CHG programming further investigation
This commit is contained in:
Tom Kuschel
@ -145,6 +145,7 @@ int main(void)
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status = si5351_program(instance_si5351[1]);
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printf("Device #1 gets status %d\n", status);
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printf("Debug:\n%s", si5351_read_debug_msg(instance_si5351[1]));
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for (int i=2; i>=0; i--) {
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si5351_deinit(instance_si5351[i]);
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@ -178,7 +179,7 @@ int main(void)
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terminalTaskHandle = osThreadNew(start_terminal_task, NULL, &terminalTask_attributes);
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/* creation of idTask */
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idTaskHandle = osThreadNew(start_id_task, NULL, &idTask_attributes);
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// idTaskHandle = osThreadNew(start_id_task, NULL, &idTask_attributes);
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/* USER CODE BEGIN RTOS_THREADS */
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/* add threads, ... */
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@ -10,14 +10,21 @@
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* adapted, idea and much information from Petr Polasek, created Feb 16, 2018
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******************************************************************************/
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/* Defines for compilation ---------------------------------------------------*/
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#define DEBUG 1
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#define OPTIMIZED 1
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/* Includes ------------------------------------------------------------------*/
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#include <stdlib.h>
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// @TODO try to get rid off including the HAL here, using pointer to the specified functions
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#if DEBUG
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#include <stdio.h>
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#endif
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#include "stm32l4xx_hal.h"
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#include "stm32_si5351.h"
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/* Private typedef -----------------------------------------------------------*/
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#define SI5351_VERSION 1
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/* @brief Si5351 handle structure definition
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*/
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@ -26,12 +33,15 @@ typedef struct __SI5351_HandleTypeDef {
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uint32_t xtal_frequency; /*!< XTAL or CLKIN frequency */
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int si5351_num;
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struct __SI5351_HandleTypeDef *next;
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char debug_msg[1000];
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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 interrupt_status_mask; /*!< Reg 2: Interrupt Status Mask */
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uint8_t initialized:1; /*!< mark the driver initialized */
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} si5351_HandleTypeDef;
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/* Private define ------------------------------------------------------------*/
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#define SI5351_VERSION 1
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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si5351_HandleTypeDef * first_handle = NULL; /* pointer to the first instancee */
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@ -111,6 +121,9 @@ si5351_HandleTypeDef *si5351_init(void * i2c_handle, uint32_t xtal_frequency, ui
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si5351_handle->i2c_handle = i2c_handle;
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si5351_handle->i2c_address = i2c_address;
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si5351_handle->xtal_frequency = xtal_frequency;
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/* disable all interrupts (Si5351C only) */
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si5351_handle->interrupt_status_mask = SI5351_SYS_INIT_MASK | SI5351_LOL_B_MASK |
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SI5351_LOL_A_MASK | SI5351_LOS_CLKIN_MASK | SI5351_LOS_XTAL_MASK;
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si5351_handle->initialized = 1;
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return si5351_handle;
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}
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@ -151,10 +164,11 @@ int si5351_deinit(si5351_HandleTypeDef * si5351_handle) {
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/** @brief Check if there is any I2C device ready on the bus
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* @param si5351_instance Given si5351 device handle
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* @return 0 on success (HAL_StatusTypeDef)
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* @retval HAL_ERROR = 0x01
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* @retval HAL_BUSY = 0x02
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* @retval HAL_TIMEOUT = 0x03
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* @return 0 on success
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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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*/
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int si5351_isready(si5351_inst_t inst) {
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@ -169,10 +183,20 @@ int si5351_isready(si5351_inst_t inst) {
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return status;
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}
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/** @brief Program the si5351 with the already set values according to Figure 10 of the datasheet
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* @param si5351_instance Given si5351 device handle
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* @return 0 on success
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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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*/
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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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int cx = 0;
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if(!inst)
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return -EINVAL;
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@ -184,29 +208,82 @@ int si5351_program(si5351_inst_t inst) {
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} while(data & SI5351_SYS_INIT);
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/* Disable Outputs Set CLKx_DIS high, Reg. 3 = 0xFF */
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data = 0xff;
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status = si5351_write(inst, SI5351_OUTPUT_ENABLE_CONTROL, &data, 1);
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if (status)
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return status;
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/* power down all output drivers reg 16 -- 23 */
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data = 0x80;
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for(int i = SI5351_CLK0_CONTROL; i <= SI5351_CLK7_CONTROL; i++) {
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status = si5351_write(inst, i, &data, 1);
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do {
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/* Disable Outputs Set CLKx_DIS high, Reg. 3 = 0xFF */
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data = SI5351_CLK7_OEB | SI5351_CLK6_OEB | SI5351_CLK5_OEB | SI5351_CLK4_OEB |
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SI5351_CLK3_OEB | SI5351_CLK2_OEB | SI5351_CLK1_OEB | SI5351_CLK0_OEB;
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status = si5351_write(inst, SI5351_OUTPUT_ENABLE_CONTROL, &data, 1);
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if (status)
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return status;
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}
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break;
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/* power down all output drivers reg 16 -- 23 */
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data = SI5351_CLKx_PDN; // 0x80
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#if OPTIMIZED
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status = si5351_write(inst, SI5351_CLK0_CONTROL, &data, SI5351_NUMBER_OF_OUTPUTS);
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if (status)
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break;
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#else
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for(int i = SI5351_CLK0_CONTROL; i <= SI5351_CLK7_CONTROL; i++) {
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status = si5351_write(inst, i, &data, 1);
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if (status)
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break;
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}
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#endif
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/* set interrupt masks (see register 2 description) */
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status = si5351_write(inst, SI5351_INTERRUPT_STATUS_MASK, &inst->interrupt_status_mask, 1);
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if (status)
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break;
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/* for debugging purpose, read out fanout enable register */
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#if DEBUG
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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) - cx, "(%d) FANOUT_ENABLE 0x%x\n", cx, data);
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - cx, "(%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 | SI5351_MS_FANOUT_EN; // set them to 1b
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status = si5351_write(inst, SI5351_FANOUT_ENABLE, &data, 1);
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if (status)
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break;
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#if DEBUG
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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) - cx, "(%d) FANOUT_ENABLE 0x%x\n", cx, data);
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cx += snprintf(inst->debug_msg + cx, sizeof(inst->debug_msg) - cx, "(%d) FANOUT_ENABLE %d\n", cx, data);
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#endif
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/* Crystal Internal Load Capacitance */
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#if DEBUG
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status = si5351_read(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) - cx, "(%d) XTAL int. Load Cap: 0x%x (%dd)\n", cx, data, data);
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#endif
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} while(0);
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return 0;
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return status;
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}
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char * si5351_read_debug_msg(si5351_inst_t inst) {
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if (!inst)
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return NULL;
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return inst->debug_msg;
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}
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#if 0
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int Si5351_WriteRegister(Si5351_ConfigTypeDef *Si5351_ConfigStruct, uint8_t reg_address, uint8_t reg_data)
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{
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uint32_t error_wait;
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