cjmcu.h

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#ifndef CONFIG_CJMCU_H
#define CONFIG_CJMCU_H

#define BOARD_CJMCU

/* CJMCU has a 8MHz external clock and 72MHz internal. */
#define EXT_CLK 8000000
#define AHB_CLK 72000000

/*
 * Onboard LEDs
 */

/* green */
#ifndef USE_LED_1
#define USE_LED_1 1
#endif
#define LED_1_GPIO GPIOC
#define LED_1_GPIO_PIN GPIO13
#define LED_1_GPIO_ON gpio_clear
#define LED_1_GPIO_OFF gpio_set
#define LED_1_AFIO_REMAP ((void)0)

/* red */
#ifndef USE_LED_2
#define USE_LED_2 1
#endif
#define LED_2_GPIO GPIOC
#define LED_2_GPIO_PIN GPIO14
#define LED_2_GPIO_ON gpio_clear
#define LED_2_GPIO_OFF gpio_set
#define LED_2_AFIO_REMAP ((void)0)

/* blue */
#ifndef USE_LED_3
#define USE_LED_3 1
#endif
#define LED_3_GPIO GPIOC
#define LED_3_GPIO_PIN GPIO15
#define LED_3_GPIO_ON gpio_clear
#define LED_3_GPIO_OFF gpio_set
#define LED_3_AFIO_REMAP ((void)0)



/* Default actuators driver */
#define DEFAULT_ACTUATORS "subsystems/actuators/actuators_pwm.h"
#define ActuatorDefaultSet(_x,_y) ActuatorPwmSet(_x,_y)
#define ActuatorsDefaultInit() ActuatorsPwmInit()
#define ActuatorsDefaultCommit() ActuatorsPwmCommit()


/*
 * ADC
 */

// Internal ADC for battery on PA2 enabled by default
#ifndef USE_ADC_1
#define USE_ADC_1 1
#endif
#if USE_ADC_1
#define AD1_1_CHANNEL 2
#define ADC_1 AD1_1
#define ADC_1_GPIO_PORT GPIOA
#define ADC_1_GPIO_PIN GPIO2
#endif

/* allow to define ADC_CHANNEL_VSUPPLY in the airframe file*/
#ifndef ADC_CHANNEL_VSUPPLY
#define ADC_CHANNEL_VSUPPLY ADC_1
#endif

/* 10k/2k resistor divider, 6 * 3.3V / 4096 */
#define DefaultVoltageOfAdc(adc) (0.0049*adc)
//#define DefaultVoltageOfAdc(adc) (4)

/*
 * UART pin configuration
 *
 * sets on which pins the UARTs are connected
 */
/* DIAG port */
#define UART1_GPIO_AF 0
#define UART1_GPIO_PORT_RX GPIO_BANK_USART1_RX
#define UART1_GPIO_RX GPIO_USART1_RX
#define UART1_GPIO_PORT_TX GPIO_BANK_USART1_TX
#define UART1_GPIO_TX GPIO_USART1_TX

/* GPS */
#define UART3_GPIO_AF 0
#define UART3_GPIO_PORT_RX GPIO_BANK_USART3_RX
#define UART3_GPIO_RX GPIO_USART3_RX
#define UART3_GPIO_PORT_TX GPIO_BANK_USART3_TX
#define UART3_GPIO_TX GPIO_USART3_TX

/* LED1 & LED2 */
/*
#define UART3_GPIO_AF AFIO_MAPR_USART3_REMAP_PARTIAL_REMAP
#define UART3_GPIO_PORT_RX GPIO_BANK_USART3_PR_RX
#define UART3_GPIO_RX GPIO_USART3_PR_RX
#define UART3_GPIO_PORT_TX GPIO_BANK_USART3_PR_TX
#define UART3_GPIO_TX GPIO_USART3_PR_TX
*/

/*
 * Spektrum (none)
 */

/* PPM
 */

/*
 * Default is PPM config 1, input on PA0
 */

#ifndef PPM_CONFIG
#define PPM_CONFIG 1
#endif


#if PPM_CONFIG == 1
/* input on PA0  */
#define USE_PPM_TIM2 1
#define PPM_CHANNEL         TIM_IC1
#define PPM_TIMER_INPUT     TIM_IC_IN_TI1
#define PPM_IRQ             NVIC_TIM2_IRQ
// Capture/Compare InteruptEnable and InterruptFlag
#define PPM_CC_IE           TIM_DIER_CC1IE
#define PPM_CC_IF           TIM_SR_CC1IF
#define PPM_GPIO_PORT       GPIOA
#define PPM_GPIO_PIN        GPIO0
#define PPM_GPIO_AF         0

// Move default ADC timer
#if USE_AD_TIM2
#undef USE_AD_TIM2
#endif
#define USE_AD_TIM1 1

#elif PPM_CONFIG == 2
/* input on PA1 */
#define USE_PPM_TIM2 1
#define PPM_CHANNEL         TIM_IC2
#define PPM_TIMER_INPUT     TIM_IC_IN_TI2
#define PPM_IRQ             NVIC_TIM2_IRQ
// Capture/Compare InteruptEnable and InterruptFlag
#define PPM_CC_IE           TIM_DIER_CC2IE
#define PPM_CC_IF           TIM_SR_CC2IF
#define PPM_GPIO_PORT       GPIOA
#define PPM_GPIO_PIN        GPIO1
#define PPM_GPIO_AF         0

// Move default ADC timer
#if USE_AD_TIM2
#undef USE_AD_TIM2
#endif
#define USE_AD_TIM1 1

#elif PPM_CONFIG == 3
/* input on PA3 */
#define USE_PPM_TIM2 1
#define PPM_CHANNEL         TIM_IC4
#define PPM_TIMER_INPUT     TIM_IC_IN_TI2
#define PPM_IRQ             NVIC_TIM2_IRQ
// Capture/Compare InteruptEnable and InterruptFlag
#define PPM_CC_IE           TIM_DIER_CC4IE
#define PPM_CC_IF           TIM_SR_CC4IF
#define PPM_GPIO_PORT       GPIOA
#define PPM_GPIO_PIN        GPIO3
#define PPM_GPIO_AF         0

// Move default ADC timer
#if USE_AD_TIM2
#undef USE_AD_TIM2
#endif
#define USE_AD_TIM1 1

#else
#error "Unknown PPM config"

#endif // PPM_CONFIG

/*
 * I2C
 *
 */
#define I2C1_GPIO_PORT GPIOB
#define I2C1_GPIO_SCL GPIO6
#define I2C1_GPIO_SDA GPIO7

/* GPS TX & RX */
#define I2C2_GPIO_PORT GPIOB
#define I2C2_GPIO_SCL GPIO10
#define I2C2_GPIO_SDA GPIO11

/*
 * PWM
 *
 */
#define PWM_USE_TIM4 1
#define PWM_USE_TIM3 1

#define USE_PWM1 1
#define USE_PWM2 1
#define USE_PWM3 1
#define USE_PWM4 1

/* PWM_SERVO_x is the index of the servo in the actuators_pwm_values array */
#if USE_PWM1
#define PWM_SERVO_1 0
#define PWM_SERVO_1_TIMER TIM4
#define PWM_SERVO_1_GPIO GPIOB
#define PWM_SERVO_1_PIN GPIO8
#define PWM_SERVO_1_AF 0
#define PWM_SERVO_1_OC TIM_OC3
#define PWM_SERVO_1_OC_BIT (1<<2)
#else
#define PWM_SERVO_1_OC_BIT 0
#endif

#if USE_PWM2
#define PWM_SERVO_2 1
#define PWM_SERVO_2_TIMER TIM4
#define PWM_SERVO_2_GPIO GPIOB
#define PWM_SERVO_2_PIN GPIO9
#define PWM_SERVO_2_AF 0
#define PWM_SERVO_2_OC TIM_OC4
#define PWM_SERVO_2_OC_BIT (1<<3)
#else
#define PWM_SERVO_2_OC_BIT 0
#endif

#if USE_PWM3
#define PWM_SERVO_3 2
#define PWM_SERVO_3_TIMER TIM3
#define PWM_SERVO_3_GPIO GPIOB
#define PWM_SERVO_3_PIN GPIO0
#define PWM_SERVO_3_AF 0
#define PWM_SERVO_3_OC TIM_OC3
#define PWM_SERVO_3_OC_BIT (1<<2)
#else
#define PWM_SERVO_3_OC_BIT 0
#endif

#if USE_PWM4
#define PWM_SERVO_4 3
#define PWM_SERVO_4_TIMER TIM3
#define PWM_SERVO_4_GPIO GPIOB
#define PWM_SERVO_4_PIN GPIO1
#define PWM_SERVO_4_AF 0
#define PWM_SERVO_4_OC TIM_OC4
#define PWM_SERVO_4_OC_BIT (1<<3)
#else
#define PWM_SERVO_4_OC_BIT 0
#endif



/* servos 1-2 on TIM4 */
#define PWM_TIM4_CHAN_MASK (PWM_SERVO_1_OC_BIT|PWM_SERVO_2_OC_BIT)
/* servos 3-4 on TIM3 */
#define PWM_TIM3_CHAN_MASK (PWM_SERVO_3_OC_BIT|PWM_SERVO_4_OC_BIT)


#endif /* CONFIG_CJMCU_H */