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stm32: Add support for G0 MCUs.

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This commit adds support for the STM32G0 series of MCUs.

Signed-off-by: Asensio Lorenzo Sempere <asensio.aerospace@gmail.com>
This commit is contained in:
Asensio Lorenzo Sempere
2022-02-12 14:36:58 -06:00
committed by Damien George
parent 3587d8e808
commit 010012c7c3
26 changed files with 719 additions and 110 deletions
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24
ports/stm32/machine_uart.c
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@@ -76,10 +76,14 @@
STATIC void pyb_uart_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
pyb_uart_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (!self->is_enabled) {
#ifdef LPUART1
#if defined(LPUART1)
if (self->uart_id == PYB_LPUART_1) {
mp_printf(print, "UART('LP1')");
} else
#elif defined(LPUART2)
if (self->uart_id == PYB_LPUART_2) {
mp_printf(print, "UART('LP2')");
} else
#endif
{
mp_printf(print, "UART(%u)", self->uart_id);
@@ -105,12 +109,18 @@ STATIC void pyb_uart_print(const mp_print_t *print, mp_obj_t self_in, mp_print_k
if (cr1 & USART_CR1_PCE) {
bits -= 1;
}
#ifdef LPUART1
#if defined(LPUART1)
if (self->uart_id == PYB_LPUART_1) {
mp_printf(print, "UART('LP1', baudrate=%u, bits=%u, parity=",
uart_get_baudrate(self), bits);
} else
#endif
#if defined(LPUART2)
if (self->uart_id == PYB_LPUART_2) {
mp_printf(print, "UART('LP2', baudrate=%u, bits=%u, parity=",
uart_get_baudrate(self), bits);
} else
#endif
{
mp_printf(print, "UART(%u, baudrate=%u, bits=%u, parity=",
self->uart_id, uart_get_baudrate(self), bits);
@@ -354,10 +364,18 @@ STATIC mp_obj_t pyb_uart_make_new(const mp_obj_type_t *type, size_t n_args, size
} else if (strcmp(port, MICROPY_HW_LPUART1_NAME) == 0) {
uart_id = PYB_LPUART_1;
#endif
#ifdef MICROPY_HW_LPUART2_NAME
} else if (strcmp(port, MICROPY_HW_LPUART2_NAME) == 0) {
uart_id = PYB_LPUART_2;
#endif
#ifdef LPUART1
} else if (strcmp(port, "LP1") == 0 && uart_exists(PYB_LPUART_1)) {
uart_id = PYB_LPUART_1;
#endif
#ifdef LPUART2
} else if (strcmp(port, "LP2") == 0 && uart_exists(PYB_LPUART_2)) {
uart_id = PYB_LPUART_2;
#endif
} else {
mp_raise_msg_varg(&mp_type_ValueError, MP_ERROR_TEXT("UART(%s) doesn't exist"), port);
}
@@ -459,7 +477,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_readchar_obj, pyb_uart_readchar);
// uart.sendbreak()
STATIC mp_obj_t pyb_uart_sendbreak(mp_obj_t self_in) {
pyb_uart_obj_t *self = MP_OBJ_TO_PTR(self_in);
#if defined(STM32F0) || defined(STM32F7) || defined(STM32G4) || defined(STM32H7) || defined(STM32L0) || defined(STM32L4) || defined(STM32WB) || defined(STM32WL)
#if defined(STM32F0) || defined(STM32F7) || defined(STM32G0) || defined(STM32G4) || defined(STM32H7) || defined(STM32L0) || defined(STM32L4) || defined(STM32WB) || defined(STM32WL)
self->uartx->RQR = USART_RQR_SBKRQ; // write-only register
#else
self->uartx->CR1 |= USART_CR1_SBK;