int SSDInit(void)
{
uint32_t clock;
uint32_t flash_clock = CLOCK_GetClockFrequency(kFlashClock, &clock);
/* fnc: Function Code (1 - Erase, 2 - Program, 3 - Verify) */
return Init(0x00000000, clock, 2);
}
uint8_t UART_QuickInit(uint32_t MAP, uint32_t baudrate)
{
uint8_t i;
uint32_t clock;
UART_InitTypeDef UART_InitStruct1;
QuickInit_Type * pq = (QuickInit_Type*)&(MAP);
UART_InitStruct1.baudrate = baudrate;
UART_InitStruct1.instance = pq->ip_instance;
/* clock source */
if(pq->ip_instance == HW_UART0)
{
CLOCK_GetClockFrequency(kMCGOutClock, &clock);
/* use PLL/2 or FLL */
SIM->SOPT2 &= ~SIM_SOPT2_UART0SRC_MASK;
SIM->SOPT2 |= SIM_SOPT2_UART0SRC(1);
if(MCG->C6 & MCG_C6_PLLS_MASK) /* PLL */
{
SIM->SOPT2 |= SIM_SOPT2_PLLFLLSEL_MASK;
clock /= 2;
}
else /* FLL */
{
SIM->SOPT2 &= ~SIM_SOPT2_PLLFLLSEL_MASK;
}
}
else
{
CLOCK_GetClockFrequency(kBusClock, &clock);
}
UART_InitStruct1.srcClock = clock;
/* init pinmux */
for(i = 0; i < pq->io_offset; i++)
{
PORT_PinMuxConfig(pq->io_instance, pq->io_base + i, (PORT_PinMux_Type) pq->mux);
}
/* init UART */
UART_Init(&UART_InitStruct1);
return pq->ip_instance;
}
/**
* @brief 初始化SysTick时钟
* @code
* // 初始化SysTick时钟 设定中断周期为10000us(10ms)
* SYSTICK_Init(10000);
* @endcode
* @param timeInUs: 中断周期 单位us
* @retval None
*/
void SYSTICK_Init(uint32_t timeInUs)
{
/* Set clock source = core clock */
SysTick->CTRL |= SysTick_CTRL_CLKSOURCE_Msk;
CLOCK_GetClockFrequency(kCoreClock, &fac_us);
fac_us /= 1000000;
fac_ms = fac_us * 1000;
/* every 100ms in a int */
SysTick->LOAD = fac_us * timeInUs;
}
void PDB_QuickInit(PDB_TriggerSrc_Type triggerSrc, uint32_t timeInUs)
{
uint32_t clock;
PDB_InitTypeDef PDB_InitStruct1;
CLOCK_GetClockFrequency(kBusClock, &clock);
PDB_InitStruct1.inputTrigSource = kPDB_SoftwareTrigger; /* software Trigger */
PDB_InitStruct1.isContinuesMode = true;
PDB_InitStruct1.srcClock = clock;
PDB_InitStruct1.timeInUs = timeInUs;
PDB_Init(&PDB_InitStruct1);
}
/**
* @brief 初始化I2C模块
* @note 需要其它函数配合使用
* @code
* //使用i2c的1模块 通信速度为48000hz
* I2C_InitTypeDef I2C_InitStruct1; //申请一个结构体
* I2C_InitStruct1.baudrate = HW_I2C1; //选择i2c的1模块
* I2C_InitStruct1.instance = 48000; //设置通信速度48000
* I2C_Init(&I2C_InitStruct1);
* @endcode
* @param I2C_InitStruct :i2c初始化配置结构体
* @retval None
*/
void I2C_Init(I2C_InitTypeDef* I2C_InitStruct)
{
/* param check */
assert_param(IS_I2C_ALL_INSTANCE(I2C_InitStruct->instance));
uint32_t freq;
SIM->SCGC4 |= SIM_I2CClockGateTable[I2C_InitStruct->instance];
/* disable first */
I2C_InstanceTable[I2C_InitStruct->instance]->C1 &= ~I2C_C1_IICEN_MASK;
/* set baudrate */
CLOCK_GetClockFrequency(kBusClock, &freq);
I2C_SetBaudrate(I2C_InitStruct->instance, freq, I2C_InitStruct->baudrate);
/* enable i2c */
I2C_InstanceTable[I2C_InitStruct->instance]->C1 |= I2C_C1_IICEN_MASK;
}
int main(void)
{
uint32_t clock;
DelayInit();
GPIO_QuickInit(HW_GPIOD, 7, kGPIO_Mode_OPP);
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
UART_QuickInit(UART0_RX_PA01_TX_PA02, 115200);
printf("HelloWorld\r\n");
CLOCK_GetClockFrequency(kCoreClock, &clock);
printf("core clock:%dHz\r\n", clock);
CLOCK_GetClockFrequency(kBusClock, &clock);
printf("bus clock:%dHz\r\n", clock);
while(1)
{
GPIO_ToggleBit(HW_GPIOD, 7);
GPIO_ToggleBit(HW_GPIOE, 6);
DelayMs(50);
}
}
/**
* @brief SPI数据帧配置
* @note 内部函数，用户无需调用
* @retval None
*/
void SPI_FrameConfig(uint32_t instance, uint32_t ctar, SPI_FrameFormat_Type frameFormat, uint8_t dataSize, uint8_t bitOrder, uint32_t baudrate)
{
uint32_t clock;
/* data size */
SPI_InstanceTable[instance]->CTAR[ctar] &= ~SPI_CTAR_FMSZ_MASK;
SPI_InstanceTable[instance]->CTAR[ctar] |= SPI_CTAR_FMSZ(dataSize-1);
/* bit order */
switch(bitOrder)
{
case kSPI_MSBFirst:
SPI_InstanceTable[instance]->CTAR[ctar] &= ~SPI_CTAR_LSBFE_MASK;
break;
case kSPI_LSBFirst:
SPI_InstanceTable[instance]->CTAR[ctar] |= SPI_CTAR_LSBFE_MASK;
break;
default:
break;
}
/* frame format */
switch(frameFormat)
{
case kSPI_CPOL0_CPHA0:
SPI_InstanceTable[instance]->CTAR[ctar] &= ~SPI_CTAR_CPOL_MASK;
SPI_InstanceTable[instance]->CTAR[ctar] &= ~SPI_CTAR_CPHA_MASK;
break;
case kSPI_CPOL0_CPHA1:
SPI_InstanceTable[instance]->CTAR[ctar] &= ~SPI_CTAR_CPOL_MASK;
SPI_InstanceTable[instance]->CTAR[ctar] |= SPI_CTAR_CPHA_MASK;
break;
case kSPI_CPOL1_CPHA0:
SPI_InstanceTable[instance]->CTAR[ctar] |= SPI_CTAR_CPOL_MASK;
SPI_InstanceTable[instance]->CTAR[ctar] &= ~SPI_CTAR_CPHA_MASK;
break;
case kSPI_CPOL1_CPHA1:
SPI_InstanceTable[instance]->CTAR[ctar] |= SPI_CTAR_CPOL_MASK;
SPI_InstanceTable[instance]->CTAR[ctar] |= SPI_CTAR_CPHA_MASK;
break;
default:
break;
}
/* set SPI clock, SPI use Busclock */
CLOCK_GetClockFrequency(kBusClock, &clock);
dspi_hal_set_baud(instance, ctar, baudrate, clock);
}
/**
* @brief 初始化PWM波产生
* @code
*
* //TPM0_CH0_PE24 使用FTM0模块通道0 引脚E24上产生1KHz PWM波
* FTM_PWM_QuickInit(TPM0_CH0_PE24, 1000);
* @endcode
* @param MAP : 快速初始化通道
* @param frequencyInHZ : 频率
* @retval None
*/
uint8_t TPM_PWM_QuickInit(uint32_t MAP, TPM_PWM_Mode_Type mode, uint32_t req)
{
uint8_t i;
uint32_t modulo;
uint32_t clock;
int32_t pres;
uint8_t ps = 0;
QuickInit_Type * pq = (QuickInit_Type*)&(MAP);
/* init pinmux */
for(i = 0; i < pq->io_offset; i++)
{
PORT_PinMuxConfig(pq->io_instance, pq->io_base + i, (PORT_PinMux_Type) pq->mux);
}
/* calc req and ps */
uint32_t min_val = 0xFFFF;
/* cal ps */
CLOCK_GetClockFrequency(kMCGOutClock, &clock);
// if(MCG->C6 & MCG_C6_PLLS_MASK) /* PLL */
// {
// clock /= 2;
// }
// else /* FLL */
// {
//
// }
LIB_TRACE("%s %d\r\n", __func__, clock);
pres = (clock/req)/TPM_MOD_MOD_MASK;
if((clock/req)/pres > TPM_MOD_MOD_MASK)
{
pres++;
}
for(i = 0; i < 7; i++)
{
if((ABS(pres - (1<<i))) < min_val)
{
ps = i;
min_val = ABS(pres - (1<<i));
}
}
if(pres > (1<<ps)) ps++;
if(ps > 7) ps = 7;
modulo = ((clock/(1<<ps))/req) - 1;
LIB_TRACE("input frequency:%dHz\r\n", req);
LIB_TRACE("input clk:%d\r\n", clock);
LIB_TRACE("ps:%d\r\n", pres);
LIB_TRACE("modulo:%d\r\n", modulo);
LIB_TRACE("ip_instance:%d\r\n", pq->ip_instance);
LIB_TRACE("io_instance:%d\r\n", pq->io_instance);
LIB_TRACE("io_base:%d\r\n", pq->io_base);
LIB_TRACE("io_offset:%d\r\n", pq->io_offset);
LIB_TRACE("chl:%d\r\n", pq->channel);
_TPM_InitBasic(pq->ip_instance, modulo, (TPM_ClockDiv_Type)ps);
/* set FTM mode */
switch(mode)
{
case kPWM_EdgeAligned:
TPM_SetMode(pq->ip_instance, pq->channel, kTPM_Mode_EdgeAligned);
break;
default:
LIB_TRACE("error in FTM_PWM_Init\r\n");
break;
}
/* set duty to 50% */
TPM_PWM_ChangeDuty(pq->ip_instance, pq->channel, 5000);
return pq->ip_instance;
}
/**
* @brief 初始化SPI模块
* @param SPI_InitStruct :spi初始化配置结构体
* @retval None
*/
void SPI_Init(SPI_InitTypeDef* SPI_InitStruct)
{
uint32_t clock;
/* enable clock gate */
*(uint32_t*)SIM_SPIClockGateTable[SPI_InitStruct->instance].addr |= SIM_SPIClockGateTable[SPI_InitStruct->instance].mask;
/* stop SPI */
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_SPE_MASK;
/* master or slave */
switch(SPI_InitStruct->mode)
{
case kSPI_Master:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_MSTR_MASK;
break;
case kSPI_Slave:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_MSTR_MASK;
break;
default:
break;
}
/* bit order */
switch(SPI_InitStruct->bitOrder)
{
case kSPI_MSBFirst:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_LSBFE_MASK;
break;
case kSPI_LSBFirst:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_LSBFE_MASK;
break;
default:
break;
}
/* clock parity */
switch(SPI_InitStruct->frameFormat)
{
case kSPI_CPOL0_CPHA0:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_CPHA_MASK;
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_CPOL_MASK;
break;
case kSPI_CPOL0_CPHA1:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_CPHA_MASK;
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_CPOL_MASK;
break;
case kSPI_CPOL1_CPHA0:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 &= ~SPI_C1_CPHA_MASK;
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_CPOL_MASK;
break;
case kSPI_CPOL1_CPHA1:
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_CPHA_MASK;
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_CPOL_MASK;
break;
default:
break;
}
/* config SS as PCS0 output */
SPI_InstanceTable[SPI_InitStruct->instance]->C2 |= SPI_C2_MODFEN_MASK;
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_SSOE_MASK;
/* baudrate */
if(SPI_InitStruct->instance == HW_SPI0)
{
CLOCK_GetClockFrequency(kBusClock, &clock);
}
else
{
CLOCK_GetClockFrequency(kSystemClock, &clock);
}
SPI_HAL_SetBaud(SPI_InitStruct->instance, SPI_InitStruct->baudrate, clock);
/* enable SPI */
SPI_InstanceTable[SPI_InitStruct->instance]->C1 |= SPI_C1_SPE_MASK;
}