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I2C: Fix the reset counter

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This commit is contained in:
Omar Chebib
2022-07-18 19:24:37 +08:00
committed by morris
parent 1ea5682617
commit 4ef2ba26f9
1 changed files with 2 additions and 1 deletions
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3
components/driver/i2c.c
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@ -1472,7 +1472,7 @@ static bool is_cmd_link_buffer_internal(const i2c_cmd_link_t *link)
} }
#endif #endif
static uint8_t clear_bus_cnt[2] = { 0, 0 }; static uint8_t clear_bus_cnt[I2C_NUM_MAX] = { 0 };
esp_err_t i2c_master_cmd_begin(i2c_port_t i2c_num, i2c_cmd_handle_t cmd_handle, TickType_t ticks_to_wait) esp_err_t i2c_master_cmd_begin(i2c_port_t i2c_num, i2c_cmd_handle_t cmd_handle, TickType_t ticks_to_wait)
{ {
@ -1557,6 +1557,7 @@ esp_err_t i2c_master_cmd_begin(i2c_port_t i2c_num, i2c_cmd_handle_t cmd_handle,
clear_bus_cnt[i2c_num]++; clear_bus_cnt[i2c_num]++;
if (clear_bus_cnt[i2c_num] >= I2C_ACKERR_CNT_MAX) { if (clear_bus_cnt[i2c_num] >= I2C_ACKERR_CNT_MAX) {
clear_bus_cnt[i2c_num] = 0; clear_bus_cnt[i2c_num] = 0;
i2c_hw_fsm_reset(i2c_num);
} }
ret = ESP_FAIL; ret = ESP_FAIL;
} else { } else {