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boards/arduino-atmega: add mapping for Arduino PWM pins

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This commit is contained in:
Alexandre Abadie 2019-10-23 17:04:21 +02:00
parent 779e25bc7d
commit 65e0247a9b
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GPG Key ID: 1C919A403CAE1405
2 changed files with 31 additions and 1 deletions
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3
boards/common/arduino-atmega/Makefile.features
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@ -1,10 +1,11 @@
# Put defined MCU peripherals here (in alphabetical order) # Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_adc FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_spi FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer FEATURES_PROVIDED += periph_timer
FEATURES_PROVIDED += periph_uart FEATURES_PROVIDED += periph_uart
# Various other features (if any) # Various other features (if any)
FEATURES_PROVIDED += arduino FEATURES_PROVIDED += arduino
FEATURES_PROVIDED += periph_pwm FEATURES_PROVIDED += arduino_pwm

29
boards/common/arduino-atmega/include/arduino_board.h
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@ -23,6 +23,7 @@
#define ARDUINO_BOARD_H #define ARDUINO_BOARD_H
#include "arduino_pinmap.h" #include "arduino_pinmap.h"
#include "periph/pwm.h"
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
@ -141,6 +142,34 @@ static const adc_t arduino_analog_map[] = {
#endif #endif
}; };
/**
* @brief PWM frequency
*/
#define ARDUINO_PWM_FREQU (490U)
/**
* @brief List of PWM GPIO mappings
*/
static const arduino_pwm_t arduino_pwm_list[] = {
#if defined(CPU_ATMEGA2560)
{ .pin = 13, .dev = PWM_DEV(0), .chan = 0 },
{ .pin = 4, .dev = PWM_DEV(0), .chan = 1 },
#elif defined(CPU_ATMEGA32U4)
{ .pin = 11, .dev = PWM_DEV(0), .chan = 0 },
{ .pin = 3, .dev = PWM_DEV(0), .chan = 1 },
#else /* CPU_ATMEGA328p */
{ .pin = 6, .dev = PWM_DEV(0), .chan = 0 },
{ .pin = 5, .dev = PWM_DEV(0), .chan = 1 },
#endif
#if defined(CPU_ATMEGA2560)
{ .pin = 10, .dev = PWM_DEV(1), .chan = 0 },
{ .pin = 9, .dev = PWM_DEV(1), .chan = 1 },
#else /* CPU_ATMEGA328p */
{ .pin = 11, .dev = PWM_DEV(1), .chan = 0 },
{ .pin = 3, .dev = PWM_DEV(1), .chan = 1 },
#endif
};
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif