universal_drivers/si5351_driver
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This commit is contained in:
Christian L. V. Madsen
2024-08-17 21:29:14 +02:00
parent 582d4267d2
commit 3fadc283db
2 changed files with 200 additions and 60 deletions
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48
si5351_driver.c
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@@ -12,11 +12,55 @@ enum{
};
static int readRegister(si5351_driver *inst,uint8_t data_addr, uint8_t *data, uint32_t len){
// Write what kind of addr we would like to read from:
inst->i2c_transfer_evt(inst->i2c_transfer_inst,&data_addr,1, SI5351_I2C_SET);
// Read data:
inst->i2c_transfer_evt(inst->i2c_transfer_inst,data,len, SI5351_I2C_GET);
return 0;
}
static int writeRegister(si5351_driver *inst,uint8_t data_addr, uint8_t *data, uint32_t len){
// Write what kind of addr we would like to read from:
inst->i2c_transfer_evt(inst->i2c_transfer_inst,&data_addr,1, SI5351_I2C_SET);
// Write data:
inst->i2c_transfer_evt(inst->i2c_transfer_inst,data,len, SI5351_I2C_SET);
return 0;
}
int cm_setInputSource(si5351_driver *inst, si5351_ClkSource clk_source){
switch(clk_source){
case SI5351_CLK_SOURCE_XTAL:
inst->device_data.pllInputSource.PLLA_SRC = 1;
break;
case SI5351_CLK_SOURCE_CLOCKSOURCE:
inst->device_data.pllInputSource.PLLA_SRC = 0;
break;
default:
break;
}
// Write to register:
writeRegister(inst,SI5351_REG_PLL_INPUT_SOURCE, (uint8_t*) &inst->device_data.pllInputSource, sizeof(si5351_PLLInputSource_t));
return 0;
}
uint8_t cm_si5351_getRevisionNumber(si5351_driver *inst){
// Read Device Status register:
inst->i2c_transfer_evt(inst->i2c_transfer_inst,(uint8_t*) &(inst->device_data.deviceStatus),sizeof(inst->device_data.deviceStatus), SI5351_I2C_GET);
readRegister(inst,0x00, (uint8_t *) &inst->device_data.deviceStatus, sizeof(si5351_deviceStat_t));
return inst->device_data.deviceStatus.REVID;
}