[驱动] HT1621M

单片机为HC32L13X，Cortex-M puls内核

Ht1621m.h

#ifndef _HT1621M_HPP_
#define _HT1621M_HPP_#define HT1621M_RAM_SIZE 16struct _ht1621m_
{uint8_t _port_cs;uint8_t _port_wr;uint8_t _port_dat;uint8_t _pin_cs;uint8_t _pin_wr;uint8_t _pin_dat;uint8_t _ram_last[HT1621M_RAM_SIZE];uint8_t _ram[HT1621M_RAM_SIZE];
};extern struct _ht1621m_ sg_ht1621m;#define GET_HT1621M() (&sg_ht1621m)
#define GET_HT1621M_RAM(ht1621m) ((ht1621m)->_ram)boolean_t ht1621m_init(struct _ht1621m_* ht1621m, uint8_t port_cs, uint8_t pin_cs, uint8_t port_wr, uint8_t pin_wr, uint8_t port_dat, uint8_t pin_dat);
boolean_t ht1621m_update(struct _ht1621m_* ht1621m);#endif

Ht1621m.c

#include "BaseDef.h"
#include "Ht1621m.h"
#include "gpio.h"
#include <string.h>struct _ht1621m_ sg_ht1621m;#define BIAS 0x29 // 0x50// 1/3 bias   4 com
#define SYSEN 0x01 // 0X02//Turn on system oscillator振荡
#define LCDON 0x03 // 0x06//Turn on LCD bias generator偏压发生器
#define LCDOFF 0x02 // 0x04//Turn off LCD bias generator
#define RC256 0X18#define HT1621M_CTRL_CS(ht1621m, stat) Gpio_WriteOutputIO((en_gpio_port_t)(ht1621m)->_port_cs, (en_gpio_pin_t)(ht1621m)->_pin_cs, stat) // 控制cs：true：拉高，false：拉低
#define HT1621M_CTRL_WR(ht1621m, stat) Gpio_WriteOutputIO((en_gpio_port_t)(ht1621m)->_port_wr, (en_gpio_pin_t)(ht1621m)->_pin_wr, stat) // 控制wr：true：拉高，false：拉低
#define HT1621M_CTRL_DAT(ht1621m, stat) Gpio_WriteOutputIO((en_gpio_port_t)(ht1621m)->_port_dat, (en_gpio_pin_t)(ht1621m)->_pin_dat, stat) // 控制dat：true：拉高，false：拉低 // 传地址，高六位
void _ht1621m_sendbit_high(struct _ht1621m_* ht1621m, uint8_t data, uint8_t cnt)
{uint8_t i;for (i = 0; i < cnt; i++){HT1621M_CTRL_DAT(ht1621m, data & 0x80);      HT1621M_CTRL_WR(ht1621m, FALSE);delay10us(1);HT1621M_CTRL_WR(ht1621m, TRUE);data <<= 1;delay10us(1);}
}// 传送数据，低四位
void _ht1621m_sendbit_low(struct _ht1621m_* ht1621m, uint8_t data, uint8_t cnt)
{uint8_t i;for (i = 0; i < cnt; i++){HT1621M_CTRL_DAT(ht1621m, data & 0x01);HT1621M_CTRL_WR(ht1621m, FALSE);delay10us(1);HT1621M_CTRL_WR(ht1621m, TRUE);data >>= 1;delay10us(1);}
}// 写命令
void _ht1621m_send_cmd(struct _ht1621m_* ht1621m, uint8_t command)
{HT1621M_CTRL_CS(ht1621m, FALSE);_ht1621m_sendbit_high(ht1621m, 0x80, 3);_ht1621m_sendbit_high(ht1621m, command, 8);_ht1621m_sendbit_high(ht1621m, 0x0, 1);HT1621M_CTRL_CS(ht1621m, TRUE);
}// 写地址和数据
void _ht1621m_write_byte(struct _ht1621m_* ht1621m, uint8_t addr, uint8_t data)
{HT1621M_CTRL_CS(ht1621m, FALSE);_ht1621m_sendbit_high(ht1621m, 0xa0, 3);_ht1621m_sendbit_high(ht1621m, addr << 3, 6);_ht1621m_sendbit_low(ht1621m, data, 8);HT1621M_CTRL_CS(ht1621m, TRUE);
}// 初始化
boolean_t ht1621m_init(struct _ht1621m_* ht1621m, uint8_t port_cs, uint8_t pin_cs, uint8_t port_wr, uint8_t pin_wr, uint8_t port_dat, uint8_t pin_dat)
{uint8_t i;ht1621m->_port_cs = port_cs;ht1621m->_pin_cs = pin_cs;ht1621m->_port_wr = port_wr;ht1621m->_pin_wr = pin_wr;ht1621m->_port_dat = port_dat;ht1621m->_pin_dat = pin_dat;_ht1621m_send_cmd(ht1621m, RC256);_ht1621m_send_cmd(ht1621m, BIAS);_ht1621m_send_cmd(ht1621m, SYSEN);_ht1621m_send_cmd(ht1621m, LCDON);memset(ht1621m->_ram, 0X00, HT1621M_RAM_SIZE);for (i = 0; i < HT1621M_RAM_SIZE; ++i){_ht1621m_write_byte(ht1621m, i, ht1621m->_ram[i]);}return TRUE;
}// 更新RAM
boolean_t ht1621m_update(struct _ht1621m_* ht1621m)
{uint8_t i;if (0==memcmp(ht1621m->_ram_last, ht1621m->_ram, HT1621M_RAM_SIZE)){return lc_false;}memcpy(ht1621m->_ram_last, ht1621m->_ram, HT1621M_RAM_SIZE);for (i=0; i<HT1621M_RAM_SIZE; ++i){_ht1621m_write_byte(ht1621m, i, ht1621m->_ram[i]);}return TRUE;
}

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[驱动] HT1621M

单片机为HC32L13X，Cortex-M puls内核

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