mirror of
https://github.com/EFeru/hoverboard-sideboard-hack-GD.git
synced 2026-02-18 08:01:12 +00:00
Initial commit
This commit is contained in:
EmanuelFeru
@@ -0,0 +1,47 @@
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/*!
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\file gd32f1x0_libopt.h
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\brief library optional for gd32f1x0
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*/
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/*
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Copyright (C) 2017 GigaDevice
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2014-12-26, V1.0.0, platform GD32F1x0(x=3,5)
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2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9)
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2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9)
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2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9)
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*/
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#ifndef GD32F1X0_LIBOPT_H
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#define GD32F1X0_LIBOPT_H
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#include "gd32f1x0_adc.h"
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#include "gd32f1x0_cec.h"
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#include "gd32f1x0_crc.h"
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#include "gd32f1x0_cmp.h"
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#include "gd32f1x0_dac.h"
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#include "gd32f1x0_dbg.h"
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#include "gd32f1x0_dma.h"
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#include "gd32f1x0_exti.h"
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#include "gd32f1x0_fmc.h"
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#include "gd32f1x0_gpio.h"
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#include "gd32f1x0_syscfg.h"
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#include "gd32f1x0_i2c.h"
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#include "gd32f1x0_fwdgt.h"
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#include "gd32f1x0_pmu.h"
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#include "gd32f1x0_rcu.h"
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#include "gd32f1x0_rtc.h"
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#include "gd32f1x0_spi.h"
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#include "gd32f1x0_timer.h"
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#include "gd32f1x0_usart.h"
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#include "gd32f1x0_wwdgt.h"
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#include "gd32f1x0_misc.h"
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#include "gd32f1x0_tsi.h"
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#ifdef GD32F170_190
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#include "gd32f1x0_slcd.h"
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#include "gd32f1x0_opa.h"
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#include "gd32f1x0_ivref.h"
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#include "gd32f1x0_can.h"
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#endif /* GD32F170_190 */
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#endif /* GD32F1X0_LIBOPT_H */
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@@ -0,0 +1,302 @@
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/*!
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\file main.c
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\brief use the TSI to perform continuous acquisitions of three channels
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*/
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/*
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Copyright (C) 2017 GigaDevice
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2014-12-26, V1.0.0, platform GD32F1x0(x=3,5)
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2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9)
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2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9)
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2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9)
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*/
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#include "gd32f1x0.h"
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#include "gd32f1x0_eval.h"
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#include <stdlib.h>
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#include <stdio.h>
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/* the flag of touching */
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int keystatus[3] = {0,0,0};
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/* the current cycle number array of the channel pin */
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uint16_t samplenum[4] = {0,0,0,0};
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/* reference value sample array of TSI group5 */
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uint16_t sample_refnum_array1[20] = {0};
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uint16_t sample_refnum_array2[20] = {0};
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uint16_t sample_refnum_array3[20] = {0};
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/* average value of cycles */
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uint16_t sample_refnum[3] = {0};
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uint16_t threshold1 = 0;
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uint16_t threshold2 = 0;
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void delay(uint32_t nCount);
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void gpio_config(void);
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void tsi_config(void);
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void led_config(void);
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void tsi_transfer_pin(uint32_t TSI_groupx_pin);
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/*!
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\brief main function
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\param[in] none
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\param[out] none
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\retval none
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*/
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int main(void)
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{
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int m=0;
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/* TSI peripheral and GPIOB Periph clock enable */
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rcu_periph_clock_enable(RCU_GPIOB);
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rcu_periph_clock_enable(RCU_TSI);
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/* PB11 TSI_CHCFG_G5P0 SAMPCAP
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PB12 TSI_CHCFG_G5P1 CHANNEL
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PB13 TSI_CHCFG_G5P2 CHANNEL
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PB14 TSI_CHCFG_G5P3 CHANNEL */
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/* configure the GPIO ports */
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gpio_config();
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/* configure the TSI peripheral */
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tsi_config();
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/* configure the LED */
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led_config();
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/* reference cycle value acquisition and processing */
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for(m=0;m<20;m++){
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/* get charge transfer complete cycle number of group5 pin1 */
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tsi_transfer_pin(TSI_CHCFG_G5P1);
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/* check the TSI flag:end of acquisition interrupt */
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if((uint8_t)SET == tsi_interrupt_flag_get(TSI_INT_FLAG_CTC) ){
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/* get charge transfer complete cycle number */
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sample_refnum_array1[m] = tsi_group5_cycle_get();
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}
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/* disable the selected pin as channel pin */
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tsi_channel_pin_disable(TSI_CHCFG_G5P1);
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/* get charge transfer complete cycle number of group5 pin2 */
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tsi_transfer_pin(TSI_CHCFG_G5P2);
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if((uint8_t)SET == tsi_interrupt_flag_get(TSI_INT_FLAG_CTC)){
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sample_refnum_array2[m] = tsi_group5_cycle_get();
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}
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tsi_channel_pin_disable(TSI_CHCFG_G5P2);
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/* get charge transfer complete cycle number of group5 pin3 */
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tsi_transfer_pin(TSI_CHCFG_G5P3);
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if((uint8_t)SET == tsi_interrupt_flag_get(TSI_INT_FLAG_CTC)){
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sample_refnum_array3[m] = tsi_group5_cycle_get();
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}
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tsi_channel_pin_disable(TSI_CHCFG_G5P3);
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/* delay for a period of time while all banks have been acquired */
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delay(0x1000);
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}
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for(m=1;m<20;m++){
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sample_refnum[0] += sample_refnum_array1[m];
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sample_refnum[1] += sample_refnum_array2[m];
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sample_refnum[2] += sample_refnum_array3[m];
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}
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/* average channel cycle value are obtained */
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sample_refnum[0] = sample_refnum[0]/19;
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sample_refnum[1] = sample_refnum[1]/19;
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sample_refnum[2] = sample_refnum[2]/19;
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/* set threshold use for determine touch location of TSI_CHCFG_G5P1 */
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threshold1 = sample_refnum[2]- sample_refnum[1];
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threshold2 = sample_refnum[2]- sample_refnum[1]+15;
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while (1){
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/* acquisition pin1 of group5 */
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tsi_transfer_pin(TSI_CHCFG_G5P1);
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/* check the TSI flag--end of acquisition interrupt */
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if((uint8_t)SET == tsi_interrupt_flag_get(TSI_INT_FLAG_CTC)){
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/* get charge transfer complete cycle number */
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samplenum[1] = tsi_group5_cycle_get();
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}
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/* channel 1 touch */
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if((sample_refnum[0]-samplenum[1]) > 0x15){
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/* pin1 of group5 is touched */
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keystatus[0] = 1;
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}else{
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keystatus[0] = 0;
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gd_eval_led_off(LED1);
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gd_eval_led_off(LED4);
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}
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tsi_channel_pin_disable(TSI_CHCFG_G5P1);
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/* acquisition pin2 of group5 */
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tsi_transfer_pin(TSI_CHCFG_G5P2);
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/* check the TSI flag--end of acquisition interrupt */
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if((uint8_t)SET == tsi_interrupt_flag_get(TSI_INT_FLAG_CTC)){
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samplenum[2] = tsi_group5_cycle_get();
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}
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/* light LED2 */
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if((sample_refnum[1]-samplenum[2]) > 0x20){
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/* TSI_GROUP6_PIN3 is touched */
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keystatus[1] = 1;
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gd_eval_led_on(LED2);
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}else{
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keystatus[1] = 0;
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gd_eval_led_off(LED2);
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}
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tsi_channel_pin_disable(TSI_CHCFG_G5P2);
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/* acquisition pin3 of group5 */
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tsi_transfer_pin(TSI_CHCFG_G5P3);
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/* check the TSI flag--end of acquisition interrupt */
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if((uint8_t)SET == tsi_interrupt_flag_get(TSI_INT_FLAG_CTC)){
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samplenum[3] = tsi_group5_cycle_get();
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}
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/* light LED3 */
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if((sample_refnum[2]-samplenum[3]) > 0x20){
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/* pin3 of group5 is touched */
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keystatus[2] = 1;
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gd_eval_led_on(LED3);
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}else{
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keystatus[2] = 0;
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gd_eval_led_off(LED3);
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}
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tsi_channel_pin_disable(TSI_CHCFG_G5P3);
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/* judge specific location of channel1 */
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if(1 == keystatus[0]){
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if((samplenum[2]-samplenum[1]+threshold1)<(samplenum[3]-samplenum[1])){
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/* light LED1 when touch the left location */
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gd_eval_led_on(LED1);
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}else if((samplenum[2]-samplenum[1]+threshold2)>(samplenum[3]-samplenum[1])){
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/* light LED4 when touch the right location */
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gd_eval_led_on(LED4);
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}
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}
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/* delay for a period of time while all banks have been acquired */
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delay(0x1FFFFF);
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}
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}
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/*!
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\brief insert a delay time
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\param[in] nCount: stall Count
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\param[out] none
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\retval none
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*/
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void delay(uint32_t nCount)
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{
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for(; nCount != 0; nCount--);
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}
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/*!
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\brief configure the GPIO ports
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\param[in] none
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\param[out] none
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\retval none
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*/
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void gpio_config(void)
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{
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/* GPIOB11 */
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/* alternate function output open-drain for sampling capacitor IO */
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gpio_mode_set(GPIOB,GPIO_MODE_AF,GPIO_PUPD_NONE,GPIO_PIN_11);
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gpio_output_options_set(GPIOB,GPIO_OTYPE_OD,GPIO_OSPEED_2MHZ,GPIO_PIN_11);
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/* GPIOB12 GPIOB13 GPIOB14 */
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/* alternate function output push-pull for channel and shield IOs */
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gpio_mode_set(GPIOB,GPIO_MODE_AF,GPIO_PUPD_NONE,GPIO_PIN_12);
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gpio_output_options_set(GPIOB,GPIO_OTYPE_PP,GPIO_OSPEED_2MHZ,GPIO_PIN_12);
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gpio_mode_set(GPIOB,GPIO_MODE_AF,GPIO_PUPD_NONE,GPIO_PIN_13);
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gpio_output_options_set(GPIOB,GPIO_OTYPE_PP,GPIO_OSPEED_2MHZ,GPIO_PIN_13);
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gpio_mode_set(GPIOB,GPIO_MODE_AF,GPIO_PUPD_NONE,GPIO_PIN_14);
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gpio_output_options_set(GPIOB,GPIO_OTYPE_PP,GPIO_OSPEED_2MHZ,GPIO_PIN_14);
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/* connect pin to peripheral */
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gpio_af_set(GPIOB,GPIO_AF_3,GPIO_PIN_11);
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gpio_af_set(GPIOB,GPIO_AF_3,GPIO_PIN_12);
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gpio_af_set(GPIOB,GPIO_AF_3,GPIO_PIN_13);
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gpio_af_set(GPIOB,GPIO_AF_3,GPIO_PIN_14);
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}
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/*!
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\brief configure the TSI peripheral
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\param[in] none
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\param[out] none
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\retval none
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*/
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void tsi_config(void)
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{
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/* TSI configure */
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tsi_init(TSI_CTCDIV_DIV32,TSI_CHARGE_2CTCLK,TSI_TRANSFER_2CTCLK,TSI_MAXNUM2047);
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tsi_sofeware_mode_config();
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tsi_sample_pin_enable(TSI_SAMPCFG_G5P0);
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tsi_group_enable(TSI_GCTL_GE5);
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/* disable hysteresis mode */
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tsi_hysteresis_off(TSI_PHM_G5P0|TSI_PHM_G5P1|TSI_PHM_G5P2|TSI_PHM_G5P3);
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/* enable TSI */
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tsi_enable();
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}
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/*!
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\brief configure led
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\param[in] none
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\param[out] none
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\retval none
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*/
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void led_config(void)
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{
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/* initialize the LEDs */
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gd_eval_led_init(LED1);
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gd_eval_led_init(LED2);
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gd_eval_led_init(LED3);
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gd_eval_led_init(LED4);
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/* close all of LEDs */
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gd_eval_led_off(LED1);
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gd_eval_led_off(LED2);
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gd_eval_led_off(LED3);
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gd_eval_led_off(LED4);
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}
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/*!
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\brief acquisition pin y of group x,x=0..5,y=0..3
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\param[in] tsi_groupx_piny: TSI_CHCFG_GxPy,pin y of group x
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\param[out] none
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\retval none
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*/
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void tsi_transfer_pin(uint32_t tsi_groupx_piny)
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{
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/* configure the TSI pin channel mode */
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tsi_channel_pin_enable(tsi_groupx_piny);
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/* wait capacitors discharge */
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delay(0xD00);
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/* clear both CMCE and CCTCF flags */
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tsi_interrupt_flag_clear(TSI_INT_FLAG_CTC | TSI_INT_FLAG_MNERR);
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/* start a new acquisition */
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tsi_software_start();
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/* wait the specified TSI flag state: MCE or CTCF */
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while(RESET==tsi_interrupt_flag_get(TSI_INT_FLAG_CTC | TSI_INT_FLAG_MNERR));
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}
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@@ -0,0 +1,18 @@
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/*!
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\file readme.txt
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\brief description of touch line
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*/
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/*
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Copyright (C) 2017 GigaDevice
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||||
|
||||
2014-12-26, V1.0.0, platform GD32F1x0(x=3,5)
|
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2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9)
|
||||
2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9)
|
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2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9)
|
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*/
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This demo is based on the GD32150R-EVAL board, it shows how to use the TSI to
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perform continuous acquisitions of three channels in group 5. In this demo, slide
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the Touch Sensor on the GD32150R-EVAL board, meanwhile, light the LED1<44><31>LED2<44><32>LED3
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and LED4 in trun.With a finger touch the Touch Sensor.
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