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[FL-2084] I2C memory read/write (#951)

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* furi_hal_i2c: read/write registers
* remove i2c_acqure/release
* i2c_is_device_ready without reading data

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Nikolay Minaylov
2022-01-12 18:29:28 +03:00
committed by GitHub
parent 3fbb97ba29
commit a3aaf50ecd
4 changed files with 488 additions and 3 deletions
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5
applications/cli/cli_commands.c
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@@ -322,7 +322,6 @@ void cli_command_free_blocks(Cli* cli, string_t args, void* context) {
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"
"\r\n");
@@ -331,8 +330,8 @@ void cli_command_i2c(Cli* cli, string_t args, void* context) {
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) << 1, &test, 1, 2);
bool ret = furi_hal_i2c_is_device_ready(
&furi_hal_i2c_handle_external, ((row << 4) + column) << 1, 2);
printf("%c ", ret ? '#' : '-');
}
printf("\r\n");