Diff: vl53l0x_i2c_platform.cpp

Revision:

0:e6fcdb78a136

Child:

1:5f79559961c7

diff -r 000000000000 -r e6fcdb78a136 vl53l0x_i2c_platform.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vl53l0x_i2c_platform.cpp	Tue Aug 23 05:14:05 2016 +0000
@@ -0,0 +1,137 @@
+#include "mbed.h"
+#include "vl53l0x_i2c_platform.h"
+#include "vl53l0x_platform.h"
+
+I2C i2c(I2C_SDA, I2C_SCL);
+
+int VL53L0X_scan( void )
+{
+	int Status;
+	int i;
+	char cmd[2];
+	cmd[0]=0x01;
+	cmd[1]=0x00;
+	i2c.frequency(100000);
+	for (i = 0; i<0xFF; i++)
+	{
+		cmd[0]=i;
+		Status = i2c.write(i, cmd, 1);
+		if (Status == 0)
+			break;
+	}
+	return i;
+}
+
+int32_t VL53L0X_write_multi(uint8_t address, uint8_t index, uint8_t  *pdata, int32_t count)
+{
+	int Status;
+	char data[count+1];
+	data[0]=index;
+	for (int i = 1; i< count+1; i++)
+	{
+		data[i]=pdata[i-1];
+	}
+	Status = i2c.write(address, data, count+1);
+	return Status;
+}
+
+int32_t VL53L0X_read_multi(uint8_t address,  uint8_t index, uint8_t  *pdata, int32_t count)
+{
+	int Status;
+	char cmd[1];
+	char data[count];
+	cmd[0]=index;
+	Status = i2c.write(address, cmd, 1);
+	Status = i2c.read(address, data, count);
+	for (int i = 0; i< count; i++)
+	{
+		pdata[i] = data[i];
+	}
+	return Status;
+}
+
+int32_t VL53L0X_write_byte(uint8_t address,  uint8_t index, uint8_t   data)
+{
+	int Status;
+	char cmd[2];
+	cmd[0]=index;
+	cmd[1]=data;
+	Status = i2c.write(address, cmd, 2);
+	return Status;
+}
+
+int32_t VL53L0X_write_word(uint8_t address,  uint8_t index, uint16_t  data)
+{
+	int Status;
+	char cmd[2];
+	char ind;
+	ind = index;
+	cmd[1]=data>>0&0xFF;
+	cmd[0]=data>>8&0xFF;
+	Status = i2c.write(address, &ind, 1);
+	Status |= i2c.write(address, cmd, 2);
+	return Status;
+}
+
+int32_t VL53L0X_write_dword(uint8_t address, uint8_t index, uint32_t  data)
+{
+	int Status;
+	char cmd[4];
+	char ind;
+	ind = index;
+	cmd[3]=data>>0&0xFF;
+	cmd[2]=data>>8&0xFF;
+	cmd[1]=data>>16&0xFF;
+	cmd[0]=data>>24&0xFF;
+	Status = i2c.write(address, &ind, 1);
+	Status |= i2c.write(address, cmd, 4);
+	return Status;
+}
+
+int32_t VL53L0X_read_byte(uint8_t address,  uint8_t index, uint8_t  *pdata)
+{
+	int Status;
+	char data;
+	char cmd[1];
+	cmd[0]=index;
+	Status = i2c.write(address, cmd, 1);
+	Status |= i2c.read(address, &data, 1);
+	*pdata = data;
+	return Status;
+}
+
+int32_t VL53L0X_read_word(uint8_t address,  uint8_t index, uint16_t *pdata)
+{
+	int Status;
+	uint16_t tmp;
+	char data[2];
+	char cmd[1];
+	tmp=0;
+	cmd[0]=index;
+	Status = i2c.write(address, cmd, 1);
+	Status |= i2c.read(address, data, 2);
+	tmp |= data[1]<<0;
+	tmp |= data[0]<<8;
+	*pdata = tmp;
+	return Status;	
+}
+
+int32_t VL53L0X_read_dword(uint8_t address, uint8_t index, uint32_t *pdata)
+{
+	int Status;
+	uint32_t tmp;
+	char data[4];
+	char cmd[1];
+	tmp=0;
+	cmd[0]=index;
+	Status = i2c.write(address, cmd, 1);
+	Status |= i2c.read(address, data, 4);
+	tmp |= data[3]<<0;
+	tmp |= data[2]<<8;
+	tmp |= data[1]<<16;
+	tmp |= data[0]<<24;
+	*pdata=tmp;
+	return Status;	
+}
+
+