Commit e3f8777e authored by Daniel Campora's avatar Daniel Campora
Browse files

cc3200: Implement new Pin API.

parent ec8589e4
......@@ -44,11 +44,12 @@
{ &pin_type }, \
.name = MP_QSTR_ ## p_pin_name, \
.port = PORT_A ## p_port, \
.type = PIN_TYPE_STD, \
.pull = PIN_TYPE_STD, \
.bit = (p_bit), \
.pin_num = (p_pin_num), \
.af = PIN_MODE_0, \
.strength = PIN_STRENGTH_4MA, \
.mode = GPIO_DIR_MODE_IN, \
.value = 0, \
.isused = false, \
}
......@@ -107,7 +107,7 @@ class Pins(object):
for pin in self.cpu_pins:
if pin.is_board_pin():
pin.print()
self.print_named('cpu', self.cpu_pins)
self.print_named('board', self.cpu_pins)
print('')
def print_header(self, hdr_filename):
......
......@@ -94,7 +94,7 @@ void mperror_init0 (void) {
MAP_GPIODirModeSet(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN, GPIO_DIR_MODE_OUT);
#else
// configure the system led
pin_config ((pin_obj_t *)&MICROPY_SYS_LED_GPIO, PIN_MODE_0, GPIO_DIR_MODE_OUT, PIN_TYPE_STD, PIN_STRENGTH_6MA);
pin_config ((pin_obj_t *)&MICROPY_SYS_LED_GPIO, PIN_MODE_0, GPIO_DIR_MODE_OUT, PIN_TYPE_STD, 0, PIN_STRENGTH_6MA);
#endif
mperror_heart_beat.enabled = true;
mperror_heartbeat_switch_off();
......
......@@ -43,11 +43,11 @@ STATIC void pin_named_pins_obj_print(const mp_print_t *print, mp_obj_t self_in,
mp_printf(print, "<Pin.%q>", self->name);
}
const mp_obj_type_t pin_cpu_pins_obj_type = {
const mp_obj_type_t pin_board_pins_obj_type = {
{ &mp_type_type },
.name = MP_QSTR_cpu,
.name = MP_QSTR_board,
.print = pin_named_pins_obj_print,
.locals_dict = (mp_obj_t)&pin_cpu_pins_locals_dict,
.locals_dict = (mp_obj_t)&pin_board_pins_locals_dict,
};
pin_obj_t *pin_find_named_pin(const mp_obj_dict_t *named_pins, mp_obj_t name) {
......
......@@ -89,7 +89,7 @@ STATIC pyb_adc_obj_t pyb_adc_obj[PYB_ADC_NUM_CHANNELS] = { {.pin = &pin_GP2, .ch
******************************************************************************/
STATIC void pybadc_init (pyb_adc_obj_t *self) {
// configure the pin in analog mode
pin_config (self->pin, PIN_MODE_0, GPIO_DIR_MODE_IN, PYBPIN_ANALOG_TYPE, PIN_STRENGTH_2MA);
pin_config (self->pin, -1, PIN_TYPE_ANALOG, PIN_TYPE_STD, -1, PIN_STRENGTH_2MA);
// enable the ADC channel
MAP_ADCChannelEnable(ADC_BASE, self->channel);
// enable and configure the timer
......
......@@ -96,8 +96,10 @@ 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 pin_validate_mode (uint mode);
STATIC void pin_validate_pull (uint pull);
STATIC void pin_validate_drive (uint strength);
STATIC void GPIOA0IntHandler (void);
STATIC void GPIOA1IntHandler (void);
STATIC void GPIOA2IntHandler (void);
......@@ -110,6 +112,9 @@ DEFINE CONSTANTS
#define PYBPIN_NUM_WAKE_PINS (6)
#define PYBPIN_WAKES_NOT (-1)
#define GPIO_DIR_MODE_ALT 0x00000002 // Pin is NOT controlled by the PGIO module
#define GPIO_DIR_MODE_ALT_OD 0x00000003 // Pin is NOT controlled by the PGIO module and is in open drain mode
/******************************************************************************
DEFINE TYPES
******************************************************************************/
......@@ -138,8 +143,8 @@ void pin_init0(void) {
// assign GP10 and GP11 to the GPIO peripheral (the default is I2C), so that the I2C bus can
// be assigned safely to any other pins (as recomended by the SDK release notes). Make them
// inputs with pull-downs enabled to ensure they are not floating during LDPS and hibernate.
pin_config ((pin_obj_t *)&pin_GP10, PIN_MODE_0, GPIO_DIR_MODE_IN, PIN_TYPE_STD_PD, PIN_STRENGTH_2MA);
pin_config ((pin_obj_t *)&pin_GP11, PIN_MODE_0, GPIO_DIR_MODE_IN, PIN_TYPE_STD_PD, PIN_STRENGTH_2MA);
pin_config ((pin_obj_t *)&pin_GP10, PIN_MODE_0, GPIO_DIR_MODE_IN, PIN_TYPE_STD_PD, -1, PIN_STRENGTH_2MA);
pin_config ((pin_obj_t *)&pin_GP11, PIN_MODE_0, GPIO_DIR_MODE_IN, PIN_TYPE_STD_PD, -1, PIN_STRENGTH_2MA);
}
// C API used to convert a user-supplied pin name into an ordinal pin number.
......@@ -153,7 +158,7 @@ pin_obj_t *pin_find(mp_obj_t user_obj) {
}
// otherwise see if the pin name matches a cpu pin
pin_obj = pin_find_named_pin(&pin_cpu_pins_locals_dict, user_obj);
pin_obj = pin_find_named_pin(&pin_board_pins_locals_dict, user_obj);
if (pin_obj) {
return pin_obj;
}
......@@ -161,9 +166,16 @@ 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_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;
void pin_config (pin_obj_t *self, int af, uint mode, uint pull, int value, uint strength) {
self->mode = mode, self->pull = pull, self->strength = strength;
// if af is -1, then we want to keep it as it is
if (af != -1) {
self->af = af;
}
// if value is -1, then we want to keep it as it is
if (value != -1) {
self->value = value;
}
pin_obj_configure ((const pin_obj_t *)self);
// mark the pin as used
self->isused = true;
......@@ -175,12 +187,17 @@ void pin_config (pin_obj_t *self, uint af, uint mode, uint type, uint strength)
DEFINE PRIVATE FUNCTIONS
******************************************************************************/
STATIC void pin_obj_configure (const pin_obj_t *self) {
// Skip all this if the pin is to be used in analog mode
if (self->type != PYBPIN_ANALOG_TYPE) {
// verify the alternate function
pin_verify_af (self->af);
// PIN_MODE_0 means it stays as a pin, else, another peripheral will take control of it
if (self->af == PIN_MODE_0) {
uint32_t type;
if (self->mode == PIN_TYPE_ANALOG) {
type = PIN_TYPE_ANALOG;
} else {
type = self->pull;
uint32_t direction = self->mode;
if (direction == PIN_TYPE_OD || direction == GPIO_DIR_MODE_ALT_OD) {
direction = GPIO_DIR_MODE_OUT;
type |= PIN_TYPE_OD;
}
if (self->mode != GPIO_DIR_MODE_ALT && self->mode != GPIO_DIR_MODE_ALT_OD) {
// enable the peripheral clock for the GPIO port of this pin
switch (self->port) {
case PORT_A0:
......@@ -198,13 +215,21 @@ STATIC void pin_obj_configure (const pin_obj_t *self) {
default:
break;
}
// set the pin value
if (self->value) {
MAP_GPIOPinWrite(self->port, self->bit, self->bit);
} else {
MAP_GPIOPinWrite(self->port, self->bit, 0);
}
// configure the direction
MAP_GPIODirModeSet(self->port, self->bit, self->mode);
MAP_GPIODirModeSet(self->port, self->bit, direction);
}
// now set the alternate function, strenght and type
// now set the alternate function
MAP_PinModeSet (self->pin_num, self->af);
}
MAP_PinConfigSet(self->pin_num, self->strength, self->type);
MAP_PinConfigSet(self->pin_num, self->strength, type);
}
STATIC void pin_get_hibernate_pin_and_idx (const pin_obj_t *self, uint *hib_pin, uint *idx) {
......@@ -291,12 +316,6 @@ 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;
......@@ -328,6 +347,24 @@ STATIC void pin_extint_register(pin_obj_t *self, uint32_t intmode, uint32_t prio
MAP_IntPrioritySet(intnum, priority);
}
STATIC void pin_validate_mode (uint mode) {
if (mode != GPIO_DIR_MODE_IN && mode != GPIO_DIR_MODE_OUT && mode != PIN_TYPE_OD &&
mode != GPIO_DIR_MODE_ALT && mode != GPIO_DIR_MODE_ALT_OD) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
}
STATIC void pin_validate_pull (uint pull) {
if (pull != PIN_TYPE_STD && pull != PIN_TYPE_STD_PU && pull != PIN_TYPE_STD_PD) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
}
STATIC void pin_validate_drive(uint strength) {
if (strength != PIN_STRENGTH_2MA && strength != PIN_STRENGTH_4MA && strength != PIN_STRENGTH_6MA) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
}
STATIC void GPIOA0IntHandler (void) {
EXTI_Handler(GPIOA0_BASE);
}
......@@ -354,7 +391,7 @@ STATIC void EXTI_Handler(uint port) {
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);
pin_obj_t *self = (pin_obj_t *)pin_find_pin_by_port_bit(&pin_board_pins_locals_dict, port, bit);
mp_obj_t _callback = mpcallback_find(self);
mpcallback_handler(_callback);
}
......@@ -368,29 +405,26 @@ STATIC void EXTI_Handler(uint port) {
/// \method init(mode, pull=Pin.PULL_NONE, af=-1)
/// Initialise the pin:
///
/// - `af` can be in range 0-15, please check the CC3200 datasheet
/// for the details on the AFs availables on each pin (af=0 keeps it as a gpio pin).
/// - `mode` can be one of:
/// - `Pin.IN` - configure the pin for input;
/// - `Pin.OUT` - configure the pin for output;
/// - `type` can be one of:
/// - `Pin.STD` - standard without pull-up or pull-down;
/// - `Pin.STD_PU` - standard with pull-up resistor;
/// - `Pin.STD_PD` - standard with pull-down resistor.
/// - `Pin.OD` - standard without pull up or pull down;
/// - `Pin.OD_PU` - open drain with pull-up resistor;
/// - `Pin.OD_PD` - open drain with pull-down resistor.
/// - `strength` can be one of:
/// - `Pin.S2MA` - 2ma drive strength;
/// - `Pin.S4MA` - 4ma drive strength;
/// - `Pin.S6MA` - 6ma drive strength;
/// - `Pin.IN` - configure the pin for input
/// - `Pin.OUT` - configure the pin for output
/// - `Pin.OPEN_DRAIN` - open drain output
/// - `pull` can be one of:
/// - `Pin.PULL_UP` - pull-up enabled
/// - `Pin.PULL_DOWN` - pull-down enabled
/// - `Pin.PULL_NONE` - no internal pull-up/down resistor
/// - `value` can take 1, 0, True or False to set the initial value of the pin
/// - `drive` can be one of:
/// - `Pin.LOW_POWER` - 2ma drive strength
/// - `Pin.MED_POWER` - 4ma drive strength
/// - `Pin.HIGH_POWER` - 6ma drive strength
///
/// Returns: `None`.
STATIC const mp_arg_t pin_init_args[] = {
{ MP_QSTR_af, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_mode, MP_ARG_INT, {.u_int = GPIO_DIR_MODE_OUT} },
{ MP_QSTR_type, MP_ARG_INT, {.u_int = PIN_TYPE_STD} },
{ MP_QSTR_strength, MP_ARG_INT, {.u_int = PIN_STRENGTH_4MA} },
{ MP_QSTR_mode, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_pull, MP_ARG_INT, {.u_int = PIN_TYPE_STD} },
{ MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_drive, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = PIN_STRENGTH_4MA} },
};
#define pin_INIT_NUM_ARGS MP_ARRAY_SIZE(pin_init_args)
......@@ -399,91 +433,83 @@ STATIC mp_obj_t pin_obj_init_helper(pin_obj_t *self, mp_uint_t n_args, const mp_
mp_arg_val_t args[pin_INIT_NUM_ARGS];
mp_arg_parse_all(n_args, pos_args, kw_args, pin_INIT_NUM_ARGS, pin_init_args, args);
// get the af
uint af = args[0].u_int;
if (af < PIN_MODE_0 || af > PIN_MODE_15) {
goto invalid_args;
}
// get the io mode
uint mode = args[1].u_int;
// checking the mode only makes sense if af == GPIO
if (af == PIN_MODE_0) {
if (mode != GPIO_DIR_MODE_IN && mode != GPIO_DIR_MODE_OUT) {
goto invalid_args;
uint mode = args[0].u_int;
pin_validate_mode(mode);
// get the pull type
uint pull = args[1].u_int;
pin_validate_pull(pull);
// get the value
int value = -1;
if (args[2].u_obj != MP_OBJ_NULL) {
if (mp_obj_is_true(args[2].u_obj)) {
value = 1;
} else {
value = 0;
}
}
// get the type
uint type = args[2].u_int;
if (type != PIN_TYPE_STD && type != PIN_TYPE_STD_PU && type != PIN_TYPE_STD_PD &&
type != PIN_TYPE_OD && type != PIN_TYPE_OD_PU && type != PIN_TYPE_OD_PD) {
goto invalid_args;
}
// get the strenght
uint strength = args[3].u_int;
if (strength != PIN_STRENGTH_2MA && strength != PIN_STRENGTH_4MA && strength != PIN_STRENGTH_6MA) {
goto invalid_args;
}
pin_validate_drive(strength);
int af = (mode == GPIO_DIR_MODE_ALT || mode == GPIO_DIR_MODE_ALT_OD) ? -1 : PIN_MODE_0;
// configure the pin as requested
pin_config (self, af, mode, type, strength);
pin_config (self, af, mode, pull, value, strength);
return mp_const_none;
invalid_args:
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
/// \method print()
/// Return a string describing the pin object.
STATIC void pin_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
pin_obj_t *self = self_in;
uint32_t af = self->af;
uint32_t type = self->type;
uint32_t strength = self->strength;
uint32_t pull = self->pull;
uint32_t drive = self->strength;
// pin name
mp_printf(print, "<Pin.cpu.%q, af=%u", self->name, af);
mp_printf(print, "<Pin.board.%q", self->name);
// pin mode
if (af == PIN_MODE_0) {
// IO mode
qstr mode_qst;
uint32_t mode = self->mode;
if (mode == GPIO_DIR_MODE_IN) {
mode_qst = MP_QSTR_IN;
} else {
mode_qst = MP_QSTR_OUT;
}
mp_printf(print, ", mode=Pin.%q", mode_qst);
qstr mode_qst;
uint32_t mode = self->mode;
if (mode == GPIO_DIR_MODE_IN) {
mode_qst = MP_QSTR_IN;
} else if (mode == GPIO_DIR_MODE_OUT) {
mode_qst = MP_QSTR_OUT;
} else if (mode == GPIO_DIR_MODE_ALT) {
mode_qst = MP_QSTR_ALT;
} else if (mode == GPIO_DIR_MODE_ALT_OD) {
mode_qst = MP_QSTR_ALT_OPEN_DRAIN;
} else {
mode_qst = MP_QSTR_OPEN_DRAIN;
}
// pin type
qstr type_qst;
if (type == PIN_TYPE_STD) {
type_qst = MP_QSTR_STD;
} else if (type == PIN_TYPE_STD_PU) {
type_qst = MP_QSTR_STD_PU;
} else if (type == PIN_TYPE_STD_PD) {
type_qst = MP_QSTR_STD_PD;
} else if (type == PIN_TYPE_OD) {
type_qst = MP_QSTR_OD;
} else if (type == PIN_TYPE_OD_PU) {
type_qst = MP_QSTR_OD_PU;
mp_printf(print, ", mode=Pin.%q", mode_qst);
// pin pull
qstr pull_qst;
if (pull == PIN_TYPE_STD) {
pull_qst = MP_QSTR_PULL_NONE;
} else if (pull == PIN_TYPE_STD_PU) {
pull_qst = MP_QSTR_PULL_UP;
} else {
type_qst = MP_QSTR_OD_PD;
pull_qst = MP_QSTR_PULL_DOWN;
}
mp_printf(print, ", type=Pin.%q", type_qst);
// pin strength
qstr str_qst;
if (strength == PIN_STRENGTH_2MA) {
str_qst = MP_QSTR_S2MA;
} else if (strength == PIN_STRENGTH_4MA) {
str_qst = MP_QSTR_S4MA;
mp_printf(print, ", pull=Pin.%q", pull_qst);
// pin drive
qstr drv_qst;
if (drive == PIN_STRENGTH_2MA) {
drv_qst = MP_QSTR_LOW_POWER;
} else if (drive == PIN_STRENGTH_4MA) {
drv_qst = MP_QSTR_MED_POWER;
} else {
str_qst = MP_QSTR_S6MA;
drv_qst = MP_QSTR_HIGH_POWER;
}
mp_printf(print, ", strength=Pin.%q>", str_qst);
mp_printf(print, ", drive=Pin.%q>", drv_qst);
}
/// \classmethod \constructor(id, ...)
......@@ -525,8 +551,10 @@ STATIC mp_obj_t pin_value(mp_uint_t n_args, const mp_obj_t *args) {
} else {
// set the pin value
if (mp_obj_is_true(args[1])) {
self->value = 1;
MAP_GPIOPinWrite(self->port, self->bit, self->bit);
} else {
self->value = 0;
MAP_GPIOPinWrite(self->port, self->bit, 0);
}
return mp_const_none;
......@@ -561,33 +589,62 @@ STATIC mp_obj_t pin_toggle(mp_obj_t self_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_toggle_obj, pin_toggle);
/// \method name()
/// \method id()
/// Returns the qstr name of the pin
STATIC mp_obj_t pin_name(mp_obj_t self_in) {
STATIC mp_obj_t pin_id(mp_obj_t self_in) {
pin_obj_t *self = self_in;
return MP_OBJ_NEW_QSTR(self->name);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_name_obj, pin_name);
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_id_obj, pin_id);
/// \method info()
/// Returns a named tupple with the current configuration of the gpio pin
STATIC mp_obj_t pin_info(mp_obj_t self_in) {
STATIC const qstr pin_info_fields[] = {
MP_QSTR_name, MP_QSTR_af, MP_QSTR_mode,
MP_QSTR_type, MP_QSTR_strength
};
/// \method mode()
/// Get or set the mode of the pin
STATIC mp_obj_t pin_mode(mp_uint_t n_args, const mp_obj_t *args) {
pin_obj_t *self = args[0];
if (n_args == 1) {
return mp_obj_new_int(self->mode);
} else {
uint32_t mode = mp_obj_get_int(args[1]);
pin_validate_mode (mode);
self->mode = mode;
pin_obj_configure(self);
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pin_mode_obj, 1, 2, pin_mode);
pin_obj_t *self = self_in;
mp_obj_t pin_config[5];
pin_config[0] = MP_OBJ_NEW_QSTR(self->name);
pin_config[1] = mp_obj_new_int(self->af);
pin_config[2] = mp_obj_new_int(self->mode);
pin_config[3] = mp_obj_new_int(self->type);
pin_config[4] = mp_obj_new_int(self->strength);
return mp_obj_new_attrtuple(pin_info_fields, 5, pin_config);
/// \method pull()
/// Get or set the pull of the pin
STATIC mp_obj_t pin_pull(mp_uint_t n_args, const mp_obj_t *args) {
pin_obj_t *self = args[0];
if (n_args == 1) {
return mp_obj_new_int(self->pull);
} else {
uint32_t pull = mp_obj_get_int(args[1]);
pin_validate_pull (pull);
self->pull = pull;
pin_obj_configure(self);
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_info_obj, pin_info);
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pin_pull_obj, 1, 2, pin_pull);
/// \method drive()
/// Get or set the drive of the pin
STATIC mp_obj_t pin_drive(mp_uint_t n_args, const mp_obj_t *args) {
pin_obj_t *self = args[0];
if (n_args == 1) {
return mp_obj_new_int(self->strength);
} else {
uint32_t strength = mp_obj_get_int(args[1]);
pin_validate_drive (strength);
self->strength = strength;
pin_obj_configure(self);
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pin_drive_obj, 1, 2, pin_drive);
/// \method callback(method, mode, priority, pwrmode)
/// Creates a callback object associated to a pin
......@@ -720,6 +777,14 @@ invalid_args:
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pin_callback_obj, 1, pin_callback);
/// \method \call()
/// Get or set the value of the pin
STATIC mp_obj_t pin_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 1, false);
mp_obj_t _args[2] = {self_in, *args};
return pin_value (n_args + 1, _args);
}
STATIC const mp_map_elem_t pin_locals_dict_table[] = {
// instance methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pin_init_obj },
......@@ -727,46 +792,32 @@ STATIC const mp_map_elem_t pin_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_low), (mp_obj_t)&pin_low_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_high), (mp_obj_t)&pin_high_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_toggle), (mp_obj_t)&pin_toggle_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_name), (mp_obj_t)&pin_name_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&pin_info_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_id), (mp_obj_t)&pin_id_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mode), (mp_obj_t)&pin_mode_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_pull), (mp_obj_t)&pin_pull_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_drive), (mp_obj_t)&pin_drive_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_callback), (mp_obj_t)&pin_callback_obj },
// class attributes
{ MP_OBJ_NEW_QSTR(MP_QSTR_cpu), (mp_obj_t)&pin_cpu_pins_obj_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_board), (mp_obj_t)&pin_board_pins_obj_type },
// class constants
/// \constant IN - set the pin to input mode
/// \constant OUT - set the pin to output mode
/// \constant STD - set the pin to standard mode without pull-up or pull-down
/// \constant STD_PU - set the pin to standard mode with pull-up
/// \constant STD_PD - set the pin to standard mode with pull-down
/// \constant OD - set the pin to open drain mode without pull-up or pull-down
/// \constant OD_PU - set the pin to open drain mode with pull-up
/// \constant OD_PD - set the pin to open drain mode with pull-down
/// \constant IRQ_RISING - interrupt on a rising edge
/// \constant IRQ_FALLING - interrupt on a falling edge
/// \constant IRQ_RISING_FALLING - interrupt on a rising or falling edge
/// \constant IRQ_LOW_LEVEL - interrupt on a low level
/// \constant IRQ_HIGH_LEVEL - interrupt on a high level
/// \constant 2MA - set the drive strength to 2ma
/// \constant 4MA - set the drive strength to 4ma
/// \constant 6MA - set the drive strength to 6ma
{ MP_OBJ_NEW_QSTR(MP_QSTR_IN), MP_OBJ_NEW_SMALL_INT(GPIO_DIR_MODE_IN) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_OUT), MP_OBJ_NEW_SMALL_INT(GPIO_DIR_MODE_OUT) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_STD), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_STD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_STD_PU), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_STD_PU) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_STD_PD), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_STD_PD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_OD), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_OD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_OD_PU), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_OD_PU) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_OD_PD), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_OD_PD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_OPEN_DRAIN), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_OD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ALT), MP_OBJ_NEW_SMALL_INT(GPIO_DIR_MODE_ALT) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ALT_OPEN_DRAIN), MP_OBJ_NEW_SMALL_INT(GPIO_DIR_MODE_ALT_OD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_PULL_NONE), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_STD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_PULL_UP), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_STD_PU) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_PULL_DOWN), MP_OBJ_NEW_SMALL_INT(PIN_TYPE_STD_PD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_LOW_POWER), MP_OBJ_NEW_SMALL_INT(PIN_STRENGTH_2MA) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_MED_POWER), MP_OBJ_NEW_SMALL_INT(PIN_STRENGTH_4MA) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_HIGH_POWER), MP_OBJ_NEW_SMALL_INT(PIN_STRENGTH_6MA) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_INT_FALLING), MP_OBJ_NEW_SMALL_INT(GPIO_FALLING_EDGE) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_INT_RISING), MP_OBJ_NEW_SMALL_INT(GPIO_RISING_EDGE) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_INT_RISING_FALLING), MP_OBJ_NEW_SMALL_INT(GPIO_BOTH_EDGES) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_INT_LOW_LEVEL), MP_OBJ_NEW_SMALL_INT(GPIO_LOW_LEVEL) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_INT_HIGH_LEVEL), MP_OBJ_NEW_SMALL_INT(GPIO_HIGH_LEVEL) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_S2MA), MP_OBJ_NEW_SMALL_INT(PIN_STRENGTH_2MA) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_S4MA), MP_OBJ_NEW_SMALL_INT(PIN_STRENGTH_4MA) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_S6MA), MP_OBJ_NEW_SMALL_INT(PIN_STRENGTH_6MA) },
};
STATIC MP_DEFINE_CONST_DICT(pin_locals_dict, pin_locals_dict_table);
......@@ -776,6 +827,7 @@ const mp_obj_type_t pin_type = {
.name = MP_QSTR_Pin,
.print = pin_print,
.make_new = pin_make_new,
.call = pin_call,
.locals_dict = (mp_obj_t)&pin_locals_dict,
};
......
......@@ -28,8 +28,6 @@
#ifndef PYBPIN_H_
#define PYBPIN_H_
#define PYBPIN_ANALOG_TYPE 0xFF
enum {
PORT_A0 = GPIOA0_BASE,
PORT_A1 = GPIOA1_BASE,
......@@ -41,12 +39,13 @@ typedef struct {
const mp_obj_base_t base;
const qstr name;
const uint32_t port;
uint16_t type;
uint16_t pull;
const uint8_t bit;
const uint8_t pin_num;
uint8_t af;
int8_t af;
uint8_t strength;
uint8_t mode;
uint8_t mode; // this is now a combination of type and mode
int8_t value; // -1 means no defined value
bool isused;
} pin_obj_t;
......@@ -63,11 +62,11 @@ typedef struct {
const pin_named_pin_t *named_pins;
} pin_named_pins_obj_t;