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stm32/machine_i2c_target: Implement I2CTarget class.

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Works, tested on PYBV10, PYBD_SF2 and PYBD_SF6:

    buf = bytearray(16)
    machine.I2CTargetMemory("X", addr=67, mem=buf)

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-05-27 12:22:23 +10:00
parent 78d16672e1
commit 01e570a347
9 changed files with 284 additions and 9 deletions
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2
ports/stm32/irq.h
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@@ -177,6 +177,8 @@ static inline void restore_irq_pri(uint32_t state) {
#define IRQ_PRI_HSEM NVIC_EncodePriority(NVIC_PRIORITYGROUP_4, 10, 0)
#define IRQ_PRI_I2C NVIC_EncodePriority(NVIC_PRIORITYGROUP_4, 12, 0)
// Interrupt priority for non-special timers.
#define IRQ_PRI_TIMX NVIC_EncodePriority(NVIC_PRIORITYGROUP_4, 13, 0)