43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
|
|
Improved demo reading from a w25q32 chip using SPI.
|
|
*/
|
|
|
|
#include <furi.h>
|
|
#include <furi_hal.h>
|
|
|
|
#define TAG "LearnSPI-SPI-V2"
|
|
|
|
static uint32_t timeout = 1000;
|
|
static FuriHalSpiBusHandle* spi = &furi_hal_spi_bus_handle_external;
|
|
|
|
void read_w25q32_spi_v2() {
|
|
uint8_t command_read_memory[1] = {0x03}; // Read command
|
|
uint8_t read_memory_address[3] = {0x00, 0x01, 0x00}; // Memory address is 0x000100
|
|
uint8_t data_response[6] = {0, 0, 0, 0, 0, 0}; // Read 5 bytes + NULL terminator.
|
|
|
|
furi_hal_spi_acquire(spi);
|
|
|
|
if(furi_hal_spi_bus_tx(spi, command_read_memory, 1, timeout) &&
|
|
furi_hal_spi_bus_tx(spi, read_memory_address, 3, timeout) &&
|
|
(furi_hal_spi_bus_rx(spi, data_response, 5, timeout))) {
|
|
char* data_response_str = (char*)data_response;
|
|
FURI_LOG_E(
|
|
TAG,
|
|
"MESSAGE STORED IN CHIP AT ADDRESS 0x%02X%02X%02X IS: %s",
|
|
read_memory_address[0],
|
|
read_memory_address[1],
|
|
read_memory_address[2],
|
|
data_response_str);
|
|
} else {
|
|
FURI_LOG_E(TAG, "FAILED - furi_hal_spi_bus_tx or furi_hal_spi_bus_rx failed.");
|
|
}
|
|
|
|
furi_hal_spi_release(spi);
|
|
}
|
|
|
|
void spi_demo_v2() {
|
|
furi_hal_spi_bus_handle_init(spi);
|
|
read_w25q32_spi_v2();
|
|
furi_hal_spi_bus_handle_deinit(spi);
|
|
}
|