[Horus] SD Storage started. UI continued.
+ Some boyscout work on LCD functions
This commit is contained in:
Bertrand Songis
@@ -1,271 +0,0 @@
|
||||
#include "board_taranis.h"
|
||||
|
||||
void eepromPageWrite(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t NumByteToWrite);
|
||||
void eepromWaitEepromStandbyState(void);
|
||||
|
||||
void i2cInit()
|
||||
{
|
||||
I2C_DeInit(I2C);
|
||||
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
GPIO_InitStructure.GPIO_Pin = I2C_GPIO_PIN_WP;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
|
||||
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
|
||||
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
|
||||
GPIO_Init(I2C_GPIO, &GPIO_InitStructure);
|
||||
GPIO_ResetBits(I2C_GPIO, I2C_GPIO_PIN_WP);
|
||||
|
||||
I2C_InitTypeDef I2C_InitStructure;
|
||||
I2C_InitStructure.I2C_ClockSpeed = I2C_SPEED;
|
||||
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
|
||||
I2C_InitStructure.I2C_OwnAddress1 = 0x00;
|
||||
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
|
||||
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
|
||||
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
|
||||
I2C_Init(I2C, &I2C_InitStructure);
|
||||
I2C_Cmd(I2C, ENABLE);
|
||||
|
||||
GPIO_PinAFConfig(I2C_GPIO, I2C_GPIO_PinSource_SCL, I2C_GPIO_AF);
|
||||
GPIO_PinAFConfig(I2C_GPIO, I2C_GPIO_PinSource_SDA, I2C_GPIO_AF);
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = I2C_GPIO_PIN_SCL | I2C_GPIO_PIN_SDA;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
|
||||
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
|
||||
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
|
||||
GPIO_Init(I2C_GPIO, &GPIO_InitStructure);
|
||||
}
|
||||
|
||||
#define I2C_TIMEOUT_MAX 1000
|
||||
bool I2C_WaitEvent(uint32_t event)
|
||||
{
|
||||
uint32_t timeout = I2C_TIMEOUT_MAX;
|
||||
while (!I2C_CheckEvent(I2C, event)) {
|
||||
if ((timeout--) == 0) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool I2C_WaitEventCleared(uint32_t event)
|
||||
{
|
||||
uint32_t timeout = I2C_TIMEOUT_MAX;
|
||||
while (I2C_CheckEvent(I2C, event)) {
|
||||
if ((timeout--) == 0) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Reads a block of data from the EEPROM.
|
||||
* @param pBuffer : pointer to the buffer that receives the data read
|
||||
* from the EEPROM.
|
||||
* @param ReadAddr : EEPROM's internal address to read from.
|
||||
* @param NumByteToRead : number of bytes to read from the EEPROM.
|
||||
* @retval None
|
||||
*/
|
||||
bool I2C_EE_ReadBlock(uint8_t* pBuffer, uint16_t ReadAddr, uint16_t NumByteToRead)
|
||||
{
|
||||
if (!I2C_WaitEventCleared(I2C_FLAG_BUSY))
|
||||
return false;
|
||||
|
||||
I2C_GenerateSTART(I2C, ENABLE);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
|
||||
return false;
|
||||
|
||||
I2C_Send7bitAddress(I2C, I2C_ADDRESS_EEPROM, I2C_Direction_Transmitter);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
|
||||
return false;
|
||||
|
||||
I2C_SendData(I2C, (uint8_t)((ReadAddr & 0xFF00) >> 8));
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
|
||||
return false;
|
||||
I2C_SendData(I2C, (uint8_t)(ReadAddr & 0x00FF));
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED))
|
||||
return false;
|
||||
|
||||
I2C_GenerateSTART(I2C, ENABLE);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
|
||||
return false;
|
||||
|
||||
I2C_Send7bitAddress(I2C, I2C_ADDRESS_EEPROM, I2C_Direction_Receiver);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED))
|
||||
return false;
|
||||
|
||||
if (NumByteToRead > 1) {
|
||||
I2C_AcknowledgeConfig(I2C, ENABLE);
|
||||
}
|
||||
|
||||
while (NumByteToRead) {
|
||||
if (NumByteToRead == 1) {
|
||||
I2C_AcknowledgeConfig(I2C, DISABLE);
|
||||
}
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_RECEIVED))
|
||||
return false;
|
||||
*pBuffer++ = I2C_ReceiveData(I2C);
|
||||
NumByteToRead--;
|
||||
}
|
||||
|
||||
I2C_GenerateSTOP(I2C, ENABLE);
|
||||
return true;
|
||||
}
|
||||
|
||||
void eepromReadBlock(uint8_t* pBuffer, uint32_t ReadAddr, uint32_t NumByteToRead)
|
||||
{
|
||||
while (!I2C_EE_ReadBlock(pBuffer, ReadAddr, NumByteToRead)) {
|
||||
i2cInit();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Writes buffer of data to the I2C EEPROM.
|
||||
* @param pBuffer : pointer to the buffer containing the data to be
|
||||
* written to the EEPROM.
|
||||
* @param WriteAddr : EEPROM's internal address to write to.
|
||||
* @param NumByteToWrite : number of bytes to write to the EEPROM.
|
||||
* @retval None
|
||||
*/
|
||||
void eepromWriteBlock(uint8_t* pBuffer, uint32_t WriteAddr, uint32_t NumByteToWrite)
|
||||
{
|
||||
uint8_t offset = WriteAddr % I2C_FLASH_PAGESIZE;
|
||||
uint8_t count = I2C_FLASH_PAGESIZE - offset;
|
||||
if (NumByteToWrite < count) {
|
||||
count = NumByteToWrite;
|
||||
}
|
||||
while (count > 0) {
|
||||
eepromPageWrite(pBuffer, WriteAddr, count);
|
||||
eepromWaitEepromStandbyState();
|
||||
WriteAddr += count;
|
||||
pBuffer += count;
|
||||
NumByteToWrite -= count;
|
||||
count = I2C_FLASH_PAGESIZE;
|
||||
if (NumByteToWrite < I2C_FLASH_PAGESIZE) {
|
||||
count = NumByteToWrite;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Writes more than one byte to the EEPROM with a single WRITE cycle.
|
||||
* @note The number of byte can't exceed the EEPROM page size.
|
||||
* @param pBuffer : pointer to the buffer containing the data to be
|
||||
* written to the EEPROM.
|
||||
* @param WriteAddr : EEPROM's internal address to write to.
|
||||
* @param NumByteToWrite : number of bytes to write to the EEPROM.
|
||||
* @retval None
|
||||
*/
|
||||
bool I2C_EE_PageWrite(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t NumByteToWrite)
|
||||
{
|
||||
if (!I2C_WaitEventCleared(I2C_FLAG_BUSY))
|
||||
return false;
|
||||
|
||||
I2C_GenerateSTART(I2C, ENABLE);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
|
||||
return false;
|
||||
|
||||
I2C_Send7bitAddress(I2C, I2C_ADDRESS_EEPROM, I2C_Direction_Transmitter);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
|
||||
return false;
|
||||
|
||||
I2C_SendData(I2C, (uint8_t)((WriteAddr & 0xFF00) >> 8));
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
|
||||
return false;
|
||||
I2C_SendData(I2C, (uint8_t)(WriteAddr & 0x00FF));
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
|
||||
return false;
|
||||
|
||||
/* While there is data to be written */
|
||||
while (NumByteToWrite--) {
|
||||
I2C_SendData(I2C, *pBuffer);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
|
||||
return false;
|
||||
pBuffer++;
|
||||
}
|
||||
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED))
|
||||
return false;
|
||||
|
||||
I2C_GenerateSTOP(I2C, ENABLE);
|
||||
return true;
|
||||
}
|
||||
|
||||
void eepromPageWrite(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t NumByteToWrite)
|
||||
{
|
||||
while (!I2C_EE_PageWrite(pBuffer, WriteAddr, NumByteToWrite)) {
|
||||
i2cInit();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Wait for EEPROM Standby state
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
bool I2C_EE_WaitEepromStandbyState(void)
|
||||
{
|
||||
do {
|
||||
I2C_GenerateSTART(I2C, ENABLE);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
|
||||
return false;
|
||||
|
||||
I2C_Send7bitAddress(I2C, I2C_ADDRESS_EEPROM, I2C_Direction_Transmitter);
|
||||
} while (!I2C_WaitEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
|
||||
|
||||
I2C_GenerateSTOP(I2C, ENABLE);
|
||||
return true;
|
||||
}
|
||||
|
||||
void eepromWaitEepromStandbyState(void)
|
||||
{
|
||||
while (!I2C_EE_WaitEepromStandbyState()) {
|
||||
i2cInit();
|
||||
}
|
||||
}
|
||||
|
||||
#if !defined(BOOT)
|
||||
void setVolume(uint8_t volume)
|
||||
{
|
||||
if (volume > VOLUME_LEVEL_MAX) {
|
||||
volume = VOLUME_LEVEL_MAX;
|
||||
}
|
||||
|
||||
if (!I2C_WaitEventCleared(I2C_FLAG_BUSY))
|
||||
return;
|
||||
|
||||
I2C_GenerateSTART(I2C, ENABLE);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
|
||||
return;
|
||||
|
||||
I2C_Send7bitAddress(I2C, I2C_ADDRESS_CAT5137, I2C_Direction_Transmitter);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
|
||||
return;
|
||||
|
||||
I2C_SendData(I2C, 0);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
|
||||
return;
|
||||
I2C_SendData(I2C, volumeScale[volume]);
|
||||
if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED))
|
||||
return;
|
||||
|
||||
I2C_GenerateSTOP(I2C, ENABLE);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
uint8_t I2C_read_volume()
|
||||
{
|
||||
uint8_t volume ;
|
||||
I2C_START();
|
||||
I2C_SEND_DATA(I2C_ADDRESS_CAT5137|EE_CMD_WRITE);
|
||||
I2C_WAIT_ACK();
|
||||
I2C_SEND_DATA(0);
|
||||
I2C_WAIT_ACK();
|
||||
I2C_START();
|
||||
I2C_SEND_DATA(I2C_ADDRESS_CAT5137|EE_CMD_READ);
|
||||
I2C_WAIT_ACK();
|
||||
volume = I2C_READ();
|
||||
I2C_NO_ACK();
|
||||
I2C_STOP();
|
||||
return volume ;
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user