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extmod/machine_uart: Factor ports' UART Python bindings to common code.

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This is a code factoring to have the Python bindings in one location, and
all the ports use those same bindings.  For all ports except the two listed
below there is no functional change.

The nrf port has UART.sendbreak() removed, but this method previously did
nothing.

The zephyr port has the following methods added:
- UART.init(): supports setting timeout and timeout_char.
- UART.deinit(): does nothing, just returns None.
- UART.flush(): raises OSError(EINVAL) because it's not implemented.
- UART.any() and UART.txdone(): raise NotImplementedError.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2023-10-10 23:46:07 +11:00
parent 95d8b5fd55
commit 5b4a2baff6
65 changed files with 661 additions and 996 deletions
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20
extmod/modmachine.h
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@@ -65,10 +65,29 @@
#define MICROPY_PY_MACHINE_ADC_READ (0)
#endif
// Whether to enable the UART.sendbreak() method.
// Requires a port to implement mp_machine_uart_sendbreak().
#ifndef MICROPY_PY_MACHINE_UART_SENDBREAK
#define MICROPY_PY_MACHINE_UART_SENDBREAK (0)
#endif
// Whether to enable the UART.readchar() and UART.writechar() methods.
// Requires a port to implement mp_machine_uart_readchar() and mp_machine_uart_writechar().
#ifndef MICROPY_PY_MACHINE_UART_READCHAR_WRITECHAR
#define MICROPY_PY_MACHINE_UART_READCHAR_WRITECHAR (0)
#endif
// Whether to enable the UART.irq() method.
// Requires a port to implement mp_machine_uart_irq().
#ifndef MICROPY_PY_MACHINE_UART_IRQ
#define MICROPY_PY_MACHINE_UART_IRQ (0)
#endif
// A port must provide these types, but they are otherwise opaque.
typedef struct _machine_adc_obj_t machine_adc_obj_t;
typedef struct _machine_i2s_obj_t machine_i2s_obj_t;
typedef struct _machine_pwm_obj_t machine_pwm_obj_t;
typedef struct _machine_uart_obj_t machine_uart_obj_t;
typedef struct _machine_wdt_obj_t machine_wdt_obj_t;
// These classes correspond to machine.Type entries in the machine module.
@@ -80,6 +99,7 @@ extern const mp_obj_type_t machine_i2s_type;
extern const mp_obj_type_t machine_pwm_type;
extern const mp_obj_type_t machine_spi_type;
extern const mp_obj_type_t machine_timer_type;
extern const mp_obj_type_t machine_uart_type;
extern const mp_obj_type_t machine_wdt_type;
#endif // MICROPY_INCLUDED_EXTMOD_MODMACHINE_H