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stmhal: Rename USART to UART. 

It's really a UART because there is no external clock line (and hence no
synchronous ability, at least in the implementation of this module).
USART should be reserved for a module that has "S"ynchronous capabilities.

Also, UART is shorter and easier to type :)
This commit is contained in:
Damien George 2014-04-21 12:03:09 +01:00
parent 806f4aef9a
commit 7533700393
9 changed files with 178 additions and 180 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
stmhal/Makefile
View File

@ -66,7 +66,10 @@ SRC_C = \
led.c \
pin.c \
pin_named_pins.c \
usart.c \
bufhelper.c \
i2c.c \
spi.c \
uart.c \
usb.c \
printf.c \
math.c \
@ -97,9 +100,6 @@ SRC_C = \
servo.c \
dac.c \
adc.c \
bufhelper.c \
i2c.c \
spi.c \
# pybwlan.c \

14
stmhal/main.c
View File

@ -20,7 +20,7 @@
#include "pyexec.h"
#include "i2c.h"
#include "spi.h"
#include "usart.h"
#include "uart.h"
#include "timer.h"
#include "led.h"
#include "pin.h"
@ -267,20 +267,20 @@ soft_reset:
// GC init
gc_init(&_heap_start, &_heap_end);
// Change #if 0 to #if 1 if you want REPL on USART_6 (or another usart)
// Change #if 0 to #if 1 if you want REPL on UART_6 (or another uart)
// as well as on USB VCP
#if 0
{
mp_obj_t args[2] = {
MP_OBJ_NEW_SMALL_INT(PYB_USART_6),
MP_OBJ_NEW_SMALL_INT(PYB_UART_6),
MP_OBJ_NEW_SMALL_INT(115200),
};
pyb_usart_global_debug = pyb_usart_type.make_new((mp_obj_t)&pyb_usart_type,
sizeof(args) / sizeof(args[0]),
0, args);
pyb_uart_global_debug = pyb_uart_type.make_new((mp_obj_t)&pyb_uart_type,
sizeof(args) / sizeof(args[0]),
0, args);
}
#else
pyb_usart_global_debug = NULL;
pyb_uart_global_debug = NULL;
#endif
// Micro Python init

4
stmhal/modpyb.c
View File

@ -20,7 +20,7 @@
#include "rtc.h"
#include "i2c.h"
#include "spi.h"
#include "usart.h"
#include "uart.h"
#include "adc.h"
#include "storage.h"
#include "sdcard.h"
@ -292,7 +292,7 @@ STATIC const mp_map_elem_t pyb_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_LED), (mp_obj_t)&pyb_led_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&pyb_i2c_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_SPI), (mp_obj_t)&pyb_spi_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_USART), (mp_obj_t)&pyb_usart_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_UART), (mp_obj_t)&pyb_uart_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ADC), (mp_obj_t)&pyb_adc_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ADCAll), (mp_obj_t)&pyb_adc_all_type },

8
stmhal/printf.c
View File

@ -12,7 +12,7 @@
#if 0
#include "lcd.h"
#endif
#include "usart.h"
#include "uart.h"
#include "usb.h"
#if MICROPY_ENABLE_FLOAT
@ -170,11 +170,11 @@ int pfenv_printf(const pfenv_t *pfenv, const char *fmt, va_list args) {
}
void stdout_print_strn(void *data, const char *str, unsigned int len) {
// send stdout to USART, USB CDC VCP, and LCD if nothing else
// send stdout to UART, USB CDC VCP, and LCD if nothing else
bool any = false;
if (pyb_usart_global_debug != PYB_USART_NONE) {
usart_tx_strn_cooked(pyb_usart_global_debug, str, len);
if (pyb_uart_global_debug != PYB_UART_NONE) {
uart_tx_strn_cooked(pyb_uart_global_debug, str, len);
any = true;
}
if (usb_vcp_is_enabled()) {

14
stmhal/pybstdio.c
View File

@ -10,11 +10,11 @@
#include "stream.h"
#include "pybstdio.h"
#include "usb.h"
#include "usart.h"
#include "uart.h"
void stdout_tx_str(const char *str) {
if (pyb_usart_global_debug != PYB_USART_NONE) {
usart_tx_str(pyb_usart_global_debug, str);
if (pyb_uart_global_debug != PYB_UART_NONE) {
uart_tx_str(pyb_uart_global_debug, str);
}
#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
lcd_print_str(str);
@ -23,8 +23,8 @@ void stdout_tx_str(const char *str) {
}
void stdout_tx_strn(const char *str, uint len) {
if (pyb_usart_global_debug != PYB_USART_NONE) {
usart_tx_strn(pyb_usart_global_debug, str, len);
if (pyb_uart_global_debug != PYB_UART_NONE) {
uart_tx_strn(pyb_uart_global_debug, str, len);
}
#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
lcd_print_strn(str, len);
@ -45,8 +45,8 @@ int stdin_rx_chr(void) {
#endif
if (usb_vcp_rx_num() != 0) {
return usb_vcp_rx_get();
} else if (pyb_usart_global_debug != PYB_USART_NONE && usart_rx_any(pyb_usart_global_debug)) {
return usart_rx_char(pyb_usart_global_debug);
} else if (pyb_uart_global_debug != PYB_UART_NONE && uart_rx_any(pyb_uart_global_debug)) {
return uart_rx_char(pyb_uart_global_debug);
}
__WFI();
}

4
stmhal/qstrdefsport.h
View File

@ -79,8 +79,8 @@ Q(off)
Q(toggle)
Q(intensity)
// for USART class
Q(USART)
// for UART class
Q(UART)
Q(baudrate)
Q(bits)
Q(stop)

246
stmhal/usart.c → stmhal/uart.c
View File

@ -10,47 +10,47 @@
#include "obj.h"
#include "runtime.h"
#include "bufhelper.h"
#include "usart.h"
#include "uart.h"
// Usage model:
//
// See usage model of I2C in i2c.c. USART is very similar. Main difference is
// parameters to init the USART bus:
// See usage model of I2C in i2c.c. UART is very similar. Main difference is
// parameters to init the UART bus:
//
// from pyb import USART
// usart = USART(1, 9600) # init with given baudrate
// usart.init(9600, bits=8, stop=1, parity=None) # init with given parameters
// from pyb import UART
// uart = UART(1, 9600) # init with given baudrate
// uart.init(9600, bits=8, stop=1, parity=None) # init with given parameters
//
// Bits can be 8 or 9, stop can be 1 or 2, parity can be None, 0 (even), 1 (odd).
//
// Extra method:
//
// usart.any() # returns True if any characters waiting
// uart.any() # returns True if any characters waiting
struct _pyb_usart_obj_t {
struct _pyb_uart_obj_t {
mp_obj_base_t base;
pyb_usart_t usart_id;
pyb_uart_t uart_id;
bool is_enabled;
UART_HandleTypeDef uart;
};
pyb_usart_obj_t *pyb_usart_global_debug = NULL;
pyb_uart_obj_t *pyb_uart_global_debug = NULL;
// assumes Init parameters have been set up correctly
bool usart_init2(pyb_usart_obj_t *usart_obj) {
USART_TypeDef *USARTx = NULL;
bool uart_init2(pyb_uart_obj_t *uart_obj) {
USART_TypeDef *UARTx = NULL;
uint32_t GPIO_Pin = 0;
uint8_t GPIO_AF_USARTx = 0;
uint8_t GPIO_AF_UARTx = 0;
GPIO_TypeDef* GPIO_Port = NULL;
switch (usart_obj->usart_id) {
// USART1 is on PA9/PA10, PB6/PB7
case PYB_USART_1:
USARTx = USART1;
GPIO_AF_USARTx = GPIO_AF7_USART1;
switch (uart_obj->uart_id) {
// USART1 is on PA9/PA10 (CK on PA8), PB6/PB7
case PYB_UART_1:
UARTx = USART1;
GPIO_AF_UARTx = GPIO_AF7_USART1;
#if defined(PYBV10)
#if defined (PYBV4) || defined(PYBV10)
GPIO_Port = GPIOB;
GPIO_Pin = GPIO_PIN_6 | GPIO_PIN_7;
#else
@ -61,23 +61,21 @@ bool usart_init2(pyb_usart_obj_t *usart_obj) {
__USART1_CLK_ENABLE();
break;
#if !defined(PYBV10)
// USART2 is on PA2/PA3, PD5/PD6
case PYB_USART_2:
USARTx = USART2;
GPIO_AF_USARTx = GPIO_AF7_USART2;
// USART2 is on PA2/PA3 (CK on PA4), PD5/PD6 (CK on PD7)
case PYB_UART_2:
UARTx = USART2;
GPIO_AF_UARTx = GPIO_AF7_USART2;
GPIO_Port = GPIOD;
GPIO_Pin = GPIO_PIN_5 | GPIO_PIN_6;
GPIO_Port = GPIOA;
GPIO_Pin = GPIO_PIN_2 | GPIO_PIN_3;
__USART2_CLK_ENABLE();
break;
#endif
// USART3 is on PB10/PB11, PC10/PC11, PD8/PD9
case PYB_USART_3:
USARTx = USART3;
GPIO_AF_USARTx = GPIO_AF7_USART3;
// USART3 is on PB10/PB11 (CK on PB12), PC10/PC11 (CK on PC12), PD8/PD9 (CK on PD10)
case PYB_UART_3:
UARTx = USART3;
GPIO_AF_UARTx = GPIO_AF7_USART3;
#if defined(PYBV3) || defined(PYBV4) | defined(PYBV10)
GPIO_Port = GPIOB;
@ -90,9 +88,9 @@ bool usart_init2(pyb_usart_obj_t *usart_obj) {
break;
// UART4 is on PA0/PA1, PC10/PC11
case PYB_USART_4:
USARTx = UART4;
GPIO_AF_USARTx = GPIO_AF8_UART4;
case PYB_UART_4:
UARTx = UART4;
GPIO_AF_UARTx = GPIO_AF8_UART4;
GPIO_Port = GPIOA;
GPIO_Pin = GPIO_PIN_0 | GPIO_PIN_1;
@ -100,10 +98,10 @@ bool usart_init2(pyb_usart_obj_t *usart_obj) {
__UART4_CLK_ENABLE();
break;
// USART6 is on PC6/PC7
case PYB_USART_6:
USARTx = USART6;
GPIO_AF_USARTx = GPIO_AF8_USART6;
// USART6 is on PC6/PC7 (CK on PC8)
case PYB_UART_6:
UARTx = USART6;
GPIO_AF_UARTx = GPIO_AF8_USART6;
GPIO_Port = GPIOC;
GPIO_Pin = GPIO_PIN_6 | GPIO_PIN_7;
@ -121,20 +119,20 @@ bool usart_init2(pyb_usart_obj_t *usart_obj) {
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Alternate = GPIO_AF_USARTx;
GPIO_InitStructure.Alternate = GPIO_AF_UARTx;
HAL_GPIO_Init(GPIO_Port, &GPIO_InitStructure);
// init USARTx
usart_obj->uart.Instance = USARTx;
HAL_UART_Init(&usart_obj->uart);
// init UARTx
uart_obj->uart.Instance = UARTx;
HAL_UART_Init(&uart_obj->uart);
usart_obj->is_enabled = true;
uart_obj->is_enabled = true;
return true;
}
bool usart_init(pyb_usart_obj_t *usart_obj, uint32_t baudrate) {
UART_HandleTypeDef *uh = &usart_obj->uart;
bool uart_init(pyb_uart_obj_t *uart_obj, uint32_t baudrate) {
UART_HandleTypeDef *uh = &uart_obj->uart;
memset(uh, 0, sizeof(*uh));
uh->Init.BaudRate = baudrate;
uh->Init.WordLength = UART_WORDLENGTH_8B;
@ -143,12 +141,12 @@ bool usart_init(pyb_usart_obj_t *usart_obj, uint32_t baudrate) {
uh->Init.Mode = UART_MODE_TX_RX;
uh->Init.HwFlowCtl = UART_HWCONTROL_NONE;
uh->Init.OverSampling = UART_OVERSAMPLING_16;
return usart_init2(usart_obj);
return uart_init2(uart_obj);
}
void usart_deinit(pyb_usart_obj_t *usart_obj) {
usart_obj->is_enabled = false;
UART_HandleTypeDef *uart = &usart_obj->uart;
void uart_deinit(pyb_uart_obj_t *uart_obj) {
uart_obj->is_enabled = false;
UART_HandleTypeDef *uart = &uart_obj->uart;
HAL_UART_DeInit(uart);
if (uart->Instance == USART1) {
__USART1_FORCE_RESET();
@ -173,50 +171,50 @@ void usart_deinit(pyb_usart_obj_t *usart_obj) {
}
}
bool usart_rx_any(pyb_usart_obj_t *usart_obj) {
return __HAL_UART_GET_FLAG(&usart_obj->uart, UART_FLAG_RXNE);
bool uart_rx_any(pyb_uart_obj_t *uart_obj) {
return __HAL_UART_GET_FLAG(&uart_obj->uart, UART_FLAG_RXNE);
}
int usart_rx_char(pyb_usart_obj_t *usart_obj) {
int uart_rx_char(pyb_uart_obj_t *uart_obj) {
uint8_t ch;
if (HAL_UART_Receive(&usart_obj->uart, &ch, 1, 0) != HAL_OK) {
if (HAL_UART_Receive(&uart_obj->uart, &ch, 1, 0) != HAL_OK) {
ch = 0;
}
return ch;
}
void usart_tx_char(pyb_usart_obj_t *usart_obj, int c) {
void uart_tx_char(pyb_uart_obj_t *uart_obj, int c) {
uint8_t ch = c;
HAL_UART_Transmit(&usart_obj->uart, &ch, 1, 100000);
HAL_UART_Transmit(&uart_obj->uart, &ch, 1, 100000);
}
void usart_tx_str(pyb_usart_obj_t *usart_obj, const char *str) {
HAL_UART_Transmit(&usart_obj->uart, (uint8_t*)str, strlen(str), 100000);
void uart_tx_str(pyb_uart_obj_t *uart_obj, const char *str) {
HAL_UART_Transmit(&uart_obj->uart, (uint8_t*)str, strlen(str), 100000);
}
void usart_tx_strn(pyb_usart_obj_t *usart_obj, const char *str, uint len) {
HAL_UART_Transmit(&usart_obj->uart, (uint8_t*)str, len, 100000);
void uart_tx_strn(pyb_uart_obj_t *uart_obj, const char *str, uint len) {
HAL_UART_Transmit(&uart_obj->uart, (uint8_t*)str, len, 100000);
}
void usart_tx_strn_cooked(pyb_usart_obj_t *usart_obj, const char *str, uint len) {
void uart_tx_strn_cooked(pyb_uart_obj_t *uart_obj, const char *str, uint len) {
for (const char *top = str + len; str < top; str++) {
if (*str == '\n') {
usart_tx_char(usart_obj, '\r');
uart_tx_char(uart_obj, '\r');
}
usart_tx_char(usart_obj, *str);
uart_tx_char(uart_obj, *str);
}
}
/******************************************************************************/
/* Micro Python bindings */
STATIC void pyb_usart_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
pyb_usart_obj_t *self = self_in;
STATIC void pyb_uart_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
pyb_uart_obj_t *self = self_in;
if (!self->is_enabled) {
print(env, "USART(%lu)", self->usart_id);
print(env, "UART(%lu)", self->uart_id);
} else {
print(env, "USART(%lu, baudrate=%u, bits=%u, stop=%u",
self->usart_id, self->uart.Init.BaudRate,
print(env, "UART(%lu, baudrate=%u, bits=%u, stop=%u",
self->uart_id, self->uart.Init.BaudRate,
self->uart.Init.WordLength == UART_WORDLENGTH_8B ? 8 : 9,
self->uart.Init.StopBits == UART_STOPBITS_1 ? 1 : 2);
if (self->uart.Init.Parity == UART_PARITY_NONE) {
@ -227,20 +225,20 @@ STATIC void pyb_usart_print(void (*print)(void *env, const char *fmt, ...), void
}
}
STATIC const mp_arg_parse_t pyb_usart_init_accepted_args[] = {
STATIC const mp_arg_parse_t pyb_uart_init_accepted_args[] = {
{ MP_QSTR_baudrate, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_INT, {.u_int = 9600} },
{ MP_QSTR_bits, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 8} },
{ MP_QSTR_stop, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 1} },
{ MP_QSTR_parity, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_OBJ, {.u_obj = mp_const_none} },
};
#define PYB_USART_INIT_NUM_ARGS (sizeof(pyb_usart_init_accepted_args) / sizeof(pyb_usart_init_accepted_args[0]))
#define PYB_UART_INIT_NUM_ARGS (sizeof(pyb_uart_init_accepted_args) / sizeof(pyb_uart_init_accepted_args[0]))
STATIC mp_obj_t pyb_usart_init_helper(pyb_usart_obj_t *self, uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
STATIC mp_obj_t pyb_uart_init_helper(pyb_uart_obj_t *self, uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
// parse args
mp_arg_parse_val_t vals[PYB_USART_INIT_NUM_ARGS];
mp_arg_parse_all(n_args, args, kw_args, PYB_USART_INIT_NUM_ARGS, pyb_usart_init_accepted_args, vals);
mp_arg_parse_val_t vals[PYB_UART_INIT_NUM_ARGS];
mp_arg_parse_all(n_args, args, kw_args, PYB_UART_INIT_NUM_ARGS, pyb_uart_init_accepted_args, vals);
// set the USART configuration values
// set the UART configuration values
memset(&self->uart, 0, sizeof(self->uart));
UART_InitTypeDef *init = &self->uart.Init;
init->BaudRate = vals[0].u_int;
@ -259,90 +257,90 @@ STATIC mp_obj_t pyb_usart_init_helper(pyb_usart_obj_t *self, uint n_args, const
init->HwFlowCtl = UART_HWCONTROL_NONE;
init->OverSampling = UART_OVERSAMPLING_16;
// init USART (if it fails, it's because the port doesn't exist)
if (!usart_init2(self)) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "USART port %d does not exist", self->usart_id));
// init UART (if it fails, it's because the port doesn't exist)
if (!uart_init2(self)) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "UART port %d does not exist", self->uart_id));
}
return mp_const_none;
}
STATIC mp_obj_t pyb_usart_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
STATIC mp_obj_t pyb_uart_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
// check arguments
mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
// create object
pyb_usart_obj_t *o = m_new_obj(pyb_usart_obj_t);
o->base.type = &pyb_usart_type;
pyb_uart_obj_t *o = m_new_obj(pyb_uart_obj_t);
o->base.type = &pyb_uart_type;
// work out port
o->usart_id = 0;
o->uart_id = 0;
if (MP_OBJ_IS_STR(args[0])) {
const char *port = mp_obj_str_get_str(args[0]);
if (0) {
#if defined(PYBV10)
} else if (strcmp(port, "XA") == 0) {
o->usart_id = PYB_USART_XA;
o->uart_id = PYB_UART_XA;
} else if (strcmp(port, "XB") == 0) {
o->usart_id = PYB_USART_XB;
o->uart_id = PYB_UART_XB;
} else if (strcmp(port, "YA") == 0) {
o->usart_id = PYB_USART_YA;
o->uart_id = PYB_UART_YA;
} else if (strcmp(port, "YB") == 0) {
o->usart_id = PYB_USART_YB;
o->uart_id = PYB_UART_YB;
#endif
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "USART port %s does not exist", port));
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "UART port %s does not exist", port));
}
} else {
o->usart_id = mp_obj_get_int(args[0]);
o->uart_id = mp_obj_get_int(args[0]);
}
if (n_args > 1 || n_kw > 0) {
// start the peripheral
mp_map_t kw_args;
mp_map_init_fixed_table(&kw_args, n_kw, args + n_args);
pyb_usart_init_helper(o, n_args - 1, args + 1, &kw_args);
pyb_uart_init_helper(o, n_args - 1, args + 1, &kw_args);
}
return o;
}
STATIC mp_obj_t pyb_usart_init(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
return pyb_usart_init_helper(args[0], n_args - 1, args + 1, kw_args);
STATIC mp_obj_t pyb_uart_init(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
return pyb_uart_init_helper(args[0], n_args - 1, args + 1, kw_args);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_usart_init_obj, 1, pyb_usart_init);
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_uart_init_obj, 1, pyb_uart_init);
STATIC mp_obj_t pyb_usart_deinit(mp_obj_t self_in) {
pyb_usart_obj_t *self = self_in;
usart_deinit(self);
STATIC mp_obj_t pyb_uart_deinit(mp_obj_t self_in) {
pyb_uart_obj_t *self = self_in;
uart_deinit(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_usart_deinit_obj, pyb_usart_deinit);
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_deinit_obj, pyb_uart_deinit);
STATIC mp_obj_t pyb_usart_any(mp_obj_t self_in) {
pyb_usart_obj_t *self = self_in;
if (usart_rx_any(self)) {
STATIC mp_obj_t pyb_uart_any(mp_obj_t self_in) {
pyb_uart_obj_t *self = self_in;
if (uart_rx_any(self)) {
return mp_const_true;
} else {
return mp_const_false;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_usart_any_obj, pyb_usart_any);
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_any_obj, pyb_uart_any);
STATIC const mp_arg_parse_t pyb_usart_send_accepted_args[] = {
STATIC const mp_arg_parse_t pyb_uart_send_accepted_args[] = {
{ MP_QSTR_send, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_timeout, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 5000} },
};
#define PYB_USART_SEND_NUM_ARGS (sizeof(pyb_usart_send_accepted_args) / sizeof(pyb_usart_send_accepted_args[0]))
#define PYB_UART_SEND_NUM_ARGS (sizeof(pyb_uart_send_accepted_args) / sizeof(pyb_uart_send_accepted_args[0]))
STATIC mp_obj_t pyb_usart_send(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
STATIC mp_obj_t pyb_uart_send(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
// TODO assumes transmission size is 8-bits wide
pyb_usart_obj_t *self = args[0];
pyb_uart_obj_t *self = args[0];
// parse args
mp_arg_parse_val_t vals[PYB_USART_SEND_NUM_ARGS];
mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_USART_SEND_NUM_ARGS, pyb_usart_send_accepted_args, vals);
mp_arg_parse_val_t vals[PYB_UART_SEND_NUM_ARGS];
mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_UART_SEND_NUM_ARGS, pyb_uart_send_accepted_args, vals);
// get the buffer to send from
mp_buffer_info_t bufinfo;
@ -359,22 +357,22 @@ STATIC mp_obj_t pyb_usart_send(uint n_args, const mp_obj_t *args, mp_map_t *kw_a
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_usart_send_obj, 1, pyb_usart_send);
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_uart_send_obj, 1, pyb_uart_send);
STATIC const mp_arg_parse_t pyb_usart_recv_accepted_args[] = {
STATIC const mp_arg_parse_t pyb_uart_recv_accepted_args[] = {
{ MP_QSTR_recv, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_timeout, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 5000} },
};
#define PYB_USART_RECV_NUM_ARGS (sizeof(pyb_usart_recv_accepted_args) / sizeof(pyb_usart_recv_accepted_args[0]))
#define PYB_UART_RECV_NUM_ARGS (sizeof(pyb_uart_recv_accepted_args) / sizeof(pyb_uart_recv_accepted_args[0]))
STATIC mp_obj_t pyb_usart_recv(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
STATIC mp_obj_t pyb_uart_recv(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
// TODO assumes transmission size is 8-bits wide
pyb_usart_obj_t *self = args[0];
pyb_uart_obj_t *self = args[0];
// parse args
mp_arg_parse_val_t vals[PYB_USART_RECV_NUM_ARGS];
mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_USART_RECV_NUM_ARGS, pyb_usart_recv_accepted_args, vals);
mp_arg_parse_val_t vals[PYB_UART_RECV_NUM_ARGS];
mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_UART_RECV_NUM_ARGS, pyb_uart_recv_accepted_args, vals);
// get the buffer to receive into
mp_buffer_info_t bufinfo;
@ -395,23 +393,23 @@ STATIC mp_obj_t pyb_usart_recv(uint n_args, const mp_obj_t *args, mp_map_t *kw_a
return mp_obj_str_builder_end(o_ret);
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_usart_recv_obj, 1, pyb_usart_recv);
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_uart_recv_obj, 1, pyb_uart_recv);
STATIC const mp_map_elem_t pyb_usart_locals_dict_table[] = {
STATIC const mp_map_elem_t pyb_uart_locals_dict_table[] = {
// instance methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pyb_usart_init_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_deinit), (mp_obj_t)&pyb_usart_deinit_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_any), (mp_obj_t)&pyb_usart_any_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&pyb_usart_send_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&pyb_usart_recv_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pyb_uart_init_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_deinit), (mp_obj_t)&pyb_uart_deinit_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_any), (mp_obj_t)&pyb_uart_any_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&pyb_uart_send_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&pyb_uart_recv_obj },
};
STATIC MP_DEFINE_CONST_DICT(pyb_usart_locals_dict, pyb_usart_locals_dict_table);
STATIC MP_DEFINE_CONST_DICT(pyb_uart_locals_dict, pyb_uart_locals_dict_table);
const mp_obj_type_t pyb_usart_type = {
const mp_obj_type_t pyb_uart_type = {
{ &mp_type_type },
.name = MP_QSTR_USART,
.print = pyb_usart_print,
.make_new = pyb_usart_make_new,
.locals_dict = (mp_obj_t)&pyb_usart_locals_dict,
.name = MP_QSTR_UART,
.print = pyb_uart_print,
.make_new = pyb_uart_make_new,
.locals_dict = (mp_obj_t)&pyb_uart_locals_dict,
};

30
stmhal/uart.h Normal file
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@ -0,0 +1,30 @@
typedef enum {
PYB_UART_NONE = 0,
PYB_UART_1 = 1,
PYB_UART_2 = 2,
PYB_UART_3 = 3,
PYB_UART_4 = 4,
PYB_UART_5 = 5,
PYB_UART_6 = 6,
#if defined(PYBV10)
PYB_UART_XA = 4, // UART4 on X1, X2 = PA0, PA1
PYB_UART_XB = 1, // USART1 on X9, X10 = PB6, PB7
PYB_UART_YA = 6, // USART6 on Y1, Y2 = PC6, PC7
PYB_UART_YB = 3, // USART3 on Y9, Y10 = PB10, PB11
#endif
} pyb_uart_t;
typedef struct _pyb_uart_obj_t pyb_uart_obj_t;
extern pyb_uart_obj_t *pyb_uart_global_debug;
extern const mp_obj_type_t pyb_uart_type;
bool uart_init(pyb_uart_obj_t *uart_obj, uint32_t baudrate);
bool uart_rx_any(pyb_uart_obj_t *uart_obj);
int uart_rx_char(pyb_uart_obj_t *uart_obj);
void uart_tx_str(pyb_uart_obj_t *uart_obj, const char *str);
void uart_tx_strn(pyb_uart_obj_t *uart_obj, const char *str, uint len);
void uart_tx_strn_cooked(pyb_uart_obj_t *uart_obj, const char *str, uint len);

30
stmhal/usart.h
View File

@ -1,30 +0,0 @@
typedef enum {
PYB_USART_NONE = 0,
PYB_USART_1 = 1,
PYB_USART_2 = 2,
PYB_USART_3 = 3,
PYB_USART_4 = 4,
PYB_USART_5 = 5,
PYB_USART_6 = 6,
#if defined(PYBV10)
PYB_USART_XA = 4, // USART4 on X1, X2 = PA0, PA1
PYB_USART_XB = 1, // USART1 on X9, X10 = PB6, PB7
PYB_USART_YA = 6, // USART6 on Y1, Y2 = PC6, PC7
PYB_USART_YB = 3, // USART3 on Y9, Y10 = PB10, PB11
#endif
} pyb_usart_t;
typedef struct _pyb_usart_obj_t pyb_usart_obj_t;
extern pyb_usart_obj_t *pyb_usart_global_debug;
extern const mp_obj_type_t pyb_usart_type;
bool usart_init(pyb_usart_obj_t *usart_obj, uint32_t baudrate);
bool usart_rx_any(pyb_usart_obj_t *usart_obj);
int usart_rx_char(pyb_usart_obj_t *usart_obj);
void usart_tx_str(pyb_usart_obj_t *usart_obj, const char *str);
void usart_tx_strn(pyb_usart_obj_t *usart_obj, const char *str, uint len);
void usart_tx_strn_cooked(pyb_usart_obj_t *usart_obj, const char *str, uint len);