app_config_stm32.c File Reference

Source file for STM32 platform configurations. More...

#include <stdbool.h>
#include "app_config.h"
#include "app_config_stm32.h"
#include "ad405x_iio.h"
#include "ad405x.h"

Include dependency graph for app_config_stm32.c:

Functions
void	receivecomplete_callback (DMA_HandleTypeDef *hdma)
	Callback function to flag the capture of number of requested samples. More...
void	tim1_config (void)
	Configure CNV timer. More...
void	stm32_system_init (void)
	Initialize the STM32 system peripherals. 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	stm32_timer_enable (void)
	Starts the timer signal generation for PWM and OC channels all at once. More...
void	stm32_timer_stop (void)
	Stops generating timer signals. More...
void	stm32_cs_output_gpio_config (bool is_gpio)
	Configures the chip select pin as output mode. More...
void	stm32_cnv_output_gpio_config (bool is_gpio)
	Configures the conversion pin as output mode. More...
int	stm32_abort_dma_transfer (void)
	Abort ongoing SPI RX DMA transfer. More...
void	tim8_config (void)

Variables
struct stm32_dma_channel	txdma_channel
struct stm32_dma_channel	rxdma_channel
struct stm32_uart_init_param	stm32_uart_extra_init_params
struct stm32_spi_init_param	stm32_spi_extra_init_params
struct stm32_gpio_init_param	stm32_gpio_cnv_extra_init_params
struct stm32_gpio_init_param	stm32_gpio_gp0_extra_init_params
struct stm32_gpio_init_param	stm32_gpio_gp1_extra_init_params
struct stm32_gpio_irq_init_param	stm32_gpio_irq_extra_init_params
struct stm32_gpio_init_param	stm32_cs_pwm_gpio_extra_init_params
struct stm32_gpio_init_param	stm32_cs_gpio_extra_init_params
struct stm32_gpio_init_param	stm32_pwm_gpio_extra_init_params
struct stm32_pwm_init_param	stm32_pwm_cnv_extra_init_params
struct stm32_pwm_init_param	stm32_cs_extra_init_params
struct stm32_pwm_init_param	stm32_tx_trigger_extra_init_params
volatile struct stm32_spi_desc *	sdesc
volatile bool	ad405x_conversion_flag = false
int	dma_cycle_count = 0
uint32_t	rxdma_ndtr
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

Source file for STM32 platform configurations.

Copyright (c) 2023-2024 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.

Function Documentation

halfcmplt_callback()

void halfcmplt_callback

(

DMA_HandleTypeDef *

hdma

)

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

None

Here is the caller graph for this function:

stm32_abort_dma_transfer()

int stm32_abort_dma_transfer

(

void

)

Abort ongoing SPI RX DMA transfer.

Returns

None

stm32_cnv_output_gpio_config()

void stm32_cnv_output_gpio_config

(

bool

is_gpio

)

Configures the conversion pin as output mode.

Parameters

is_gpio[in]

Mode of the Pin

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

)

Stops generating timer signals.

Returns

None

tim1_config()

void tim1_config

(

void

)

Configure CNV timer.

Returns

None

tim8_config()

void tim8_config

(

void

)

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

ad405x_conversion_flag

volatile bool ad405x_conversion_flag = false

dma_buf_current_idx

uint8_t* dma_buf_current_idx

dma_buf_start_idx

uint8_t* dma_buf_start_idx

dma_cycle_count

int 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 = AD405x_RxDMA_CHANNEL_NUM,
    .mem_increment = true,
    .mem_data_alignment = DATA_ALIGN_HALF_WORD,
    .per_data_alignment = DATA_ALIGN_HALF_WORD,
    .dma_mode = DMA_CIRCULAR_MODE,
}

rxdma_ndtr

uint32_t rxdma_ndtr

sdesc

volatile struct stm32_spi_desc* sdesc

stm32_cs_extra_init_params

struct stm32_pwm_init_param stm32_cs_extra_init_params

Initial value:

= {
    .prescaler = TIMER_2_PRESCALER,
    .timer_autoreload = false,
    .mode = TIM_OC_PWM2,
    .timer_chn = TIMER_CHANNEL_1,
    .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_extra_init_params

struct stm32_gpio_init_param stm32_gpio_cnv_extra_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_gp1_extra_init_params

struct stm32_gpio_init_param stm32_gpio_gp1_extra_init_params

Initial value:

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

stm32_gpio_irq_extra_init_params

struct stm32_gpio_irq_init_param stm32_gpio_irq_extra_init_params

Initial value:

= {
    .port_nb = GP1_PORT_NUM, 
}

stm32_pwm_cnv_extra_init_params

struct stm32_pwm_init_param stm32_pwm_cnv_extra_init_params

Initial value:

= {
    .prescaler = TIMER_1_PRESCALER,
    .timer_autoreload = true,
    .mode = TIM_OC_PWM1,
    .timer_chn = TIMER_CHANNEL_3,
    .get_timer_clock = HAL_RCC_GetPCLK2Freq,
    .clock_divider = TIMER_1_CLK_DIVIDER
}

stm32_pwm_gpio_extra_init_params

struct stm32_gpio_init_param stm32_pwm_gpio_extra_init_params

Initial value:

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

stm32_spi_extra_init_params

struct stm32_spi_init_param stm32_spi_extra_init_params

Initial value:

= {
    .chip_select_port = STM32_SPI_CS_PORT_NUM,
    .get_input_clock = HAL_RCC_GetPCLK2Freq,
}

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
}

stm32_uart_extra_init_params

struct stm32_uart_init_param stm32_uart_extra_init_params

Initial value:

= {
    .huart = &huart5,
}

txdma_channel

struct stm32_dma_channel txdma_channel

Initial value:

= {
    .hdma = &hdma_tim8_ch1,
    .ch_num = AD405x_TxDMA_CHANNEL_NUM,
    .mem_increment = false,
    .mem_data_alignment = DATA_ALIGN_BYTE,
    .per_data_alignment = DATA_ALIGN_BYTE,
    .dma_mode = DMA_CIRCULAR_MODE
}