app_config_stm32.c File Reference

Application configurations module for STM32 platform. More...

#include "app_config_stm32.h"
#include "no_os_error.h"
#include "no_os_util.h"
#include "no_os_pwm.h"
#include "ad7091r_iio.h"

Include dependency graph for app_config_stm32.c:

Macros
#define	TIM_CCMR_CCS_OUTPUT   0
#define	TIM_CR2_MMS_COMPARE_PULSE   3
#define	TIM_SMCR_SMS_TRIGGER   6
#define	TIM_ITR_SOURCE   0

Functions
void	stm32_system_init (void)
	Initialize the STM32 system peripherals. More...
void	tim2_config (void)
	Configure CS timer. More...
void	tim8_config (void)
	Configure Tx Trigger timer. More...
void	stm32_timer_enable (void)
	Starts the timer signal generation for PWM and OC channels all at once. More...
void	stm32_timer_stop (void)
	Stop generating timer signals. More...
void	stm32_abort_dma_transfer (void)
	Abort DMA Transfers. More...
void	stm32_cs_output_gpio_config (bool is_gpio)
	Configures the chip select pin as output mode. More...
void	receivecomplete_callback (DMA_HandleTypeDef *hdma)
	Callback function to flag the capture of number of requested samples. More...
void	halfcmplt_callback (DMA_HandleTypeDef *hdma)
	Callback function to flag the capture of Half the number of requested samples. More...
void	update_buff (uint32_t *local_buf, uint32_t *buf_start_addr)
	Update buffer index. More...
void	ad7091r8_pulse_convst_stm (void)
	Pull the CONVST line down then up. More...
int	ad7091r8_read_one_stm (uint8_t channel, uint16_t *read_val)
	Read one sample. More...
void	configure_intr_priority (void)
	Prioritizes the UART1 interrupt over the other peripheral interrupts. More...

Variables
struct stm32_uart_init_param	stm32_uart_init_params
struct stm32_usb_uart_init_param	stm32_vcom_extra_init_params
struct stm32_gpio_irq_init_param	stm32_trigger_gpio_irq_init_params
struct stm32_spi_init_param	stm32_spi_init_params
struct stm32_i2c_init_param	stm32_i2c_init_params
struct stm32_gpio_init_param	stm32_gpio_cnv_init_params
struct stm32_gpio_init_param	stm32_pwm_cnv_gpio_init_params
struct stm32_gpio_init_param	stm32_gpio_reset_init_params
struct stm32_gpio_init_param	stm32_gpio_gp0_extra_init_params
struct stm32_pwm_init_param	stm32_cnv_pwm_init_params
struct stm32_pwm_init_param	stm32_cs_extra_init_params
struct stm32_pwm_init_param	stm32_tx_trigger_extra_init_params
struct stm32_dma_channel	txdma_channel
struct stm32_dma_channel	rxdma_channel
struct stm32_gpio_init_param	stm32_cs_pwm_gpio_extra_init_params
struct stm32_gpio_init_param	stm32_cs_gpio_extra_init_params
volatile struct stm32_spi_desc *	sdesc
uint32_t	rxdma_ndtr
uint32_t	dma_cycle_count = 0
uint8_t *	iio_buf_start_idx
uint8_t *	dma_buf_start_idx
uint8_t *	iio_buf_current_idx
uint8_t *	dma_buf_current_idx

Detailed Description

Application configurations module for STM32 platform.

Copyright (c) 2024 Analog Devices, Inc. All rights reserved.

This software is proprietary to Analog Devices, Inc. and its licensors. By using this software you agree to the terms of the associated Analog Devices Software License Agreement.

Macro Definition Documentation

TIM_CCMR_CCS_OUTPUT

#define TIM_CCMR_CCS_OUTPUT   0

TIM_CR2_MMS_COMPARE_PULSE

#define TIM_CR2_MMS_COMPARE_PULSE   3

TIM_ITR_SOURCE

#define TIM_ITR_SOURCE   0

TIM_SMCR_SMS_TRIGGER

#define TIM_SMCR_SMS_TRIGGER   6

Function Documentation

ad7091r8_pulse_convst_stm()

void ad7091r8_pulse_convst_stm

(

void

)

Pull the CONVST line down then up.

Returns

none.

Here is the caller graph for this function:

ad7091r8_read_one_stm()

int ad7091r8_read_one_stm	(	uint8_t	channel,
		uint16_t *	read_val
	)

Read one sample.

Parameters

channel[in]	- Channel.
read_val[out]	- Value.

Returns

0 in case of success, negative error code otherwise.

configure_intr_priority()

void configure_intr_priority

(

void

)

Prioritizes the UART1 interrupt over the other peripheral interrupts.

Returns

None

halfcmplt_callback()

void halfcmplt_callback

(

DMA_HandleTypeDef *

hdma

)

Callback function to flag the capture of Half the number of requested samples.

Callback function to flag the capture of half the number of requested samples.

Parameters

hdma	- DMA Handler (Unused)

Returns

None

receivecomplete_callback()

void receivecomplete_callback

(

DMA_HandleTypeDef *

hdma

)

Callback function to flag the capture of number of requested samples.

Parameters

hdma	- DMA Handler (Unused)

Returns

None

stm32_abort_dma_transfer()

void stm32_abort_dma_transfer

(

void

)

Abort DMA Transfers.

Abort ongoing SPI RX DMA transfer.

Returns

None

stm32_cs_output_gpio_config()

void stm32_cs_output_gpio_config

(

bool

is_gpio

)

Configures the chip select pin as output mode.

Parameters

is_gpio[in]

Mode of the Pin

Returns

None

stm32_system_init()

void stm32_system_init

(

void

)

Initialize the STM32 system peripherals.

Returns

None

stm32_timer_enable()

void stm32_timer_enable

(

void

)

Starts the timer signal generation for PWM and OC channels all at once.

Returns

None

stm32_timer_stop()

void stm32_timer_stop

(

void

)

Stop generating timer signals.

Stops generating timer signals.

Returns

None

tim2_config()

void tim2_config

(

void

)

Configure CS timer.

Returns

None

tim8_config()

void tim8_config

(

void

)

Configure Tx Trigger timer.

Returns

None

Note

Tx timer acts as a slave for External Trigger (ETR1) in one-pulse mode to generate DMA requests

update_buff()

void update_buff	(	uint32_t *	local_buf,
		uint32_t *	buf_start_addr
	)

Update buffer index.

Parameters

local_buf[out]	- Local Buffer
buf_start_addr[out]	- Buffer start addr

Returns

None

Variable Documentation

dma_buf_current_idx

uint8_t* dma_buf_current_idx

dma_buf_start_idx

uint8_t* dma_buf_start_idx

dma_cycle_count

uint32_t dma_cycle_count = 0

iio_buf_current_idx

uint8_t* iio_buf_current_idx

iio_buf_start_idx

uint8_t* iio_buf_start_idx

rxdma_channel

struct stm32_dma_channel rxdma_channel

Initial value:

= {
    .hdma = &hdma_spi1_rx,
    .ch_num = RxDMA_CHANNEL_NUM,
    .mem_increment = true,
    .mem_data_alignment = DATA_ALIGN_BYTE,
    .per_data_alignment = DATA_ALIGN_BYTE,
    .dma_mode = DMA_CIRCULAR_MODE,
}

rxdma_ndtr

uint32_t rxdma_ndtr

sdesc

volatile struct stm32_spi_desc* sdesc

stm32_cnv_pwm_init_params

struct stm32_pwm_init_param stm32_cnv_pwm_init_params

Initial value:

= {
    .prescaler = CNV_PWM_PRESCALER,
    .timer_autoreload = true,
    .mode = TIM_OC_PWM2,
    .timer_chn = CNV_PWM_CHANNEL,
    .get_timer_clock = HAL_RCC_GetPCLK2Freq,
    .clock_divider = CNV_PWM_CLK_DIVIDER,
    .complementary_channel = false,
    .trigger_enable = false,
    .trigger_output = PWM_TRGO_RESET
}

stm32_cs_extra_init_params

struct stm32_pwm_init_param stm32_cs_extra_init_params

Initial value:

= {
    .prescaler = CS_TIMER_PRESCALER,
    .timer_autoreload = false,
    .mode = TIM_OC_PWM2,
    .timer_chn = CS_TIMER_CHANNEL,
    .complementary_channel = false,
    .get_timer_clock = HAL_RCC_GetPCLK1Freq,
    .clock_divider = TIMER_2_CLK_DIVIDER
}

stm32_cs_gpio_extra_init_params

struct stm32_gpio_init_param stm32_cs_gpio_extra_init_params

Initial value:

= {
    .mode = GPIO_MODE_OUTPUT_PP,
    .speed = GPIO_SPEED_FREQ_VERY_HIGH,
}

stm32_cs_pwm_gpio_extra_init_params

struct stm32_gpio_init_param stm32_cs_pwm_gpio_extra_init_params

Initial value:

= {
    .mode = GPIO_MODE_AF_PP,
    .speed = GPIO_SPEED_FREQ_VERY_HIGH,
    .alternate = GPIO_AF1_TIM2
}

stm32_gpio_cnv_init_params

struct stm32_gpio_init_param stm32_gpio_cnv_init_params

Initial value:

= {
    .mode = GPIO_MODE_OUTPUT_PP,
    .speed = GPIO_SPEED_FREQ_VERY_HIGH
}

stm32_gpio_gp0_extra_init_params

struct stm32_gpio_init_param stm32_gpio_gp0_extra_init_params

Initial value:

= {
    .mode = GPIO_MODE_INPUT,
    .speed = GPIO_SPEED_FREQ_VERY_HIGH,
}

stm32_gpio_reset_init_params

struct stm32_gpio_init_param stm32_gpio_reset_init_params

Initial value:

= {
    .mode = GPIO_MODE_OUTPUT_PP
}

stm32_i2c_init_params

struct stm32_i2c_init_param stm32_i2c_init_params

Initial value:

= {
    .i2c_timing = I2C_TIMING
}

stm32_pwm_cnv_gpio_init_params

struct stm32_gpio_init_param stm32_pwm_cnv_gpio_init_params

Initial value:

= {
    .mode = GPIO_MODE_AF_PP,
    .speed = GPIO_SPEED_FREQ_VERY_HIGH,
    .alternate = GPIO_AF1_TIM1
}

stm32_spi_init_params

struct stm32_spi_init_param stm32_spi_init_params

Initial value:

= {
    .chip_select_port = STM32_SPI_CS_PORT,
    .get_input_clock = HAL_RCC_GetPCLK2Freq
}

stm32_trigger_gpio_irq_init_params

struct stm32_gpio_irq_init_param stm32_trigger_gpio_irq_init_params

Initial value:

= {
    .port_nb = GPIO_TRIGGER_INT_PORT
}

stm32_tx_trigger_extra_init_params

struct stm32_pwm_init_param stm32_tx_trigger_extra_init_params

Initial value:

= {
    .prescaler = TIMER_8_PRESCALER,
    .timer_autoreload = true,
    .mode = TIM_OC_TOGGLE,
    .timer_chn = TIMER_CHANNEL_1,
    .complementary_channel = false,
    .get_timer_clock = HAL_RCC_GetPCLK1Freq,
    .clock_divider = TIMER_8_CLK_DIVIDER,
    .trigger_output = PWM_TRGO_ENABLE,
    .dma_enable = true,
    .repetitions = 1,
    .onepulse_enable = true
}

stm32_uart_init_params

struct stm32_uart_init_param stm32_uart_init_params

Initial value:

= {
    .huart = APP_UART_HANDLE
}

stm32_vcom_extra_init_params

struct stm32_usb_uart_init_param stm32_vcom_extra_init_params

Initial value:

= {
    .husbdevice = APP_UART_USB_HANDLE
}

txdma_channel

struct stm32_dma_channel txdma_channel

Initial value:

= {
    .hdma = &hdma_tim8_ch1,
    .ch_num = TxDMA_CHANNEL_NUM,
    .mem_increment = false,
    .mem_data_alignment = DATA_ALIGN_BYTE,
    .per_data_alignment = DATA_ALIGN_BYTE,
    .dma_mode = DMA_CIRCULAR_MODE
}