116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
#include "app_config.h"
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#include "SYD9557M.h"
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#include "asm/gpio.h"
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#include "timer.h"
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#include "event.h"
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#include "asm/power_interface.h"
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#if TCFG_TOUCHPAD_ENABLE
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#if 0
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#define iic_init(iic) hw_iic_init(iic)
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#define iic_uninit(iic) hw_iic_uninit(iic)
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#define iic_start(iic) hw_iic_start(iic)
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#define iic_stop(iic) hw_iic_stop(iic)
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#define iic_tx_byte(iic, byte) hw_iic_tx_byte(iic, byte)
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#define iic_rx_byte(iic, ack) hw_iic_rx_byte(iic, ack)
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#define iic_read_buf(iic, buf, len) hw_iic_read_buf(iic, buf, len)
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#define iic_write_buf(iic, buf, len) hw_iic_write_buf(iic, buf, len)
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#define iic_suspend(iic) hw_iic_suspend(iic)
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#define iic_resume(iic) hw_iic_resume(iic)
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#else
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#define iic_init(iic) soft_iic_init(iic)
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#define iic_uninit(iic) soft_iic_uninit(iic)
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#define iic_start(iic) soft_iic_start(iic)
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#define iic_stop(iic) soft_iic_stop(iic)
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#define iic_tx_byte(iic, byte) soft_iic_tx_byte(iic, byte)
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#define iic_rx_byte(iic, ack) soft_iic_rx_byte(iic, ack)
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#define iic_read_buf(iic, buf, len) soft_iic_read_buf(iic, buf, len)
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#define iic_write_buf(iic, buf, len) soft_iic_write_buf(iic, buf, len)
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#define iic_suspend(iic) soft_iic_suspend(iic)
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#define iic_resume(iic) soft_iic_resume(iic)
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#endif
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#define INT_IO IO_PORTB_04
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#define SYD9557M_READ_ADDR 0x49
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#define SYD9557M_WRITE_ADDR 0x48
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static u8 iic_hdl = 0;
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u8 syd9557m_get_ndata(u8 r_chip_id, u8 *buf, u8 data_len)
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{
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u8 read_len = 0;
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iic_start(iic_hdl);
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if (0 == iic_tx_byte(iic_hdl, SYD9557M_WRITE_ADDR)) {
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log_e("\n gsen iic rd err 0\n");
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read_len = 0;
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goto __gdend;
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}
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delay(50);
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if (0 == iic_tx_byte(iic_hdl, 0x01)) {
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log_e("\n gsen iic rd err 2\n");
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read_len = 0;
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goto __gdend;
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}
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delay(50);
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iic_start(iic_hdl);
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if (0 == iic_tx_byte(iic_hdl, SYD9557M_READ_ADDR)) {
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log_e("\n gsen iic rd err 3\n");
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read_len = 0;
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goto __gdend;
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}
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for (; data_len > 1; data_len--) {
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*buf++ = iic_rx_byte(iic_hdl, 1);
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read_len ++;
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}
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*buf = iic_rx_byte(iic_hdl, 0);
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read_len ++;
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__gdend:
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iic_stop(iic_hdl);
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delay(50);
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return read_len;
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}
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void syd9557_timer_hdl(void *arg)
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{
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u8 i = 0;
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u8 data[5] = {0};
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struct sys_event e;
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if (gpio_read(INT_IO) == 0) {
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syd9557m_get_ndata(SYD9557M_READ_ADDR, data, 5);
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//put_buf(data, 5);
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memset(&e, 0x0, sizeof(e));
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e.type = SYS_TOUCHPAD_EVENT;
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if (data[0] != TOUCHPAD_NO_GESTURE && data[0] < TOUCHPAD_MAX_GESTURE) { //手势事件优先
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e.u.touchpad.gesture_event = data[0];
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}
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e.u.touchpad.x = data[2];
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e.u.touchpad.y = data[3];
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sys_event_notify(&e);
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}
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}
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void syd9557m_init(u8 iic)
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{
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int i = 0;
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iic_hdl = iic;
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iic_init(iic);
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gpio_set_direction(INT_IO, 1);
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gpio_set_die(INT_IO, 1);
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gpio_set_pull_up(INT_IO, 1);
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gpio_set_pull_down(INT_IO, 0);
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sys_s_hi_timer_add(NULL, syd9557_timer_hdl, 2);
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lvd_extern_wakeup_enable(); //要根据封装来选择是否可以使用LVD唤醒， 6531C这个封装LVD是PB4
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}
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#endif
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