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First PWM draft, independent duty cycle for high and low channel should

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be done.
This commit is contained in:
Cristian Maglie
2011-12-07 00:22:03 +01:00
parent fdcb017d41
commit d07099d090
4 changed files with 199 additions and 157 deletions
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34
hardware/sam/variants/arduino_due/variant.h
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@@ -64,6 +64,10 @@
* Pins
*----------------------------------------------------------------------------*/
// Number of pins defined in PinDescription array
#define PINS_COUNT (84u)
// LEDs
#define PIN_LED_13 (13u)
#define PIN_LED_RXL (73u)
#define PIN_LED_TXL (74u)
@@ -71,6 +75,9 @@
#define PIN_LED2 PIN_LED_RXL
#define PIN_LED3 PIN_LED_TXL
/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 1
#define SPI_INTERFACE SPI
@@ -80,6 +87,14 @@
#define PIN_SPI_MISO (75u)
#define PIN_SPI_SCK (77u)
static const uint8_t SS = 4 ;
static const uint8_t MOSI = 76 ;
static const uint8_t MISO = 75 ;
static const uint8_t SCK = 77 ;
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 2
#define PIN_WIRE_SDA (20u)
@@ -94,17 +109,18 @@
#define WIRE1_INTERFACE_ID ID_TWI0
#define WIRE1_ISR_HANDLER TWI0_IrqHandler
/*
* UART/USART Interfaces
*/
#define PINS_UART (80u)
#define PINS_USART0 (81u)
#define PINS_USART1 (82u)
#define PINS_USART2 (83u)
static const uint8_t SS = 4 ;
static const uint8_t MOSI = 76 ;
static const uint8_t MISO = 75 ;
static const uint8_t SCK = 77 ;
/*
* Analog pins
*/
static const uint8_t A0 = 54;
static const uint8_t A1 = 55;
static const uint8_t A2 = 56;
@@ -122,6 +138,14 @@ static const uint8_t A13 = 67;
// static const uint8_t A14 = ;
// static const uint8_t A15 = ;
/*
* PWM
*/
#define PWM_INTERFACE PWM
#define PWM_FREQUENCY 1000
#define PWM_MAX_DUTY_CYCLE 255
#define PWM_MIN_DUTY_CYCLE 0
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/