hulk/xlsw_3dp_LDC1612
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clean shit

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This commit is contained in:
yelvlab 2024-12-29 22:59:07 +08:00
parent 444804efe4
commit 0ebe9c5d16
15 changed files with 104 additions and 131 deletions
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1
CMakeLists.txt
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@ -30,6 +30,7 @@ set(TARGET_C_SRC
${CMAKE_SOURCE_DIR}/src/led.c
${CMAKE_SOURCE_DIR}/src/i2c.c
${CMAKE_SOURCE_DIR}/src/soft_i2c.c
${CMAKE_SOURCE_DIR}/src/fwdgt.c
)
add_executable(xlsw_3dp_LDC1612 ${TARGET_C_SRC})

24
inc/board_config.h
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@ -11,14 +11,13 @@
/******************************************************************************/
#define I2C_SPEED 20000
#define RCU_GPIO_I2C RCU_GPIOF
#define RCU_I2C RCU_I2C0
#define I2C_SCL_PORT GPIOF
#define I2C_SCL_PIN GPIO_PIN_1
#define I2C_SDA_PORT GPIOF
#define I2C_SDA_PIN GPIO_PIN_0
#define I2C_GPIO_AF GPIO_AF_1
#define RCU_GPIO_I2C RCU_GPIOF
#define RCU_I2C RCU_I2C0
#define I2C_SCL_PORT GPIOF
#define I2C_SCL_PIN GPIO_PIN_1
#define I2C_SDA_PORT GPIOF
#define I2C_SDA_PIN GPIO_PIN_0
#define I2C_GPIO_AF GPIO_AF_1
/******************************************************************************/
@ -33,4 +32,13 @@
/******************************************************************************/
#define LED_PORT GPIOA
#define LED_PIN GPIO_PIN_7
#define LED_RCU RCU_GPIOA
#define LED_BLINK_TIMER_RCU RCU_TIMER16
#define LED_BLINK_TIMER TIMER16
#define LED_BLINK_IRQ TIMER16_IRQn
/******************************************************************************/
#endif //BOARD_CONFIG_H

15
inc/fwdgt.h Normal file
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@ -0,0 +1,15 @@
//
// Created by yelv1 on 24-12-29.
//
#ifndef FWDGT_H
#define FWDGT_H
#include "gd32e23x.h"
#include "board_config.h"
void watchdog_init(void);
void fwdgt_reset_mcu(void);
#endif //FWDGT_H

8
inc/i2c.h
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@ -19,13 +19,7 @@
/******************************************************************************/
#define I2C_SCL_HIGH() gpio_bit_set(I2C_SCL_PORT, I2C_SCL_PIN)
#define I2C_SCL_LOW() gpio_bit_reset(I2C_SCL_PORT, I2C_SCL_PIN)
#define I2C_SDA_HIGH() gpio_bit_set(I2C_SDA_PORT, I2C_SDA_PIN)
#define I2C_SDA_LOW() gpio_bit_reset(I2C_SDA_PORT, I2C_SDA_PIN)
#define I2C_SDA_READ() gpio_input_bit_get(I2C_SDA_PORT, I2C_SDA_PIN)
/******************************************************************************/
#define I2C_SPEED 20000
#define I2C_TIME_OUT (uint16_t)(5000)
#define I2C_OK 1

19
inc/led.h
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@ -6,24 +6,7 @@
#define LED_H
#include "gd32e23x_it.h"
#include "gd32e23x.h"
#include "systick.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/******************************************************************************/
#define LED_PORT GPIOA
#define LED_PIN GPIO_PIN_7
#define LED_RCU RCU_GPIOA
#define LED_TIMER_RCU RCU_TIMER16
#define LED_TIMER TIMER16
#define LED_IRQ TIMER16_IRQn
/******************************************************************************/
#include "board_config.h"
void led_config(void);

19
inc/main.h
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@ -35,10 +35,21 @@ OF SUCH DAMAGE.
#ifndef MAIN_H
#define MAIN_H
// #define DEBUG_VERBOES
#include <stdio.h>
#include "gd32e23x.h"
#include "systick.h"
#include "gd32e23x_libopt.h"
#include "rs485.h"
#include "led.h"
#include "i2c.h"
#include "ldc1612.h"
#include "fwdgt.h"
#include "board_config.h"
void watchdog_init(void);
void reset_mcu(void);
#ifdef SOFTWARE_IIC
#include "soft_i2c.h"
#else
#include "i2c.h"
#endif
#endif /* MAIN_H */

18
inc/rs485.h
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@ -8,25 +8,11 @@
#include "gd32e23x_it.h"
#include "gd32e23x.h"
#include "systick.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include "i2c.h"
#include "ldc1612.h"
#include "tmp112.h"
/******************************************************************************/
#define RS485_RCU RCU_USART0
#define RS485_GPIO_RCU RCU_GPIOA
#define RS485_GPIO_PORT GPIOA
#define RS485_TX_PIN GPIO_PIN_2
#define RS485_RX_PIN GPIO_PIN_3
#define RS485_PHY USART0
#define RS485_BAUDRATE 115200U
#define RS485_EN_PIN GPIO_PIN_1
#include "fwdgt.h"
#include "board_config.h"
/******************************************************************************/

8
inc/tmp112.h
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@ -7,12 +7,6 @@
#include "gd32e23x_it.h"
#include "gd32e23x.h"
#include "systick.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "board_config.h"
@ -28,6 +22,8 @@
/******************************************************************************/
#define TMP112A_TEMP_REG 0x00
uint32_t tmp112a_get_raw_channel_result(void);
#endif //TMP112_H

28
src/fwdgt.c Normal file
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@ -0,0 +1,28 @@
//
// Created by yelv1 on 24-12-29.
//
#include "fwdgt.h"
void watchdog_init(void) {
/* Enable the LSI clock */
rcu_osci_on(RCU_IRC40K);
rcu_osci_stab_wait(RCU_IRC40K);
/* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
/* Enable FWDGT */
fwdgt_enable();
}
void fwdgt_reset_mcu(void) {
/* Enable the write access to the FWDGT_CTL register */
FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
/* Configure FWDGT to trigger a system reset */
fwdgt_config(50, FWDGT_PSC_DIV4);
/* Reload the counter to trigger the reset */
fwdgt_counter_reload();
}

8
src/gd32e23x_it.c
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@ -103,15 +103,15 @@ void SysTick_Handler(void) {
* @retval None
*/
void TIMER16_IRQHandler(void) {
if (timer_interrupt_flag_get(LED_TIMER, TIMER_INT_FLAG_UP) == SET) {
timer_interrupt_flag_clear(LED_TIMER, TIMER_INT_FLAG_UP);
if (timer_interrupt_flag_get(LED_BLINK_TIMER, TIMER_INT_FLAG_UP) == SET) {
timer_interrupt_flag_clear(LED_BLINK_TIMER, TIMER_INT_FLAG_UP);
static uint8_t led_status = 0;
if (led_status) {
gpio_bit_write(LED_PORT, LED_PIN, RESET);
timer_autoreload_value_config(LED_TIMER, 19200);
timer_autoreload_value_config(LED_BLINK_TIMER, 19200);
} else {
gpio_bit_write(LED_PORT, LED_PIN, SET);
timer_autoreload_value_config(LED_TIMER, 800);
timer_autoreload_value_config(LED_BLINK_TIMER, 800);
}
led_status = !led_status;
}

14
src/led.c
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@ -11,8 +11,8 @@ void led_config(void) {
gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN);
gpio_bit_write(LED_PORT, LED_PIN, SET);
rcu_periph_clock_enable(LED_TIMER_RCU);
timer_deinit(LED_TIMER);
rcu_periph_clock_enable(LED_BLINK_TIMER_RCU);
timer_deinit(LED_BLINK_TIMER);
timer_parameter_struct timer_initpara;
timer_struct_para_init(&timer_initpara);
@ -21,12 +21,12 @@ void led_config(void) {
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 9999;
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_init(LED_TIMER, &timer_initpara);
timer_init(LED_BLINK_TIMER, &timer_initpara);
timer_auto_reload_shadow_enable(LED_TIMER);
timer_interrupt_enable(LED_TIMER, TIMER_INT_UP);
timer_auto_reload_shadow_enable(LED_BLINK_TIMER);
timer_interrupt_enable(LED_BLINK_TIMER, TIMER_INT_UP);
timer_enable(LED_TIMER);
timer_enable(LED_BLINK_TIMER);
nvic_irq_enable(LED_IRQ, 2);
nvic_irq_enable(LED_BLINK_IRQ, 2);
}

38
src/main.c
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@ -5,44 +5,6 @@
\version 2024-02-22, V2.1.0, firmware for GD32E23x
*/
#include "main.h"
#include <stdio.h>
#include "gd32e23x.h"
#include "systick.h"
#include "gd32e23x_libopt.h"
#include "rs485.h"
#include "led.h"
#include "i2c.h"
#include "ldc1612.h"
#include "board_config.h"
#ifdef SOFTWARE_IIC
#include "soft_i2c.h"
#else
#include "i2c.h"
#endif
void watchdog_init(void) {
/* Enable the LSI clock */
rcu_osci_on(RCU_IRC40K);
rcu_osci_stab_wait(RCU_IRC40K);
/* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
/* Enable FWDGT */
fwdgt_enable();
}
void reset_mcu(void) {
/* Enable the write access to the FWDGT_CTL register */
FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
/* Configure FWDGT to trigger a system reset */
fwdgt_config(50, FWDGT_PSC_DIV4);
/* Reload the counter to trigger the reset */
fwdgt_counter_reload();
}
/*!
\brief main function

2
src/rs485.c
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@ -56,7 +56,7 @@ void process_command(uint8_t *cmd, size_t length) {
} else if (strcmp(combined_str, "M3") == 0)
{
printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
reset_mcu();
fwdgt_reset_mcu();
} else {
printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
return;

29
src/soft_i2c.c
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@ -13,7 +13,7 @@
void soft_i2c_delay(void) {
delay_us(20); // Adjust delay as needed
/* delay to freq
* 20KHz: delay_us(20);
* 15KHz: delay_us(20);
* 65KHz: delay_us(1);
*/
}
@ -44,15 +44,12 @@ void soft_i2c_config(void) {
\retval none
*/
void soft_i2c_start(void) {
// sda_out();
I2C_SDA_HIGH();
I2C_SCL_HIGH();
soft_i2c_delay();
I2C_SDA_LOW();
soft_i2c_delay();
I2C_SCL_LOW();
// soft_i2c_delay();
// 从全高开始，SCL为高期间，SDA下降沿表示start信号，再拉低SCL
}
/*!
@ -69,7 +66,6 @@ void soft_i2c_stop(void) {
I2C_SCL_HIGH();
soft_i2c_delay();
I2C_SDA_HIGH();
// 从全低开始，SCL为高期间，SDA上升沿表示stop
}
/*!
@ -87,7 +83,6 @@ void soft_i2c_send_ack(void) {
I2C_SCL_LOW();
soft_i2c_delay();
I2C_SDA_HIGH();
// SCL产生一个正常的时钟周期，其间SDA始终为低电平，表示ACK
}
/*!
@ -97,7 +92,6 @@ void soft_i2c_send_ack(void) {
\retval none
*/
void soft_i2c_send_nack(void) {
// sda_out();
I2C_SDA_HIGH();
soft_i2c_delay();
I2C_SCL_HIGH();
@ -105,7 +99,6 @@ void soft_i2c_send_nack(void) {
I2C_SCL_LOW();
soft_i2c_delay();
I2C_SDA_HIGH();
// SCL产生一个正常的时钟周期，其间SDA始终为高电平，表示NACK
}
/*!
@ -115,13 +108,11 @@ void soft_i2c_send_nack(void) {
\retval 0: ACK received, 1: ACK not received
*/
uint8_t soft_i2c_wait_ack(void) {
// sda_in();
I2C_SDA_HIGH();
soft_i2c_delay();
I2C_SCL_HIGH();
soft_i2c_delay();
uint8_t ack = !I2C_SDA_READ();
//ACK信号是第九个时钟期间，SDA被从机在SCL高期间，拉低并保持低电平。此处判断SDA是否被拉低，被拉低则返回0，取反为1，表示收到ACK
I2C_SCL_LOW();
return ack;
}
@ -135,19 +126,18 @@ uint8_t soft_i2c_wait_ack(void) {
void soft_i2c_send_byte(uint8_t byte) {
// sda_out();
for (int i = 0; i < 8; i++) {
if (byte & 0x80) { //通过&操作获取第一位是1还是0
I2C_SDA_HIGH(); //SCL低电平期间，SDA高电平表示1
if (byte & 0x80) {
I2C_SDA_HIGH();
} else {
I2C_SDA_LOW(); //SCL低电平期间，SDA低电平表示0
I2C_SDA_LOW();
}
byte <<= 1; //左移一位，把原本第二位的数据移到第一位，再判断高低电平
byte <<= 1;
soft_i2c_delay();
I2C_SCL_HIGH(); //SCL拉高电平，SDA电平状态保持不变
I2C_SCL_HIGH();
soft_i2c_delay();
I2C_SCL_LOW();
soft_i2c_delay();
I2C_SCL_LOW(); //SCL拉低电平
delay_us(5);
}
// i2c_wait_ack();
}
/*!
@ -157,9 +147,8 @@ void soft_i2c_send_byte(uint8_t byte) {
\retval received byte
*/
uint8_t soft_i2c_receive_byte(uint8_t ack) {
// sda_in();
uint8_t byte = 0;
I2C_SDA_HIGH(); //从高开始
I2C_SDA_HIGH();
for (int i = 0; i < 8; i++) {
byte <<= 1;
I2C_SCL_HIGH();

4
src/tmp112.c
View File

@ -11,9 +11,9 @@ uint32_t tmp112a_get_raw_channel_result(void) {
// ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value);
#ifdef SOFTWARE_IIC
soft_i2c_read_16bits(TMP112A_ADDR, 0x00, value);
soft_i2c_read_16bits(TMP112A_ADDR, TMP112A_TEMP_REG, value);
#else
i2c_read_16bits(TMP112A_ADDR, 0x00, value);
i2c_read_16bits(TMP112A_ADDR, TMP112A_TEMP_REG, value);
#endif
raw_value = ((uint16_t) (value[0] << 4) | (value[1]>>4));