Implement UART driver files for AT32UC3B: Working commit
This commit is contained in:
Raman Gopalan
Meco Man
parent
ecd29fda60
commit
265a55303e
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@ -74,8 +74,8 @@ CONFIG_RT_USING_DEVICE=y
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# CONFIG_RT_USING_INTERRUPT_INFO is not set
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# CONFIG_RT_USING_INTERRUPT_INFO is not set
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CONFIG_RT_USING_CONSOLE=y
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CONFIG_RT_USING_CONSOLE=y
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CONFIG_RT_CONSOLEBUF_SIZE=128
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CONFIG_RT_CONSOLEBUF_SIZE=128
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CONFIG_RT_CONSOLE_DEVICE_NAME="uart"
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CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
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CONFIG_RT_VER_NUM=0x50002
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CONFIG_RT_VER_NUM=0x50100
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# CONFIG_RT_USING_STDC_ATOMIC is not set
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# CONFIG_RT_USING_STDC_ATOMIC is not set
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# CONFIG_RT_USING_CACHE is not set
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# CONFIG_RT_USING_CACHE is not set
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# CONFIG_RT_USING_HW_ATOMIC is not set
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# CONFIG_RT_USING_HW_ATOMIC is not set
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@ -121,7 +121,7 @@ CONFIG_RT_UNAMED_PIPE_NUMBER=64
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CONFIG_RT_USING_SERIAL=y
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CONFIG_RT_USING_SERIAL=y
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CONFIG_RT_USING_SERIAL_V1=y
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CONFIG_RT_USING_SERIAL_V1=y
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# CONFIG_RT_USING_SERIAL_V2 is not set
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# CONFIG_RT_USING_SERIAL_V2 is not set
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CONFIG_RT_SERIAL_USING_DMA=y
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# CONFIG_RT_SERIAL_USING_DMA is not set
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CONFIG_RT_SERIAL_RB_BUFSZ=64
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CONFIG_RT_SERIAL_RB_BUFSZ=64
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# CONFIG_RT_USING_CAN is not set
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# CONFIG_RT_USING_CAN is not set
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# CONFIG_RT_USING_HWTIMER is not set
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# CONFIG_RT_USING_HWTIMER is not set
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@ -984,3 +984,23 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
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#
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#
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# Uncategorized
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# Uncategorized
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#
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#
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#
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# On-chip Peripheral Drivers
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#
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CONFIG_BSP_USING_PIN=y
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CONFIG_BSP_USING_UART=y
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# CONFIG_BSP_USING_UART0 is not set
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# CONFIG_BSP_UART0_TX_PIN_19 is not set
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# CONFIG_BSP_UART0_TX_PIN_43 is not set
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# CONFIG_BSP_UART0_RX_PIN_18 is not set
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# CONFIG_BSP_UART0_RX_PIN_42 is not set
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CONFIG_BSP_USING_UART1=y
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CONFIG_BSP_UART1_TX_PIN_34=y
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# CONFIG_BSP_UART1_TX_PIN_23 is not set
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CONFIG_BSP_UART1_TX_PIN=34
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CONFIG_BSP_UART1_TX_PIN_FUNCTION=2
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CONFIG_BSP_UART1_RX_PIN_35=y
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# CONFIG_BSP_UART1_RX_PIN_24 is not set
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CONFIG_BSP_UART1_RX_PIN=35
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CONFIG_BSP_UART1_RX_PIN_FUNCTION=2
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@ -26,3 +26,96 @@ config ENV_DIR
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source "$RTT_DIR/Kconfig"
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source "$RTT_DIR/Kconfig"
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source "$PKGS_DIR/Kconfig"
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source "$PKGS_DIR/Kconfig"
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menu "On-chip Peripheral Drivers"
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config BSP_USING_PIN
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bool "Enable GPIO"
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select RT_USING_PIN
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default y
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menuconfig BSP_USING_UART
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bool "Enable UART"
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select RT_USING_SERIAL
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default y
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if BSP_USING_UART
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config BSP_USING_UART0
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bool "Enable UART0"
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default n
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if BSP_USING_UART0
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choice
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prompt "uart0 tx pin number (GP)"
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depends on BSP_USING_UART0
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default BSP_UART0_TX_PIN_43
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config BSP_UART0_TX_PIN_19
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bool "19"
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config BSP_UART0_TX_PIN_43
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bool "43"
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endchoice
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config BSP_UART0_TX_PIN
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int
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default 19 if BSP_UART0_TX_PIN_19
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default 43 if BSP_UART0_TX_PIN_43
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config BSP_UART0_TX_PIN_FUNCTION
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int
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default 0 if BSP_UART0_TX_PIN_19
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default 2 if BSP_UART0_TX_PIN_43
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choice
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prompt "uart0 rx pin number (GP)"
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depends on BSP_USING_UART0
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default BSP_UART0_RX_PIN_42
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config BSP_UART0_RX_PIN_18
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bool "18"
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config BSP_UART0_RX_PIN_42
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bool "42"
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endchoice
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config BSP_UART0_RX_PIN
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int
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default 18 if BSP_UART0_RX_PIN_18
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default 42 if BSP_UART0_RX_PIN_42
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config BSP_UART0_RX_PIN_FUNCTION
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int
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default 0 if BSP_UART0_RX_PIN_18
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default 2 if BSP_UART0_RX_PIN_42
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endif
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config BSP_USING_UART1
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bool "Enable UART1"
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default y
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if BSP_USING_UART1
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choice
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prompt "uart1 tx pin number (GP)"
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depends on BSP_USING_UART1
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default BSP_UART1_TX_PIN_34
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config BSP_UART1_TX_PIN_34
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bool "34"
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config BSP_UART1_TX_PIN_23
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bool "23"
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endchoice
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config BSP_UART1_TX_PIN
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int
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default 34 if BSP_UART1_TX_PIN_34
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default 23 if BSP_UART1_TX_PIN_23
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config BSP_UART1_TX_PIN_FUNCTION
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int
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default 2 if BSP_UART1_TX_PIN_34
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default 0 if BSP_UART1_TX_PIN_23
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choice
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prompt "uart1 rx pin number (GP)"
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depends on BSP_USING_UART1
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default BSP_UART1_RX_PIN_35
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config BSP_UART1_RX_PIN_35
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bool "35"
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config BSP_UART1_RX_PIN_24
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bool "24"
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endchoice
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config BSP_UART1_RX_PIN
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int
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default 35 if BSP_UART1_RX_PIN_35
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default 24 if BSP_UART1_RX_PIN_24
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config BSP_UART1_RX_PIN_FUNCTION
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int
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default 2 if BSP_UART1_RX_PIN_35
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default 0 if BSP_UART1_RX_PIN_24
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endif
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endif
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endmenu
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@ -2,7 +2,7 @@ import rtconfig
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Import('RTT_ROOT')
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Import('RTT_ROOT')
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from building import *
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from building import *
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src_bsp = ['application.c', 'startup.c', 'board.c']
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src_bsp = ['application.c', 'startup.c', 'board.c', 'drv_uart.c']
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src = File(src_bsp)
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src = File(src_bsp)
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CPPPATH = [RTT_ROOT + '/bsp/avr32uc3b0']
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CPPPATH = [RTT_ROOT + '/bsp/avr32uc3b0']
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@ -10,7 +10,7 @@ else:
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sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
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sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
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from building import *
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from building import *
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TARGET = 'rtthread-' + rtconfig.ARCH + '.' + rtconfig.TARGET_EXT
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TARGET = 'rtthread-' + rtconfig.PART + '.' + rtconfig.TARGET_EXT
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DefaultEnvironment(tools=[])
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DefaultEnvironment(tools=[])
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env = Environment(tools = ['mingw'],
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env = Environment(tools = ['mingw'],
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@ -19,12 +19,12 @@ static void rt_thread_entry_led1(void* parameter)
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while (1)
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while (1)
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{
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{
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/* led on */
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/* led on */
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rt_kprintf("LED1 on\r\n");
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//rt_kprintf("LED1 on\r\n");
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gpio_tgl_gpio_pin(AVR32_PIN_PA08);
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gpio_tgl_gpio_pin(AVR32_PIN_PA08);
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rt_thread_delay(RT_TICK_PER_SECOND / 2); /* sleep 0.5 second and switch to other thread */
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rt_thread_delay(RT_TICK_PER_SECOND / 2); /* sleep 0.5 second and switch to other thread */
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/* led off */
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/* led off */
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rt_kprintf("LED1 off\r\n");
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//rt_kprintf("LED1 off\r\n");
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gpio_tgl_gpio_pin(AVR32_PIN_PA08);
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gpio_tgl_gpio_pin(AVR32_PIN_PA08);
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rt_thread_delay(RT_TICK_PER_SECOND / 2);
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rt_thread_delay(RT_TICK_PER_SECOND / 2);
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}
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}
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@ -37,12 +37,12 @@ void rt_thread_entry_led2(void* parameter)
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while (1)
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while (1)
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{
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{
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/* led on */
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/* led on */
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rt_kprintf("LED2 on");
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//rt_kprintf("LED2 on");
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gpio_tgl_gpio_pin(AVR32_PIN_PA07);
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gpio_tgl_gpio_pin(AVR32_PIN_PA07);
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rt_thread_delay(RT_TICK_PER_SECOND);
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rt_thread_delay(RT_TICK_PER_SECOND);
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/* led off */
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/* led off */
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rt_kprintf("LED2 off\r\n");
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//rt_kprintf("LED2 off\r\n");
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gpio_tgl_gpio_pin(AVR32_PIN_PA07);
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gpio_tgl_gpio_pin(AVR32_PIN_PA07);
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rt_thread_delay(RT_TICK_PER_SECOND);
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rt_thread_delay(RT_TICK_PER_SECOND);
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}
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}
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@ -1,11 +1,12 @@
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/*
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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*
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* SPDX-License-Identifier: Apache-2.0
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* SPDX-License-Identifier: Apache-2.0
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*
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*
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* Change Logs:
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* Change Logs:
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* Date Author Notes
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* Date Author Notes
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* 2010-03-30 Kyle First version
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* 2010-03-30 Kyle First version
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* 2023-10-13 Raman Gopalan Move UART specific code sections into the drv_uart files
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*/
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*/
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#include <rtthread.h>
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#include <rtthread.h>
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@ -14,16 +15,7 @@
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#include "gpio.h"
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#include "gpio.h"
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#include "usart.h"
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#include "usart.h"
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#include "intc.h"
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#include "intc.h"
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#include "serial.h"
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#include "drv_uart.h"
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#define FOSC0 12000000
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#define FCPU 60000000
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#define FHSB FCPU
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#define FPBA FCPU
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#define FPBB FCPU
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extern void rt_hw_serial_isr(void);
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extern void rt_hw_usart_init(void);
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/**
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/**
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* System tick interrupt handler.
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* System tick interrupt handler.
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@ -52,24 +44,7 @@ static void peripherals_init(void)
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.osc0_startup = AVR32_PM_OSCCTRL0_STARTUP_2048_RCOSC
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.osc0_startup = AVR32_PM_OSCCTRL0_STARTUP_2048_RCOSC
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};
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};
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pm_configure_clocks(&pm_freq_param);
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pm_configure_clocks(&pm_freq_param);
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/*
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* USART1 initialization
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*/
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gpio_enable_module_pin(AVR32_USART1_TXD_0_1_PIN, AVR32_USART1_TXD_0_1_FUNCTION);
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gpio_enable_module_pin(AVR32_USART1_RXD_0_1_PIN, AVR32_USART1_RXD_0_1_FUNCTION);
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static const usart_options_t usartOptions = {
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.baudrate = 115200,
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.charlength = 8,
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.paritytype = USART_NO_PARITY,
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.stopbits = USART_1_STOPBIT,
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.channelmode = USART_NORMAL_CHMODE
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};
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usart_init_rs232(&AVR32_USART1, &usartOptions, FCPU);
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INTC_init_interrupts();
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INTC_init_interrupts();
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INTC_register_interrupt(&rt_hw_serial_isr, AVR32_USART1_IRQ, AVR32_INTC_INT0);
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AVR32_USART1.ier = AVR32_USART_IER_RXRDY_MASK;
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}
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}
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/**
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/**
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@ -84,14 +59,20 @@ static void cpu_counter_init(void)
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void rt_hw_board_init(void)
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void rt_hw_board_init(void)
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{
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{
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extern struct rt_device _rt_usart_device;
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extern struct avr32_serial_device uart;
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Disable_global_interrupt();
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Disable_global_interrupt();
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peripherals_init();
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peripherals_init();
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cpu_counter_init();
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cpu_counter_init();
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rt_hw_serial_register(&_rt_usart_device, "uart1", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM, &uart);
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#ifdef RT_USING_COMPONENTS_INIT
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rt_console_set_device("uart1");
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rt_components_board_init();
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#endif
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#ifdef RT_USING_SERIAL
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rt_hw_uart_init();
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#endif
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#ifdef RT_USING_CONSOLE
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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}
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}
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@ -0,0 +1,313 @@
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2009-02-05 Bernard first version
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* 2009-10-25 Bernard fix rt_serial_read bug when there is no data
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* in the buffer.
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* 2010-03-29 Bernard cleanup code.
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* 2010-03-30 Kyle Ported from STM32 to AVR32.
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* 2023-10-13 Raman Gopalan UART driver for at32uc3b: Initial version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "drv_uart.h"
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#ifdef RT_USING_SERIAL
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#include "compiler.h"
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#include "usart.h"
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#include "gpio.h"
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#include "intc.h"
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#if !defined(BSP_USING_UART0) && !defined(BSP_USING_UART1)
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#error "Please define at least one BSP_USING_UARTx"
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/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
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#endif
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#ifdef BSP_USING_UART0
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void avr32uc3b_uart0_isr(void);
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#endif
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#ifdef BSP_USING_UART1
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void avr32uc3b_uart1_isr(void);
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#endif
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#ifdef BSP_USING_UART2
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void avr32uc3b_uart2_isr(void);
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#endif
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/* AVR32UC3B uart driver */
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struct avr32uc3b_uart_dev
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{
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rt_serial_t parent;
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avr32_usart_t *instance;
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rt_uint32_t irqno;
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rt_uint32_t irq_level;
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rt_uint32_t tx_pin;
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rt_uint32_t tx_pin_function;
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rt_uint32_t rx_pin;
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rt_uint32_t rx_pin_function;
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void (*uart_isr)(void);
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};
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static struct avr32uc3b_uart_dev uart_dev[] =
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{
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#ifdef BSP_USING_UART0
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{
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||||||
|
.instance = (avr32_usart_t *)&AVR32_USART0,
|
||||||
|
.irqno = AVR32_USART0_IRQ,
|
||||||
|
.irq_level = AVR32_INTC_INT0,
|
||||||
|
.tx_pin = BSP_UART0_TX_PIN,
|
||||||
|
.tx_pin_function = BSP_UART0_TX_PIN_FUNCTION,
|
||||||
|
.rx_pin = BSP_UART0_RX_PIN,
|
||||||
|
.rx_pin_function = BSP_UART0_RX_PIN_FUNCTION,
|
||||||
|
.uart_isr = avr32uc3b_uart0_isr,
|
||||||
|
},
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART1
|
||||||
|
{
|
||||||
|
.instance = (avr32_usart_t *)&AVR32_USART1,
|
||||||
|
.irqno = AVR32_USART1_IRQ,
|
||||||
|
.irq_level = AVR32_INTC_INT0,
|
||||||
|
.tx_pin = BSP_UART1_TX_PIN,
|
||||||
|
.tx_pin_function = BSP_UART1_TX_PIN_FUNCTION,
|
||||||
|
.rx_pin = BSP_UART1_RX_PIN,
|
||||||
|
.rx_pin_function = BSP_UART1_RX_PIN_FUNCTION,
|
||||||
|
.uart_isr = avr32uc3b_uart1_isr,
|
||||||
|
},
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART2
|
||||||
|
{
|
||||||
|
.instance = (avr32_usart_t *)&AVR32_USART2,
|
||||||
|
.irqno = AVR32_USART2_IRQ,
|
||||||
|
.irq_level = AVR32_INTC_INT0,
|
||||||
|
.tx_pin = BSP_UART2_TX_PIN,
|
||||||
|
.tx_pin_function = BSP_UART2_TX_PIN_FUNCTION,
|
||||||
|
.rx_pin = BSP_UART2_RX_PIN,
|
||||||
|
.rx_pin_function = BSP_UART2_RX_PIN_FUNCTION,
|
||||||
|
.uart_isr = avr32uc3b_uart2_isr,
|
||||||
|
},
|
||||||
|
#endif
|
||||||
|
};
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
#ifdef BSP_USING_UART0
|
||||||
|
UART0_INDEX,
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART1
|
||||||
|
UART1_INDEX,
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART2
|
||||||
|
UART2_INDEX,
|
||||||
|
#endif
|
||||||
|
};
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART0
|
||||||
|
void avr32uc3b_uart0_isr(void)
|
||||||
|
{
|
||||||
|
rt_interrupt_enter();
|
||||||
|
/* read interrupt status and clear it */
|
||||||
|
if (usart_test_hit(&AVR32_USART0)) /* rx ind */
|
||||||
|
{
|
||||||
|
rt_hw_serial_isr(&uart_dev[UART0_INDEX].parent, RT_SERIAL_EVENT_RX_IND);
|
||||||
|
}
|
||||||
|
|
||||||
|
rt_interrupt_leave();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART1
|
||||||
|
void avr32uc3b_uart1_isr(void)
|
||||||
|
{
|
||||||
|
rt_interrupt_enter();
|
||||||
|
/* read interrupt status and clear it */
|
||||||
|
if (usart_test_hit(&AVR32_USART1)) /* rx ind */
|
||||||
|
{
|
||||||
|
rt_hw_serial_isr(&uart_dev[UART1_INDEX].parent, RT_SERIAL_EVENT_RX_IND);
|
||||||
|
}
|
||||||
|
|
||||||
|
rt_interrupt_leave();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART2
|
||||||
|
void avr32uc3b_uart2_isr(void)
|
||||||
|
{
|
||||||
|
rt_interrupt_enter();
|
||||||
|
/* read interrupt status and clear it */
|
||||||
|
if (usart_test_hit(&AVR32_USART2)) /* rx ind */
|
||||||
|
{
|
||||||
|
rt_hw_serial_isr(&uart_dev[UART2_INDEX].parent, RT_SERIAL_EVENT_RX_IND);
|
||||||
|
}
|
||||||
|
|
||||||
|
rt_interrupt_leave();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @addtogroup AVR32UC3
|
||||||
|
*/
|
||||||
|
/*@{*/
|
||||||
|
|
||||||
|
static rt_err_t avr32uc3b_uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
|
||||||
|
{
|
||||||
|
struct avr32uc3b_uart_dev *uart = RT_NULL;
|
||||||
|
unsigned char l_parity;
|
||||||
|
unsigned short l_stop;
|
||||||
|
unsigned long l_baud;
|
||||||
|
unsigned char l_data_bits;
|
||||||
|
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
RT_ASSERT(cfg != RT_NULL);
|
||||||
|
|
||||||
|
uart = rt_container_of(serial, struct avr32uc3b_uart_dev, parent);
|
||||||
|
// Set the TX and RX pins by using the function select on the GPIO
|
||||||
|
// Set datasheet for more information on function select
|
||||||
|
gpio_enable_module_pin(uart->tx_pin, uart->tx_pin_function);
|
||||||
|
gpio_enable_module_pin(uart->rx_pin, uart->rx_pin_function);
|
||||||
|
|
||||||
|
/* Parity settings */
|
||||||
|
if (cfg->parity == PARITY_ODD)
|
||||||
|
l_parity = USART_ODD_PARITY;
|
||||||
|
else if (cfg->parity == PARITY_EVEN)
|
||||||
|
l_parity = USART_EVEN_PARITY;
|
||||||
|
else
|
||||||
|
l_parity = USART_NO_PARITY;
|
||||||
|
|
||||||
|
/* Stopbit settings */
|
||||||
|
if (cfg->stop_bits == STOP_BITS_1)
|
||||||
|
l_stop = USART_1_STOPBIT;
|
||||||
|
else
|
||||||
|
l_stop = USART_2_STOPBITS;
|
||||||
|
|
||||||
|
l_baud = cfg->baud_rate;
|
||||||
|
l_data_bits = cfg->data_bits;
|
||||||
|
|
||||||
|
/* Populate */
|
||||||
|
usart_options_t usart_options = {
|
||||||
|
.baudrate = l_baud,
|
||||||
|
.charlength = l_data_bits,
|
||||||
|
.paritytype = l_parity,
|
||||||
|
.stopbits = l_stop,
|
||||||
|
.channelmode = USART_NORMAL_CHMODE
|
||||||
|
};
|
||||||
|
|
||||||
|
usart_init_rs232(uart->instance, &usart_options, FCPU);
|
||||||
|
|
||||||
|
return RT_EOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static rt_err_t avr32uc3b_uart_control(struct rt_serial_device *serial, int cmd, void *arg)
|
||||||
|
{
|
||||||
|
struct avr32uc3b_uart_dev *uart = RT_NULL;
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
uart = rt_container_of(serial, struct avr32uc3b_uart_dev, parent);
|
||||||
|
|
||||||
|
switch (cmd)
|
||||||
|
{
|
||||||
|
/* enable interrupt */
|
||||||
|
case RT_DEVICE_CTRL_SET_INT:
|
||||||
|
// Set up a RX interrupt
|
||||||
|
// We need to set up the handler first
|
||||||
|
// And set up and enable the interrupt handlers
|
||||||
|
//INTC_init_interrupts();
|
||||||
|
INTC_register_interrupt(uart->uart_isr, uart->irqno, uart->irq_level);
|
||||||
|
//*(uart->instance)->ier = AVR32_USART_IER_RXRDY_MASK;
|
||||||
|
AVR32_USART1.ier = AVR32_USART_IER_RXRDY_MASK;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return RT_EOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int avr32uc3b_uart_putc(struct rt_serial_device *serial, char c)
|
||||||
|
{
|
||||||
|
struct avr32uc3b_uart_dev *uart = RT_NULL;
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
uart = rt_container_of(serial, struct avr32uc3b_uart_dev, parent);
|
||||||
|
usart_putchar(uart->instance, c);
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int avr32uc3b_uart_getc(struct rt_serial_device *serial)
|
||||||
|
{
|
||||||
|
struct avr32uc3b_uart_dev *uart = RT_NULL;
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
uart = rt_container_of(serial, struct avr32uc3b_uart_dev, parent);
|
||||||
|
|
||||||
|
int ch;
|
||||||
|
if (usart_read_char(uart->instance, &ch) == USART_SUCCESS)
|
||||||
|
return ch;
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
const static struct rt_uart_ops _uart_ops =
|
||||||
|
{
|
||||||
|
avr32uc3b_uart_configure,
|
||||||
|
avr32uc3b_uart_control,
|
||||||
|
avr32uc3b_uart_putc,
|
||||||
|
avr32uc3b_uart_getc,
|
||||||
|
RT_NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* UART Initiation
|
||||||
|
*/
|
||||||
|
int rt_hw_uart_init(void)
|
||||||
|
{
|
||||||
|
rt_err_t ret = RT_EOK;
|
||||||
|
|
||||||
|
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART0
|
||||||
|
uart_dev[UART0_INDEX].parent.ops = &_uart_ops;
|
||||||
|
uart_dev[UART0_INDEX].parent.config = config;
|
||||||
|
|
||||||
|
ret = rt_hw_serial_register(&uart_dev[UART0_INDEX].parent,
|
||||||
|
"uart0",
|
||||||
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
||||||
|
&uart_dev[UART0_INDEX]);
|
||||||
|
RT_ASSERT(ret == RT_EOK);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART1
|
||||||
|
uart_dev[UART1_INDEX].parent.ops = &_uart_ops;
|
||||||
|
uart_dev[UART1_INDEX].parent.config = config;
|
||||||
|
|
||||||
|
ret = rt_hw_serial_register(&uart_dev[UART1_INDEX].parent,
|
||||||
|
"uart1",
|
||||||
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
||||||
|
&uart_dev[UART1_INDEX]);
|
||||||
|
RT_ASSERT(ret == RT_EOK);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef BSP_USING_UART2
|
||||||
|
uart_dev[UART2_INDEX].parent.ops = &_uart_ops;
|
||||||
|
uart_dev[UART2_INDEX].parent.config = config;
|
||||||
|
|
||||||
|
ret = rt_hw_serial_register(&uart_dev[UART2_INDEX].parent,
|
||||||
|
"uart2",
|
||||||
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
||||||
|
&uart_dev[UART2_INDEX]);
|
||||||
|
RT_ASSERT(ret == RT_EOK);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* RT_USING_SERIAL */
|
||||||
|
|
||||||
|
/*@}*/
|
||||||
|
|
@ -0,0 +1,35 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
||||||
|
*
|
||||||
|
* SPDX-License-Identifier: Apache-2.0
|
||||||
|
*
|
||||||
|
* Change Logs:
|
||||||
|
* Date Author Notes
|
||||||
|
* 2009-01-05 Bernard first version
|
||||||
|
* 2010-03-29 Bernard remove interrupt tx and DMA rx mode.
|
||||||
|
* 2010-03-30 Kyle Ported from STM32 to AVR32.
|
||||||
|
* 2023-10-13 Raman Gopalan UART driver for at32uc3b: Initial version
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __RT_HW_SERIAL_H__
|
||||||
|
#define __RT_HW_SERIAL_H__
|
||||||
|
|
||||||
|
#include <rthw.h>
|
||||||
|
#include <rtthread.h>
|
||||||
|
#include "compiler.h"
|
||||||
|
#include "usart.h"
|
||||||
|
|
||||||
|
#define FOSC0 12000000
|
||||||
|
#define FCPU 60000000
|
||||||
|
#define FHSB FCPU
|
||||||
|
#define FPBA FCPU
|
||||||
|
#define FPBB FCPU
|
||||||
|
|
||||||
|
#define UART_RX_BUFFER_SIZE 64
|
||||||
|
#define UART_TX_DMA_NODE_SIZE 4
|
||||||
|
|
||||||
|
#ifdef RT_USING_SERIAL
|
||||||
|
int rt_hw_uart_init(void);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -47,8 +47,8 @@
|
||||||
#define RT_USING_DEVICE
|
#define RT_USING_DEVICE
|
||||||
#define RT_USING_CONSOLE
|
#define RT_USING_CONSOLE
|
||||||
#define RT_CONSOLEBUF_SIZE 128
|
#define RT_CONSOLEBUF_SIZE 128
|
||||||
#define RT_CONSOLE_DEVICE_NAME "uart"
|
#define RT_CONSOLE_DEVICE_NAME "uart1"
|
||||||
#define RT_VER_NUM 0x50002
|
#define RT_VER_NUM 0x50100
|
||||||
|
|
||||||
/* RT-Thread Components */
|
/* RT-Thread Components */
|
||||||
|
|
||||||
|
|
@ -76,7 +76,6 @@
|
||||||
#define RT_UNAMED_PIPE_NUMBER 64
|
#define RT_UNAMED_PIPE_NUMBER 64
|
||||||
#define RT_USING_SERIAL
|
#define RT_USING_SERIAL
|
||||||
#define RT_USING_SERIAL_V1
|
#define RT_USING_SERIAL_V1
|
||||||
#define RT_SERIAL_USING_DMA
|
|
||||||
#define RT_SERIAL_RB_BUFSZ 64
|
#define RT_SERIAL_RB_BUFSZ 64
|
||||||
#define RT_USING_PIN
|
#define RT_USING_PIN
|
||||||
|
|
||||||
|
|
@ -225,5 +224,16 @@
|
||||||
|
|
||||||
/* Uncategorized */
|
/* Uncategorized */
|
||||||
|
|
||||||
|
/* On-chip Peripheral Drivers */
|
||||||
|
|
||||||
|
#define BSP_USING_PIN
|
||||||
|
#define BSP_USING_UART
|
||||||
|
#define BSP_USING_UART1
|
||||||
|
#define BSP_UART1_TX_PIN_34
|
||||||
|
#define BSP_UART1_TX_PIN 34
|
||||||
|
#define BSP_UART1_TX_PIN_FUNCTION 2
|
||||||
|
#define BSP_UART1_RX_PIN_35
|
||||||
|
#define BSP_UART1_RX_PIN 35
|
||||||
|
#define BSP_UART1_RX_PIN_FUNCTION 2
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
|
|
@ -5,6 +5,7 @@ ARCH = 'avr32'
|
||||||
CPU = 'uc3'
|
CPU = 'uc3'
|
||||||
PART = 'uc3b0256'
|
PART = 'uc3b0256'
|
||||||
BOARD = 'USERBOARD'
|
BOARD = 'USERBOARD'
|
||||||
|
ATOMICS = ' -D__STDC_NO_ATOMICS__'
|
||||||
|
|
||||||
CROSS_TOOL = 'gcc'
|
CROSS_TOOL = 'gcc'
|
||||||
|
|
||||||
|
|
@ -13,7 +14,7 @@ if os.getenv('RTT_CC'):
|
||||||
|
|
||||||
if CROSS_TOOL == 'gcc':
|
if CROSS_TOOL == 'gcc':
|
||||||
PLATFORM = 'gcc'
|
PLATFORM = 'gcc'
|
||||||
EXEC_PATH = 'C:/Program Files/Atmel/AVR Tools/AVR Toolchain/bin'
|
EXEC_PATH = 'C:/Program Files (x86)/Atmel/AVR Tools/AVR Toolchain/bin'
|
||||||
elif CROSS_TOOL == 'keil':
|
elif CROSS_TOOL == 'keil':
|
||||||
print('================ERROR============================')
|
print('================ERROR============================')
|
||||||
print('Not support keil yet!')
|
print('Not support keil yet!')
|
||||||
|
|
@ -44,7 +45,7 @@ if PLATFORM == 'gcc':
|
||||||
OBJCPY = PREFIX + 'objcopy'
|
OBJCPY = PREFIX + 'objcopy'
|
||||||
|
|
||||||
DEVICE = ' -mpart=' + PART
|
DEVICE = ' -mpart=' + PART
|
||||||
CFLAGS = DEVICE + ' -DBOARD=' + BOARD + ' -fmessage-length=0 -ffunction-sections -masm-addr-pseudos'
|
CFLAGS = DEVICE + ' -DBOARD=' + BOARD + ATOMICS + ' -fmessage-length=0 -ffunction-sections -masm-addr-pseudos'
|
||||||
AFLAGS = ' -c -x assembler-with-cpp' + DEVICE
|
AFLAGS = ' -c -x assembler-with-cpp' + DEVICE
|
||||||
LFLAGS = DEVICE + ' -Wl,--gc-sections --rodata-writable -Wl,--direct-data -LSOFTWARE_FRAMEWORK/UTILS/LIBS/NEWLIB_ADDONS -T avr32elf_uc3b0256.lds'
|
LFLAGS = DEVICE + ' -Wl,--gc-sections --rodata-writable -Wl,--direct-data -LSOFTWARE_FRAMEWORK/UTILS/LIBS/NEWLIB_ADDONS -T avr32elf_uc3b0256.lds'
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -39,7 +39,7 @@ int main(void)
|
||||||
/* init finsh */
|
/* init finsh */
|
||||||
finsh_system_init();
|
finsh_system_init();
|
||||||
#if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
|
#if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
|
||||||
finsh_set_device(FINSH_DEVICE_NAME);
|
finsh_set_device(RT_CONSOLE_DEVICE_NAME);
|
||||||
#endif
|
#endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,273 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2006-2022, RT-Thread Development Team
|
|
||||||
*
|
|
||||||
* SPDX-License-Identifier: Apache-2.0
|
|
||||||
*
|
|
||||||
* Change Logs:
|
|
||||||
* Date Author Notes
|
|
||||||
* 2009-02-05 Bernard first version
|
|
||||||
* 2009-10-25 Bernard fix rt_serial_read bug when there is no data
|
|
||||||
* in the buffer.
|
|
||||||
* 2010-03-29 Bernard cleanup code.
|
|
||||||
* 2010-03-30 Kyle Ported from STM32 to AVR32.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include "serial.h"
|
|
||||||
#include "compiler.h"
|
|
||||||
#include "usart.h"
|
|
||||||
|
|
||||||
struct rt_device _rt_usart_device;
|
|
||||||
struct avr32_serial_int_rx _rt_usart_rx;
|
|
||||||
struct avr32_serial_device uart =
|
|
||||||
{
|
|
||||||
.uart_device = (avr32_usart_t *) &AVR32_USART1,
|
|
||||||
.int_rx = &_rt_usart_rx
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @addtogroup AVR32UC3
|
|
||||||
*/
|
|
||||||
/*@{*/
|
|
||||||
|
|
||||||
/* RT-Thread Device Interface */
|
|
||||||
static rt_err_t rt_serial_init (rt_device_t dev)
|
|
||||||
{
|
|
||||||
struct avr32_serial_device* uart = (struct avr32_serial_device*) dev->user_data;
|
|
||||||
|
|
||||||
if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
|
|
||||||
{
|
|
||||||
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
|
|
||||||
{
|
|
||||||
rt_memset(uart->int_rx->rx_buffer, 0, sizeof(uart->int_rx->rx_buffer));
|
|
||||||
uart->int_rx->read_index = 0;
|
|
||||||
uart->int_rx->save_index = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
|
|
||||||
}
|
|
||||||
|
|
||||||
return RT_EOK;
|
|
||||||
}
|
|
||||||
|
|
||||||
static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
|
|
||||||
{
|
|
||||||
return RT_EOK;
|
|
||||||
}
|
|
||||||
|
|
||||||
static rt_err_t rt_serial_close(rt_device_t dev)
|
|
||||||
{
|
|
||||||
return RT_EOK;
|
|
||||||
}
|
|
||||||
|
|
||||||
static rt_ssize_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
|
|
||||||
{
|
|
||||||
rt_uint8_t* ptr;
|
|
||||||
rt_err_t err_code;
|
|
||||||
struct avr32_serial_device* uart;
|
|
||||||
|
|
||||||
ptr = buffer;
|
|
||||||
err_code = RT_EOK;
|
|
||||||
uart = (struct avr32_serial_device*)dev->user_data;
|
|
||||||
|
|
||||||
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
|
|
||||||
{
|
|
||||||
/* interrupt mode Rx */
|
|
||||||
while (size)
|
|
||||||
{
|
|
||||||
rt_base_t level;
|
|
||||||
|
|
||||||
/* disable interrupt */
|
|
||||||
level = rt_hw_interrupt_disable();
|
|
||||||
|
|
||||||
if (uart->int_rx->read_index != uart->int_rx->save_index)
|
|
||||||
{
|
|
||||||
/* read a character */
|
|
||||||
*ptr++ = uart->int_rx->rx_buffer[uart->int_rx->read_index];
|
|
||||||
size--;
|
|
||||||
|
|
||||||
/* move to next position */
|
|
||||||
uart->int_rx->read_index ++;
|
|
||||||
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
|
|
||||||
uart->int_rx->read_index = 0;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* set error code */
|
|
||||||
err_code = -RT_EEMPTY;
|
|
||||||
|
|
||||||
/* enable interrupt */
|
|
||||||
rt_hw_interrupt_enable(level);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* enable interrupt */
|
|
||||||
rt_hw_interrupt_enable(level);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* polling mode */
|
|
||||||
while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size)
|
|
||||||
{
|
|
||||||
while (usart_test_hit(uart->uart_device))
|
|
||||||
{
|
|
||||||
*ptr = uart->uart_device->rhr & 0xff;
|
|
||||||
ptr ++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* set error code */
|
|
||||||
rt_set_errno(err_code);
|
|
||||||
return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
|
|
||||||
}
|
|
||||||
|
|
||||||
static rt_ssize_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
|
|
||||||
{
|
|
||||||
rt_uint8_t* ptr;
|
|
||||||
rt_err_t err_code;
|
|
||||||
struct avr32_serial_device* uart;
|
|
||||||
|
|
||||||
err_code = RT_EOK;
|
|
||||||
ptr = (rt_uint8_t*)buffer;
|
|
||||||
uart = (struct avr32_serial_device*)dev->user_data;
|
|
||||||
|
|
||||||
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
|
|
||||||
{
|
|
||||||
/* interrupt mode Tx, does not support */
|
|
||||||
RT_ASSERT(0);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* polling mode */
|
|
||||||
if (dev->flag & RT_DEVICE_FLAG_STREAM)
|
|
||||||
{
|
|
||||||
/* stream mode */
|
|
||||||
while (size)
|
|
||||||
{
|
|
||||||
usart_putchar(uart->uart_device, (int) *ptr);
|
|
||||||
|
|
||||||
++ptr; --size;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* write data directly */
|
|
||||||
while (size)
|
|
||||||
{
|
|
||||||
usart_bw_write_char(uart->uart_device, (int) *ptr);
|
|
||||||
|
|
||||||
++ptr; --size;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* set error code */
|
|
||||||
rt_set_errno(err_code);
|
|
||||||
|
|
||||||
return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
|
|
||||||
}
|
|
||||||
|
|
||||||
static rt_err_t rt_serial_control (rt_device_t dev, int cmd, void *args)
|
|
||||||
{
|
|
||||||
struct avr32_serial_device* uart;
|
|
||||||
|
|
||||||
RT_ASSERT(dev != RT_NULL);
|
|
||||||
|
|
||||||
uart = (struct avr32_serial_device*)dev->user_data;
|
|
||||||
switch (cmd)
|
|
||||||
{
|
|
||||||
case RT_DEVICE_CTRL_SUSPEND:
|
|
||||||
/* suspend device */
|
|
||||||
dev->flag |= RT_DEVICE_FLAG_SUSPENDED;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case RT_DEVICE_CTRL_RESUME:
|
|
||||||
/* resume device */
|
|
||||||
dev->flag &= ~RT_DEVICE_FLAG_SUSPENDED;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
return RT_EOK;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* serial register for STM32
|
|
||||||
* support STM32F103VB and STM32F103ZE
|
|
||||||
*/
|
|
||||||
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct avr32_serial_device *serial)
|
|
||||||
{
|
|
||||||
RT_ASSERT(device != RT_NULL);
|
|
||||||
|
|
||||||
if ((flag & RT_DEVICE_FLAG_DMA_RX) ||
|
|
||||||
(flag & RT_DEVICE_FLAG_INT_TX))
|
|
||||||
{
|
|
||||||
RT_ASSERT(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
device->type = RT_Device_Class_Char;
|
|
||||||
device->rx_indicate = RT_NULL;
|
|
||||||
device->tx_complete = RT_NULL;
|
|
||||||
device->init = rt_serial_init;
|
|
||||||
device->open = rt_serial_open;
|
|
||||||
device->close = rt_serial_close;
|
|
||||||
device->read = rt_serial_read;
|
|
||||||
device->write = rt_serial_write;
|
|
||||||
device->control = rt_serial_control;
|
|
||||||
device->user_data = serial;
|
|
||||||
|
|
||||||
/* register a character device */
|
|
||||||
return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* ISR for serial interrupt */
|
|
||||||
void rt_hw_serial_isr(void)
|
|
||||||
{
|
|
||||||
struct avr32_serial_device* uart = (struct avr32_serial_device*) _rt_usart_device.user_data;
|
|
||||||
rt_base_t level;
|
|
||||||
|
|
||||||
if (usart_test_hit(uart->uart_device))
|
|
||||||
{
|
|
||||||
/* interrupt mode receive */
|
|
||||||
RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);
|
|
||||||
|
|
||||||
/* disable interrupt */
|
|
||||||
level = rt_hw_interrupt_disable();
|
|
||||||
|
|
||||||
/* save character */
|
|
||||||
uart->int_rx->rx_buffer[uart->int_rx->save_index] = uart->uart_device->rhr & 0xff;
|
|
||||||
uart->int_rx->save_index ++;
|
|
||||||
if (uart->int_rx->save_index >= UART_RX_BUFFER_SIZE)
|
|
||||||
uart->int_rx->save_index = 0;
|
|
||||||
|
|
||||||
/* if the next position is read index, discard this 'read char' */
|
|
||||||
if (uart->int_rx->save_index == uart->int_rx->read_index)
|
|
||||||
{
|
|
||||||
uart->int_rx->read_index ++;
|
|
||||||
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
|
|
||||||
uart->int_rx->read_index = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* enable interrupt */
|
|
||||||
rt_hw_interrupt_enable(level);
|
|
||||||
|
|
||||||
/* invoke callback */
|
|
||||||
if (_rt_usart_device.rx_indicate != RT_NULL)
|
|
||||||
{
|
|
||||||
rt_size_t rx_length;
|
|
||||||
|
|
||||||
/* get rx length */
|
|
||||||
rx_length = uart->int_rx->read_index > uart->int_rx->save_index ?
|
|
||||||
UART_RX_BUFFER_SIZE - uart->int_rx->read_index + uart->int_rx->save_index :
|
|
||||||
uart->int_rx->save_index - uart->int_rx->read_index;
|
|
||||||
|
|
||||||
_rt_usart_device.rx_indicate(&_rt_usart_device, rx_length);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
usart_reset_status(uart->uart_device);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*@}*/
|
|
||||||
|
|
@ -1,50 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2006-2022, RT-Thread Development Team
|
|
||||||
*
|
|
||||||
* SPDX-License-Identifier: Apache-2.0
|
|
||||||
*
|
|
||||||
* Change Logs:
|
|
||||||
* Date Author Notes
|
|
||||||
* 2009-01-05 Bernard first version
|
|
||||||
* 2010-03-29 Bernard remove interrupt tx and DMA rx mode.
|
|
||||||
* 2010-03-30 Kyle Ported from STM32 to AVR32.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef __RT_HW_SERIAL_H__
|
|
||||||
#define __RT_HW_SERIAL_H__
|
|
||||||
|
|
||||||
#include <rthw.h>
|
|
||||||
#include <rtthread.h>
|
|
||||||
#include "compiler.h"
|
|
||||||
#include "usart.h"
|
|
||||||
|
|
||||||
#define UART_RX_BUFFER_SIZE 64
|
|
||||||
#define UART_TX_DMA_NODE_SIZE 4
|
|
||||||
|
|
||||||
/* data node for Tx Mode */
|
|
||||||
struct avr32_serial_data_node
|
|
||||||
{
|
|
||||||
rt_uint8_t *data_ptr;
|
|
||||||
rt_size_t data_size;
|
|
||||||
struct avr32_serial_data_node *next, *prev;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct avr32_serial_int_rx
|
|
||||||
{
|
|
||||||
rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
|
|
||||||
rt_uint32_t read_index, save_index;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct avr32_serial_device
|
|
||||||
{
|
|
||||||
avr32_usart_t *uart_device;
|
|
||||||
|
|
||||||
/* rx structure */
|
|
||||||
struct avr32_serial_int_rx* int_rx;
|
|
||||||
};
|
|
||||||
|
|
||||||
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct avr32_serial_device *serial);
|
|
||||||
|
|
||||||
void rt_hw_serial_isr();
|
|
||||||
|
|
||||||
#endif
|
|
||||||
Loading…
Reference in New Issue