WebSVN – Code-Repo – Diff – /PIC Stuff/PIC_27J13/lux_TSL2561.c



        DBG_PRINT_LUX("%c ", buffer[i]);
    }
    DBG_PRINT_LUX("\r\n");
 
    // Set default integration time and gain
    LUX_Set_Timing(tsl2561_data_p->integration);
    LUX_Set_Gain(tsl2561_data_p->gain);
 
    // Start the chip in power-down mode
    LUX_Disable();
}
 
void LUX_Enable()  {
    LUX_Write_2_Bytes(TSL2561_COMMAND_BIT | TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWERON);
}
 
void LUX_Disable() {
    LUX_Write_2_Bytes(TSL2561_COMMAND_BIT | TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWEROFF);
}
 
void LUX_Set_Gain(tsl2561Gain_t gain) {
    LUX_Enable();
    tsl2561_data_p->gain = gain;
    LUX_Write_2_Bytes(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING,
            tsl2561_data_p->integration | tsl2561_data_p->gain);
    LUX_Disable();
}
 
void LUX_Set_Timing(tsl2561IntegrationTime_t integration) {
    LUX_Enable();
    tsl2561_data_p->integration = integration;
    LUX_Write_2_Bytes(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING,
            tsl2561_data_p->integration | tsl2561_data_p->gain);
    LUX_Disable();
}
 
unsigned long LUX_Calculate_Lux(unsigned int ch0, unsigned int ch1) {
    unsigned long chScale, channel0, channel1, ratio1, ratio, temp, lux;
    unsigned int b, m;
 
    switch (tsl2561_data_p->integration) {
        case TSL2561_INTEGRATIONTIME_13MS:

    lux = temp >> TSL2561_LUX_LUXSCALE;
 
    return lux;
}
 
unsigned long LUX_Get_Full_Luminosity() {
    unsigned long x;
 
    // Enable the device by setting the control bit to 0x03
    LUX_Enable();
 

            Delay10KTCYx(255);
            Delay10KTCYx(145);
            break;
    }
 
    x = LUX_Read_2_Bytes(TSL2561_COMMAND_BIT | TSL2561_WORD_BIT | TSL2561_REGISTER_CHAN1_LOW);
    x <<= 16;
    x |= LUX_Read_2_Bytes(TSL2561_COMMAND_BIT | TSL2561_WORD_BIT | TSL2561_REGISTER_CHAN0_LOW);
 
    LUX_Disable();
 
    return x;
}
 
unsigned int LUX_Get_Luminosity(unsigned char channel) {
    unsigned long x = LUX_Get_Full_Luminosity();
 
    if (channel == 0) {
        // Reads two byte value from channel 0 (visible + infrared)
        return (x & 0xFFFF);
    } else if (channel == 1) {

 
    // Unknown channel!
    return 0;
}
 
void LUX_Write_2_Bytes(unsigned char reg, unsigned char value) {
    unsigned char buffer[2], result;
    buffer[0] = reg;
    buffer[1] = value;
    I2C_Master_Send(tsl2561_data_p->address, 2, buffer);
    do {
        result = I2C_Get_Status();
    } while (!result);
}
 
unsigned int LUX_Read_2_Bytes(unsigned char reg) {
    unsigned char result, length, buffer[2];
    unsigned int ret;
 
    I2C_Master_Restart(tsl2561_data_p->address, reg, 2);
    do {

Rev 148	Rev 154
Line 31...	Line 31...
31	`DBG_PRINT_LUX("%c ", buffer[i]);`	31	`DBG_PRINT_LUX("%c ", buffer[i]);`
32	`}`	32	`}`
33	`DBG_PRINT_LUX("\r\n");`	33	`DBG_PRINT_LUX("\r\n");`
34		34
35	`// Set default integration time and gain`	35	`// Set default integration time and gain`
36	`LUX_SetTiming(tsl2561_data_p->integration);`	36	`LUX_Set_Timing(tsl2561_data_p->integration);`
37	`LUX_SetGain(tsl2561_data_p->gain);`	37	`LUX_Set_Gain(tsl2561_data_p->gain);`
38		38
39	`// Start the chip in power-down mode`	39	`// Start the chip in power-down mode`
40	`LUX_Disable();`	40	`LUX_Disable();`
41	`}`	41	`}`
42		42
43	`void LUX_Enable() {`	43	`void LUX_Enable() {`
44	`LUX_Write2Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWERON);`	44	`LUX_Write_2_Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWERON);`
45	`}`	45	`}`
46		46
47	`void LUX_Disable() {`	47	`void LUX_Disable() {`
48	`LUX_Write2Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWEROFF);`	48	`LUX_Write_2_Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWEROFF);`
49	`}`	49	`}`
50		50
51	`void LUX_SetGain(tsl2561Gain_t gain) {`	51	`void LUX_Set_Gain(tsl2561Gain_t gain) {`
52	`LUX_Enable();`	52	`LUX_Enable();`
53	`tsl2561_data_p->gain = gain;`	53	`tsl2561_data_p->gain = gain;`
54	`LUX_Write2Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_TIMING,`	54	`LUX_Write_2_Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_TIMING,`
55	`tsl2561_data_p->integration \| tsl2561_data_p->gain);`	55	`tsl2561_data_p->integration \| tsl2561_data_p->gain);`
56	`LUX_Disable();`	56	`LUX_Disable();`
57	`}`	57	`}`
58		58
59	`void LUX_SetTiming(tsl2561IntegrationTime_t integration) {`	59	`void LUX_Set_Timing(tsl2561IntegrationTime_t integration) {`
60	`LUX_Enable();`	60	`LUX_Enable();`
61	`tsl2561_data_p->integration = integration;`	61	`tsl2561_data_p->integration = integration;`
62	`LUX_Write2Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_TIMING,`	62	`LUX_Write_2_Bytes(TSL2561_COMMAND_BIT \| TSL2561_REGISTER_TIMING,`
63	`tsl2561_data_p->integration \| tsl2561_data_p->gain);`	63	`tsl2561_data_p->integration \| tsl2561_data_p->gain);`
64	`LUX_Disable();`	64	`LUX_Disable();`
65	`}`	65	`}`
66		66
67	`unsigned long LUX_CalculateLux(unsigned int ch0, unsigned int ch1) {`	67	`unsigned long LUX_Calculate_Lux(unsigned int ch0, unsigned int ch1) {`
68	`unsigned long chScale, channel0, channel1, ratio1, ratio, temp, lux;`	68	`unsigned long chScale, channel0, channel1, ratio1, ratio, temp, lux;`
69	`unsigned int b, m;`	69	`unsigned int b, m;`
70		70
71	`switch (tsl2561_data_p->integration) {`	71	`switch (tsl2561_data_p->integration) {`
72	`case TSL2561_INTEGRATIONTIME_13MS:`	72	`case TSL2561_INTEGRATIONTIME_13MS:`
Line 147...	Line 147...
147	`lux = temp >> TSL2561_LUX_LUXSCALE;`	147	`lux = temp >> TSL2561_LUX_LUXSCALE;`
148		148
149	`return lux;`	149	`return lux;`
150	`}`	150	`}`
151		151
152	`unsigned long LUX_GetFullLuminosity() {`	152	`unsigned long LUX_Get_Full_Luminosity() {`
153	`unsigned long x;`	153	`unsigned long x;`
154		154
155	`// Enable the device by setting the control bit to 0x03`	155	`// Enable the device by setting the control bit to 0x03`
156	`LUX_Enable();`	156	`LUX_Enable();`
157		157
Line 174...	Line 174...
174	`Delay10KTCYx(255);`	174	`Delay10KTCYx(255);`
175	`Delay10KTCYx(145);`	175	`Delay10KTCYx(145);`
176	`break;`	176	`break;`
177	`}`	177	`}`
178		178
179	`x = LUX_Read2Bytes(TSL2561_COMMAND_BIT \| TSL2561_WORD_BIT \| TSL2561_REGISTER_CHAN1_LOW);`	179	`x = LUX_Read_2_Bytes(TSL2561_COMMAND_BIT \| TSL2561_WORD_BIT \| TSL2561_REGISTER_CHAN1_LOW);`
180	`x <<= 16;`	180	`x <<= 16;`
181	`x \|= LUX_Read2Bytes(TSL2561_COMMAND_BIT \| TSL2561_WORD_BIT \| TSL2561_REGISTER_CHAN0_LOW);`	181	`x \|= LUX_Read_2_Bytes(TSL2561_COMMAND_BIT \| TSL2561_WORD_BIT \| TSL2561_REGISTER_CHAN0_LOW);`
182		182
183	`LUX_Disable();`	183	`LUX_Disable();`
184		184
185	`return x;`	185	`return x;`
186	`}`	186	`}`
187		187
188	`unsigned int LUX_GetLuminosity(unsigned char channel) {`	188	`unsigned int LUX_Get_Luminosity(unsigned char channel) {`
189	`unsigned long x = LUX_GetFullLuminosity();`	189	`unsigned long x = LUX_Get_Full_Luminosity();`
190		190
191	`if (channel == 0) {`	191	`if (channel == 0) {`
192	`// Reads two byte value from channel 0 (visible + infrared)`	192	`// Reads two byte value from channel 0 (visible + infrared)`
193	`return (x & 0xFFFF);`	193	`return (x & 0xFFFF);`
194	`} else if (channel == 1) {`	194	`} else if (channel == 1) {`
Line 201...	Line 201...
201		201
202	`// Unknown channel!`	202	`// Unknown channel!`
203	`return 0;`	203	`return 0;`
204	`}`	204	`}`
205		205
206	`void LUX_Write2Bytes(unsigned char reg, unsigned char value) {`	206	`void LUX_Write_2_Bytes(unsigned char reg, unsigned char value) {`
207	`unsigned char buffer[2], result;`	207	`unsigned char buffer[2], result;`
208	`buffer[0] = reg;`	208	`buffer[0] = reg;`
209	`buffer[1] = value;`	209	`buffer[1] = value;`
210	`I2C_Master_Send(tsl2561_data_p->address, 2, buffer);`	210	`I2C_Master_Send(tsl2561_data_p->address, 2, buffer);`
211	`do {`	211	`do {`
212	`result = I2C_Get_Status();`	212	`result = I2C_Get_Status();`
213	`} while (!result);`	213	`} while (!result);`
214	`}`	214	`}`
215		215
216	`unsigned int LUX_Read2Bytes(unsigned char reg) {`	216	`unsigned int LUX_Read_2_Bytes(unsigned char reg) {`
217	`unsigned char result, length, buffer[2];`	217	`unsigned char result, length, buffer[2];`
218	`unsigned int ret;`	218	`unsigned int ret;`
219		219
220	`I2C_Master_Restart(tsl2561_data_p->address, reg, 2);`	220	`I2C_Master_Restart(tsl2561_data_p->address, reg, 2);`
221	`do {`	221	`do {`

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(root)/PIC Stuff/PIC_27J13/lux_TSL2561.c @ 262 – Rev 148 → 154