generated from hulk/gd32e23x_template
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6 Commits
e0b9aab103
...
main
Author | SHA1 | Date | |
---|---|---|---|
d6f3ea33b1 | |||
de94a72f72 | |||
44cf0426e5 | |||
c90ecf05f9 | |||
38849856af | |||
f508a7cd2d |
@@ -94,9 +94,12 @@ set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m23 -mfloat-abi=soft -mthumb -mthumb-in
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#set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
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#set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
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#set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -O0 -g")
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set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
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set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
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set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
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set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -O2 -g")
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set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -O2 -g")
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set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -O2 -g")
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#set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
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#set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
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#set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG=0 -Os -g")
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# RELEASE
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set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O3") # -flto
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@@ -57,8 +57,8 @@ typedef enum {
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void I2C_config(void);
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void I2C_scan(void);
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uint8_t IIC_read_16bit(uint8_t reg, uint16_t *value);
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void LDC1612_read_sensor_infomation(void);
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int LDC1612_IIC_read_16bits(void);
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@@ -43,5 +43,7 @@ OF SUCH DAMAGE.
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#define LED_IRQ TIMER16_IRQn
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void led_config(void);
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void iicSendData(void);
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void iicReceiveData(void);
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#endif /* MAIN_H */
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@@ -1,5 +1,5 @@
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# 连接cmsis-dap(喝粥)
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; interface cmsis-dap
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interface cmsis-dap
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source [find interface/cmsis-dap.cfg]
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# 选择SWD
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@@ -7,3 +7,8 @@ transport select swd
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# 加载gd32e23x.cfg
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source [find target/gd32e23x.cfg]
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; set CHIPNAME gd32e23x
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;
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; reset_config srst_only
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adapter speed 500
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162
src/LDC1612.c
162
src/LDC1612.c
@@ -26,18 +26,24 @@ void I2C_config(void) {
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i2c_ack_config(I2C0, I2C_ACK_ENABLE);
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}
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void LDC1612_Init(void) {
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uint8_t RCOUNT0_ALL[3]={SET_CONVERSION_TIME_REG_START,0x05,0x36};//csdn
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uint8_t SETTLECOUNT0_ALL[3]={SET_LC_STABILIZE_REG_START,0x00,0x0a};
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uint8_t CLOCK_DIVIDERS0_ALL[3]={SET_FREQ_REG_START,0x10,0x02};
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uint8_t ERROR_CONFIG_ALL[3]={ERROR_CONFIG_REG,0x00,0x00};
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uint8_t MUX_CONFIG_ALL[3]={MUL_CONFIG_REG,0x82,0x0c};
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uint8_t DRIVE_CURRENT0_ALL[3]={SET_DRIVER_CURRENT_REG,0x90,0x00};
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uint8_t CONFIG_ALL[3]={SENSOR_CONFIG_REG,0x14,0x01};//csdn
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}
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// void LDC1612_Init(void) {
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// uint8_t RCOUNT0_ALL[3]={SET_CONVERSION_TIME_REG_START,0x05,0x36};//csdn
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// uint8_t SETTLECOUNT0_ALL[3]={SET_LC_STABILIZE_REG_START,0x00,0x0a};
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// uint8_t CLOCK_DIVIDERS0_ALL[3]={SET_FREQ_REG_START,0x10,0x02};
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// uint8_t ERROR_CONFIG_ALL[3]={ERROR_CONFIG_REG,0x00,0x00};
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// uint8_t MUX_CONFIG_ALL[3]={MUL_CONFIG_REG,0x82,0x0c};
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// uint8_t DRIVE_CURRENT0_ALL[3]={SET_DRIVER_CURRENT_REG,0x90,0x00};
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// uint8_t CONFIG_ALL[3]={SENSOR_CONFIG_REG,0x14,0x01};//csdn
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//
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// }
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/**
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* @brief 扫描I2C总线,查找连接的设备
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*
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* 该函数会扫描I2C总线上的所有地址(1到126),并尝试与每个地址进行通信。
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* 如果在某个地址上发现了设备,则会打印出该设备的地址。
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* 最后会打印出找到的设备总数。
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*/
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void I2C_scan(void) {
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uint32_t timeout;
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uint8_t address;
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@@ -91,99 +97,105 @@ void I2C_scan(void) {
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}
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}
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/**
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* @brief 读取16位I2C数据,带有超时机制
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* @param reg: 要读取的寄存器地址
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* @param value: 存储读取数据的指针
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* @retval 0: 成功,1: 超时
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*/
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uint8_t IIC_read_16bit(uint8_t reg, uint16_t *value) {
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uint32_t timeout = 0;
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int LDC1612_IIC_read_16bits(void) {
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uint8_t data[2] = {0};
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uint16_t raw_temp = 0;
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uint16_t timeout = 0;
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i2c_ack_config(I2C0, I2C_ACK_ENABLE);
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// 发送启动信号
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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
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timeout++;
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if (timeout < I2C_TIME_OUT) {
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i2c_start_on_bus(I2C0);
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) {
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if ((timeout++) > I2C_TIME_OUT) return 1; // 超时
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} else {
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printf("err\r\n");
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return -1; // 超时返回错误
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}
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// 发送从设备地址和写信号
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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
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timeout++;
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if (timeout < I2C_TIME_OUT) {
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i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER);
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) {
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if ((timeout++) > I2C_TIME_OUT) return 2; // 超时
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} else {
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return -2; // 超时返回错误
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}
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while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
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timeout++;
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if (timeout < I2C_TIME_OUT) {
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i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
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// 发送寄存器地址
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i2c_data_transmit(I2C0, reg);
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_TBE)) {
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if ((timeout++) > I2C_TIME_OUT) return 3; // 超时
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} else {
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return -3; // 超时返回错误
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}
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// 重新启动信号
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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
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timeout++;
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if (timeout < I2C_TIME_OUT) {
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i2c_data_transmit(I2C0, READ_DEVICE_ID);
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timeout = 0;
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// i2c_start_on_bus(I2C0);
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} else {
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return -4; // 超时返回错误
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}
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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
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timeout++;
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if (timeout < I2C_TIME_OUT) {
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i2c_start_on_bus(I2C0);
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) {
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if ((timeout++) > I2C_TIME_OUT) return 4; // 超时
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} else {
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return -5; // 超时返回错误
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}
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printf("test1\n");
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// 发送从设备地址和读信号
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while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) {
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timeout++;
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}
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if (timeout < I2C_TIME_OUT) {
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i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_RECEIVER);
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) {
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if ((timeout++) > I2C_TIME_OUT) return 5; // 超时
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} else {
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return -6; // 超时返回错误
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}
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i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
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// 读取数据
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while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
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timeout++;
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if (timeout < I2C_TIME_OUT) {
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i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE)) {
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if ((timeout++) > I2C_TIME_OUT) return 6; // 超时
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} else {
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return -7; // 超时返回错误
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}
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// 读取第一个字节的数据
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) {
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timeout++;
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}
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if (timeout < I2C_TIME_OUT) {
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data[0] = i2c_data_receive(I2C0);
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timeout = 0;
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} else {
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return -8; // 超时返回错误
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}
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*value = i2c_data_receive(I2C0) << 8; // 读取高8位
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// i2c_ack_config(I2C0, I2C_ACK_DISABLE); // 关闭发送ACK,它会在下一个字节完成后发送NAK
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timeout = 0;
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE)) {
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if ((timeout++) > I2C_TIME_OUT) return 7; // 超时
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// 读取第二个字节的数据
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) {
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timeout++;
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}
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*value |= i2c_data_receive(I2C0); // 读取低8位
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// 发送停止信号
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i2c_stop_on_bus(I2C0);
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if (timeout < I2C_TIME_OUT) {
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data[1] = i2c_data_receive(I2C0);
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timeout = 0;
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return 0; // 成功
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}
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void LDC1612_read_sensor_infomation(void)
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{
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uint16_t device_id;
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uint16_t manufacturer_id;
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uint8_t result;
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// 读取设备ID
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result = IIC_read_16bit(READ_DEVICE_ID, &device_id);
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if (result == 0) {
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printf("Device ID: 0x%04X\n", device_id);
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} else {
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printf("Failed to read Device ID\n");
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printf("result: %d\n", result);
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return -9; // 超时返回错误
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}
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// result = IIC_read_16bit(READ_MANUFACTURER_ID, &manufacturer_id);
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//
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// if (result == 0) {
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// printf("manufacturer ID: 0x%04X\n", manufacturer_id);
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// } else {
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// printf("Failed to read manufacturer ID\n");
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// printf("result: %d\n", result);
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// }
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i2c_stop_on_bus(I2C0);
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printf("device id = %x\r\n", (data[0] <<8 | data[1]));
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return 0;
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}
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@@ -99,26 +99,6 @@ void SysTick_Handler(void)
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{
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}
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void TIMER13_IRQHandler(void)
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{
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if (timer_interrupt_flag_get(TIMER13, TIMER_INT_FLAG_UP) == SET)
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{
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timer_interrupt_flag_clear(TIMER13, TIMER_INT_FLAG_UP);
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static uint8_t led_status = 0;
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if (led_status)
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{
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//! turn on led & reconfig timer13 period to 19000(1900ms)
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gpio_bit_write(GPIOB, GPIO_PIN_1, RESET);
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timer_autoreload_value_config(TIMER13, 19200);
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} else {
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//! turn off led & reconfig timer13 period to 1000(100ms)
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gpio_bit_write(GPIOB, GPIO_PIN_1, SET);
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timer_autoreload_value_config(TIMER13, 800);
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}
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led_status = !led_status;
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}
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}
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/**
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* @brief This function handles TIMER5 interrupt request.
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* @param[in] none
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88
src/main.c
88
src/main.c
@@ -40,6 +40,51 @@ void led_config(void)
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nvic_irq_enable(LED_IRQ, 2);
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}
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void iicSendData(void)
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{
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while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY));
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i2c_start_on_bus(I2C0);
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printf("1\r\n");
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while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND));
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i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER);
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printf("2\r\n");
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while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND));
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i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
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printf("3\r\n");
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while (!i2c_flag_get(I2C0, I2C_FLAG_TBE));
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i2c_data_transmit(I2C0, 0x7E);
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printf("4\r\n");
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i2c_start_on_bus(I2C0);
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}
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void iicReceiveData(void)
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{
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uint16_t data[3] = {0};
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i2c_start_on_bus(I2C0);
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// i2c_stop_on_bus(I2C0);
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printf("5\r\n");
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while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND));
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i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_RECEIVER);
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printf("6\r\n");
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while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND));
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i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
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printf("7\r\n");
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i2c_ack_config(I2C0, I2C_ACK_DISABLE);
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE));
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data[0] = i2c_data_receive(I2C0);
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE));
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data[1] = i2c_data_receive(I2C0);
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while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE));
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data[2] = i2c_data_receive(I2C0);
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i2c_stop_on_bus(I2C0);
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i2c_ack_config(I2C0, I2C_ACK_ENABLE);
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printf("data[0] = %x\r\n", data[0]);
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printf("data[1] = %x\r\n", data[1]);
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printf("data[2] = %x\r\n", data[2]);
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}
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/*!
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\brief main function
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\param[in] none
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@@ -59,14 +104,53 @@ int main(void)
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printf("XLSW-3DP-LDC1612! V0.0.1\r\n");
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printf("\r\n");
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I2C_scan();
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LDC1612_read_sensor_infomation();
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// uint16_t data[3] = {0};
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// I2C_scan();
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delay_ms(1000);
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// while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY));
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// i2c_start_on_bus(I2C0);
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// printf("1\r\n");
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// while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND));
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// i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER);
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// printf("2\r\n");
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// while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND));
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// i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
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// printf("3\r\n");
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// while (!i2c_flag_get(I2C0, I2C_FLAG_TBE));
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// i2c_data_transmit(I2C0, 0x7E);
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// printf("4\r\n");
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// i2c_start_on_bus(I2C0);
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// // i2c_stop_on_bus(I2C0);
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// delay_ms(100);
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// i2c_start_on_bus(I2C0);
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// delay_ms(100);
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// i2c_stop_on_bus(I2C0);
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|
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// i2c_stop_on_bus(I2C0);
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// i2c_ack_config(I2C0, I2C_ACK_ENABLE);
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// iicSendData();
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// iicReceiveData();
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|
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int result = 0;
|
||||
result = LDC1612_IIC_read_16bits();
|
||||
printf("result = %d\r\n", result);
|
||||
|
||||
while(1){
|
||||
|
||||
|
||||
delay_ms(1000);
|
||||
printf("OK!!!\r\n");
|
||||
// iicSendData();
|
||||
|
||||
// i2c_flag_clear(I2C0, I2C_FLAG_I2CBSY);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
Reference in New Issue
Block a user