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This commit is contained in:
moyuhai
2026-06-09 16:39:17 +08:00
commit 41a602f89c
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project/example/driver/adc/app/src/adc.c
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/*!
* \file adc.c
*
* \brief Target adc implementation
*
* \copyright Revised BSD License, see section \ref LICENSE.
*
* \code
*
* _ __ _ ________ _
* | |/ /(_)___ / ____/ /_ (_)___
* | // / __ \/ / / __ \/ / __ \
* / |/ / / / / /___/ / / / / /_/ /
* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
* /_/
* (C) 2022-2025 XinChip
*
* \endcode
*
* \author ( XinChip ) Alex-J
*
* \author ( XinChip )
*/
/*-----------------------------------------------------------------------------------
INCLUDE HEADE FILES
------------------------------------------------------------------------------------*/
#include "adc.h"
#include "xc_drv_adc.h"
#include "xc_drv_systick.h"
#include "main.h"
/*------------------------------------------------------------------------------------
Macros
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Global Variables
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Functions
-------------------------------------------------------------------------------------*/
/**
* @brief adc_demo
* @details Sampling once per second with 3.3v reference voltage
* @param void
* @retval void
*/
void adc_demo(void)
{
DEBUG("__ADC_DEMO__\r");
uint16_t integer;
uint16_t decimal;
uint16_t adc_val;
uint16_t adc_2v48_param;
uint16_t after_calibrat_adc_val;
ADC_InitCfg_t adc_cfg ;
/*----- Special Read the 2.48 v calibration value -----*/
/*< If the content of the parameter
storage area is invalid, the default assignment is 10000 >*/
if(false == xc_adc_2v4_calibrate_read(&adc_2v48_param))
{
adc_2v48_param = 10000;
}
/*----- Special Pin -----*/
/*< The SWD and SWCK pins can also be used as ADC pins.
Pay attention to the function remapping of the PIN pins. >*/
adc_cfg.Freq = ADC_FREQ_2M;
adc_cfg.RefVol = ADC_REF_VOL_2_48V;
adc_cfg.SampEdge = ADC_SAMPEDGE_RISE;
adc_cfg.ExtDataMode = ADC_EXT_DATA_MODE_32BIT;
adc_cfg.ExtEdgeSel = ADC_EXT_EDGE_SEL_INTER;
adc_cfg.ExtSampleNum = ADC_EXT_SAMPLE_NUM_8;
adc_cfg.ExtTriggerSel = ADC_EXT_TRIGGER_SEL_PWM0;
xc_adc_init(&adc_cfg);
while(1)
{
xc_adc_start_get_value( ADC_CH5_PIN1 ,&adc_val);
if(adc_cfg.RefVol == ADC_REF_VOL_3_3V)
{
integer = ((adc_val)*ADV_REF_VOLT_3_3V*100)/(1.0*4096)/100;
decimal = ((uint32_t)((adc_val*ADV_REF_VOLT_3_3V*100)/4096)%100);
DEBUG("3.3v ref adc_vol=%d.%02d ,adc_val=%d\n", integer, decimal,adc_val);
}
else if(adc_cfg.RefVol == ADC_REF_VOL_2_48V)
{
after_calibrat_adc_val = adc_val *adc_2v48_param/10000;
integer = ((adc_val)*ADV_REF_VOLT_2_4_8V*100)/(1.0*4096)/100;
decimal = ((uint32_t)((adc_val*ADV_REF_VOLT_2_4_8V*100)/4096)%100);
DEBUG("2.48v ref adc_vol=%d.%02d ,adc_val=%d\n", integer, decimal,adc_val);
integer = ((after_calibrat_adc_val)*ADV_REF_VOLT_2_4_8V*100)/(1.0*4096)/100;
decimal = ((uint32_t)((after_calibrat_adc_val*ADV_REF_VOLT_2_4_8V*100)/4096)%100);
DEBUG("after_calibrat 2.48v ref adc_vol=%d.%02d ,adc_val=%d\n", integer, decimal,after_calibrat_adc_val);
}
delay_ms(1000);
}
}
project/example/driver/adc/app/src/main.c
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/*!
* \file main.c
*
* \brief Target main implementation
*
* \copyright Revised BSD License, see section \ref LICENSE.
*
* \code
*
* _ __ _ ________ _
* | |/ /(_)___ / ____/ /_ (_)___
* | // / __ \/ / / __ \/ / __ \
* / |/ / / / / /___/ / / / / /_/ /
* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
* /_/
* (C) 2022-2025 XinChip
*
* \endcode
*
* \author ( XinChip ) Alex-J
*
* \author ( XinChip )
*/
/*-----------------------------------------------------------------------------------
INCLUDE HEADE FILES
------------------------------------------------------------------------------------*/
#include "main.h"
/*------------------------------------------------------------------------------------
Macros
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Global Variables
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Func Prototype
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Functions
-------------------------------------------------------------------------------------*/
void flash_init()
{
uint32_t mid = 0;
uint32_t flash_size;
uint16_t flash_type;
xc_fmc_spi_init_oprt( );
xc_fmc_spi_flash_wake_up( );
xc_fmc_spi_flash_rdid((uint8_t*)&mid);
printf("Flash RDID: 0x%08x\n", mid);
uint8_t ruid[16];
xc_fmc_spi_flash_ruid(ruid);
printf("Flash RUID11: ");
for(int i = 0;i < 16;i++)
{
printf("%02x ", ruid[i]);
}
printf("\n");
#if (PLF_NVDS)
if(false == flash_size_and_type_get(&flash_size, &flash_type))
{
printf("Flash Memory size Get ERROR ! ");
while(1);
}
nvds_space_init(flash_size);
#endif
}
/**
**************************************************************************************
* @brief app_uart_init
* @details uart init , For debugging
* @param void
* @retval void
***************************************************************************************
*/
void app_uart_init(void)
{
GPIO_InitCfg_t gpio_cfg = {0};
gpio_cfg.Mux = GPIO_Mux0;
gpio_cfg.Pull = GPIO_PULLUP;
gpio_cfg.Int = NOT_INT;
gpio_cfg.FunSel = UART0_TX;
gpio_cfg.Pin = GPIO_18;
gpio_cfg.Dir = GPIO_DIR_OUTPUT;
xc_gpio_init(&gpio_cfg);
gpio_cfg.FunSel = UART0_RX;
gpio_cfg.Pin = GPIO_19;
gpio_cfg.Dir = GPIO_DIR_INPUT;
xc_gpio_init(&gpio_cfg);
UART_InitCfg_t uart_cfg = {0};
uart_cfg.Parity = UART_PARITY_DISABLE;
uart_cfg.StopBits = UART_STOP_1_BITS;
uart_cfg.WordLength = UART_DATA_8_BITS;
uart_cfg.BaudRate = UART_BAUDRATE_115200;
uart_cfg.HardwareFlowControl = UART_HWFC_DISABLE;
xc_uart_init(UART0_IDX, &uart_cfg);
}
/**
**************************************************************************************
* @brief clock_init
* @details Example Initialize the system clock
* @param void
* @retval void
***************************************************************************************
*/
void clock_init(void)
{
CLOCK_InitCfg_t clock_cfg;
clock_cfg.hfclk_src = CLOCK_HFCLK_SRC_XTAL; //Source clock selection
clock_cfg.hfclk_in = CLOCK_HFCLK_IN_32M; //system clock selection
clock_cfg.lfclk_src = CLOCK_LFCLK_SRC_RC; //Internal 32K clock or external 32K clock
if (clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_XTAL) {
clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32768;
} else if (clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_RC) {
clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32K;
}
xc_clock_init_cfg(&clock_cfg);
SysTick_Config(xc_clock_hfclk_in_get() / 100);
SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
}
int main(void)
{
/* system clock init */
clock_init();
/* uart init */
app_uart_init();
flash_init();
/* rc32k clock calibration */
xc_rc32k_calib_by_hw();
/* ADC DEMO */
adc_demo();
while (1) {
/* main loop */
;
}
}