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nuttx: Add basic PWM support for stm32f7 #1888

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Merged
merged 1 commit into from
Jun 3, 2019
Merged

nuttx: Add basic PWM support for stm32f7 #1888

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7 changes: 6 additions & 1 deletion src/modules/iotjs_module_stm32f7nucleo.c
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Expand Up @@ -19,7 +19,12 @@

jerry_value_t iotjs_init_stm32f7nucleo() {
jerry_value_t stm32f7nucleo = jerry_create_object();
/* Hardware support in progress, do initialization here */
/* Hardware support in progress, do initialization here */

#if defined(__NUTTX__)

iotjs_stm32f7nucleo_pin_initialize(stm32f7nucleo);

#endif
return stm32f7nucleo;
}
3 changes: 3 additions & 0 deletions src/modules/iotjs_module_stm32f7nucleo.h
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Expand Up @@ -17,4 +17,7 @@
#define IOTJS_MODULE_STM32F4DIS_H


void iotjs_stm32f7nucleo_pin_initialize(jerry_value_t jobj);


#endif /* IOTJS_MODULE_STM32F4DIS_H */
108 changes: 108 additions & 0 deletions src/modules/nuttx/iotjs_module_stm32f7nucleo-nuttx.c
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Expand Up @@ -15,8 +15,116 @@

#if defined(__NUTTX__) && (TARGET_BOARD == stm32f7nucleo)

#include "iotjs_systemio-nuttx.h"
#include "stm32_gpio.h"

#include "iotjs_def.h"
#include "modules/iotjs_module_stm32f7nucleo.h"

#if ENABLE_MODULE_GPIO

static void iotjs_pin_initialize_gpio(jerry_value_t jobj) {
// Set GPIO pin from configuration bits of nuttx.
// GPIO pin name is "P(port)(pin)".
#define SET_GPIO_CONSTANT(port, pin) \
iotjs_jval_set_property_number(jobj, "P" #port #pin, \
(GPIO_PORT##port | GPIO_PIN##pin));

#define SET_GPIO_CONSTANT_PORT(port) \
SET_GPIO_CONSTANT(port, 0); \
SET_GPIO_CONSTANT(port, 1); \
SET_GPIO_CONSTANT(port, 2); \
SET_GPIO_CONSTANT(port, 3); \
SET_GPIO_CONSTANT(port, 4); \
SET_GPIO_CONSTANT(port, 5); \
SET_GPIO_CONSTANT(port, 6); \
SET_GPIO_CONSTANT(port, 7); \
SET_GPIO_CONSTANT(port, 8); \
SET_GPIO_CONSTANT(port, 9); \
SET_GPIO_CONSTANT(port, 10); \
SET_GPIO_CONSTANT(port, 11); \
SET_GPIO_CONSTANT(port, 12); \
SET_GPIO_CONSTANT(port, 13); \
SET_GPIO_CONSTANT(port, 14); \
SET_GPIO_CONSTANT(port, 15);

SET_GPIO_CONSTANT_PORT(A);
SET_GPIO_CONSTANT_PORT(B);
SET_GPIO_CONSTANT_PORT(C);
SET_GPIO_CONSTANT_PORT(D);
SET_GPIO_CONSTANT_PORT(E);

SET_GPIO_CONSTANT(H, 0);
SET_GPIO_CONSTANT(H, 1);

#undef SET_GPIO_CONSTANT_PORT
#undef SET_GPIO_CONSTANT
}

#endif /* ENABLE_MODULE_GPIO */


#if ENABLE_MODULE_PWM

static void iotjs_pin_initialize_pwm(jerry_value_t jobj) {
unsigned int timer_bit;

// Set PWM pin from configuration bits of nuttx.
// PWM pin name is "PWM(timer).CH(channel)_(n)".
#define SET_GPIO_CONSTANT(timer, channel, order) \
timer_bit = (GPIO_TIM##timer##_CH##channel##OUT_##order); \
timer_bit |= (SYSIO_TIMER_NUMBER(timer)); \
iotjs_jval_set_property_number(jtim##timer, "CH" #channel "_" #order, \
timer_bit);

#define SET_GPIO_CONSTANT_CHANNEL(timer, channel) \
SET_GPIO_CONSTANT(timer, channel, 1);

#define SET_GPIO_CONSTANT_TIM(timer) \
jerry_value_t jtim##timer = jerry_create_object(); \
iotjs_jval_set_property_jval(jobj, "PWM" #timer, jtim##timer);


#define SET_GPIO_CONSTANT_TIM_1(timer) \
SET_GPIO_CONSTANT_TIM(timer); \
SET_GPIO_CONSTANT_CHANNEL(timer, 1);

SET_GPIO_CONSTANT_TIM_1(1);
jerry_release_value(jtim1);

SET_GPIO_CONSTANT_TIM_1(2);
jerry_release_value(jtim2);

SET_GPIO_CONSTANT_TIM_1(3);
jerry_release_value(jtim3);

SET_GPIO_CONSTANT_TIM_1(4);
jerry_release_value(jtim4);

#undef SET_GPIO_CONSTANT_TIM_1
#undef SET_GPIO_CONSTANT_TIM_2
#undef SET_GPIO_CONSTANT_TIM
#undef SET_GPIO_CONSTANT_CHANNEL
#undef SET_GPIO_CONSTANT
}

#endif /* ENABLE_MODULE_PWM */


void iotjs_stm32f7nucleo_pin_initialize(jerry_value_t jobj) {
jerry_value_t jpin = jerry_create_object();
iotjs_jval_set_property_jval(jobj, "pin", jpin);

#if ENABLE_MODULE_GPIO
iotjs_pin_initialize_gpio(jpin);
#endif /* ENABLE_MODULE_GPIO */

#if ENABLE_MODULE_PWM
iotjs_pin_initialize_pwm(jpin);
#endif /* ENABLE_MODULE_PWM */

jerry_release_value(jpin);
}


#endif // __NUTTX__