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touch: make i2c_handle static and trivial simplification

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mcudev 2017-10-29 08:04:40 -04:00 committed by Pavol Rusnak
parent d1ed02fb98
commit 6aeccd5ee1
1 changed files with 10 additions and 12 deletions
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22
embed/trezorhal/touch.c
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@ -13,9 +13,7 @@
#include "secbool.h" #include "secbool.h"
#include "touch.h" #include "touch.h"
I2C_HandleTypeDef i2c_handle = { static I2C_HandleTypeDef i2c_handle;
.Instance = I2C1,
};
void touch_init(void) void touch_init(void)
{ {
@ -32,15 +30,15 @@ void touch_init(void)
}; };
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
I2C_InitTypeDef *init = &(i2c_handle.Init); i2c_handle.Instance = I2C1;
init->OwnAddress1 = 0xFE; // master i2c_handle.Init.ClockSpeed = 400000;
init->ClockSpeed = 400000; i2c_handle.Init.DutyCycle = I2C_DUTYCYCLE_16_9;
init->DutyCycle = I2C_DUTYCYCLE_16_9; i2c_handle.Init.OwnAddress1 = 0xFE; // master
init->AddressingMode = I2C_ADDRESSINGMODE_7BIT; i2c_handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
init->DualAddressMode = I2C_DUALADDRESS_DISABLE; i2c_handle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
init->GeneralCallMode = I2C_GENERALCALL_DISABLE; i2c_handle.Init.OwnAddress2 = 0;
init->NoStretchMode = I2C_NOSTRETCH_DISABLE; i2c_handle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
init->OwnAddress2 = 0; i2c_handle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
ensure(sectrue * (HAL_OK == HAL_I2C_Init(&i2c_handle)), NULL); ensure(sectrue * (HAL_OK == HAL_I2C_Init(&i2c_handle)), NULL);
} }