uint32_t rx_pin;
uint32_t tx_pin;
/* Sysctl */
- uint32_t sysctl;
- uint32_t sysctl1;
+ uint32_t sysctl_gpio;
+ uint32_t sysctl_usart;
};
.base = GPIOA_BASE,
.rx_pin = GPIO_USART1_RX_PIN,
.tx_pin = GPIO_USART1_TX_PIN,
- .sysctl = RCC_APB2_GPIOA,
- .sysctl1 = RCC_APB2_USART1,
+ .sysctl_gpio = RCC_APB2_GPIOA,
+ .sysctl_usart = RCC_APB2_USART1,
},
/* UART2 */
{
.base = GPIOA_BASE,
.rx_pin = GPIO_USART2_RX_PIN,
.tx_pin = GPIO_USART2_TX_PIN,
- .sysctl = RCC_APB2_GPIOA,
- .sysctl1 = RCC_APB1_USART2,
+ .sysctl_gpio = RCC_APB2_GPIOA,
+ .sysctl_usart = RCC_APB1_USART2,
},
/* UART3 */
{
.base = GPIOB_BASE,
.rx_pin = GPIO_USART3_RX_PIN,
.tx_pin = GPIO_USART3_TX_PIN,
- .sysctl = RCC_APB2_GPIOB,
- .sysctl1 = RCC_APB1_USART3,
+ .sysctl_gpio = RCC_APB2_GPIOB,
+ .sysctl_usart = RCC_APB1_USART3,
},
};
/* Enable clocking on AFIO */
RCC->APB2ENR |= RCC_APB2_AFIO;
- RCC->APB2ENR |= gpio_uart[port].sysctl;
+ RCC->APB2ENR |= gpio_uart[port].sysctl_gpio;
/* Configure USART pins */
if (port == USART1_PORT)
{
- RCC->APB2ENR |= gpio_uart[port].sysctl1;
+ RCC->APB2ENR |= gpio_uart[port].sysctl_usart;
}
else
{
- RCC->APB1ENR |= gpio_uart[port].sysctl1;
+ RCC->APB1ENR |= gpio_uart[port].sysctl_usart;
}
stm32_gpioPinConfig((struct stm32_gpio *)gpio_uart[port].base, gpio_uart[port].tx_pin,
GPIO_MODE_IN_FLOATING, GPIO_SPEED_50MHZ);
/* Clear control registry */
- base->CR2 = 0; //CR2_CLEAR_MASK;
- base->CR1 = 0; //CR1_CLEAR_MASK;
- base->CR3 = 0; //CR3_CLEAR_MASK;
+ base->CR2 = 0;
+ base->CR1 = 0;
+ base->CR3 = 0;
base->SR = 0;
/* Set serial param: 115.200 bps, no parity */