegister(uint8_t address, uint8_t data)
{ {
CYRF_CSN_off; CYRF_CSN_off;
cyrf_spi_write(0x80 | address); spi_write(0x80 | address);
cyrf_spi_write(data); spi_write(data);
CYRF_CSN_on; CYRF_CSN_on;
} }
@ -79,9 +34,9 @@ static void CYRF_WriteRegisterMulti(uint8_t address, const uint8_t data[], uint8
uint8_t i; uint8_t i;
CYRF_CSN_off; CYRF_CSN_off;
cyrf_spi_write(0x80 | address); spi_write(0x80 | address);
for(i = 0; i < length; i++) for(i = 0; i < length; i++)
cyrf_spi_write(data[i]); spi_write(data[i]);
CYRF_CSN_on; CYRF_CSN_on;
} }
@ -90,9 +45,9 @@ static void CYRF_ReadRegisterMulti(uint8_t address, uint8_t data[], uint8_t leng
uint8_t i; uint8_t i;
CYRF_CSN_off; CYRF_CSN_off;
cyrf_spi_write(address); spi_write(address);
for(i = 0; i < length; i++) for(i = 0; i < length; i++)
data[i] = cyrf_spi_read(); data[i] = spi_read();
CYRF_CSN_on; CYRF_CSN_on;
} }
@ -100,8 +55,8 @@ uint8_t CYRF_ReadRegister(uint8_t address)
{ {
uint8_t data; uint8_t data;
CYRF_CSN_off; CYRF_CSN_off;
cyrf_spi_write(address); spi_write(address);
data = cyrf_spi_read(); data = spi_read();
CYRF_CSN_on; CYRF_CSN_on;
return data; return data;
} }
@ -211,10 +166,10 @@ void CYRF_ConfigDataCode(const uint8_t *datacodes, uint8_t len)
void CYRF_WritePreamble(uint32_t preamble) void CYRF_WritePreamble(uint32_t preamble)
{ {
CYRF_CSN_off; CYRF_CSN_off;
cyrf_spi_write(0x80 | 0x24); spi_write(0x80 | 0x24);
cyrf_spi_write(preamble & 0xff); spi_write(preamble & 0xff);
cyrf_spi_write((preamble >> 8) & 0xff); spi_write((preamble >> 8) & 0xff);
cyrf_spi_write((preamble >> 16) & 0xff); spi_write((preamble >> 16) & 0xff);
CYRF_CSN_on; CYRF_CSN_on;
} }
/* /*