some pll changes and added PLLB, also added a raw pll function..
This commit is contained in:
Christian L. V. Madsen
258
si5351_driver.c
258
si5351_driver.c
@@ -2,9 +2,12 @@
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* si5351_driver.c
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*
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* Created on: 16. aug. 2024
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* Author: Christian Lind Vie Madsen - OZ1CM
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*/
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#include "include/si5351_driver.h"
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* Author: Christian L. V. Madsen (OZ1CM)
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*/
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#include "include/si5351_driver.h"
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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enum{
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SI5351_I2C_GET = 0,
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@@ -20,17 +23,88 @@ static int readRegister(si5351_driver *inst,uint8_t data_addr, uint8_t *data, ui
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// Read data:
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inst->i2c_transfer_evt(inst->i2c_transfer_inst,data,len, SI5351_I2C_GET);
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//HAL_Delay(1);
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return 0;
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}
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static int writeRegister(si5351_driver *inst,uint8_t data_addr, uint8_t *data, uint32_t len){
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// Write what kind of addr we would like to read from:
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inst->i2c_transfer_evt(inst->i2c_transfer_inst,&data_addr,1, SI5351_I2C_SET);
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uint8_t *data_ptr = malloc(len+1);
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*data_ptr = data_addr;
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// Copy data
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memcpy(&data_ptr[1],data,len);
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// Write data:
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inst->i2c_transfer_evt(inst->i2c_transfer_inst,data,len, SI5351_I2C_SET);
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inst->i2c_transfer_evt(inst->i2c_transfer_inst,data_ptr,len+1, SI5351_I2C_SET);
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free(data_ptr);
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/* uint8_t txBuf[512] = {data_addr};
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uint8_t *txBuf_ptr = &txBuf[1];
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// add register addr to data:
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memcpy(txBuf_ptr,data,len);
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// Write data:
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inst->i2c_transfer_evt(inst->i2c_transfer_inst,txBuf,len+1, SI5351_I2C_SET);
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//HAL_Delay(1);*/
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return 0;
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}
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int cm_setPllParamRaw(si5351_driver *inst, si5351_PLLs sel_pll, uint32_t MSNx_P1, uint32_t MSNx_P2, uint32_t MSNx_P3){
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switch(sel_pll){
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case SI5351_PLL_A:
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inst->device_data.multiSynthNAParam.MSNx_P1_17_16 = (MSNx_P1 >> 16) & 0x2;
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inst->device_data.multiSynthNAParam.MSNx_P1_15_8 = (MSNx_P1 >> 8) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P1_7_0 = MSNx_P1 & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P2_19_16 = ((MSNx_P2 & 0x000F0000) >> 16);
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inst->device_data.multiSynthNAParam.MSNx_P2_15_8 = (MSNx_P2 >> 8) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P2_7_0 = MSNx_P2 & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P3_19_16 = ((MSNx_P3 & 0x000F0000) >> 12);
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inst->device_data.multiSynthNAParam.MSNx_P3_15_8 = (MSNx_P3 >> 8) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P3_7_0 = MSNx_P3 & 0xff;
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writeRegister(inst,SI5351_REG_MULTISYNTH_NA_0, (uint8_t*) &inst->device_data.multiSynthNAParam, sizeof(si5351_multiSynthNxParameters_t));
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break;
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case SI5351_PLL_B:
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inst->device_data.multiSynthNBParam.MSNx_P1_17_16 = (MSNx_P1 >> 16) & 0x2;
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inst->device_data.multiSynthNBParam.MSNx_P1_15_8 = (MSNx_P1 >> 8) & 0xff;
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inst->device_data.multiSynthNBParam.MSNx_P1_7_0 = MSNx_P1 & 0xff;
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inst->device_data.multiSynthNBParam.MSNx_P2_19_16 = ((MSNx_P2 & 0x000F0000) >> 16);
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inst->device_data.multiSynthNBParam.MSNx_P2_15_8 = (MSNx_P2 >> 8) & 0xff;
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inst->device_data.multiSynthNBParam.MSNx_P2_7_0 = MSNx_P2 & 0xff;
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inst->device_data.multiSynthNBParam.MSNx_P3_19_16 = ((MSNx_P3 & 0x000F0000) >> 12);
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inst->device_data.multiSynthNBParam.MSNx_P3_15_8 = (MSNx_P3 >> 8) & 0xff;
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inst->device_data.multiSynthNBParam.MSNx_P3_7_0 = MSNx_P3 & 0xff;
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writeRegister(inst,SI5351_REG_MULTISYNTH_NB_0, (uint8_t*) &inst->device_data.multiSynthNBParam, sizeof(si5351_multiSynthNxParameters_t));
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break;
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default:
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break;
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}
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// reset PLL's
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cm_resetPLLs(inst, 1,1);
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return 0;
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}
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@@ -44,20 +118,20 @@ int cm_setPLLParameters(si5351_driver *inst,si5351_PLLs sel_pll, uint32_t a, uin
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temp_val = (float)128 * (float)a + ((float)128 * ((float)b/(float)c)) - (float)512;
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inst->device_data.multiSynthNAParam.MSNx_P1_17_16 = (temp_val >> 15) & 0x2;
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inst->device_data.multiSynthNAParam.MSNx_P1_17_16 = (temp_val >> 16) & 0x2;
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inst->device_data.multiSynthNAParam.MSNx_P1_15_8 = (temp_val >> 8) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P1_7_0 = temp_val & 0xff;
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temp_val = 0;
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temp_val = (float)128 * (float)b - (float)c * (float)128 * ((float)b/(float)c);
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temp_val = (uint32_t)(128 * b - c * floor(128 * ((float)b / (float)c)));
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inst->device_data.multiSynthNAParam.MSNx_P2_19_16 = (temp_val >> 15) & 0x4;
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inst->device_data.multiSynthNAParam.MSNx_P2_15_8 = (temp_val >> 7) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P2_19_16 = ((temp_val & 0x000F0000) >> 16);
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inst->device_data.multiSynthNAParam.MSNx_P2_15_8 = (temp_val >> 8) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P2_7_0 = temp_val & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P3_19_16 = (c >> 15) & 0x4;
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inst->device_data.multiSynthNAParam.MSNx_P3_15_8 = (c >> 7) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P3_19_16 = ((c & 0x000F0000) >> 12);
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inst->device_data.multiSynthNAParam.MSNx_P3_15_8 = (c >> 8) & 0xff;
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inst->device_data.multiSynthNAParam.MSNx_P3_7_0 = c & 0xff;
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writeRegister(inst,SI5351_REG_MULTISYNTH_NA_0, (uint8_t*) &inst->device_data.multiSynthNAParam, sizeof(si5351_multiSynthNxParameters_t));
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@@ -87,6 +161,125 @@ int cm_setPLLParameters(si5351_driver *inst,si5351_PLLs sel_pll, uint32_t a, uin
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break;
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}
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// reset PLL's
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cm_resetPLLs(inst, 1,1);
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return 0;
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}
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int cm_setOutputMultiSynth(si5351_driver *inst,si5351_Outputs clk_output, uint32_t d, uint32_t e, uint32_t f){
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/* Integer mode */
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uint32_t P1 = 128 * d - 512;
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uint32_t P2 = e;
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uint32_t P3 = f;
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switch(clk_output){
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case SI5351_OUTPUT_0:
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inst->device_data.multiSynth0Param.MSx_P1_17_16 = (P1 >> 16) & 0x3; // last division..
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inst->device_data.multiSynth0Param.MSx_P1_15_8 = (P1 >> 8) & 0xff;
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inst->device_data.multiSynth0Param.MSx_P1_7_0 = P1 & 0xff;
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inst->device_data.multiSynth0Param.MSx_P2_19_16 = (P2 >> 16) & 0x3;
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inst->device_data.multiSynth0Param.MSx_P2_15_8 = (P2 >> 8) & 0xff;
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inst->device_data.multiSynth0Param.MSx_P2_7_0 = P2 & 0xff;
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inst->device_data.multiSynth0Param.MSx_P3_19_16 = (P3 >> 12) & 0x3;
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inst->device_data.multiSynth0Param.MSx_P3_15_8 = (P3 >> 8) & 0xff;
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inst->device_data.multiSynth0Param.MSx_P3_7_0 = P3 & 0xff;
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writeRegister(inst,SI5351_REG_MULTISYNTH_OUT_0, (uint8_t*) &inst->device_data.multiSynth0Param, sizeof(si5351_multiSynthxParameters_t));
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break;
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case SI5351_OUTPUT_1:
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inst->device_data.multiSynth1Param.MSx_P1_17_16 = (P1 >> 16) & 0x3; // last division..
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inst->device_data.multiSynth1Param.MSx_P1_15_8 = (P1 >> 8) & 0xff;
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inst->device_data.multiSynth1Param.MSx_P1_7_0 = P1 & 0xff;
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inst->device_data.multiSynth1Param.MSx_P2_19_16 = (P2 >> 16) & 0x3;
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inst->device_data.multiSynth1Param.MSx_P2_15_8 = (P2 >> 8) & 0xff;
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inst->device_data.multiSynth1Param.MSx_P2_7_0 = P2 & 0xff;
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inst->device_data.multiSynth1Param.MSx_P3_19_16 = (P3 >> 12) & 0x3;
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inst->device_data.multiSynth1Param.MSx_P3_15_8 = (P3 >> 8) & 0xff;
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inst->device_data.multiSynth1Param.MSx_P3_7_0 = P3 & 0xff;
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writeRegister(inst,SI5351_REG_MULTISYNTH_OUT_1, (uint8_t*) &inst->device_data.multiSynth1Param, sizeof(si5351_multiSynthxParameters_t));
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break;
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default:
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break;
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}
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return 0;
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}
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int cm_setOutputEnable(si5351_driver *inst,si5351_Outputs clk_output, si5351_Outputs_state outputState){
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switch (clk_output)
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{
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case SI5351_OUTPUT_0:
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inst->device_data.outputEnableControl.CLK0_OEB = outputState;
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break;
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case SI5351_OUTPUT_1:
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inst->device_data.outputEnableControl.CLK1_OEB = outputState;
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break;
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default:
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break;
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}
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writeRegister(inst,SI5351_REG_OUTPUT_ENABLE_CONTROL, (uint8_t*) &inst->device_data.outputEnableControl, sizeof(si5351_outputEnableControl_t));
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return 0;
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}
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int cm_setCLKControl(si5351_driver *inst, si5351_Outputs clk_output, si5351_CLK_PDN clk_pdn){
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switch (clk_output)
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{
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case SI5351_OUTPUT_0:
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inst->device_data.CLK0_control.CLK_PDN = clk_pdn;
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inst->device_data.CLK0_control.MSx_INT = 1;
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inst->device_data.CLK0_control.CLK_SRC = 0b11;
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inst->device_data.CLK1_control.MSx_SRC = 0;
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inst->device_data.CLK0_control.CLK_IDRV = SI5351_DRIVE_STRENGTH_8MA;
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writeRegister(inst,SI5351_REG_CLK_0_CONTROL, (uint8_t*) &inst->device_data.CLK0_control, sizeof(si5351_CLK_Control_t));
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break;
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case SI5351_OUTPUT_1:
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inst->device_data.CLK1_control.CLK_PDN = clk_pdn;
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inst->device_data.CLK1_control.MSx_INT = 1;
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inst->device_data.CLK1_control.MSx_SRC = 1;
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inst->device_data.CLK1_control.CLK_SRC = 0b11;
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inst->device_data.CLK1_control.CLK_IDRV = SI5351_DRIVE_STRENGTH_8MA;
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writeRegister(inst,SI5351_REG_CLK_1_CONTROL, (uint8_t*) &inst->device_data.CLK1_control, sizeof(si5351_CLK_Control_t));
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break;
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default:
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break;
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}
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return 0;
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}
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@@ -95,11 +288,12 @@ int cm_setInputSource(si5351_driver *inst, si5351_ClkSource clk_source){
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switch(clk_source){
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case SI5351_CLK_SOURCE_XTAL:
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inst->device_data.pllInputSource.PLLA_SRC = 1;
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inst->device_data.pllInputSource.PLLA_SRC = 0;
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inst->device_data.pllInputSource.PLLB_SRC = 0;
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break;
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case SI5351_CLK_SOURCE_CLOCKSOURCE:
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inst->device_data.pllInputSource.PLLA_SRC = 0;
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inst->device_data.pllInputSource.PLLA_SRC = 1;
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break;
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default:
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@@ -113,6 +307,18 @@ int cm_setInputSource(si5351_driver *inst, si5351_ClkSource clk_source){
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return 0;
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}
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int cm_resetPLLs(si5351_driver *inst, uint8_t reset_PLLA, uint8_t reset_PLLB){
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inst->device_data.PLL_Reset.PLLA_RST = (reset_PLLA != 0)? 1 : 0;
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inst->device_data.PLL_Reset.PLLB_RST = (reset_PLLB != 0)? 1 : 0;
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// Write to register:
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writeRegister(inst,SI5351_REG_PLL_RESET, (uint8_t*) &inst->device_data.PLL_Reset, sizeof(si5351_PLL_Reset_t));
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return 0;
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}
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uint8_t cm_si5351_getRevisionNumber(si5351_driver *inst){
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// Read Device Status register:
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@@ -132,14 +338,30 @@ int cm_si5351_init(si5351_driver *inst, void *i2c_transfer_inst, setGet_I2C_Even
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int ret = 0;
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// SW Reset device.
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//ret = cm_ltr390_SWreset(inst);
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memset(&(inst->device_data),0x00,sizeof(si5351_data));
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// ret = ltr390_readAllReg(inst);
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/* Disable all outputs setting CLKx_DIS high */
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uint8_t temp = 0xff;
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writeRegister(inst,SI5351_REG_OUTPUT_ENABLE_CONTROL,&temp,1);
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/* Power down all output drivers */
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temp = 0x80;
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writeRegister(inst,SI5351_REG_CLK_0_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_1_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_2_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_3_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_4_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_5_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_6_CONTROL,&temp,1);
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writeRegister(inst,SI5351_REG_CLK_7_CONTROL,&temp,1);
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temp = SI5351_CRYSTAL_LOAD_10PF;
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writeRegister(inst,SI5351_REG_CRYSTAL_LOAD_CAPACITANCE,&temp,1);
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return ret;
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}
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