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Dependents: Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more
Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Last commit 20 Feb 2019 by 
mbed official
Revision 190:bde2479eef9e, committed 2014-05-15
- Comitter:
- mbed_official
- Date:
- Thu May 15 13:45:07 2014 +0100
- Parent:
- 189:4502ef52f909
- Child:
- 191:69dccf9d09a7
- Commit message:
- Synchronized with git revision 6bc9b93a40580f033430e21cbdc4a637c9f98523
Full URL: https://github.com/mbedmicro/mbed/commit/6bc9b93a40580f033430e21cbdc4a637c9f98523/
Changed in this revision
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/device.h Wed May 14 14:00:07 2014 +0100 +++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/device.h Thu May 15 13:45:07 2014 +0100 @@ -42,10 +42,10 @@ #define DEVICE_SERIAL 1 #define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 0 // Not yet supported +#define DEVICE_I2CSLAVE 1 #define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 0 // Not yet supported +#define DEVICE_SPISLAVE 1 #define DEVICE_RTC 1
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/i2c_api.c Wed May 14 14:00:07 2014 +0100
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/i2c_api.c Thu May 15 13:45:07 2014 +0100
@@ -313,7 +313,44 @@
#define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
int i2c_slave_receive(i2c_t *obj) {
- return (0);
+ int retValue = NoData;
+ uint32_t event;
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+
+ event = I2C_GetLastEvent( i2c );
+ if(event != 0)
+ {
+ switch(event){
+ case I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED:
+ retValue = WriteAddressed;
+ break;
+ case I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED:
+ retValue = ReadAddressed;
+ break;
+ case I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED:
+ retValue = WriteGeneral;
+ break;
+ default:
+ retValue = NoData;
+ break;
+ }
+
+ // clear ADDR
+ if((retValue == WriteAddressed) || (retValue == ReadAddressed)){
+ i2c->SR1;// read status register 1
+ i2c->SR2;// read status register 2
+ }
+ // clear stopf
+ if(I2C_GetFlagStatus(i2c, I2C_FLAG_STOPF) == SET) {
+ i2c->SR1;// read status register 1
+ I2C_Cmd(i2c, ENABLE);
+ }
+ // clear AF
+ if(I2C_GetFlagStatus(i2c, I2C_FLAG_AF) == SET) {
+ I2C_ClearFlag(i2c, I2C_FLAG_AF);
+ }
+ }
+ return(retValue);
}
int i2c_slave_read(i2c_t *obj, char *data, int length) {
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/spi_api.c Wed May 14 14:00:07 2014 +0100
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/spi_api.c Thu May 15 13:45:07 2014 +0100
@@ -138,7 +138,7 @@
} else { // Slave
pinmap_pinout(ssel, PinMap_SPI_SSEL);
obj->mode = SPI_Mode_Slave;
- obj->nss = SPI_NSS_Soft;
+ obj->nss = SPI_NSS_Hard;
}
init_spi(obj);
@@ -270,7 +270,8 @@
}
int spi_slave_receive(spi_t *obj) {
- return (ssp_readable(obj) && !ssp_busy(obj)) ? (1) : (0);
+ //return (ssp_readable(obj) && !ssp_busy(obj)) ? (1) : (0); // initial code
+ return (ssp_readable(obj)) ? (1) : (0); // works better like this
};
int spi_slave_read(spi_t *obj) {
