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stm32/pyb_i2c: Put pyb.I2C under MICROPY_PY_PYB_LEGACY setting.

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When disabled, the pyb.I2C class saves around 8k of code space and 172
bytes of RAM.  The same functionality is now available in machine.I2C
(for F4 and F7 MCUs).

It is still enabled by default.
This commit is contained in:
Damien George 2018-05-14 13:53:46 +10:00
parent 92c5e2708d
commit 88c26a48b4
4 changed files with 8 additions and 4 deletions
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2
ports/stm32/main.c
View File

@ -505,7 +505,7 @@ void stm32_main(uint32_t reset_mode) {
rtc_init_start(false);
#endif
spi_init0();
#if MICROPY_HW_ENABLE_HW_I2C
#if MICROPY_PY_PYB_LEGACY && MICROPY_HW_ENABLE_HW_I2C
i2c_init0();
#endif
#if MICROPY_HW_HAS_SDCARD

2
ports/stm32/modpyb.c
View File

@ -227,7 +227,7 @@ STATIC const mp_rom_map_elem_t pyb_module_globals_table[] = {
#if defined(MICROPY_HW_LED1)
{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pyb_led_type) },
#endif
#if MICROPY_HW_ENABLE_HW_I2C
#if MICROPY_PY_PYB_LEGACY && MICROPY_HW_ENABLE_HW_I2C
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&pyb_i2c_type) },
#endif
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&pyb_spi_type) },

4
ports/stm32/pyb_i2c.c
View File

@ -35,7 +35,7 @@
#include "dma.h"
#include "i2c.h"
#if MICROPY_HW_ENABLE_HW_I2C
#if MICROPY_PY_PYB_LEGACY && MICROPY_HW_ENABLE_HW_I2C
/// \moduleref pyb
/// \class I2C - a two-wire serial protocol
@ -1065,4 +1065,4 @@ const mp_obj_type_t pyb_i2c_type = {
.locals_dict = (mp_obj_dict_t*)&pyb_i2c_locals_dict,
};
#endif // MICROPY_HW_ENABLE_HW_I2C
#endif // MICROPY_PY_PYB_LEGACY && MICROPY_HW_ENABLE_HW_I2C

4
ports/stm32/stm32_it.c
View File

@ -776,6 +776,8 @@ void CAN2_SCE_IRQHandler(void) {
}
#endif
#if MICROPY_PY_PYB_LEGACY
#if defined(MICROPY_HW_I2C1_SCL)
void I2C1_EV_IRQHandler(void) {
IRQ_ENTER(I2C1_EV_IRQn);
@ -831,3 +833,5 @@ void I2C4_ER_IRQHandler(void) {
IRQ_EXIT(I2C4_ER_IRQn);
}
#endif // defined(MICROPY_HW_I2C4_SCL)
#endif // MICROPY_PY_PYB_LEGACY