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fix(sdmmc): disable all pulldowns used by sdmmc host

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This commit is contained in:
michael 2018-07-04 20:38:14 +08:00
parent 597eda5f0b
commit c34672e7dc
1 changed files with 2 additions and 9 deletions
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11
components/driver/sdmmc_host.c
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@ -290,6 +290,8 @@ static void configure_pin(int pin)
const int sdmmc_func = 3; const int sdmmc_func = 3;
const int drive_strength = 3; const int drive_strength = 3;
assert(pin!=-1); assert(pin!=-1);
gpio_pulldown_dis(pin);
uint32_t reg = GPIO_PIN_MUX_REG[pin]; uint32_t reg = GPIO_PIN_MUX_REG[pin];
assert(reg != UINT32_MAX); assert(reg != UINT32_MAX);
PIN_INPUT_ENABLE(reg); PIN_INPUT_ENABLE(reg);
@ -586,26 +588,17 @@ esp_err_t sdmmc_host_pullup_en(int slot, int width)
} }
//according to the spec, the host control the clk, we don't to pull it up here //according to the spec, the host control the clk, we don't to pull it up here
gpio_pullup_en(sdmmc_slot_info[slot].cmd_gpio); gpio_pullup_en(sdmmc_slot_info[slot].cmd_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].cmd_gpio);
gpio_pullup_en(sdmmc_slot_info[slot].d0_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d0_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d0_gpio);
if (width >= 4) { if (width >= 4) {
gpio_pullup_en(sdmmc_slot_info[slot].d1_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d1_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d1_gpio);
gpio_pullup_en(sdmmc_slot_info[slot].d2_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d2_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d2_gpio);
gpio_pullup_en(sdmmc_slot_info[slot].d3_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d3_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d3_gpio);
} }
if (width == 8) { if (width == 8) {
gpio_pullup_en(sdmmc_slot_info[slot].d4_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d4_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d4_gpio);
gpio_pullup_en(sdmmc_slot_info[slot].d5_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d5_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d5_gpio);
gpio_pullup_en(sdmmc_slot_info[slot].d6_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d6_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d6_gpio);
gpio_pullup_en(sdmmc_slot_info[slot].d7_gpio); gpio_pullup_en(sdmmc_slot_info[slot].d7_gpio);
gpio_pulldown_dis(sdmmc_slot_info[slot].d7_gpio);
} }
return ESP_OK; return ESP_OK;
} }