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cc3200: Code clean-up on pybpin.

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This commit is contained in:
Daniel Campora 2015-07-01 19:36:57 +02:00
parent 4f8eeaedef
commit 7c1c9af5d4
2 changed files with 77 additions and 79 deletions
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151
cc3200/mods/pybpin.c
View File

@ -92,15 +92,17 @@
/******************************************************************************
DECLARE PRIVATE FUNCTIONS
******************************************************************************/
STATIC void pin_obj_configure (const pin_obj_t *self);
STATIC void pin_get_hibernate_pin_and_idx (const pin_obj_t *self, uint *wake_pin, uint *idx);
STATIC void pin_extint_enable (mp_obj_t self_in);
STATIC void pin_extint_disable (mp_obj_t self_in);
STATIC void pin_verify_af (uint af);
STATIC void pin_extint_register(pin_obj_t *self, uint32_t intmode, uint32_t priority);
STATIC void GPIOA0IntHandler (void);
STATIC void GPIOA1IntHandler (void);
STATIC void GPIOA2IntHandler (void);
STATIC void GPIOA3IntHandler (void);
STATIC void EXTI_Handler(uint port);
STATIC void pin_obj_configure (const pin_obj_t *self);
STATIC void pin_get_hibernate_pin_and_idx (const pin_obj_t *self, uint *wake_pin, uint *idx);
STATIC void pin_extint_enable (mp_obj_t self_in);
STATIC void pin_extint_disable (mp_obj_t self_in);
/******************************************************************************
DEFINE CONSTANTS
@ -159,12 +161,6 @@ pin_obj_t *pin_find(mp_obj_t user_obj) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
void pin_verify_af (uint af) {
if (af > PIN_MODE_15) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
}
void pin_config (pin_obj_t *self, uint af, uint mode, uint type, uint strength) {
// configure the pin in analog mode
self->af = af, self->mode = mode, self->type = type, self->strength = strength;
@ -175,37 +171,6 @@ void pin_config (pin_obj_t *self, uint af, uint mode, uint type, uint strength)
pybsleep_add ((const mp_obj_t)self, (WakeUpCB_t)pin_obj_configure);
}
void pin_extint_register(pin_obj_t *self, uint32_t intmode, uint32_t priority) {
void *handler;
uint32_t intnum;
// configure the interrupt type
MAP_GPIOIntTypeSet(self->port, self->bit, intmode);
switch (self->port) {
case GPIOA0_BASE:
handler = GPIOA0IntHandler;
intnum = INT_GPIOA0;
break;
case GPIOA1_BASE:
handler = GPIOA1IntHandler;
intnum = INT_GPIOA1;
break;
case GPIOA2_BASE:
handler = GPIOA2IntHandler;
intnum = INT_GPIOA2;
break;
case GPIOA3_BASE:
default:
handler = GPIOA3IntHandler;
intnum = INT_GPIOA3;
break;
}
MAP_GPIOIntRegister(self->port, handler);
// set the interrupt to the lowest priority, to make sure that
// no other ISRs will be preemted by this one
MAP_IntPrioritySet(intnum, priority);
}
/******************************************************************************
DEFINE PRIVATE FUNCTIONS
******************************************************************************/
@ -326,6 +291,77 @@ STATIC void pin_extint_disable (mp_obj_t self_in) {
MAP_GPIOIntDisable(self->port, self->bit);
}
STATIC void pin_verify_af (uint af) {
if (af > PIN_MODE_15) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
}
STATIC void pin_extint_register(pin_obj_t *self, uint32_t intmode, uint32_t priority) {
void *handler;
uint32_t intnum;
// configure the interrupt type
MAP_GPIOIntTypeSet(self->port, self->bit, intmode);
switch (self->port) {
case GPIOA0_BASE:
handler = GPIOA0IntHandler;
intnum = INT_GPIOA0;
break;
case GPIOA1_BASE:
handler = GPIOA1IntHandler;
intnum = INT_GPIOA1;
break;
case GPIOA2_BASE:
handler = GPIOA2IntHandler;
intnum = INT_GPIOA2;
break;
case GPIOA3_BASE:
default:
handler = GPIOA3IntHandler;
intnum = INT_GPIOA3;
break;
}
MAP_GPIOIntRegister(self->port, handler);
// set the interrupt to the lowest priority, to make sure that
// no other ISRs will be preemted by this one
MAP_IntPrioritySet(intnum, priority);
}
STATIC void GPIOA0IntHandler (void) {
EXTI_Handler(GPIOA0_BASE);
}
STATIC void GPIOA1IntHandler (void) {
EXTI_Handler(GPIOA1_BASE);
}
STATIC void GPIOA2IntHandler (void) {
EXTI_Handler(GPIOA2_BASE);
}
STATIC void GPIOA3IntHandler (void) {
EXTI_Handler(GPIOA3_BASE);
}
// common interrupt handler
STATIC void EXTI_Handler(uint port) {
uint32_t bits = MAP_GPIOIntStatus(port, true);
MAP_GPIOIntClear(port, bits);
// might be that we have more than one Pin interrupt pending
// therefore we must loop through all of the 8 possible bits
for (int i = 0; i < 8; i++) {
uint32_t bit = (1 << i);
if (bit & bits) {
pin_obj_t *self = (pin_obj_t *)pin_find_pin_by_port_bit(&pin_cpu_pins_locals_dict, port, bit);
mp_obj_t _callback = mpcallback_find(self);
mpcallback_handler(_callback);
}
}
}
/******************************************************************************/
// Micro Python bindings
@ -747,36 +783,3 @@ STATIC const mp_cb_methods_t pin_cb_methods = {
.disable = pin_extint_disable,
};
STATIC void GPIOA0IntHandler (void) {
EXTI_Handler(GPIOA0_BASE);
}
STATIC void GPIOA1IntHandler (void) {
EXTI_Handler(GPIOA1_BASE);
}
STATIC void GPIOA2IntHandler (void) {
EXTI_Handler(GPIOA2_BASE);
}
STATIC void GPIOA3IntHandler (void) {
EXTI_Handler(GPIOA3_BASE);
}
// common interrupt handler
STATIC void EXTI_Handler(uint port) {
uint32_t bits = MAP_GPIOIntStatus(port, true);
MAP_GPIOIntClear(port, bits);
// might be that we have more than one Pin interrupt pending
// therefore we must loop through all of the 8 possible bits
for (int i = 0; i < 8; i++) {
uint32_t bit = (1 << i);
if (bit & bits) {
pin_obj_t *self = (pin_obj_t *)pin_find_pin_by_port_bit(&pin_cpu_pins_locals_dict, port, bit);
mp_obj_t _callback = mpcallback_find(self);
mpcallback_handler(_callback);
}
}
}

5
cc3200/mods/pybpin.h
View File

@ -67,14 +67,9 @@ extern const mp_obj_type_t pin_cpu_pins_obj_type;
extern const mp_obj_dict_t pin_cpu_pins_locals_dict;
void pin_init0(void);
void pin_verify_af (uint af);
void pin_config(pin_obj_t *self, uint af, uint mode, uint type, uint strength);
void pin_extint_register(pin_obj_t *self, uint32_t intmode, uint32_t priority);
pin_obj_t *pin_find(mp_obj_t user_obj);
pin_obj_t *pin_find_named_pin(const mp_obj_dict_t *named_pins, mp_obj_t name);
pin_obj_t *pin_find_pin_by_port_bit (const mp_obj_dict_t *named_pins, uint port, uint bit);
uint32_t pin_get_mode(const pin_obj_t *self);
uint32_t pin_get_type(const pin_obj_t *self);
uint32_t pin_get_strenght(const pin_obj_t *self);
#endif // PYBPIN_H_