5LEDDriver::LEDDriver( uint8_t n_ch, uint8_t PWM_r, uint8_t oe ) :
6 n_channel( n_ch ), reg_PWM( PWM_r ), oe_pin( oe ), bp( NULL )
10LEDDriver::~LEDDriver()
19 bp[ ch ] = (uint8_t)(value * 255.0);
22 reg_access( reg_PWM + ch, (uint8_t)(value * 255.0) );
29 for (
int i = 0; i < n_channel; i++ )
30 bp[ i ] = (uint8_t)(values[ i ] * 255.0);
33 uint8_t v[ n_channel ];
34 for (
int i = 0; i < n_channel; i++ )
35 v[ i ] = (uint8_t)(values[ i ] * 255.0);
37 reg_access( 0x80 | reg_PWM, v, n_channel );
44 reg_access( 0x80 | reg_PWM, bp, n_channel );
55 bp =
new uint8_t[ n_channel ];
56 for (
int i = 0; i < n_channel; i++ )
65PCA995x::PCA995x( uint8_t n_ch, uint8_t PWM_r, uint8_t IREF_r, uint8_t IREFALL_r,
const uint8_t* ar, uint8_t oe ) :
66 LEDDriver( n_ch, PWM_r, oe ), reg_IREF( IREF_r ), reg_IREFALL( IREFALL_r ), arp( ar )
76void PCA995x::begin(
float current, board env,
bool bflag )
81 pinMode( oe_pin, OUTPUT );
82 digitalWrite( oe_pin , 0 );
90 reg_access( reg_IREFALL, iref );
97PCA995x_I2C::PCA995x_I2C( uint8_t i2c_address, uint8_t n_ch, uint8_t PWM_r, uint8_t IREF_r, uint8_t IREFALL_r,
const uint8_t* ar, uint8_t oe ) :
98 PCA995x( n_ch, PWM_r, IREF_r, IREFALL_r, ar, oe ),
99 I2C_device( i2c_address )
105PCA995x_I2C::~PCA995x_I2C()
109void PCA995x_I2C::reg_access( uint8_t reg, uint8_t val )
111 write_r8( reg, val );
114void PCA995x_I2C::reg_access( uint8_t reg, uint8_t *vp,
int len )
116 reg_w( 0x80 | reg, vp, len );
119uint8_t PCA995x_I2C::reg_access( uint8_t reg )
121 return read_r8( reg );
124void PCA995x_I2C::reg_access_r( uint8_t reg, uint8_t *vp,
int len )
126 reg_r( 0x80 | reg, vp, len );
133PCA995x_SPI::PCA995x_SPI( uint8_t n_ch, uint8_t PWM_r, uint8_t IREF_r, uint8_t IREFALL_r,
const uint8_t* ar, uint8_t oe ) :
134 PCA995x( n_ch, PWM_r, IREF_r, IREFALL_r, ar, oe )
140PCA995x_SPI::~PCA995x_SPI()
144void PCA995x_SPI::txrx( uint8_t *data,
int size )
146 digitalWrite( SS, LOW );
147 SPI.transfer( data, size );
148 digitalWrite( SS, HIGH );
151void PCA995x_SPI::reg_access( uint8_t reg, uint8_t val )
153 uint8_t data[] = { (uint8_t)(reg << 1), val };
155 txrx( data,
sizeof( data ) );
158void PCA995x_SPI::reg_access( uint8_t reg, uint8_t *vp,
int len )
160 uint8_t data[ len * 2 ];
162 for (
int i = 0; i < len; i++ ) {
163 data[ i * 2 + 0 ] = (reg << 1) + (i * 2);
164 data[ i * 2 + 1 ] = vp[ i ];
167 for (
int i = 0; i < len * 2; i += 2 )
171uint8_t PCA995x_SPI::reg_access( uint8_t reg )
173 uint8_t data0[ 2 ] = { (uint8_t)((reg << 1) | 0x01), 0xFF };
174 uint8_t data1[ 2 ] = { 0xFF, 0xFF };
176 txrx( data0,
sizeof( data0 ) );
177 txrx( data1,
sizeof( data1 ) );
182void PCA995x_SPI::reg_access_r( uint8_t reg, uint8_t *vp,
int len )
184 for (
int i = 0; i < len; i++ ) {
185 *vp++ = reg_access( reg + i );
189void PCA995x_SPI::reg_w( uint8_t reg, uint8_t val )
191 reg_access( reg, val );
194void PCA995x_SPI::reg_w( uint8_t reg, uint8_t *vp,
int len )
196 reg_access( reg, vp, len );
199uint8_t PCA995x_SPI::reg_r( uint8_t reg )
201 return reg_access( reg );
204void PCA995x_SPI::reg_r( uint8_t reg, uint8_t *vp,
int len )
206 reg_access_r( reg, vp, len );
209void PCA995x_SPI::write_r8( uint8_t reg, uint8_t val )
214uint8_t PCA995x_SPI::read_r8( uint8_t reg )
221 write_r8( reg_IREFALL, iref );
224void PCA995x_SPI::pwm( uint8_t ch,
float value )
226 write_r8( reg_PWM + ch, (uint8_t)(value * 255.0) );
229void PCA995x_SPI::pwm(
float* values )
231 uint8_t v[ n_channel ];
232 for (
int i = 0; i < n_channel; i++ )
233 v[ i ] = (uint8_t)(values[ i ] * 255.0);
235 reg_w( reg_PWM, v, n_channel );
void pwm(uint8_t ch, float value)
void buffer_enable(bool flag)
void irefall(uint8_t iref)
void irefall(uint8_t iref)