354 lines
14 KiB
C
354 lines
14 KiB
C
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#include "BSPUart.h"
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#include <cpu.h>
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#include <os.h>
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#include <os_cpu.h>
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#include <bsp_int.h>
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#include <bsp_sys.h>
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#include <lib_def.h>
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#include "BSPSys.h"
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#define UART0_RECV_CACHE_MAX 256
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#define UART1_RECV_CACHE_MAX 256
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#define UART2_RECV_CACHE_MAX 256
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#define UART3_RECV_CACHE_MAX 256
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#define UART4_RECV_CACHE_MAX 256
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#define UART5_RECV_CACHE_MAX 256
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#define UART6_RECV_CACHE_MAX 256
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#define UART7_RECV_CACHE_MAX 256
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static uint8_t usr_uart0_recv_space[UART0_RECV_CACHE_MAX] = {0};
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static uint32_t uart0_recv_local = 0;
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static uint32_t uart0_recv_temp = 0;
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static uint8_t usr_uart1_recv_space[UART1_RECV_CACHE_MAX] = {0};
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static uint32_t uart1_recv_local = 0;
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static uint32_t uart1_recv_temp = 0;
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static uint8_t usr_uart2_recv_space[UART2_RECV_CACHE_MAX] = {0};
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static uint32_t uart2_recv_local = 0;
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static uint32_t uart2_recv_temp = 0;
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static uint8_t usr_uart3_recv_space[UART3_RECV_CACHE_MAX] = {0};
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static uint32_t uart3_recv_local = 0;
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static uint32_t uart3_recv_temp = 0;
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static uint8_t usr_uart4_recv_space[UART4_RECV_CACHE_MAX] = {0};
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static uint32_t uart4_recv_local = 0;
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static uint32_t uart4_recv_temp = 0;
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static uint8_t usr_uart5_recv_space[UART5_RECV_CACHE_MAX] = {0};
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static uint32_t uart5_recv_local = 0;
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static uint32_t uart5_recv_temp = 0;
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static uint8_t usr_uart6_recv_space[UART6_RECV_CACHE_MAX] = {0};
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static uint32_t uart6_recv_local = 0;
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static uint32_t uart6_recv_temp = 0;
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static uint8_t usr_uart7_recv_space[UART7_RECV_CACHE_MAX] = {0};
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static uint32_t uart7_recv_local = 0;
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static uint32_t uart7_recv_temp = 0;
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static void BspUart0IntHandler(void);
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static void BspUart1IntHandler(void);
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static void BspUart2IntHandler(void);
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static void BspUart3IntHandler(void);
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static void BspUart4IntHandler(void);
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static void BspUart5IntHandler(void);
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static void BspUart6IntHandler(void);
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static void BspUart7IntHandler(void);
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/* UART初始化
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* 参数
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* uart_id(串口ID): USR_UART_ID_0
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* USR_UART_ID_1
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* USR_UART_ID_2
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* USR_UART_ID_3
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* USR_UART_ID_4
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* USR_UART_ID_5
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* USR_UART_ID_6
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* USR_UART_ID_7
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* bandrate(波特率): USR_UART_BANDRATE_9600
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* USR_UART_BANDRATE_14400
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* USR_UART_BANDRATE_19200
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* USR_UART_BANDRATE_38400
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* USR_UART_BANDRATE_56000
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* USR_UART_BANDRATE_57600
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* USR_UART_BANDRATE_115200
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* databit(数据位): USR_UART_DATABIT_8
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* USR_UART_DATABIT_7
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* USR_UART_DATABIT_6
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* USR_UART_DATABIT_5
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* stopbit(停止位): USR_UART_STOPBIT_ONE
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* USR_UART_STOPBIT_TWO
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* checkbit(校验位): USR_UART_CHECKBIT_NONE
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* USR_UART_CHECKBIT_EVEN
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* USR_UART_CHECKBIT_ODD
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* 返回值:
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* 0: 表示成功
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* -1:表示失败
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*/
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int8_t UartCommonInit(uint32_t uart_sysctl, uint32_t gpio_sysctl,
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uint32_t uart_base, uint32_t gpio_base,
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uint32_t gpio_rx, uint32_t gpio_tx,
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uint32_t gpio_rx_pin, uint32_t gpio_tx_pin,
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uint32_t int_id, void (*int_handler)(void),
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uint32_t int_uart, uint32_t bandrate,
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uint8_t databit, uint8_t stopbit, uint8_t checkbit) {
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SysCtlPeripheralEnable(uart_sysctl);
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SysCtlPeripheralEnable(gpio_sysctl);
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GPIOPinConfigure(gpio_rx);
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GPIOPinConfigure(gpio_tx);
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GPIOPinTypeUART(gpio_base, gpio_rx_pin | gpio_tx_pin);
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UARTConfigSetExpClk(uart_base, BspGetSysClock(), bandrate, (databit | stopbit | checkbit));
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BSP_IntVectSet(int_id, (CPU_FNCT_VOID)int_handler);
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BSP_IntEn(int_id);
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IntEnable(int_uart);
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IntPrioritySet(int_uart, 3 << 5); // 设置中断优先级
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UARTIntEnable(uart_base, UART_INT_RX | UART_INT_RT);
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return 0;
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}
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int8_t BspUartInit(uint8_t uart_id, uint32_t bandrate, uint8_t databit, uint8_t stopbit, uint8_t checkbit) {
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switch (uart_id) {
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case USR_UART0:
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return UartCommonInit(USR_UART0_SYSCTL, USR_UART0_GPIO_SYSCTL,
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USR_UART0_BASE, USR_UART0_GPIO_BASE,
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USR_URAT0_GPIO_RX, USR_UART0_GPIO_TX,
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USR_URAT0_GPIO_RX_PIN, USR_UART0_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART0, BspUart0IntHandler,
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USR_INT_UART0, bandrate, databit, stopbit, checkbit);
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case USR_UART1:
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return UartCommonInit(USR_UART1_SYSCTL, USR_UART1_GPIO_SYSCTL,
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USR_UART1_BASE, USR_UART1_GPIO_BASE,
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USR_URAT1_GPIO_RX, USR_UART1_GPIO_TX,
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USR_URAT1_GPIO_RX_PIN, USR_UART1_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART1, BspUart1IntHandler,
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USR_INT_UART1, bandrate, databit, stopbit, checkbit);
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case USR_UART2:
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return UartCommonInit(USR_UART2_SYSCTL, USR_UART2_GPIO_SYSCTL,
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USR_UART2_BASE, USR_UART2_GPIO_BASE,
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USR_URAT2_GPIO_RX, USR_UART2_GPIO_TX,
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USR_URAT2_GPIO_RX_PIN, USR_UART2_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART2, BspUart2IntHandler,
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USR_INT_UART2, bandrate, databit, stopbit, checkbit);
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case USR_UART3:
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return UartCommonInit(USR_UART3_SYSCTL, USR_UART3_GPIO_SYSCTL,
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USR_UART3_BASE, USR_UART3_GPIO_BASE,
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USR_URAT3_GPIO_RX, USR_UART3_GPIO_TX,
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USR_URAT3_GPIO_RX_PIN, USR_UART3_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART3, BspUart3IntHandler,
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USR_INT_UART3, bandrate, databit, stopbit, checkbit);
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case USR_UART4:
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return UartCommonInit(USR_UART4_SYSCTL, USR_UART4_GPIO_SYSCTL,
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USR_UART4_BASE, USR_UART4_GPIO_BASE,
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USR_URAT4_GPIO_RX, USR_UART4_GPIO_TX,
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USR_URAT4_GPIO_RX_PIN, USR_UART4_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART4, BspUart4IntHandler,
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USR_INT_UART4, bandrate, databit, stopbit, checkbit);
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case USR_UART5:
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return UartCommonInit(USR_UART5_SYSCTL, USR_UART5_GPIO_SYSCTL,
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USR_UART5_BASE, USR_UART5_GPIO_BASE,
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USR_URAT5_GPIO_RX, USR_UART5_GPIO_TX,
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USR_URAT5_GPIO_RX_PIN, USR_UART5_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART5, BspUart5IntHandler,
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USR_INT_UART5, bandrate, databit, stopbit, checkbit);
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case USR_UART6:
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return UartCommonInit(USR_UART6_SYSCTL, USR_UART6_GPIO_SYSCTL,
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USR_UART6_BASE, USR_UART6_GPIO_BASE,
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USR_URAT6_GPIO_RX, USR_UART6_GPIO_TX,
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USR_URAT6_GPIO_RX_PIN, USR_UART6_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART6, BspUart6IntHandler,
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USR_INT_UART6, bandrate, databit, stopbit, checkbit);
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case USR_UART7:
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return UartCommonInit(USR_UART7_SYSCTL, USR_UART7_GPIO_SYSCTL,
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USR_UART7_BASE, USR_UART7_GPIO_BASE,
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USR_URAT7_GPIO_RX, USR_UART7_GPIO_TX,
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USR_URAT7_GPIO_RX_PIN, USR_UART7_GPIO_TX_PIN,
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USR_BSP_INT_ID_UART7, BspUart7IntHandler,
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USR_INT_UART7, bandrate, databit, stopbit, checkbit);
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default:
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return -1;
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}
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}
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/* 串口发送函数
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* 返回值:
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* 0: 成功
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* -1: 失败
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*/
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int8_t BspUartSend(uint8_t uart_id, uint8_t *data, uint32_t data_len)
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{
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uint32_t i = 0;
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uint32_t uart_base;
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CPU_SR_ALLOC();
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OS_ENTER_CRITICAL();
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switch (uart_id) {
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case USR_UART0: uart_base = UART0_BASE; break;
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case USR_UART1: uart_base = UART1_BASE; break;
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case USR_UART2: uart_base = UART2_BASE; break;
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case USR_UART3: uart_base = UART3_BASE; break;
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case USR_UART4: uart_base = UART4_BASE; break;
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case USR_UART5: uart_base = UART5_BASE; break;
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case USR_UART6: uart_base = UART6_BASE; break;
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case USR_UART7: uart_base = UART7_BASE; break;
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default:
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OS_EXIT_CRITICAL();
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return -1;
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}
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// 发送数据
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for (i = 0; i < data_len; i++) {
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UARTCharPut(uart_base, data[i]);
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}
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while (UARTBusy(uart_base)) {
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//OSTimeDly(1);
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}
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OS_EXIT_CRITICAL();
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return 0;
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}
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uint32_t BspUartGetInfo(uint8_t uart_id, uint8_t *info, uint32_t info_len)
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{
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uint32_t i = 0;
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CPU_SR_ALLOC();
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OS_ENTER_CRITICAL();
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switch (uart_id) {
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case USR_UART0:
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for (i = 0; i < info_len; i++) {
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if (uart0_recv_temp == uart0_recv_local) {
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break;
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}
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info[i] = usr_uart0_recv_space[uart0_recv_temp];
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uart0_recv_temp++;
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uart0_recv_temp = uart0_recv_temp % UART0_RECV_CACHE_MAX;
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}
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break;
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case USR_UART1:
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for (i = 0; i < info_len; i++) {
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if (uart1_recv_temp == uart1_recv_local) {
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break;
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}
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info[i] = usr_uart1_recv_space[uart1_recv_temp];
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uart1_recv_temp++;
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uart1_recv_temp = uart1_recv_temp % UART1_RECV_CACHE_MAX;
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}
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break;
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case USR_UART2:
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for (i = 0; i < info_len; i++) {
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if (uart2_recv_temp == uart2_recv_local) {
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break;
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}
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info[i] = usr_uart2_recv_space[uart2_recv_temp];
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uart2_recv_temp++;
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uart2_recv_temp = uart2_recv_temp % UART2_RECV_CACHE_MAX;
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}
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break;
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case USR_UART3:
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for (i = 0; i < info_len; i++) {
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if (uart3_recv_temp == uart3_recv_local) {
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break;
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}
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info[i] = usr_uart3_recv_space[uart3_recv_temp];
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uart3_recv_temp++;
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uart3_recv_temp = uart3_recv_temp % UART3_RECV_CACHE_MAX;
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}
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break;
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case USR_UART4:
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for (i = 0; i < info_len; i++) {
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if (uart4_recv_temp == uart4_recv_local) {
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break;
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}
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info[i] = usr_uart4_recv_space[uart4_recv_temp];
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uart4_recv_temp++;
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uart4_recv_temp = uart4_recv_temp % UART4_RECV_CACHE_MAX;
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}
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break;
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case USR_UART5:
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for (i = 0; i < info_len; i++) {
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if (uart5_recv_temp == uart5_recv_local) {
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break;
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}
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info[i] = usr_uart5_recv_space[uart5_recv_temp];
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uart5_recv_temp++;
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uart5_recv_temp = uart5_recv_temp % UART5_RECV_CACHE_MAX;
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}
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break;
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case USR_UART6:
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for (i = 0; i < info_len; i++) {
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if (uart6_recv_temp == uart6_recv_local) {
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break;
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}
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info[i] = usr_uart6_recv_space[uart6_recv_temp];
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uart6_recv_temp++;
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uart6_recv_temp = uart6_recv_temp % UART6_RECV_CACHE_MAX;
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}
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break;
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case USR_UART7:
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for (i = 0; i < info_len; i++) {
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if (uart7_recv_temp == uart7_recv_local) {
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break;
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}
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info[i] = usr_uart7_recv_space[uart7_recv_temp];
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uart7_recv_temp++;
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uart7_recv_temp = uart7_recv_temp % UART7_RECV_CACHE_MAX;
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}
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break;
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default:
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break;
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}
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OS_EXIT_CRITICAL();
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return i;
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}
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static void BspUartIntHandler(uint32_t uartBase, uint8_t* recvSpace, uint32_t* recvLocal, uint32_t recvCacheMax) {
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uint32_t ui32Status;
|
||
|
|
ui32Status = UARTIntStatus(uartBase, true);
|
||
|
|
UARTIntClear(uartBase, ui32Status);
|
||
|
|
OSIntEnter();
|
||
|
|
while (UARTCharsAvail(uartBase)) {
|
||
|
|
recvSpace[*recvLocal] = (uint8_t)UARTCharGetNonBlocking(uartBase);
|
||
|
|
(*recvLocal)++;
|
||
|
|
*recvLocal = *recvLocal % recvCacheMax;
|
||
|
|
}
|
||
|
|
OSIntExit();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart0IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART0_BASE, usr_uart0_recv_space, &uart0_recv_local, UART0_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart1IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART1_BASE, usr_uart1_recv_space, &uart1_recv_local, UART1_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart2IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART2_BASE, usr_uart2_recv_space, &uart2_recv_local, UART2_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart3IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART3_BASE, usr_uart3_recv_space, &uart3_recv_local, UART3_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart4IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART4_BASE, usr_uart4_recv_space, &uart4_recv_local, UART4_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart5IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART5_BASE, usr_uart5_recv_space, &uart5_recv_local, UART5_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart6IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART6_BASE, usr_uart6_recv_space, &uart6_recv_local, UART6_RECV_CACHE_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BspUart7IntHandler(void) {
|
||
|
|
BspUartIntHandler(UART7_BASE, usr_uart7_recv_space, &uart7_recv_local, UART7_RECV_CACHE_MAX);
|
||
|
|
}
|