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Cli: add I2C scanning command (#860)

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* Cli: add I2C scanning command

* Cli: proper scanning limits in i2c command

* Cli: better output readability on i2c scan
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あく 2021-12-02 02:21:57 +03:00 committed by GitHub
parent 41b5d5f5c9
commit 0b0629e6fe
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 0 deletions
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21
applications/cli/cli_commands.c
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@ -461,6 +461,26 @@ void cli_command_free_blocks(Cli* cli, string_t args, void* context) {
memmgr_heap_printf_free_blocks();
}
void cli_command_i2c(Cli* cli, string_t args, void* context) {
furi_hal_i2c_acquire(&furi_hal_i2c_handle_external);
uint8_t test = 0;
printf("Scanning external i2c on PC0(SCL)/PC1(SDA)\r\n"
"Clock: 100khz, 7bit address\r\n"
"!!! Invasive mode (tx to device) !!!\r\n\r\n");
printf(" | 0 1 2 3 4 5 6 7 8 9 A B C D E F\r\n");
printf("--+--------------------------------\r\n");
for(uint8_t row = 0; row < 0x8; row++) {
printf("%x | ", row);
for(uint8_t column = 0; column <= 0xF; column++) {
bool ret =
furi_hal_i2c_rx(&furi_hal_i2c_handle_external, (row << 4) + column, &test, 1, 2);
printf("%c ", ret ? '#' : '-');
}
printf("\r\n");
}
furi_hal_i2c_release(&furi_hal_i2c_handle_external);
}
void cli_commands_init(Cli* cli) {
cli_add_command(cli, "!", CliCommandFlagParallelSafe, cli_command_device_info, NULL);
cli_add_command(cli, "device_info", CliCommandFlagParallelSafe, cli_command_device_info, NULL);
@ -477,4 +497,5 @@ void cli_commands_init(Cli* cli) {
cli_add_command(cli, "vibro", CliCommandFlagDefault, cli_command_vibro, NULL);
cli_add_command(cli, "led", CliCommandFlagDefault, cli_command_led, NULL);
cli_add_command(cli, "gpio_set", CliCommandFlagDefault, cli_command_gpio_set, NULL);
cli_add_command(cli, "i2c", CliCommandFlagDefault, cli_command_i2c, NULL);
}