Rev 1703 | Details | Compare with Previous | Last modification | View Log | SVN | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1703 | arune | 1 | |
| 2 | /*----------------------------------------------- |
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| 3 | * Inclusions |
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| 4 | * ---------------------------------------------*/ |
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| 5 | #include <avr/io.h> |
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| 6 | #include <stdio.h> |
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| 7 | #include <stdlib.h> |
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| 8 | |||
| 9 | #include <config.h> |
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| 10 | #include "PCA9634.h" |
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| 11 | #include <drivers/mcu/TWI_Master.h> |
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| 12 | |||
| 13 | /*----------------------------------------------- |
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| 14 | * Function Implementations |
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| 15 | * ---------------------------------------------*/ |
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| 16 | |||
| 17 | uint8_t pca9634_address; |
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| 18 | uint8_t pca9634_LEDOUT0=0; |
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| 19 | uint8_t pca9634_LEDOUT1=0; |
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| 20 | |||
| 21 | /*---------------------------------------------------------------------------*/ |
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| 22 | |||
| 23 | void pca9634_init(uint8_t address) |
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| 24 | { |
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| 25 | unsigned char msgBuf[5]; |
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| 26 | TWI_Master_Initialise(); |
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| 27 | pca9634_address = address; |
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| 28 | /* init, MODE1.SLEEP shall be set to normal mode */ |
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| 29 | uint8_t data = PCA9634_MODE1_SLEEP|PCA9634_MODE1_SUB1|PCA9634_MODE1_SUB2|PCA9634_MODE1_SUB3|PCA9634_MODE1_ALL; |
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| 30 | |||
| 31 | msgBuf[0] = (pca9634_address<<TWI_ADR_BITS) | (FALSE<<TWI_READ_BIT); |
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| 32 | msgBuf[1] = PCA9634_REG_MODE1; |
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| 33 | msgBuf[2] = data; |
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| 34 | TWI_Start_Read_Write( msgBuf, 3 ); |
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| 35 | while ( TWI_Transceiver_Busy() ); |
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| 36 | } |
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| 37 | |||
| 38 | /*---------------------------------------------------------------------------*/ |
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| 39 | |||
| 40 | void pca9634_setDuty(uint8_t id, uint8_t step) |
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| 41 | { |
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| 42 | /* set register PWM[id] to step */ |
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| 43 | if (id < 8) |
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| 44 | { |
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| 45 | unsigned char msgBuf[5]; |
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| 46 | msgBuf[0] = (pca9634_address<<TWI_ADR_BITS) | (FALSE<<TWI_READ_BIT); |
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| 47 | msgBuf[1] = PCA9634_REG_PWM0+id; |
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| 48 | msgBuf[2] = step; |
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| 49 | TWI_Start_Read_Write( msgBuf, 3 ); |
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| 50 | while ( TWI_Transceiver_Busy() ); |
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| 51 | } |
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| 52 | } |
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| 53 | |||
| 54 | /*---------------------------------------------------------------------------*/ |
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| 55 | |||
| 56 | void pca9634_setOpMode(uint8_t id, pca9634_OpMode_t mode) |
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| 57 | { |
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| 58 | if (id < 8) |
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| 59 | { |
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| 60 | unsigned char msgBuf[5]; |
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| 61 | /* */ |
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| 62 | uint8_t reg; |
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| 1711 | arune | 63 | uint8_t shift = (id&0b11)<<1; |
| 1703 | arune | 64 | uint8_t data; |
| 65 | if (id < 4) |
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| 66 | { |
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| 67 | reg = PCA9634_REG_LEDOUT0; |
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| 68 | pca9634_LEDOUT0 = pca9634_LEDOUT0|(mode<<shift); |
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| 69 | data = pca9634_LEDOUT0; |
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| 70 | } |
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| 71 | else if (id < 8) |
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| 72 | { |
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| 73 | reg = PCA9634_REG_LEDOUT1; |
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| 74 | pca9634_LEDOUT1 = pca9634_LEDOUT1|(mode<<shift); |
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| 75 | data = pca9634_LEDOUT1; |
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| 76 | } |
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| 77 | |||
| 78 | msgBuf[0] = (pca9634_address<<TWI_ADR_BITS) | (FALSE<<TWI_READ_BIT); |
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| 79 | msgBuf[1] = reg; |
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| 80 | msgBuf[2] = data; |
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| 81 | TWI_Start_Read_Write( msgBuf, 3 ); |
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| 82 | while ( TWI_Transceiver_Busy() ); |
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| 83 | } |
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| 84 | } |
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| 85 |