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Added uBASIC-Plus program object example to STM32F4xx. (#967)

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This commit is contained in:
Steve Karg
2025-04-16 12:03:42 -05:00
committed by GitHub
parent a923e3cec9
commit 54bf9b79c6
37 changed files with 7613 additions and 1112 deletions
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ports/stm32f4xx/rs485.c
+27 -25
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@@ -24,36 +24,36 @@
#include "rs485.h"
#ifndef RS485_LINKSPRITE_ENABLED
#ifndef RS485_DFR0259_ENABLED
#define RS485_DFR0259_ENABLED 1
#endif
#ifndef RS485_DFR0259_ENABLED
#define RS485_DFR0259_ENABLED 1
#endif
#endif
#if defined(RS485_DFR0259_ENABLED) || defined(RS485_LINKSPRITE_ENABLED)
/* DFR0259 RS485 Shield - TXD=PG14, RXD=PG9, USART6 */
#define RS485_USARTx USART6
#define RS485_NVIC_IRQ USART6_IRQn
#define RS485_USARTx_ISR USART6_IRQHandler
#define RS485_USARTx_RCC RCC_APB2Periph_USART6
#define RS485_GPIO_RCC RCC_AHB1Periph_GPIOG
#define RS485_GPIO_PINS GPIO_Pin_9 | GPIO_Pin_14
#define RS485_GPIO GPIOG
/* alternate function (AF) */
#define RS485_AF_PINSOURCE_RX GPIO_PinSource9
#define RS485_AF_PINSOURCE_TX GPIO_PinSource14
#define RS485_AF_FUNCTION GPIO_AF_USART6
/* DFR0259 RS485 Shield - TXD=PG14, RXD=PG9, USART6 */
#define RS485_USARTx USART6
#define RS485_NVIC_IRQ USART6_IRQn
#define RS485_USARTx_ISR USART6_IRQHandler
#define RS485_USARTx_RCC RCC_APB2Periph_USART6
#define RS485_GPIO_RCC RCC_AHB1Periph_GPIOG
#define RS485_GPIO_PINS GPIO_Pin_9 | GPIO_Pin_14
#define RS485_GPIO GPIOG
/* alternate function (AF) */
#define RS485_AF_PINSOURCE_RX GPIO_PinSource9
#define RS485_AF_PINSOURCE_TX GPIO_PinSource14
#define RS485_AF_FUNCTION GPIO_AF_USART6
#endif
#if defined(RS485_DFR0259_ENABLED)
/* DFR0259 RS485 Shield - CE=PF15 */
#define RS485_RTS_RCC RCC_AHB1Periph_GPIOF
#define RS485_RTS_PIN GPIO_Pin_15
#define RS485_RTS_GPIO GPIOF
/* DFR0259 RS485 Shield - CE=PF15 */
#define RS485_RTS_RCC RCC_AHB1Periph_GPIOF
#define RS485_RTS_PIN GPIO_Pin_15
#define RS485_RTS_GPIO GPIOF
#endif
#if defined(RS485_LINKSPRITE_ENABLED)
/* LINKSPRITE RS485 Shield - CE=PD15 */
#define RS485_RTS_RCC RCC_AHB1Periph_GPIOD
#define RS485_RTS_PIN GPIO_Pin_15
#define RS485_RTS_GPIO GPIOD
/* LINKSPRITE RS485 Shield - CE=PD15 */
#define RS485_RTS_RCC RCC_AHB1Periph_GPIOD
#define RS485_RTS_PIN GPIO_Pin_15
#define RS485_RTS_GPIO GPIOD
#endif
/* buffer for storing received bytes - size must be power of two */
@@ -305,9 +305,11 @@ void rs485_init(void)
NVIC_InitTypeDef NVIC_InitStructure;
/* initialize the Rx and Tx byte queues */
FIFO_Init(&Receive_Queue, &Receive_Queue_Data[0],
FIFO_Init(
&Receive_Queue, &Receive_Queue_Data[0],
(unsigned)sizeof(Receive_Queue_Data));
FIFO_Init(&Transmit_Queue, &Transmit_Queue_Data[0],
FIFO_Init(
&Transmit_Queue, &Transmit_Queue_Data[0],
(unsigned)sizeof(Transmit_Queue_Data));
/* Enable GPIOx clock */