hulk/xlsw_3dp_LDC1612
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yelvlab 2024-12-06 17:51:11 +08:00
parent 16767ae172
commit 138fc45e27
6 changed files with 303 additions and 44 deletions
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9
cmake/toolchain.cmake
View File

@ -91,9 +91,12 @@ set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m23 -mfloat-abi=soft -mthumb -mthumb-in
# Conditional flags
# DEBUG
set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
#set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
#set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
#set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
# RELEASE
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O3") # -flto

20
inc/LDC1612.h
View File

@ -22,7 +22,19 @@
#define I2C_TIME_OUT (uint16_t)(10000)
#define LDC_I2C I2C0
#define I2C_SPEED 100000
#define I2C_SPEED 400000
typedef enum {
I2C_START = 0,
I2C_SEND_ADDRESS,
I2C_CLEAR_ADDRESS_FLAG,
I2C_TRANSMIT_DATA,
I2C_STOP
} i2c_process_enum;
#define I2C_OK 1
#define I2C_FAIL 0
#define I2C_END 1
#define RCU_IR_GPIO RCU_GPIOF
#define RCU_I2C RCU_I2C0
@ -32,7 +44,7 @@
#define I2C_SDA_PIN GPIO_PIN_0
#define I2C_GPIO_AF GPIO_AF_1
#define LDC1612_ADDR (0x2A << 1)
#define LDC1612_ADDR (0x2B << 1)
// LDC1612 寄存器地址
#define RCOUNT0_ADDR 0x08
@ -49,6 +61,10 @@ void LDC1612_Init(void);
int LDC1612_read_reg(uint8_t device_address, uint8_t reg_address, uint8_t *data, uint16_t length);
int i2c_write_reg(uint8_t device_address, uint8_t *data);
uint8_t eeprom_byte_write_timeout(uint8_t device_address, uint8_t *data);
void I2C_Scan(void);
int LDC_getID(void);
#endif //LDC1612_H

4
sdk/CMSIS/src/system_gd32e23x.c
View File

@ -45,9 +45,9 @@
/* select a system clock by uncommenting the following line */
//#define __SYSTEM_CLOCK_8M_HXTAL (__HXTAL)
//#define __SYSTEM_CLOCK_8M_IRC8M (__IRC8M)
#define __SYSTEM_CLOCK_8M_IRC8M (__IRC8M)
// #define __SYSTEM_CLOCK_72M_PLL_HXTAL (uint32_t)(72000000)
#define __SYSTEM_CLOCK_72M_PLL_IRC8M_DIV2 (uint32_t)(72000000)
// #define __SYSTEM_CLOCK_72M_PLL_IRC8M_DIV2 (uint32_t)(72000000)
#define RCU_MODIFY(__delay) do{ \
volatile uint32_t i; \

289
src/LDC1612.c
View File

@ -17,7 +17,7 @@ void led_config(void)
timer_parameter_struct timer_initpara;
timer_struct_para_init(&timer_initpara);
timer_initpara.prescaler = 7199;
timer_initpara.prescaler = 799;
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 999;
@ -29,7 +29,7 @@ void led_config(void)
timer_enable(LED_TIMER);
nvic_irq_enable(LED_IRQ, 0);
nvic_irq_enable(LED_IRQ, 2);
}
@ -70,10 +70,11 @@ int i2c_write_reg(uint8_t device_address, uint8_t *data)
{
uint32_t timeout = 0;
printf("debug tag- 0\r\n");
// 生成起始条件
// 确保 I2C 总线空闲
while (i2c_flag_get(LDC_I2C, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT))
timeout++;
if (timeout >= I2C_TIME_OUT) {
printf("debug tag- 1-\r\n");
return -1; // 超时返回错误
}
i2c_start_on_bus(LDC_I2C);
@ -91,7 +92,7 @@ int i2c_write_reg(uint8_t device_address, uint8_t *data)
printf("debug tag- 2\r\n");
// 等待地址发送完成
while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
while (!i2c_flag_get(LDC_I2C, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
timeout++;
if (timeout >= I2C_TIME_OUT) {
printf("debug tag- 3-\r\n");
@ -101,12 +102,6 @@ int i2c_write_reg(uint8_t device_address, uint8_t *data)
timeout = 0;
printf("debug tag- 3\r\n");
// 发送寄存器地址
while (!i2c_flag_get(LDC_I2C, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT))
timeout++;
if (timeout >= I2C_TIME_OUT) {
return -1; // 超时返回错误
}
// 发送寄存器地址和数据
for (int i = 0; i < 3; i++) {
while (!i2c_flag_get(LDC_I2C, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT))
@ -129,16 +124,154 @@ int i2c_write_reg(uint8_t device_address, uint8_t *data)
i2c_stop_on_bus(LDC_I2C);
timeout = 0;
while (i2c_flag_get(LDC_I2C, I2C_FLAG_STPDET) && (timeout < I2C_TIME_OUT))
// 确保停止条件已发送完成
while (i2c_flag_get(LDC_I2C, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT))
timeout++;
if (timeout >= I2C_TIME_OUT) {
return -1; // 超时返回错误
}
printf("test info");
printf("test info\r\n");
return 0;
}
uint8_t eeprom_byte_write_timeout(uint8_t device_address, uint8_t *data)
{
uint8_t state = I2C_START;
uint16_t timeout = 0;
uint8_t i2c_timeout_flag = 0;
/* enable acknowledge */
i2c_ack_config(LDC_I2C, I2C_ACK_ENABLE);
while(!(i2c_timeout_flag)) {
switch(state) {
case I2C_START:
/* i2c master sends start signal only when the bus is idle */
while(i2c_flag_get(LDC_I2C, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
i2c_start_on_bus(LDC_I2C);
timeout = 0;
state = I2C_SEND_ADDRESS;
} else {
timeout = 0;
state = I2C_START;
printf("i2c bus is busy in WRITE BYTE!\n");
}
break;
case I2C_SEND_ADDRESS:
/* i2c master sends START signal successfully */
while((!i2c_flag_get(LDC_I2C, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
i2c_master_addressing(LDC_I2C, device_address, I2C_TRANSMITTER);
timeout = 0;
state = I2C_CLEAR_ADDRESS_FLAG;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master sends start signal timeout in WRITE BYTE!\n");
}
break;
case I2C_CLEAR_ADDRESS_FLAG:
/* address flag set means i2c slave sends ACK */
while((!i2c_flag_get(LDC_I2C, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
i2c_flag_clear(LDC_I2C, I2C_FLAG_ADDSEND);
timeout = 0;
state = I2C_TRANSMIT_DATA;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master clears address flag timeout in WRITE BYTE!\n");
}
break;
case I2C_TRANSMIT_DATA:
/* wait until the transmit data buffer is empty */
while((!i2c_flag_get(LDC_I2C, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
/* send the EEPROM's internal address to write to : only one byte address */
i2c_data_transmit(LDC_I2C, data[0]);
timeout = 0;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master sends data timeout in WRITE BYTE!\n");
}
/* wait until BTC bit is set */
while((!i2c_flag_get(LDC_I2C, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
/* send the EEPROM's internal address to write to : only one byte address */
i2c_data_transmit(LDC_I2C, data[1]);
timeout = 0;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master sends data timeout in WRITE 1 BYTE!\n");
}
/* wait until BTC bit is set */
while((!i2c_flag_get(LDC_I2C, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
/* send the EEPROM's internal address to write to : only one byte address */
i2c_data_transmit(LDC_I2C, data[2]);
timeout = 0;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master sends data timeout in WRITE 2 BYTE!\n");
}
/* wait until BTC bit is set */
while((!i2c_flag_get(LDC_I2C, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
state = I2C_STOP;
timeout = 0;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master sends data timeout in WRITE BYTE!\n");
}
break;
case I2C_STOP:
/* send a stop condition to I2C bus */
i2c_stop_on_bus(LDC_I2C);
/* i2c master sends STOP signal successfully */
while((I2C_CTL0(LDC_I2C) & I2C_CTL0_STOP) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if(timeout < I2C_TIME_OUT) {
timeout = 0;
state = I2C_END;
i2c_timeout_flag = I2C_OK;
} else {
timeout = 0;
state = I2C_START;
printf("i2c master sends stop signal timeout in WRITE BYTE!\n");
}
break;
default:
state = I2C_START;
i2c_timeout_flag = I2C_OK;
timeout = 0;
printf("i2c master sends start signal in WRITE BYTE.\n");
break;
}
}
return I2C_END;
}
void LDC1612_Init(void) {
uint8_t RCOUNT0_ALL[3]={RCOUNT0_ADDR,0x05,0x36};//csdn
uint8_t SETTLECOUNT0_ALL[3]={SETTLECOUNT0_ADDR,0x00,0x0a};
@ -148,18 +281,25 @@ void LDC1612_Init(void) {
uint8_t DRIVE_CURRENT0_ALL[3]={DRIVE_CURRENT0_ADDR,0x90,0x00};
uint8_t CONFIG_ALL[3]={CONFIG_ADDR,0x14,0x01};//csdn
LDC1612_I2CConfig();
// LDC1612_I2CConfig();
int ret = i2c_write_reg(LDC1612_ADDR, RCOUNT0_ALL);
printf("ret:%d\r\n",ret);
// i2c_write_reg(LDC1612_ADDR, RCOUNT0_ALL);
// i2c_write_reg(LDC1612_ADDR, SETTLECOUNT0_ALL);
// i2c_write_reg(LDC1612_ADDR, CLOCK_DIVIDERS0_ALL);
// i2c_write_reg(LDC1612_ADDR, ERROR_CONFIG_ALL);
// i2c_write_reg(LDC1612_ADDR, MUX_CONFIG_ALL);
// i2c_write_reg(LDC1612_ADDR, DRIVE_CURRENT0_ALL);
// i2c_write_reg(LDC1612_ADDR, CONFIG_ALL);
// int ret = i2c_write_reg(LDC1612_ADDR, RCOUNT0_ALL);
//
// printf("ret:%d\r\n",ret);
i2c_write_reg(LDC1612_ADDR, RCOUNT0_ALL);
// eeprom_byte_write_timeout(LDC1612_ADDR, SETTLECOUNT0_ALL);
delay_ms(100);
i2c_write_reg(LDC1612_ADDR, SETTLECOUNT0_ALL);
delay_ms(100);
// i2c_write_reg(LDC1612_ADDR, CLOCK_DIVIDERS0_ALL);
// delay_ms(100);
// i2c_write_reg(LDC1612_ADDR, ERROR_CONFIG_ALL);
// delay_ms(100);
// i2c_write_reg(LDC1612_ADDR, MUX_CONFIG_ALL);
// delay_ms(100);
// i2c_write_reg(LDC1612_ADDR, DRIVE_CURRENT0_ALL);
// delay_ms(100);
// i2c_write_reg(LDC1612_ADDR, CONFIG_ALL);
}
/**
@ -313,3 +453,106 @@ void I2C_Scan(void) {
printf("Total %d I2C devices found.\r\n", found_devices);
}
}
int LDC_getID(void) {
uint8_t data[2] = {0};
uint16_t timeout = 0;
i2c_ack_config(I2C0, I2C_ACK_ENABLE);
while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) //判断IIC总线是否忙，发送起始信号
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_start_on_bus(I2C0);
timeout = 0;
} else {
printf("err\r\n");
return -4101; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) //判断起始位是否发送，设置sensor地址并设置为写
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_master_addressing(I2C0, (0x2B << 1), I2C_TRANSMITTER);
timeout = 0;
} else {
return -4102; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
timeout = 0;
} else {
return -4103; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT)) //判断地址是否发送完成，然后发送寄存器地址
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_data_transmit(I2C0, 0x7f);
timeout = 0;
// i2c_start_on_bus(IR_I2C);
} else {
return -4104; // 超时返回错误
}
while (i2c_flag_get(I2C0, I2C_FLAG_BTC) && (timeout < I2C_TIME_OUT)) //判断发送缓冲器是否为空，为空后（发送完毕）重新发送开始信号
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_start_on_bus(I2C0);
timeout = 0;
} else {
return -4105; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
i2c_master_addressing(I2C0, (0x2B << 1), I2C_RECEIVER);
timeout = 0;
} else {
return -4106; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
timeout = 0;
} else {
return -4107; // 超时返回错误
}
// 读取第一个字节的数据
while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
data[0] = i2c_data_receive(I2C0);
timeout = 0;
} else {
return -4108; // 超时返回错误
}
i2c_ack_config(I2C0, I2C_ACK_DISABLE);
// 读取第二个字节的数据
while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
data[1] = i2c_data_receive(I2C0);
timeout = 0;
} else {
return -4109; // 超时返回错误
}
i2c_stop_on_bus(I2C0);
printf("device id:%x %x\r\n",data[0],data[1]);
return 0;
}

8
src/RS485.c
View File

@ -4,12 +4,6 @@
#include "RS485.h"
#define MAX_CMD_SIZE 16
#define BUFSIZE 8
extern uint16_t g_distance_uint16;
extern uint16_t g_temperature_uint16;
void RS485_config(void) {
rcu_periph_clock_enable(RS485_GPIO_RCU);
rcu_periph_clock_enable(RS485_RCU);
@ -40,10 +34,8 @@ void RS485_config(void) {
void process_command(char *cmd) {
if (strncmp(cmd, "M1", 2) == 0) {
printf("M1 -=-=- OK!\r\n");
printf("Distance: %d\r\n", g_distance_uint16);
} else if (strncmp(cmd, "M2", 2) == 0) {
printf("M2 -=-=- OK!\r\n");
printf("Temperature: %d\r\n", g_temperature_uint16);
// } else if (strncmp(cmd, "M3", 2) == 0) {
// char *param_str = cmd + 2; // Skip "M3"
// int param = atoi(param_str + 1); // Skip "S" and convert to integer

17
src/main.c
View File

@ -35,19 +35,24 @@ int main(void)
LDC1612_I2CConfig();
// LDC1612_Init();
I2C_Scan();
// I2C_Scan();
int ret = 0;
ret = LDC_getID();
printf("ret:%d\r\n",ret);
uint8_t data[8] = {0};
uint8_t data[2] = {0};
uint32_t value = 0;
while(1){
// LDC1612_read_reg(LDC1612_ADDR, 0x00, data, 2);
// LDC1612_read_reg(LDC1612_ADDR, 0x7f, data, 2);
// printf("msb:%x %x\r\n",data[0],data[1]);
// LDC1612_read_reg(LDC1612_ADDR, 0x01, data, 2);
// printf("msb:%x %x\r\n",data[0],data[1]);
// printf("hello world!\r\n");
delay_ms(5000);
// LDC1612_Init();
// LDC1612_read_reg(LDC1612_ADDR, 0x01, data, 2);
delay_ms(1000);
}
}