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🐛 ESP P4 i2c pull up

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This commit is contained in:
Rune Harlyk
2026-03-06 23:35:20 +01:00
parent eba00f98cd
commit e1d37a907d
1 changed files with 8 additions and 4 deletions
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esp32/include/peripherals/i2c_bus.h
+8 -4
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@@ -31,7 +31,11 @@ class I2CBus {
bus_cfg.scl_io_num = scl;
bus_cfg.clk_source = I2C_CLK_SRC_DEFAULT;
bus_cfg.glitch_ignore_cnt = 7;
#if CONFIG_IDF_TARGET_ESP32P4
bus_cfg.flags.enable_internal_pullup = false;
#else
bus_cfg.flags.enable_internal_pullup = true;
#endif
esp_err_t err = i2c_new_master_bus(&bus_cfg, &_bus);
if (err != ESP_OK) {
@@ -64,7 +68,7 @@ class I2CBus {
if (!_initialized) return ESP_ERR_INVALID_STATE;
esp_err_t err = ensureDevice(addr);
if (err != ESP_OK) return err;
return i2c_master_transmit(_dev, data, len, pdMS_TO_TICKS(100));
return i2c_master_transmit(_dev, data, len, pdMS_TO_TICKS(200));
}
esp_err_t writeReg(uint8_t addr, uint8_t reg, const uint8_t* data, size_t len) {
@@ -77,19 +81,19 @@ class I2CBus {
if (len > 0 && data != nullptr) {
memcpy(buf + 1, data, len);
}
return i2c_master_transmit(_dev, buf, len + 1, pdMS_TO_TICKS(100));
return i2c_master_transmit(_dev, buf, len + 1, pdMS_TO_TICKS(200));
}
esp_err_t readReg(uint8_t addr, uint8_t reg, uint8_t* data, size_t len) {
if (!_initialized) return ESP_ERR_INVALID_STATE;
esp_err_t err = ensureDevice(addr);
if (err != ESP_OK) return err;
return i2c_master_transmit_receive(_dev, &reg, 1, data, len, pdMS_TO_TICKS(100));
return i2c_master_transmit_receive(_dev, &reg, 1, data, len, pdMS_TO_TICKS(200));
}
bool probe(uint8_t addr) {
if (!_initialized) return false;
return i2c_master_probe(_bus, addr, pdMS_TO_TICKS(50)) == ESP_OK;
return i2c_master_probe(_bus, addr, pdMS_TO_TICKS(200)) == ESP_OK;
}
std::vector<uint8_t> scan(uint8_t lower = 1, uint8_t upper = 127) {