kopia lustrzana https://github.com/micropython/micropython
stm32/i2c: Fix clock enable for I2C4 on STM32F7 MCUs.
This was broken by 5aec051f9f
Signed-off-by: Damien George <damien@micropython.org>
rodzic
e8dd519e2d
commit
d2446cb61f
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@ -312,19 +312,15 @@ int i2c_init(i2c_t *i2c, mp_hal_pin_obj_t scl, mp_hal_pin_obj_t sda, uint32_t fr
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// Enable I2C peripheral clock
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volatile uint32_t tmp;
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(void)tmp;
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switch (i2c_id) {
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case 0:
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case 1:
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case 2:
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RCC->APB1ENR |= RCC_APB1ENR_I2C1EN << i2c_id;
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tmp = RCC->APB1ENR; // delay after RCC clock enable
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break;
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#if defined(STM32H7)
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case 3:
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RCC->APB4ENR |= RCC_APB4ENR_I2C4EN;
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tmp = RCC->APB4ENR; // delay after RCC clock enable
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break;
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#endif
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#if defined(STM32H7)
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if (i2c_id == 3) {
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RCC->APB4ENR |= RCC_APB4ENR_I2C4EN;
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tmp = RCC->APB4ENR; // delay after RCC clock enable
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} else
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#endif
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{
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RCC->APB1ENR |= RCC_APB1ENR_I2C1EN << i2c_id;
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tmp = RCC->APB1ENR; // delay after RCC clock enable
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}
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// Initialise I2C peripheral
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