![](/media/cache/profiles/ed277964a8959e72a0d987e598dfbe72.50x50_q85.jpg)
update to suppress warning of "last line of file ends without a newline"
Diff: main.cpp
- Revision:
- 0:d65648cc3923
- Child:
- 2:e58648ee9d04
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Feb 25 06:51:30 2015 +0000 @@ -0,0 +1,61 @@ +#include "mbed.h" + +#include "PCA9955A.h" +PCA9955A led_cntlr( p28, p27, 0x02 ); // SDA, SCL, Slave_address(option) + +#define GRADATION_PERIOD 6.0 + +int main() +{ + led_cntlr.gradation_group_setting( 0, 1 ); // Port 1 is assigned to group 0 + led_cntlr.gradation_group_setting( 0, 5 ); // Port 5 is assigned to group 0 + led_cntlr.gradation_group_setting( 0, 9 ); // Port 9 is assigned to group 0 + led_cntlr.gradation_group_setting( 0, 13 ); // Port 13 is assigned to group 0 + led_cntlr.gradation_group_setting( 1, 2 ); // Port 2 is assigned to group 1 + led_cntlr.gradation_group_setting( 1, 6 ); // Port 6 is assigned to group 1 + led_cntlr.gradation_group_setting( 1, 10 ); // Port 10 is assigned to group 1 + led_cntlr.gradation_group_setting( 1, 14 ); // Port 14 is assigned to group 1 + led_cntlr.gradation_group_setting( 2, 3 ); // Port 3 is assigned to group 2 + led_cntlr.gradation_group_setting( 2, 7 ); // Port 7 is assigned to group 2 + led_cntlr.gradation_group_setting( 2, 11 ); // Port 11 is assigned to group 2 + led_cntlr.gradation_group_setting( 2, 15 ); // Port 15 is assigned to group 2 + // Port 0, 4, 8 and 12 are not assigned to any groups + // Group 3 has no assigned port + + // Making same gradation shape to group 0, 1 and 2 + // The gradation shape will be total 6 seconds cycle including 2 seconds LED-OFF + float cycle = + led_cntlr.gradation_ramp_setting( 0, GRADATION_PERIOD, HOLD_0_00_SEC, HOLD_2_00_SEC, RAMP_UP_DOWN ); + led_cntlr.gradation_ramp_setting( 1, GRADATION_PERIOD, HOLD_0_00_SEC, HOLD_2_00_SEC, RAMP_UP_DOWN ); + led_cntlr.gradation_ramp_setting( 2, GRADATION_PERIOD, HOLD_0_00_SEC, HOLD_2_00_SEC, RAMP_UP_DOWN ); + + // Start group 0 + led_cntlr.gradation_start( 0 ); + + // Start group 1 (after 1/3 cycle delay) + wait( cycle / 3.0 ); + led_cntlr.gradation_start( 1 ); + + // Start group 2 (after 1/3 cycle delay) + wait( cycle / 3.0 ); + led_cntlr.gradation_start( 2 ); + + // + // Now the gradation control for 3 groups are working + // + + // + // Next while loop perform manual control for Rest of ports (0, 4, 8 and 12). + // You will see the operation for manual controll ports will be stopped if the I2C line is removed. + // But it continues the gradation control if only power supply is available + // + while(1) { + for ( int i = 1; i <= 100; i++ ) { + led_cntlr.pwm( 0, (float)i / 100.0 ); + led_cntlr.pwm( 4, (float)i / 100.0 ); + led_cntlr.pwm( 8, (float)i / 100.0 ); + led_cntlr.pwm( 12, (float)i / 100.0 ); + wait( 0.01 ); + } + } +} \ No newline at end of file