rework of si5351 driver
This commit is contained in:
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f3682d7103
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@ -82,8 +82,8 @@
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</folderInfo>
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<sourceEntries>
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<entry excluding="external_sources" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Middlewares"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
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</sourceEntries>
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</configuration>
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</storageModule>
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@ -165,8 +165,8 @@
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</folderInfo>
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<sourceEntries>
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<entry excluding="external_sources" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Middlewares"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
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</sourceEntries>
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</configuration>
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</storageModule>
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@ -70,8 +70,6 @@ extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include <stdint.h>
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#include <si5351_reg.h> /* register map of the Si5351 */
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/* #include <errno.h> could also be included */
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/* Private includes ----------------------------------------------------------*/
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@ -105,7 +103,7 @@ typedef enum {
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/* Exported macros -----------------------------------------------------------*/
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#define __SI5351__ 1
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#define __SI5351_MINOR__ 1
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#define __SI5351_MINOR__ 2
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#define __SI5351_PATCHLEVEL__ 0
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#define SI5351_VERSION (__SI5351__ * 10000 \
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@ -127,7 +125,6 @@ int si5351_deinitialize(void);
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si5351_inst_t si5351_init(void * i2c_handle, uint8_t i2c_address, uint32_t xtal_frequency);
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int si5351_deinit(si5351_inst_t si5351_handle);
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int si5351_i2c_ready(si5351_inst_t inst);
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int si5351_program(si5351_inst_t inst);
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int si5351_enable_output(si5351_inst_t inst, uint8_t clk);
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int si5351_disable_output(si5351_inst_t inst, uint8_t clk);
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int si5351_set_clk0(si5351_inst_t inst, uint32_t frequency);
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@ -136,7 +133,10 @@ int si5351_set_clk(si5351_inst_t inst, uint8_t clk, uint32_t frequency, si5351_p
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char * si5351_read_debug_msg(si5351_inst_t inst);
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char * si5351_read_register_debug(si5351_inst_t inst, char *buf, size_t bufsize, uint8_t regaddr);
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/* some functions for getting information */
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int si5351_get_instance(si5351_inst_t *inst);
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int si5351_get_i2c_address(si5351_inst_t inst);
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void* si5351_get_i2c_handle(si5351_inst_t inst);
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/* under development */
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int si5351_set_clk_phase(si5351_inst_t inst, uint8_t clk, uint32_t frequency, double phase, si5351_pll_t pll);
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@ -16,7 +16,7 @@
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#include <string.h> //strchr
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#include <stdlib.h> //bsearch
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#include "helper.h" //ltrim
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#include "stm32_si5351.h"
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#include "si5351.h"
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#include "commands.h"
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@ -24,7 +24,7 @@
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/* USER CODE BEGIN Includes */
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#include <stdio.h>
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#include "at1_defines.h"
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#include "stm32_si5351.h"
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#include "si5351.h"
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#include "commands.h"
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#include <string.h>
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#include "ringbuf.h"
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@ -1,9 +1,9 @@
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/**
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******************************************************************************
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* @file stm32_si5351.c
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* @brief STM32 library/driver for the Si5351 clock chip
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from Skyworks Solutions, Inc. (former SiLabs)
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******************************************************************************
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*******************************************************************************
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* @file si5351.c
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* @brief STM32 library/driver for the Si5351 clock chip
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* from Skyworks Solutions, Inc. (former SiLabs)
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*******************************************************************************
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* @author: Thomas Kuschel KW4NZ
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* created 2022-05-11
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*
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@ -16,11 +16,13 @@
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/* Defines for compilation ---------------------------------------------------*/
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/* if you want to automatically enable the clk output after setting synthesis */
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/* you can set the AUTOMATICALLY_ENALBE_OUTPUT to 1 (not recommended) */
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#define AUTOMATICALLY_ENABLE_OUTPUT 0
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/* enable some optimizing, usually set to 1 */
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#define OPTIMIZED 1
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/* Includes ------------------------------------------------------------------*/
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/* Includes -----------------------------------------------------------------*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef DEBUG
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@ -31,7 +33,8 @@
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#include <assert.h>
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/* including the HAL here */
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#include "stm32l4xx_hal.h"
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/* Include the header file */
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/* register map of the Si5351 */
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#include "si5351_reg.h"
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#include "si5351.h"
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/* Private typedef -----------------------------------------------------------*/
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@ -40,29 +43,29 @@
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*/
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typedef struct __SI5351_HandleTypeDef {
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void *i2c_handle; /*!< the I2C handle, must not be unique */
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struct __SI5351_HandleTypeDef *next; /*!< next pointer to the following structure when there are several instances */
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struct __SI5351_HandleTypeDef *next; /*!< used for several instances */
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uint32_t xtal_frequency; /*!< XTAL or CLKIN frequency */
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#if SI5351_DEBUG
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char debug_msg[1000]; /*!< debugging messages for extensive tests of the Si5351 chip, not required */
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char debug_msg[1000]; /*!< for debugging msgs, extensive tests, N/A */
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#endif
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uint8_t clk_is_pllb; /*!< assignment of PLLA or PLLB per CLK #, if bit set to 1 ...PLLB */
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uint8_t clk_is_disabled; /*!< assignment of Output Enable Control, app. Register 3 */
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uint8_t clk_has_phase_shift;/*!< assignment of an output with a phase shift offset */
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uint8_t i2c_address; /*!< I2C address of the datasheet */
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uint8_t interrupt_status_mask; /*!< Reg 2: Interrupt Status Mask */
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uint8_t initialized :1; /*!< mark the driver initialized */
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uint8_t programmed :1; /*!< mark the chip is programmed */
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uint8_t i2c_address; /*!< I2C address of the datasheet */
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uint8_t interrupt_status_mask; /*!< Reg 2: Interrupt Status Mask */
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uint8_t initialized :1; /*!< mark the driver initialized */
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uint8_t programmed :1; /*!< mark the chip is programmed */
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} si5351_HandleTypeDef;
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/* @brief SI5351 synthesis settings */
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typedef struct {
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uint32_t pll_multiplier; /*!< in datasheet this value corresponds to feedback multisynth (N) a */
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uint32_t pll_numerator; /*!< in datasheet this value corresponds to feedback multisynth (N) b */
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uint32_t pll_denominator; /*!< in datasheet this value corresponds to feedback multisynth (N) c */
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uint32_t out_multiplier; /*!< in datasheet this value corresponds to multisynth (M) a */
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uint32_t out_numerator; /*!< in datasheet this value corresponds to multisynth (M) b */
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uint32_t out_denominator; /*!< in datasheet this value corresponds to multisynth (M) c */
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uint8_t out_r_divider; /*!< R divider, log2 value bit set to 1; 2,4,8,...,128; for frequencies < 500 kHz, otherwise set to 1 i.e. bit 0 */
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uint32_t pll_multiplier; /*!< corresponds to feedback multisynth (N) a */
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uint32_t pll_numerator; /*!< corresponds to feedback multisynth (N) b */
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uint32_t pll_denominator; /*!< corresponds to feedback multisynth (N) c */
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uint32_t out_multiplier; /*!< corresponds to multisynth (M) a */
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uint32_t out_numerator; /*!< corresponds to multisynth (M) b */
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uint32_t out_denominator; /*!< corresponds to multisynth (M) c */
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uint8_t out_r_divider; /*!< R divider, log2 value bit set to 1; 2,4,8,...,128; for frequencies < 500 kHz, otherwise set to 1 i.e. bit 0 */
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} synthesis_t;
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typedef struct {
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@ -108,32 +111,33 @@ typedef struct {
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#endif
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/* Private variables ---------------------------------------------------------*/
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si5351_HandleTypeDef *first_handle = NULL; /* pointer to the first instance */
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int si5351_errno = 0; /* error_number for functions with return == NULL */
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si5351_HandleTypeDef *first_handle = NULL; /* pointer to the first instance */
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int si5351_errno = 0; /* error_number for functions with return == NULL */
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/* Private function prototypes -----------------------------------------------*/
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#ifdef DEBUG
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int __fprintb(FILE *stream, void *value, size_t size);
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#endif
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int calculation(uint32_t frequency, uint32_t xtal, synthesis_t *synth);
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int si5351_set_pll(si5351_inst_t inst, synthesis_t *synth);
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int si5351_set_output(si5351_inst_t inst, synthesis_t *synth);
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int si5351_set_synthesis(si5351_inst_t inst, synthesis_t *synth, uint8_t clk);
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static int si5351_set_synthesis(si5351_inst_t inst, synthesis_t *synth, uint8_t clk);
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static int si5351_program(si5351_inst_t inst);
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static int si5351_error_status_i2c(HAL_StatusTypeDef status);
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static int si5351_read(si5351_inst_t inst, uint8_t regaddr, uint8_t *data, uint16_t size);
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static int si5351_write(si5351_inst_t inst, uint8_t regaddr, uint8_t *data, uint16_t size);
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static int band_select(uint32_t frequency, band_t *band);
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static int calculation(uint32_t frequency, uint32_t xtal, synthesis_t *synth);
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/* Private functions ---------------------------------------------------------*/
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/** Wrapper functions for receiving/transceiving bytes from I2C bus (HAL function set)
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/** Wrapper functions for receiving/transceiving bytes from I2C bus
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* (HAL function set)
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*/
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/** @brief Give better error numbers based on the Linux error_no.h
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* @param i2c_handle the handle of the I2C bus from HAL function, e.g. hi2c1
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* @param xtal_frequency either the XTAL frequency (25/27 MHz) or CLock-In
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* from 10 MHz to 100 MHz entered in Hz
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* @param i2c_address I2C bus address of the device from datasheet typically 0x60 (or 0x61)
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* @param datasize reserve an extra area of data space in bytes, access with function si5351_read_data() and si5351_write_data()
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* @return si5351_handle Pointer to the si5351 handle, NULL if error, see si5351_errno
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* @param status based on HAL library in HAL_StatusTypeDef
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* @return error number see si5351_errno
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*/
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static int si5351_error_status_i2c(HAL_StatusTypeDef status) {
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switch (status) {
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case HAL_TIMEOUT:
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return -ETIMEDOUT;
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@ -150,32 +154,35 @@ static int si5351_error_status_i2c(HAL_StatusTypeDef status) {
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}
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}
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/** @brief Read (blocking mode) one ore more data bytes from the I2C bus starting at the regaddr register address
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* @param instance instance (handle) of the SI5351 driver
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/** @brief Read (blocking mode) one ore more data bytes from the I2C bus
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* starting at the regaddr register address
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* @param inst instance (handle) of the SI5351 driver
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* @param regaddr starting register address of the SI5351
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* @param data pointer to the first byte of data
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* @param datasize datasize of the reading data, sizeof (data), when reading only one register (byte), set to 1
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* @param datasize datasize of the reading data, sizeof (data),
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* when reading only one register (byte), set to 1
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* @return errno 0 on success, see si5351_errno_t
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* @retval -EINVAL when given a NULL handle
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* @retval -ETIMEDOUT when HAL_TIMEOUT
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* @retval -EIO when HAL_ERROR
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* @retval -EBUSY when HAL_BUSY
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* @retval -EINVAL when given a NULL handle
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* @retval -ETIMEDOUT when HAL_TIMEOUT
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* @retval -EIO when HAL_ERROR
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* @retval -EBUSY when HAL_BUSY
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* if applicable use interrupt controlled HAL functions
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*/
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int si5351_read(si5351_inst_t instance, uint8_t regaddr, uint8_t *data,
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uint16_t size) {
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static int si5351_read(si5351_inst_t inst, uint8_t regaddr, uint8_t *data, uint16_t size) {
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HAL_StatusTypeDef status;
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status = HAL_I2C_Mem_Read(instance->i2c_handle, instance->i2c_address,
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status = HAL_I2C_Mem_Read(inst->i2c_handle, inst->i2c_address,
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(uint16_t) regaddr, I2C_MEMADD_SIZE_8BIT, data, size, 0xffff);
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return si5351_error_status_i2c(status);
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}
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/** @brief Write (blocking mode) one ore more data bytes to the I2C bus starting at the regaddr register address
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* @param instance instance (handle) of the SI5351 driver
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/** @brief Write (blocking mode) one ore more data bytes to the I2C bus
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* starting at the regaddr register address
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* @param inst instance (handle) of the SI5351 driver
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* @param regaddr starting register address of the SI5351
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* @param data pointer to the first byte of data
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* @param datasize datasize of the writing data, sizeof (data), when writing to one register (byte), set to 1
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* @param datasize datasize of the writing data, sizeof (data),
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* when writing to one register (byte), set to 1
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* @return errno 0 on success, see si5351_errno_t
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* @retval -EINVAL when given a NULL handle
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* @retval -ETIMEDOUT when HAL_TIMEOUT
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@ -183,11 +190,10 @@ int si5351_read(si5351_inst_t instance, uint8_t regaddr, uint8_t *data,
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* @retval -EBUSY when HAL_BUSY
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* if applicable use interrupt controlled HAL functions
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*/
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int si5351_write(si5351_inst_t instance, uint8_t regaddr, uint8_t *data,
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uint16_t size) {
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static int si5351_write(si5351_inst_t inst, uint8_t regaddr, uint8_t *data, uint16_t size) {
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HAL_StatusTypeDef status;
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status = HAL_I2C_Mem_Write(instance->i2c_handle, instance->i2c_address,
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status = HAL_I2C_Mem_Write(inst->i2c_handle, inst->i2c_address,
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(uint16_t) regaddr, I2C_MEMADD_SIZE_8BIT, data, size, 0xffff);
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return si5351_error_status_i2c(status);
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}
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@ -336,7 +342,7 @@ int si5351_deinitialize(void) {
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* @retval -EIO when HAL_ERROR
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* @retval -EBUSY when HAL_BUSY
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*/
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int si5351_program(si5351_inst_t inst) {
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static int si5351_program(si5351_inst_t inst) {
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uint8_t data;
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int status = 0;
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@ -388,8 +394,12 @@ int si5351_program(si5351_inst_t inst) {
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status = si5351_read(inst, SI5351_FANOUT_ENABLE, &data, 1);
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if (status)
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break;
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - (size_t)cx, "(%d) FANOUT_ENABLE 0x%x\n", cx, data);
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - (size_t)cx, "(%d) FANOUT_ENABLE %d\n", cx, data);
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cx += snprintf(inst->debug_msg + cx,
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sizeof(inst->debug_msg) - (size_t)cx,
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"(%d) FANOUT_ENABLE 0x%x\n", cx, data);
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cx += snprintf(inst->debug_msg + cx,
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sizeof(inst->debug_msg) - (size_t)cx,
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"(%d) FANOUT_ENABLE %d\n", cx, data);
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#endif
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data = SI5351_CLKIN_FANOUT_EN | SI5351_XO_FANOUT_EN
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| SI5351_MS_FANOUT_EN; // set them to 1b
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@ -400,8 +410,12 @@ int si5351_program(si5351_inst_t inst) {
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status = si5351_read(inst, SI5351_FANOUT_ENABLE, &data, 1);
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if (status)
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break;
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - (size_t)cx, "(%d) FANOUT_ENABLE 0x%x\n", cx, data);
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - (size_t)cx, "(%d) FANOUT_ENABLE %d\n", cx, data);
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cx += snprintf(inst->debug_msg + cx,
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sizeof(inst->debug_msg) - (size_t)cx,
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"(%d) FANOUT_ENABLE 0x%x\n", cx, data);
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cx += snprintf(inst->debug_msg + cx,
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sizeof(inst->debug_msg) - (size_t)cx,
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"(%d) FANOUT_ENABLE %d\n", cx, data);
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#endif
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/* Crystal Internal Load Capacitance */
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@ -410,7 +424,9 @@ int si5351_program(si5351_inst_t inst) {
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status = si5351_write(inst, SI5351_CRYSTAL_INTERNAL_LOAD_CAPACITANCE, &data, 1);
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if (status)
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break;
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - (size_t)cx, "(%d) XTAL int. Load Cap: 0x%x (%dd)\n", cx, data, data);
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cx += snprintf(inst->debug_msg + cx,
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sizeof(inst->debug_msg) - (size_t)cx,
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"(%d) XTAL int. Load Cap: 0x%x (%dd)\n", cx, data, data);
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#endif
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inst->programmed = 1; /* the device is programmed */
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} while (0);
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@ -419,24 +435,31 @@ int si5351_program(si5351_inst_t inst) {
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}
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/** @brief Select the right band to calculate even divisors for the output
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* @param frequency
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* @param band pointer of band_t return parameters as a structure min, max, divisor for each band
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* @param frequency
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* @param band pointer of band_t return parameters as a structure min,
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* max, divisor for each band
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* @return 1 on success, when a frequency band is found
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* @retval 0 when frequency not found
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* @retval 0 when frequency not found
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*/
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int band_select(uint32_t frequency, band_t *band) {
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static int band_select(uint32_t frequency, band_t *band) {
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static const band_t sband[] = { /* band in meters, frequ_lo, frequ_hi, multiplier, divider_bit */
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{ "80", 3000000, 4500000, 200, 0 }, { "40", 5625000, 7500000, 120, 0 }, {
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"30", 7500000, 11250000, 80, 0 },
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{ "20", 11250000, 15000000, 60, 0 }, { "15", 15000000, 22500000, 40,
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0 }, { "10", 22500000, 32142000, 28, 0 }, { "8", 32142000,
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45000000, 20, 0 }, { "6", 45000000, 64285000, 14, 0 }, {
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"4", 64285000, 76000000, 10, 0 }, { "3", 76000000, 11250000,
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8, 0 }, { "2", 11250000, 15000000, 6, 0 }, { "180", 1500000,
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2250000, 400, 0 }, { "120", 2250000, 3000000, 300, 0 }, {
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"60", 4500000, 5625000, 160, 0 }, };
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{ "80", 3000000, 4500000, 200, 0 },
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{ "40", 5625000, 7500000, 120, 0 },
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{ "30", 7500000, 11250000, 80, 0 },
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{ "20", 11250000, 15000000, 60, 0 },
|
||||
{ "15", 15000000, 22500000, 40, 0 },
|
||||
{ "10", 22500000, 32142000, 28, 0 },
|
||||
{ "8", 32142000, 45000000, 20, 0 },
|
||||
{ "6", 45000000, 64285000, 14, 0 },
|
||||
{ "4", 64285000, 76000000, 10, 0 },
|
||||
{ "3", 76000000, 11250000, 8, 0 },
|
||||
{ "2", 11250000, 15000000, 6, 0 },
|
||||
{"180", 1500000, 2250000, 400, 0 },
|
||||
{"120", 2250000, 3000000, 300, 0 },
|
||||
{ "60", 4500000, 5625000, 160, 0 },
|
||||
};
|
||||
/* possibly this could be improved with a bsearch algorithm: */
|
||||
for (uint32_t i = 0; i < (sizeof(sband) / sizeof(sband[0])); i++) {
|
||||
if (frequency > sband[i].qrg_min && frequency <= sband[i].qrg_max) {
|
||||
memcpy(band, &sband[i], sizeof(*band));
|
||||
@ -452,7 +475,7 @@ int band_select(uint32_t frequency, band_t *band) {
|
||||
* @param synth pointer to a structure snythesis_t will be set with the calculated values
|
||||
* @return 0 on success
|
||||
*/
|
||||
int calculation(uint32_t frequency, uint32_t xtal, synthesis_t *synth) {
|
||||
static int calculation(uint32_t frequency, uint32_t xtal, synthesis_t *synth) {
|
||||
|
||||
uint32_t t;
|
||||
band_t band;
|
||||
@ -689,7 +712,7 @@ int si5351_set_clk_phase(si5351_inst_t inst, uint8_t clk, uint32_t frequency,
|
||||
* @retval -EIO when HAL_ERROR
|
||||
* @retval -EBUSY when HAL_BUSY
|
||||
*/
|
||||
int si5351_reset_pll(si5351_inst_t inst, uint8_t clk) {
|
||||
static int si5351_reset_pll(si5351_inst_t inst, uint8_t clk) {
|
||||
|
||||
/* internal function, no need to check inst nor clk */
|
||||
|
||||
@ -707,8 +730,8 @@ int si5351_reset_pll(si5351_inst_t inst, uint8_t clk) {
|
||||
|
||||
/** @brief Sets the CLK_x output phase of the si5351 (direct access to register)
|
||||
* @param si5351_instance Given si5351 device handle
|
||||
* @param phase in uint8_t type value
|
||||
* @param clk The CLK ouput to drive and disable 0...CLK0, 1...CLK1, 2...CLK2, ...
|
||||
* @param phase in uint8_t type value
|
||||
* @return 0 on success
|
||||
* @retval -EINVAL when given a NULL handle
|
||||
* @retval -ETIMEDOUT when HAL_TIMEOUT
|
||||
@ -743,7 +766,7 @@ int si5351_set_phase(si5351_inst_t inst, uint8_t clk, uint8_t phase) {
|
||||
* @retval -EIO when HAL_ERROR
|
||||
* @retval -EBUSY when HAL_BUSY
|
||||
*/
|
||||
int si5351_set_synthesis(si5351_inst_t inst, synthesis_t *synth, uint8_t clk) {
|
||||
static int si5351_set_synthesis(si5351_inst_t inst, synthesis_t *synth, uint8_t clk) {
|
||||
|
||||
uint32_t MSNx_P1, MSNx_P2, MSNx_P3;
|
||||
uint32_t MSx_P1, MSx_P2, MSx_P3;
|
||||
|
||||
@ -511,4 +511,4 @@ VP_RTC_VS_RTC_Calendar.Signal=RTC_VS_RTC_Calendar
|
||||
VP_SYS_VS_tim6.Mode=TIM6
|
||||
VP_SYS_VS_tim6.Signal=SYS_VS_tim6
|
||||
board=NUCLEO-L4A6ZG
|
||||
isbadioc=true
|
||||
isbadioc=false
|
||||
|
||||
Loading…
Reference in New Issue
Block a user