CanSat/EmbeddedESP
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revert mission timer to 32 bit, add signal level monitoring

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This commit is contained in:
Bruno Rybársky
2025-05-05 09:02:48 +02:00
parent ee54abb663
commit 22d9f1f32a
10 changed files with 85 additions and 70 deletions
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6
main/hw/mcp3550.c
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@@ -26,7 +26,7 @@ void mcp3550_spi_init()
// .queue_size = 1,
// };
// ESP_ERROR_CHECK(spi_bus_add_device(SPI2_HOST, &devcfg, &mcp3550_handle));
// ESP_ERROR_CHECK_WITHOUT_ABORT(spi_bus_add_device(SPI2_HOST, &devcfg, &mcp3550_handle));
// Set MISO pin for input (needed for polling)
gpio_set_direction(MCP3550_MISO_GPIO, GPIO_MODE_INPUT);
@@ -132,9 +132,13 @@ int32_t mcp3550_read(uint8_t cs_pin)
int64_t start = esp_timer_get_time();
uint32_t timeout_us = MCP3550_TIMEOUT_MS * 1000;
ESP_LOGI(TAG_MCP, "Starting read from ADC CS %d", cs_pin);
// CS LOW
mcp23018_set_pin(MCP23018_DEV_HANDLE, cs_pin, 0);
vTaskDelay(pdMS_TO_TICKS(10));
// Wait for DR (MISO LOW)
while (gpio_get_level(MCP3550_MISO_GPIO)) {
if ((esp_timer_get_time() - start) > timeout_us) {