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i2c: allow i2c adapters to remap pin functions

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Allows us to support more complex pin configurations
for i2c.
This commit is contained in:
Stacey Sheldon 2011-11-12 21:34:47 -05:00
parent a51bf72bc7
commit ec6d550225
2 changed files with 5 additions and 0 deletions
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4
flight/PiOS/STM32F10x/pios_i2c.c
View File

@ -891,6 +891,10 @@ int32_t PIOS_I2C_Init(uint32_t * i2c_id, const struct pios_i2c_adapter_cfg * cfg
break;
}
if (i2c_adapter->cfg->remap) {
GPIO_PinRemapConfig(i2c_adapter->cfg->remap, ENABLE);
}
/* Initialize the state machine */
i2c_adapter_fsm_init(i2c_adapter);

1
flight/PiOS/inc/pios_i2c_priv.h
View File

@ -37,6 +37,7 @@ struct pios_i2c_adapter_cfg {
uint32_t transfer_timeout_ms;
struct stm32_gpio scl;
struct stm32_gpio sda;
uint32_t remap;
struct stm32_irq event;
struct stm32_irq error;
};