uhk/firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Extract delay() from InitI2cMainBus()

Browse Source
This commit is contained in:
László Monda
2017-10-03 20:54:05 +02:00
parent f1a8d9a330
commit 51a9acbb68
1 changed files with 13 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
right/src/init_peripherals.c
View File

@@ -21,6 +21,11 @@ void InitInterruptPriorities(void)
NVIC_SetPriority(USB0_IRQn, 1);
}
void delay(void)
{
for (volatile uint32_t i=0; i<10000; i++);
}
void InitI2cMainBus(void)
{
CLOCK_EnableClock(I2C_MAIN_BUS_SDA_CLOCK);
@@ -32,28 +37,28 @@ void InitI2cMainBus(void)
GPIO_PinInit(I2C_MAIN_BUS_SCL_GPIO, I2C_MAIN_BUS_SDA_PIN, &(gpio_pin_config_t){kGPIO_DigitalOutput, 1});
GPIO_WritePinOutput(I2C_MAIN_BUS_SCL_GPIO, I2C_MAIN_BUS_SCL_PIN, 0);
for (volatile uint32_t i=0; i<10000; i++);
delay();
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 0);
for (volatile uint32_t i=0; i<10000; i++);
delay();
bool isOn = true;
for (int i=0; i<16; i++) {
GPIO_WritePinOutput(I2C_MAIN_BUS_SCL_GPIO, I2C_MAIN_BUS_SCL_PIN, isOn);
for (volatile uint32_t i=0; i<10000; i++);
delay();
isOn = !isOn;
}
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 1);
for (volatile uint32_t i=0; i<10000; i++);
delay();
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 0);
for (volatile uint32_t i=0; i<10000; i++);
delay();
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 1);
for (volatile uint32_t i=0; i<10000; i++);
delay();
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 0);
for (volatile uint32_t i=0; i<10000; i++);
delay();
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 1);
for (volatile uint32_t i=0; i<10000; i++);
delay();
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,