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add NRZ feature on K60

This commit is contained in:
reynoldxu 2013-07-24 12:07:09 +08:00
parent a927b48049
commit 421d980b07
2 changed files with 86 additions and 12 deletions
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43
bsp/K60Fxxxx/K60/K60.pro Normal file
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@ -0,0 +1,43 @@
HEADERS += \
../rtconfig.h \
../drivers/led.h \
../drivers/drv_uart.h \
../drivers/board.h \
../../../components/drivers/include/rtdevice.h \
../../../components/drivers/include/drivers/serial.h \
../../../include/rtthread.h \
../../../include/rtservice.h \
../../../include/rtm.h \
../../../include/rthw.h \
../../../include/rtdef.h \
../../../include/rtdebug.h \
../../../src/module.h \
../../../../../../../../Keil/ARM/INC/Freescale/Kinetis/MK60F12.H
SOURCES += \
../applications/startup.c \
../applications/application.c \
../drivers/system_MK60F12.c \
../drivers/led.c \
../drivers/drv_uart.c \
../drivers/board.c \
../../../components/drivers/serial/serial.c \
../../../src/timer.c \
../../../src/thread.c \
../../../src/slab.c \
../../../src/scheduler.c \
../../../src/object.c \
../../../src/module.c \
../../../src/mempool.c \
../../../src/memheap.c \
../../../src/mem.c \
../../../src/kservice.c \
../../../src/irq.c \
../../../src/ipc.c \
../../../src/idle.c \
../../../src/device.c \
../../../src/clock.c
OTHER_FILES += \
../drivers/startup_MK60F12.s \
../../../src/SConscript

55
bsp/K60Fxxxx/drivers/drv_uart.c
View File

@ -39,52 +39,83 @@ static struct k60_serial_device _k60_node =
static rt_err_t _configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{
unsigned int reg_C1 = 0,reg_C4 = 0,reg_BDH = 0,reg_BDL = 0,reg_S2,reg_BRFA=0;
unsigned int reg_C1 = 0,reg_C3 = 0,reg_C4 = 0,reg_BDH = 0,reg_BDL = 0,reg_S2,reg_BRFA=0;
unsigned int cal_SBR = 0;
UART_Type *uart_reg;
/* ref : drivers\system_MK60F12.c Line 64 ,BusClock = 60MHz */
/* ref : drivers\system_MK60F12.c Line 64 ,BusClock = 60MHz
* calculate baud_rate
*/
uart_reg = ((struct k60_serial_device *)serial->parent.user_data)->baseAddress;
//calc SBR
/* calc SBR */
cal_SBR = 60000000 / (16 * cfg->baud_rate);
//calc baud_rate
/* calc baud_rate */
reg_BDH = (cal_SBR & 0x1FFF) >> 8 & 0x00FF;
reg_BDL = cal_SBR & 0x00FF;
//fractional divider
/* fractional divider */
reg_BRFA = ((60000*32000)/(cfg->baud_rate * 16)) - (cal_SBR * 32);
reg_C4 = (unsigned char)(reg_BRFA & 0x001F);
//calc bit_order
/*
* set bit order
*/
if (cfg->bit_order == BIT_ORDER_LSB)
reg_S2 &= ~(UART_S2_MSBF_MASK<<UART_S2_MSBF_SHIFT);
else if (cfg->bit_order == BIT_ORDER_MSB)
reg_S2 |= UART_S2_MSBF_MASK<<UART_S2_MSBF_SHIFT;
//calc data_bits
/*
* set data_bits
*/
if (cfg->data_bits == DATA_BITS_8)
reg_C1 &= ~(UART_C1_M_MASK<<UART_C1_M_SHIFT);
else if (cfg->data_bits == DATA_BITS_9)
reg_C1 |= UART_C1_M_MASK<<UART_C1_M_SHIFT;
//clac parity
/*
* set parity
*/
if (cfg->parity == PARITY_NONE)
reg_C1 &= ~(UART_C1_PE_MASK<<UART_C1_PE_SHIFT);
{
reg_C1 &= ~(UART_C1_PE_MASK);
}
else
{
reg_C1 &= ~(UART_C1_PE_MASK<<UART_C1_PE_SHIFT);
/* first ,set parity enable bit */
reg_C1 |= (UART_C1_PE_MASK);
/* second ,determine parity odd or even*/
if (cfg->parity == PARITY_ODD)
reg_C1 |= UART_C1_PT_MASK<<UART_C1_PT_SHIFT;
reg_C1 |= UART_C1_PT_MASK;
if (cfg->parity == PARITY_EVEN)
reg_C1 &= ~(UART_C1_PT_MASK<<UART_C1_PT_SHIFT);
reg_C1 &= ~(UART_C1_PT_MASK);
}
/*
* set stop bit
* not supported on Tower? need ur help!
*/
/*
* set NZR mode
* not tested
*/
if(cfg->invert != NRZ_NORMAL)
{
/* not in normal mode ,set inverted polarity */
reg_C3 |= UART_C3_TXINV_MASK;
}
switch( (int)uart_reg)
{
/* Tower board use UART5 for communication
* if you're using other board
* set clock and pin map for UARTx
*/
case UART5_BASE:
//set UART5 clock