bdk: touch: refactor/improve
- Remove useless poll wait - Use more defines - Deduplicate code - Add more checks - Add switch sense mode
This commit is contained in:
CTCaer
@@ -29,10 +29,6 @@
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#include <utils/btn.h>
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#include "touch.h"
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#include <gfx_utils.h>
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#define DPRINTF(...) gfx_printf(__VA_ARGS__)
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static touch_panel_info_t _panels[] =
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{
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{ 0, 1, 1, 1, "NISSHA NFT-K12D" },// 0.
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@@ -67,15 +63,17 @@ static int touch_wait_event(u8 event, u8 status, u32 timeout, u8 *buf)
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u32 timer = get_tmr_ms() + timeout;
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while (true)
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{
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u8 tmp[8] = {0};
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i2c_recv_buf_small(tmp, 8, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_ONE_EVENT);
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if (tmp[1] == event && tmp[2] == status)
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u8 tmp[STMFTS_EVENT_SIZE] = {0};
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int res = i2c_recv_buf_small(tmp, STMFTS_EVENT_SIZE, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_ONE_EVENT);
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if (res && tmp[1] == event && tmp[2] == status)
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{
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if (buf)
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memcpy(buf, &tmp[3], 5);
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return 0;
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}
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usleep(1000);
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if (get_tmr_ms() > timer)
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return 1;
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}
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@@ -159,59 +157,42 @@ static void _touch_parse_event(touch_event *event)
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event->type = STMFTS_EV_MULTI_TOUCH_MOTION;
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else
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event->type = STMFTS_EV_MULTI_TOUCH_LEAVE;
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break;
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}
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// gfx_con_setpos(0, 300);
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// DPRINTF("x = %d \ny = %d \nz = %d \n", event->x, event->y, event->z);
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// DPRINTF("0 = %02X\n1 = %02X\n2 = %02X\n3 = %02X\n", event->raw[0], event->raw[1], event->raw[2], event->raw[3]);
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// DPRINTF("4 = %02X\n5 = %02X\n6 = %02X\n7 = %02X\n", event->raw[4], event->raw[5], event->raw[6], event->raw[7]);
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}
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void touch_poll(touch_event *event)
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{
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i2c_recv_buf_small(event->raw, 8, I2C_3, STMFTS_I2C_ADDR, STMFTS_LATEST_EVENT);
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i2c_recv_buf_small(event->raw, STMFTS_EVENT_SIZE, I2C_3, STMFTS_I2C_ADDR, STMFTS_LATEST_EVENT);
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_touch_parse_event(event);
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}
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touch_event touch_poll_wait()
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{
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touch_event event;
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do
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{
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touch_poll(&event);
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} while (event.type != STMFTS_EV_MULTI_TOUCH_LEAVE);
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return event;
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}
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touch_info touch_get_info()
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{
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touch_info info;
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u8 buf[8];
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memset(&buf, 0, 8);
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i2c_recv_buf_small(buf, 8, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_INFO);
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touch_info info = {0};
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u8 buf[STMFTS_EVENT_SIZE] = {0};
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info.chip_id = buf[0] << 8 | buf[1];
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if (!i2c_recv_buf_small(buf, STMFTS_EVENT_SIZE, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_INFO))
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return info;
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info.chip_id = buf[0] << 8 | buf[1]; // 0x3670.
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info.fw_ver = buf[2] << 8 | buf[3];
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info.config_id = buf[4];
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info.config_ver = buf[5];
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//DPRINTF("ID: %04X, FW Ver: %d.%02d\nCfg ID: %02X, Cfg Ver: %d\n",
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// info.chip_id, info.fw_ver >> 8, info.fw_ver & 0xFF, info.config_id, info.config_ver);
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info.config_id = buf[4]; // FTB.
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info.config_ver = buf[5]; // FTB.
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return info;
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}
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touch_panel_info_t *touch_get_panel_vendor()
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{
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u8 buf[5] = {0};
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u8 cmd = STMFTS_VENDOR_GPIO_STATE;
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static touch_panel_info_t panel_info = { -2, 0, 0, 0, ""};
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if (touch_command(STMFTS_VENDOR, &cmd, 1))
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return NULL;
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u8 buf[5] = {0};
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if (touch_wait_event(STMFTS_EV_VENDOR, STMFTS_VENDOR_GPIO_STATE, 2000, buf))
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return NULL;
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@@ -232,18 +213,18 @@ touch_panel_info_t *touch_get_panel_vendor()
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int touch_get_fw_info(touch_fw_info_t *fw)
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{
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u8 buf[8] = {0};
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u8 buf[STMFTS_EVENT_SIZE] = {0};
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memset(fw, 0, sizeof(touch_fw_info_t));
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// Get fw address info.
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u8 cmd[3] = { STMFTS_RW_FRAMEBUFFER_REG, 0, 0x60 };
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int res = touch_read_reg(cmd, 3, buf, 3);
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int res = touch_read_reg(cmd, sizeof(cmd), buf, 3);
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if (!res)
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{
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// Get fw info.
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cmd[1] = buf[2]; cmd[2] = buf[1];
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res = touch_read_reg(cmd, 3, buf, 8);
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res = touch_read_reg(cmd, sizeof(cmd), buf, 8);
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if (!res)
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{
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fw->fw_id = (buf[1] << 24) | (buf[2] << 16) | (buf[3] << 8) | buf[4];
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@@ -251,7 +232,7 @@ int touch_get_fw_info(touch_fw_info_t *fw)
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}
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cmd[2]++;
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res = touch_read_reg(cmd, 3, buf, 8);
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res = touch_read_reg(cmd, sizeof(cmd), buf, 8);
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if (!res)
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fw->fw_rev = (buf[7] << 8) | buf[6];
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}
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@@ -281,36 +262,21 @@ int touch_sys_reset()
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int touch_panel_ito_test(u8 *err)
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{
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int res = 0;
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// Reset touchscreen module.
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if (touch_sys_reset())
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return res;
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return 1;
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// Do ITO Production test.
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u8 cmd[2] = { 1, 0 };
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if (touch_command(STMFTS_ITO_CHECK, cmd, 2))
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return res;
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return 1;
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u32 timer = get_tmr_ms() + 2000;
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while (true)
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u8 buf[5] = {0};
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int res = touch_wait_event(STMFTS_EV_ERROR, 5, 2000, buf);
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if (!res && err)
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{
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u8 tmp[8] = {0};
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i2c_recv_buf_small(tmp, 8, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_ONE_EVENT);
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if (tmp[1] == 0xF && tmp[2] == 0x5)
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{
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if (err)
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{
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err[0] = tmp[3];
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err[1] = tmp[4];
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}
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res = 1;
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break;
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}
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if (get_tmr_ms() > timer)
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break;
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err[0] = buf[0];
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err[1] = buf[1];
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}
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// Reset touchscreen module.
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@@ -334,7 +300,7 @@ int touch_get_fb_info(u8 *buf)
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cmd[1] = (i >> 8) & 0xFF;
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cmd[2] = i & 0xFF;
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memset(tmp, 0xCC, 5);
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res = touch_read_reg(cmd, 3, tmp, 5);
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res = touch_read_reg(cmd, sizeof(cmd), tmp, 5);
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memcpy(&buf[i], tmp + 1, 4);
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}
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}
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@@ -342,6 +308,29 @@ int touch_get_fb_info(u8 *buf)
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return res;
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}
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int touch_switch_sense_mode(u8 mode, bool gis_6_2)
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{
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// Set detection config.
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u8 cmd[3] = { 1, 0x64, 0 };
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switch (mode)
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{
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case STMFTS_STYLUS_MODE:
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cmd[2] = !gis_6_2 ? 0xC8 : 0xAD;
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break;
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case STMFTS_FINGER_MODE:
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cmd[2] = !gis_6_2 ? 0x8C : 0x79;
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break;
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}
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touch_command(STMFTS_DETECTION_CONFIG, cmd, 3);
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// Sense mode.
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cmd[0] = mode;
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return touch_command(STMFTS_SWITCH_SENSE_MODE, cmd, 1);
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}
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int touch_sense_enable()
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{
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// Switch sense mode and enable multi-touch sensing.
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@@ -428,7 +417,7 @@ int touch_power_on()
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if (btn_read_vol() == (BTN_VOL_UP | BTN_VOL_DOWN))
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{
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u8 err[2];
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if (touch_panel_ito_test(err))
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if (!touch_panel_ito_test(err))
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if (!err[0] && !err[1])
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return touch_execute_autotune();
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}
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@@ -2,7 +2,7 @@
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* Touch driver for Nintendo Switch's STM FingerTip S (4CD60D) touch controller
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*
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* Copyright (c) 2018 langerhans
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* Copyright (c) 2018-2020 CTCaer
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* Copyright (c) 2018-2026 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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@@ -163,12 +163,12 @@ typedef struct _touch_fw_info_t {
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} touch_fw_info_t;
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void touch_poll(touch_event *event);
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touch_event touch_poll_wait();
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touch_panel_info_t *touch_get_panel_vendor();
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int touch_get_fw_info(touch_fw_info_t *fw);
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touch_info touch_get_info();
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int touch_panel_ito_test(u8 *err);
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int touch_execute_autotune();
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int touch_switch_sense_mode(u8 mode, bool gis_6_2);
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int touch_sense_enable();
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int touch_power_on();
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void touch_power_off();
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