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feature: implemented i2c dumping

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todo: spi, d28, d32 read & write, i2c write
todo: invalid state handling
This commit is contained in:
Derisis13
2022-12-12 17:20:24 +01:00
parent ac391abcb0
commit 4a76fac591
2 changed files with 38 additions and 0 deletions
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10
Core/Inc/main.h
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@@ -60,6 +60,16 @@ void Error_Handler(void);
/* USER CODE BEGIN EFP */
void i2c_dump(uint16_t dev_address, uint16_t capacity);
void spi_dump(uint16_t capacity);
void d28_dump(uint16_t capacity);
void d32_dump(uint16_t capacity);
void i2c_write(uint16_t dev_address, uint16_t capacity);
void spi_write(uint16_t capacity);
void d28_write(uint16_t capacity);
void d32_write(uint16_t capacity);
/* USER CODE END EFP */
/* Private defines -----------------------------------------------------------*/

28
Core/Src/main.c
View File

@@ -65,6 +65,33 @@ extern uint8_t CDC_Transmit_FS(uint8_t *Buf, uint16_t Len);
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* -----------------------------------------------------------------------------
* convert a hex to ascii string
* input is a byte array (binary), output is a character array (str)
* len is the number of bytes to convert, str needs to be at least 2x as big
* -------------------------------------------------------------------------- */
void hex_to_ascii (const uint8_t *binary, char *str, uint16_t len) {
for (uint16_t i = 0; i < len; ++i) {
uint8_t low = binary [i] & 0x0f;
uint8_t high = binary [i] >> 4;
str [2 * i] = (low > 0x9) ? low + '0' : low - 0xA + 'A';
str [2 * i + 1] = (high > 0x9) ? high + '0' : high - 0xA + 'A';
}
}
void i2c_dump(uint16_t dev_address, uint16_t capacity) {
const uint16_t bsize = 512;
char tx_buff [bsize * 2];
uint8_t read_buff [bsize];
for (uint16_t i = 0; i < capacity; i += bsize) {
HAL_I2C_Mem_Read(&hi2c1, dev_address, i, capacity, read_buff, bsize, 1000);
hex_to_ascii(read_buff, tx_buff, bsize);
CDC_Transmit_FS((uint8_t *) tx_buff, bsize * 2);
}
}
// todo spi, d28, d32 read & write, i2c write
/* USER CODE END 0 */
/**
@@ -110,6 +137,7 @@ int main(void)
switch (st) {
case read_i2c:
i2c_dump(i2c_address, limit_address);
st = run;
break;
case read_spi: