diff options
Diffstat (limited to 'stmhal/uart.c')
| -rw-r--r-- | stmhal/uart.c | 68 |
1 files changed, 31 insertions, 37 deletions
diff --git a/stmhal/uart.c b/stmhal/uart.c index 65383b6c24..676ccee48f 100644 --- a/stmhal/uart.c +++ b/stmhal/uart.c @@ -117,94 +117,88 @@ STATIC bool uart_init2(pyb_uart_obj_t *uart_obj) { GPIO_TypeDef* GPIO_Port = NULL; switch (uart_obj->uart_id) { + #if defined(MICROPY_HW_UART1_PORT) && defined(MICROPY_HW_UART1_PINS) // USART1 is on PA9/PA10 (CK on PA8), PB6/PB7 case PYB_UART_1: UARTx = USART1; irqn = USART1_IRQn; GPIO_AF_UARTx = GPIO_AF7_USART1; - -#if defined (PYBV4) || defined(PYBV10) - GPIO_Port = GPIOB; - GPIO_Pin = GPIO_PIN_6 | GPIO_PIN_7; -#else - GPIO_Port = GPIOA; - GPIO_Pin = GPIO_PIN_9 | GPIO_PIN_10; -#endif - + GPIO_Port = MICROPY_HW_UART1_PORT; + GPIO_Pin = MICROPY_HW_UART1_PINS; __USART1_CLK_ENABLE(); break; + #endif + #if defined(MICROPY_HW_UART2_PORT) && defined(MICROPY_HW_UART2_PINS) // USART2 is on PA2/PA3 (CTS,RTS,CK on PA0,PA1,PA4), PD5/PD6 (CK on PD7) case PYB_UART_2: UARTx = USART2; irqn = USART2_IRQn; GPIO_AF_UARTx = GPIO_AF7_USART2; - - GPIO_Port = GPIOA; - GPIO_Pin = GPIO_PIN_2 | GPIO_PIN_3; - + GPIO_Port = MICROPY_HW_UART2_PORT; + GPIO_Pin = MICROPY_HW_UART2_PINS; + #if defined(MICROPY_HW_UART2_RTS) if (uart_obj->uart.Init.HwFlowCtl & UART_HWCONTROL_RTS) { - GPIO_Pin |= GPIO_PIN_1; + GPIO_Pin |= MICROPY_HW_UART2_RTS; } + #endif + #if defined(MICROPY_HW_UART2_CTS) if (uart_obj->uart.Init.HwFlowCtl & UART_HWCONTROL_CTS) { - GPIO_Pin |= GPIO_PIN_0; + GPIO_Pin |= MICROPY_HW_UART2_CTS; } - + #endif __USART2_CLK_ENABLE(); break; + #endif - #if defined(USART3) + #if defined(USART3) && defined(MICROPY_HW_UART3_PORT) && defined(MICROPY_HW_UART3_PINS) // USART3 is on PB10/PB11 (CK,CTS,RTS on PB12,PB13,PB14), PC10/PC11 (CK on PC12), PD8/PD9 (CK on PD10) case PYB_UART_3: UARTx = USART3; irqn = USART3_IRQn; GPIO_AF_UARTx = GPIO_AF7_USART3; - -#if defined(PYBV3) || defined(PYBV4) | defined(PYBV10) - GPIO_Port = GPIOB; - GPIO_Pin = GPIO_PIN_10 | GPIO_PIN_11; - + GPIO_Port = MICROPY_HW_UART3_PORT; + GPIO_Pin = MICROPY_HW_UART3_PINS; + #if defined(MICROPY_HW_UART3_RTS) if (uart_obj->uart.Init.HwFlowCtl & UART_HWCONTROL_RTS) { - GPIO_Pin |= GPIO_PIN_14; + GPIO_Pin |= MICROPY_HW_UART3_RTS; } + #endif + #if defined(MICROPY_HW_UART3_CTS) if (uart_obj->uart.Init.HwFlowCtl & UART_HWCONTROL_CTS) { - GPIO_Pin |= GPIO_PIN_13; + GPIO_Pin |= MICROPY_HW_UART3_CTS; } -#else - GPIO_Port = GPIOD; - GPIO_Pin = GPIO_PIN_8 | GPIO_PIN_9; -#endif + #endif __USART3_CLK_ENABLE(); break; #endif - #if defined(UART4) + #if defined(UART4) && defined(MICROPY_HW_UART4_PORT) && defined(MICROPY_HW_UART4_PINS) // UART4 is on PA0/PA1, PC10/PC11 case PYB_UART_4: UARTx = UART4; irqn = UART4_IRQn; GPIO_AF_UARTx = GPIO_AF8_UART4; - - GPIO_Port = GPIOA; - GPIO_Pin = GPIO_PIN_0 | GPIO_PIN_1; - + GPIO_Port = MICROPY_HW_UART4_PORT; + GPIO_Pin = MICROPY_HW_UART4_PINS; __UART4_CLK_ENABLE(); break; #endif + #if defined(MICROPY_HW_UART6_PORT) && defined(MICROPY_HW_UART6_PINS) // USART6 is on PC6/PC7 (CK on PC8) case PYB_UART_6: UARTx = USART6; irqn = USART6_IRQn; GPIO_AF_UARTx = GPIO_AF8_USART6; - - GPIO_Port = GPIOC; - GPIO_Pin = GPIO_PIN_6 | GPIO_PIN_7; - + GPIO_Port = MICROPY_HW_UART6_PORT; + GPIO_Pin = MICROPY_HW_UART6_PINS; __USART6_CLK_ENABLE(); break; + #endif default: + // UART does not exist or is not configured for this board return false; } |