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pios_i2c.c: last commit broke reading; need to ack the incoming bytes

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@252 ebee16cc-31ac-478f-84a7-5cbb03baadba
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FredericG 2010-03-05 18:36:28 +00:00 committed by FredericG
parent 595a8f2cef
commit dd429536f7
1 changed files with 2 additions and 0 deletions
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2
flight/PiOS/STM32F10x/pios_i2c.c
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@ -386,6 +386,8 @@ int32_t PIOS_I2C_Transfer(I2CTransferTypeDef transfer, uint8_t address, uint8_t
/* Ensure that previous TX buffer won't be accessed */ /* Ensure that previous TX buffer won't be accessed */
i2cx->tx_buffer_ptr = NULL; i2cx->tx_buffer_ptr = NULL;
i2cx->rx_buffer_ptr = buffer; i2cx->rx_buffer_ptr = buffer;
// Ack the bytes we will be getting
I2C_AcknowledgeConfig(i2cx->base, ENABLE);
} else if(transfer == I2C_Write || transfer == I2C_Write_WithoutStop) { } else if(transfer == I2C_Write || transfer == I2C_Write_WithoutStop) {
/* Take new address/buffer/len */ /* Take new address/buffer/len */
/* Clear bit 0 for write operation */ /* Clear bit 0 for write operation */