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stm32: Implement UART.irq() method with initial support for RX idle IRQ.

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This commit is contained in:
Tobias Badertscher
2018-12-09 17:07:56 +01:00
committed by Damien George
parent 06236bf28e
commit 372e7a4dc6
4 changed files with 148 additions and 1 deletions
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5
ports/stm32/uart.h
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@@ -26,6 +26,8 @@
#ifndef MICROPY_INCLUDED_STM32_UART_H
#define MICROPY_INCLUDED_STM32_UART_H
struct _mp_irq_obj_t;
typedef enum {
PYB_UART_NONE = 0,
PYB_UART_1 = 1,
@@ -57,6 +59,9 @@ typedef struct _pyb_uart_obj_t {
volatile uint16_t read_buf_head; // indexes first empty slot
uint16_t read_buf_tail; // indexes first full slot (not full if equals head)
byte *read_buf; // byte or uint16_t, depending on char size
uint16_t mp_irq_trigger; // user IRQ trigger mask
uint16_t mp_irq_flags; // user IRQ active IRQ flags
struct _mp_irq_obj_t *mp_irq_obj; // user IRQ object
} pyb_uart_obj_t;
extern const mp_obj_type_t pyb_uart_type;