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RPi SPI functionality and RPi fix for startWrite

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- Enabled use of hardware CS1 pin
- Removed custom_cs code for software driven CSN
- Modified BCM driver to allow use of hardware SPI pins not in use while
SPI is active.
- Updated constructor in examples
This commit is contained in:
TMRh20
2014-04-25 19:38:08 -06:00
parent cd8bb19dc3
commit 6530f954a1
10 changed files with 376 additions and 398 deletions
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RPi/RF24/examples/pingpair_dyn.cpp
+10 -10
View File
@@ -3,9 +3,9 @@
*/
/**
* Example using Dynamic Payloads
* Example using Dynamic Payloads
*
* This is an example of how to use payloads of a varying (dynamic) size.
* This is an example of how to use payloads of a varying (dynamic) size.
*/
#include <cstdlib>
@@ -22,14 +22,14 @@ using namespace std;
// CE Pin, CSN Pin, SPI Speed
// Setup for GPIO 22 CE and GPIO 25 CSN with SPI Speed @ 1Mhz
//RF24 radio(RPI_V2_GPIO_P1_22, RPI_V2_GPIO_P1_18, BCM2835_SPI_SPEED_1MHZ);
// Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 1Mhz
//RF24 radio(RPI_V2_GPIO_P1_22, RPI_V2_GPIO_P1_26, BCM2835_SPI_SPEED_1MHZ);
// Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
//RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);
//RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);
// Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 8Mhz
RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_26, BCM2835_SPI_SPEED_8MHZ);
// Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 8Mhz
RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
// Radio pipe addresses for the 2 nodes to communicate.
@@ -47,7 +47,7 @@ char receive_payload[max_payload_size+1]; // +1 to allow room for a terminating
int main(int argc, char** argv){
// Print preamble:
printf("RF24/examples/pingpair_dyn/\n");
@@ -65,7 +65,7 @@ int main(int argc, char** argv){
char myChar = {0};
cout << "Choose a role: Enter 0 for receiver, 1 for transmitter (CTRL+C to exit) \n>";
getline(cin,input);
if(input.length() == 1) {
myChar = input[0];
if(myChar == '0'){
@@ -129,7 +129,7 @@ if (role == role_ping_out)
// Spew it
printf("Got response size=%i value=%s\n\r",len,receive_payload);
}
// Update size for next time.
next_payload_size += payload_size_increments_by;
if ( next_payload_size > max_payload_size )