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fix: sdcard-access is working from bootloader with windows and macos #20

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fix: sdcard-access is working from bootloader with windows and macos #20

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20 changes: 20 additions & 0 deletions common/i2ckbd/i2ckbd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@
#include "i2ckbd.h"
#include "debug.h"

#if ENABLE_USB
#include "tusb.h"
#endif

static uint8_t i2c_inited = 0;

void init_i2c_kbd() {
Expand Down Expand Up @@ -30,7 +34,15 @@ int read_i2c_kbd() {
return -1;
}

#if ENABLE_USB
// Wait 16ms but service USB during the wait
for (int i = 0; i < 32; i++) {
sleep_us(500);
tud_task();
}
#else
sleep_ms(16);
#endif
retval = i2c_read_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, (unsigned char *) &buff, 2, false, 500000);
if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
DEBUG_PRINT("I2C read err\n");
Expand Down Expand Up @@ -70,7 +82,15 @@ int read_battery() {
DEBUG_PRINT("Batt I2C write err\n");
return -1;
}
#if ENABLE_USB
// Wait 16ms but service USB during the wait
for (int i = 0; i < 32; i++) {
sleep_us(500);
tud_task();
}
#else
sleep_ms(16);
#endif
retval = i2c_read_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, (unsigned char *) &buff, 2, false, 500000);
if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
DEBUG_PRINT("Batt I2C read err\n");
Expand Down